Merge branch 'master' of github.com:redpony/cdec

6 files changed, 8581 insertions, 7923 deletions

diff --git a/python/src/sa/_cdec_sa.c b/python/src/sa/_sa.c
index 5bd9b28c..b7f3627a 100644
--- a/python/src/sa/_cdec_sa.c
+++ b/python/src/sa/_sa.c
@@ -1,4 +1,4 @@
-/* Generated by Cython 0.16 on Fri Jul 27 00:18:44 2012 */
+/* Generated by Cython 0.17.beta1 on Fri Jul 27 23:31:04 2012 */
 
 #define PY_SSIZE_T_CLEAN
 #include "Python.h"
@@ -47,12 +47,6 @@
 #define CYTHON_COMPILING_IN_CPYTHON 1
 #endif
 
-#if CYTHON_COMPILING_IN_PYPY
-  #define __Pyx_PyCFunction_Call PyObject_Call
-#else
-  #define __Pyx_PyCFunction_Call PyCFunction_Call
-#endif
-
 #if PY_VERSION_HEX < 0x02050000
   typedef int Py_ssize_t;
   #define PY_SSIZE_T_MAX INT_MAX
@@ -60,8 +54,11 @@
   #define PY_FORMAT_SIZE_T ""
   #define PyInt_FromSsize_t(z) PyInt_FromLong(z)
   #define PyInt_AsSsize_t(o)   __Pyx_PyInt_AsInt(o)
-  #define PyNumber_Index(o)    PyNumber_Int(o)
-  #define PyIndex_Check(o)     PyNumber_Check(o)
+  #define PyNumber_Index(o)    ((PyNumber_Check(o) && !PyFloat_Check(o)) ? PyNumber_Int(o) : \
+                                (PyErr_Format(PyExc_TypeError, \
+                                              "expected index value, got %.200s", Py_TYPE(o)->tp_name), \
+                                 (PyObject*)0))
+  #define PyIndex_Check(o)     (PyNumber_Check(o) && !PyFloat_Check(o) && !PyComplex_Check(o))
   #define PyErr_WarnEx(category, message, stacklevel) PyErr_Warn(category, message)
   #define __PYX_BUILD_PY_SSIZE_T "i"
 #else
@@ -130,14 +127,20 @@
 #endif
 
 
-#if PY_VERSION_HEX > 0x03030000 && defined(PyUnicode_GET_LENGTH)
+#if PY_VERSION_HEX > 0x03030000 && defined(PyUnicode_KIND)
   #define CYTHON_PEP393_ENABLED 1
-  #define __Pyx_PyUnicode_GET_LENGTH(u) PyUnicode_GET_LENGTH(u)
+  #define __Pyx_PyUnicode_READY(op)       (likely(PyUnicode_IS_READY(op)) ? \
+                                              0 : _PyUnicode_Ready((PyObject *)(op)))
+  #define __Pyx_PyUnicode_GET_LENGTH(u)   PyUnicode_GET_LENGTH(u)
   #define __Pyx_PyUnicode_READ_CHAR(u, i) PyUnicode_READ_CHAR(u, i)
+  #define __Pyx_PyUnicode_READ(k, d, i)   PyUnicode_READ(k, d, i)
 #else
   #define CYTHON_PEP393_ENABLED 0
-  #define __Pyx_PyUnicode_GET_LENGTH(u) PyUnicode_GET_SIZE(u)
+  #define __Pyx_PyUnicode_READY(op)       (0)
+  #define __Pyx_PyUnicode_GET_LENGTH(u)   PyUnicode_GET_SIZE(u)
   #define __Pyx_PyUnicode_READ_CHAR(u, i) ((Py_UCS4)(PyUnicode_AS_UNICODE(u)[i]))
+
+  #define __Pyx_PyUnicode_READ(k, d, i)   ((k=k), (Py_UCS4)(((Py_UNICODE*)d)[i]))
 #endif
 
 #if PY_MAJOR_VERSION >= 3
@@ -268,8 +271,8 @@
 #define _USE_MATH_DEFINES
 #endif
 #include <math.h>
-#define __PYX_HAVE___cdec_sa
-#define __PYX_HAVE_API___cdec_sa
+#define __PYX_HAVE___sa
+#define __PYX_HAVE_API___sa
 #include "stdio.h"
 #include "stdlib.h"
 #include "string.h"
@@ -329,7 +332,11 @@ static CYTHON_INLINE Py_ssize_t __Pyx_PyIndex_AsSsize_t(PyObject*);
 static CYTHON_INLINE PyObject * __Pyx_PyInt_FromSize_t(size_t);
 static CYTHON_INLINE size_t __Pyx_PyInt_AsSize_t(PyObject*);
 
+#if CYTHON_COMPILING_IN_CPYTHON
 #define __pyx_PyFloat_AsDouble(x) (PyFloat_CheckExact(x) ? PyFloat_AS_DOUBLE(x) : PyFloat_AsDouble(x))
+#else
+#define __pyx_PyFloat_AsDouble(x) PyFloat_AsDouble(x)
+#endif
 #define __pyx_PyFloat_AsFloat(x) ((float) __pyx_PyFloat_AsDouble(x))
 
 #ifdef __GNUC__
@@ -357,7 +364,7 @@ static const char *__pyx_filename;
 
 
 static const char *__pyx_f[] = {
-  "_cdec_sa.pyx",
+  "_sa.pyx",
   "float_list.pxi",
   "int_list.pxi",
   "data_array.pxi",
@@ -368,44 +375,46 @@ static const char *__pyx_f[] = {
   "rulefactory.pxi",
   "lcp.pxi",
   "sym.pxi",
+  "_sa.pxd",
   "precomputation.pxi",
   "suffix_array.pxi",
   "str_map.pxi",
 };
 
 /*--- Type declarations ---*/
-struct __pyx_obj_8_cdec_sa_VEB;
-struct __pyx_obj_8_cdec_sa_Sampler;
-struct __pyx_obj_8_cdec_sa_BitSet;
-struct __pyx_obj_8_cdec_sa_DataArray;
-struct __pyx_obj_8_cdec_sa_TrieNode;
-struct __pyx_obj_8_cdec_sa_VEBIterator;
-struct __pyx_obj_8_cdec_sa_BitSetIterator;
-struct __pyx_obj_8_cdec_sa_Phrase;
-struct __pyx_obj_8_cdec_sa_IntList;
-struct __pyx_obj_8_cdec_sa_ExtendedTrieNode;
-struct __pyx_obj_8_cdec_sa_PhraseLocation;
-struct __pyx_obj_8_cdec_sa_Rule;
-struct __pyx_obj_8_cdec_sa_LCP;
-struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory;
-struct __pyx_obj_8_cdec_sa___pyx_scope_struct__compute_stats;
-struct __pyx_obj_8_cdec_sa_BiLex;
-struct __pyx_obj_8_cdec_sa_SuffixArray;
-struct __pyx_obj_8_cdec_sa_StringMap;
-struct __pyx_obj_8_cdec_sa_TrieMap;
-struct __pyx_obj_8_cdec_sa_Alphabet;
-struct __pyx_obj_8_cdec_sa_Alignment;
-struct __pyx_obj_8_cdec_sa___pyx_scope_struct_1_input;
-struct __pyx_obj_8_cdec_sa_Precomputation;
-struct __pyx_obj_8_cdec_sa_FloatList;
-struct __pyx_obj_8_cdec_sa_TrieTable;
-struct __pyx_t_8_cdec_sa__node;
-struct __pyx_t_8_cdec_sa__BitSet;
-struct __pyx_t_8_cdec_sa__VEB;
-struct __pyx_t_8_cdec_sa__Trie_Edge;
-struct __pyx_t_8_cdec_sa__Trie_Node;
-struct __pyx_t_8_cdec_sa_match_node;
-struct __pyx_t_8_cdec_sa_Matching;
+struct __pyx_obj_3_sa_HieroCachingRuleFactory;
+struct __pyx_obj_3_sa_IntList;
+struct __pyx_obj_3_sa_VEBIterator;
+struct __pyx_obj_3_sa_BiLex;
+struct __pyx_obj_3_sa_VEB;
+struct __pyx_obj_3_sa_LCP;
+struct __pyx_obj_3_sa_DataArray;
+struct __pyx_obj_3_sa_BitSetIterator;
+struct __pyx_obj_3_sa_Precomputation;
+struct __pyx_obj_3_sa_SuffixArray;
+struct __pyx_obj_3_sa_Alphabet;
+struct __pyx_obj_3_sa_Rule;
+struct __pyx_obj_3_sa_PhraseLocation;
+struct __pyx_obj_3_sa___pyx_scope_struct__compute_stats;
+struct __pyx_obj_3_sa___pyx_scope_struct_2_input;
+struct __pyx_obj_3_sa_Alignment;
+struct __pyx_obj_3_sa_BitSet;
+struct __pyx_obj_3_sa_Sampler;
+struct __pyx_obj_3_sa_StringMap;
+struct __pyx_obj_3_sa___pyx_scope_struct_1___iter__;
+struct __pyx_obj_3_sa_TrieNode;
+struct __pyx_obj_3_sa_ExtendedTrieNode;
+struct __pyx_obj_3_sa_TrieMap;
+struct __pyx_obj_3_sa_Phrase;
+struct __pyx_obj_3_sa_TrieTable;
+struct __pyx_obj_3_sa_FloatList;
+struct __pyx_t_3_sa__node;
+struct __pyx_t_3_sa__BitSet;
+struct __pyx_t_3_sa__VEB;
+struct __pyx_t_3_sa__Trie_Edge;
+struct __pyx_t_3_sa__Trie_Node;
+struct __pyx_t_3_sa_match_node;
+struct __pyx_t_3_sa_Matching;
 
 /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":9
  * from libc.string cimport memset, strcpy, strlen
@@ -414,9 +423,9 @@ struct __pyx_t_8_cdec_sa_Matching;
  *     _node* smaller
  *     _node* bigger
  */
-struct __pyx_t_8_cdec_sa__node {
-  struct __pyx_t_8_cdec_sa__node *smaller;
-  struct __pyx_t_8_cdec_sa__node *bigger;
+struct __pyx_t_3_sa__node {
+  struct __pyx_t_3_sa__node *smaller;
+  struct __pyx_t_3_sa__node *bigger;
   int key;
   int val;
 };
@@ -428,7 +437,7 @@ struct __pyx_t_8_cdec_sa__node {
  *     long bitset
  *     int min_val
  */
-struct __pyx_t_8_cdec_sa__BitSet {
+struct __pyx_t_3_sa__BitSet {
   long bitset;
   int min_val;
   int max_val;
@@ -442,7 +451,7 @@ struct __pyx_t_8_cdec_sa__BitSet {
  *     int top_universe_size
  *     int num_bottom_bits
  */
-struct __pyx_t_8_cdec_sa__VEB {
+struct __pyx_t_3_sa__VEB {
   int top_universe_size;
   int num_bottom_bits;
   int max_val;
@@ -459,11 +468,11 @@ struct __pyx_t_8_cdec_sa__VEB {
  *     int val
  *     _Trie_Node* node
  */
-struct __pyx_t_8_cdec_sa__Trie_Edge {
+struct __pyx_t_3_sa__Trie_Edge {
   int val;
-  struct __pyx_t_8_cdec_sa__Trie_Node *node;
-  struct __pyx_t_8_cdec_sa__Trie_Edge *bigger;
-  struct __pyx_t_8_cdec_sa__Trie_Edge *smaller;
+  struct __pyx_t_3_sa__Trie_Node *node;
+  struct __pyx_t_3_sa__Trie_Edge *bigger;
+  struct __pyx_t_3_sa__Trie_Edge *smaller;
 };
 
 /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":8
@@ -473,8 +482,8 @@ struct __pyx_t_8_cdec_sa__Trie_Edge {
  * 
  * cdef struct _Trie_Edge:
  */
-struct __pyx_t_8_cdec_sa__Trie_Node {
-  struct __pyx_t_8_cdec_sa__Trie_Edge *root;
+struct __pyx_t_3_sa__Trie_Node {
+  struct __pyx_t_3_sa__Trie_Edge *root;
   int *arr;
   int arr_len;
 };
@@ -486,9 +495,9 @@ struct __pyx_t_8_cdec_sa__Trie_Node {
  *     int* match
  *     match_node* next
  */
-struct __pyx_t_8_cdec_sa_match_node {
+struct __pyx_t_3_sa_match_node {
   int *match;
-  struct __pyx_t_8_cdec_sa_match_node *next;
+  struct __pyx_t_3_sa_match_node *next;
 };
 
 /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":145
@@ -498,7 +507,7 @@ struct __pyx_t_8_cdec_sa_match_node {
  *     int* arr
  *     int start
  */
-struct __pyx_t_8_cdec_sa_Matching {
+struct __pyx_t_3_sa_Matching {
   int *arr;
   int start;
   int end;
@@ -506,90 +515,150 @@ struct __pyx_t_8_cdec_sa_Matching {
   int size;
 };
 
-/* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":354
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":201
  * 
  * 
- * cdef class VEB:             # <<<<<<<<<<<<<<
- *     cdef _VEB* veb
- *     cdef int _findsucc(self, int i)
+ * cdef class HieroCachingRuleFactory:             # <<<<<<<<<<<<<<
+ *     '''This RuleFactory implements a caching
+ *     method using TrieTable, which makes phrase
  */
-struct __pyx_obj_8_cdec_sa_VEB {
+struct __pyx_obj_3_sa_HieroCachingRuleFactory {
   PyObject_HEAD
-  struct __pyx_vtabstruct_8_cdec_sa_VEB *__pyx_vtab;
-  struct __pyx_t_8_cdec_sa__VEB *veb;
+  struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *__pyx_vtab;
+  struct __pyx_obj_3_sa_TrieTable *rules;
+  struct __pyx_obj_3_sa_Sampler *sampler;
+  int max_chunks;
+  int max_target_chunks;
+  int max_length;
+  int max_target_length;
+  int max_nonterminals;
+  int max_initial_size;
+  int train_max_initial_size;
+  int min_gap_size;
+  int train_min_gap_size;
+  int category;
+  PyObject *precomputed_index;
+  PyObject *precomputed_collocations;
+  PyObject *precompute_file;
+  PyObject *max_rank;
+  int precompute_rank;
+  int precompute_secondary_rank;
+  int use_baeza_yates;
+  int use_index;
+  int use_collocations;
+  float by_slack_factor;
+  PyObject *prev_norm_prefix;
+  float extract_time;
+  struct __pyx_obj_3_sa_SuffixArray *fsa;
+  struct __pyx_obj_3_sa_DataArray *fda;
+  struct __pyx_obj_3_sa_DataArray *eda;
+  struct __pyx_obj_3_sa_Alignment *alignment;
+  struct __pyx_obj_3_sa_IntList *eid2symid;
+  struct __pyx_obj_3_sa_IntList *fid2symid;
+  int tight_phrases;
+  int require_aligned_terminal;
+  int require_aligned_chunks;
+  struct __pyx_obj_3_sa_IntList *findexes;
+  struct __pyx_obj_3_sa_IntList *findexes1;
 };
 
 
-/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":79
- * 
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/int_list.pxi":9
+ * from libc.string cimport memset, memcpy
  * 
- * cdef class Sampler:             # <<<<<<<<<<<<<<
- *     '''A Sampler implements a logic for choosing
- *     samples from a population range'''
+ * cdef class IntList:             # <<<<<<<<<<<<<<
+ *     cdef int size
+ *     cdef int increment
  */
-struct __pyx_obj_8_cdec_sa_Sampler {
+struct __pyx_obj_3_sa_IntList {
   PyObject_HEAD
-  int sample_size;
-  struct __pyx_obj_8_cdec_sa_IntList *sa;
+  struct __pyx_vtabstruct_3_sa_IntList *__pyx_vtab;
+  int size;
+  int increment;
+  int len;
+  int *arr;
 };
 
 
-/* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":118
- * # (entirely C-implemented) _BitSet struct.
- * # Very slow; use only for debugging
- * cdef class BitSet:             # <<<<<<<<<<<<<<
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":340
  * 
- *     cdef _BitSet* b
+ * 
+ * cdef class VEBIterator:             # <<<<<<<<<<<<<<
+ *     cdef _VEB* v
+ *     cdef int next_val
  */
-struct __pyx_obj_8_cdec_sa_BitSet {
+struct __pyx_obj_3_sa_VEBIterator {
   PyObject_HEAD
-  struct __pyx_t_8_cdec_sa__BitSet *b;
+  struct __pyx_t_3_sa__VEB *v;
+  int next_val;
 };
 
 
-/* "/Users/vchahun/Sandbox/cdec/python/src/sa/data_array.pxi":9
- * from libc.string cimport memset, strcpy, strlen
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":47
  * 
- * cdef class DataArray:             # <<<<<<<<<<<<<<
- *     cdef word2id
- *     cdef id2word
+ * 
+ * cdef class BiLex:             # <<<<<<<<<<<<<<
+ *     cdef FloatList col1
+ *     cdef FloatList col2
  */
-struct __pyx_obj_8_cdec_sa_DataArray {
+struct __pyx_obj_3_sa_BiLex {
   PyObject_HEAD
-  struct __pyx_vtabstruct_8_cdec_sa_DataArray *__pyx_vtab;
-  PyObject *word2id;
-  PyObject *id2word;
-  struct __pyx_obj_8_cdec_sa_IntList *data;
-  struct __pyx_obj_8_cdec_sa_IntList *sent_id;
-  struct __pyx_obj_8_cdec_sa_IntList *sent_index;
-  int use_sent_id;
+  struct __pyx_vtabstruct_3_sa_BiLex *__pyx_vtab;
+  struct __pyx_obj_3_sa_FloatList *col1;
+  struct __pyx_obj_3_sa_FloatList *col2;
+  struct __pyx_obj_3_sa_IntList *f_index;
+  struct __pyx_obj_3_sa_IntList *e_index;
+  PyObject *id2eword;
+  PyObject *id2fword;
+  PyObject *eword2id;
+  PyObject *fword2id;
 };
 
 
-/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":18
- * cdef int EPSILON = sym_fromstring('*EPS*', True)
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":354
  * 
- * cdef class TrieNode:             # <<<<<<<<<<<<<<
- *     cdef public children
  * 
+ * cdef class VEB:             # <<<<<<<<<<<<<<
+ *     cdef _VEB* veb
+ *     cdef int _findsucc(self, int i)
  */
-struct __pyx_obj_8_cdec_sa_TrieNode {
+struct __pyx_obj_3_sa_VEB {
   PyObject_HEAD
-  PyObject *children;
+  struct __pyx_vtabstruct_3_sa_VEB *__pyx_vtab;
+  struct __pyx_t_3_sa__VEB *veb;
 };
 
 
-/* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":340
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/lcp.pxi":5
+ * as k most frequent n-grams"""
  * 
+ * cdef class LCP:             # <<<<<<<<<<<<<<
+ *     cdef SuffixArray sa
+ *     cdef IntList lcp
+ */
+struct __pyx_obj_3_sa_LCP {
+  PyObject_HEAD
+  struct __pyx_obj_3_sa_SuffixArray *sa;
+  struct __pyx_obj_3_sa_IntList *lcp;
+};
+
+
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/data_array.pxi":9
+ * from libc.string cimport memset, strcpy, strlen
  * 
- * cdef class VEBIterator:             # <<<<<<<<<<<<<<
- *     cdef _VEB* v
- *     cdef int next_val
+ * cdef class DataArray:             # <<<<<<<<<<<<<<
+ *     cdef word2id
+ *     cdef id2word
  */
-struct __pyx_obj_8_cdec_sa_VEBIterator {
+struct __pyx_obj_3_sa_DataArray {
   PyObject_HEAD
-  struct __pyx_t_8_cdec_sa__VEB *v;
-  int next_val;
+  struct __pyx_vtabstruct_3_sa_DataArray *__pyx_vtab;
+  PyObject *word2id;
+  PyObject *id2word;
+  struct __pyx_obj_3_sa_IntList *data;
+  struct __pyx_obj_3_sa_IntList *sent_id;
+  struct __pyx_obj_3_sa_IntList *sent_index;
+  int use_sent_id;
 };
 
 
@@ -600,59 +669,75 @@ struct __pyx_obj_8_cdec_sa_VEBIterator {
  *     cdef _BitSet* b
  *     cdef int next_val
  */
-struct __pyx_obj_8_cdec_sa_BitSetIterator {
+struct __pyx_obj_3_sa_BitSetIterator {
   PyObject_HEAD
-  struct __pyx_t_8_cdec_sa__BitSet *b;
+  struct __pyx_t_3_sa__BitSet *b;
   int next_val;
 };
 
 
-/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":4
- * from libc.string cimport strsep, strcpy, strlen
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":188
  * 
- * cdef class Phrase:             # <<<<<<<<<<<<<<
- *     cdef int *syms
- *     cdef int n, *varpos, n_vars
+ * 
+ * cdef class Precomputation:             # <<<<<<<<<<<<<<
+ *     cdef int precompute_rank
+ *     cdef int precompute_secondary_rank
  */
-struct __pyx_obj_8_cdec_sa_Phrase {
+struct __pyx_obj_3_sa_Precomputation {
   PyObject_HEAD
-  struct __pyx_vtabstruct_8_cdec_sa_Phrase *__pyx_vtab;
-  int *syms;
-  int n;
-  int *varpos;
-  int n_vars;
+  struct __pyx_vtabstruct_3_sa_Precomputation *__pyx_vtab;
+  int precompute_rank;
+  int precompute_secondary_rank;
+  int max_length;
+  int max_nonterminals;
+  int train_max_initial_size;
+  int train_min_gap_size;
+  PyObject *precomputed_index;
+  PyObject *precomputed_collocations;
 };
 
 
-/* "/Users/vchahun/Sandbox/cdec/python/src/sa/int_list.pxi":9
- * from libc.string cimport memset, memcpy
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":6
+ * from libc.stdio cimport FILE, fclose, fopen
  * 
- * cdef class IntList:             # <<<<<<<<<<<<<<
- *     cdef int size
- *     cdef int increment
+ * cdef class SuffixArray:             # <<<<<<<<<<<<<<
+ *     cdef DataArray darray
+ *     cdef IntList sa
  */
-struct __pyx_obj_8_cdec_sa_IntList {
+struct __pyx_obj_3_sa_SuffixArray {
   PyObject_HEAD
-  struct __pyx_vtabstruct_8_cdec_sa_IntList *__pyx_vtab;
-  int size;
-  int increment;
-  int len;
-  int *arr;
+  struct __pyx_vtabstruct_3_sa_SuffixArray *__pyx_vtab;
+  struct __pyx_obj_3_sa_DataArray *darray;
+  struct __pyx_obj_3_sa_IntList *sa;
+  struct __pyx_obj_3_sa_IntList *ha;
 };
 
 
-/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":24
- *         self.children = {}
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":7
+ * cdef int INDEX_MASK = (1<<INDEX_SHIFT)-1
  * 
- * cdef class ExtendedTrieNode(TrieNode):             # <<<<<<<<<<<<<<
- *     cdef public phrase
- *     cdef public phrase_location
+ * cdef class Alphabet:             # <<<<<<<<<<<<<<
+ *     cdef readonly StringMap terminals, nonterminals
+ *     cdef int first_nonterminal, last_nonterminal
  */
-struct __pyx_obj_8_cdec_sa_ExtendedTrieNode {
-  struct __pyx_obj_8_cdec_sa_TrieNode __pyx_base;
-  PyObject *phrase;
-  PyObject *phrase_location;
-  PyObject *suffix_link;
+struct __pyx_obj_3_sa_Alphabet {
+  PyObject_HEAD
+  struct __pyx_vtabstruct_3_sa_Alphabet *__pyx_vtab;
+  struct __pyx_obj_3_sa_StringMap *terminals;
+  struct __pyx_obj_3_sa_StringMap *nonterminals;
+  int first_nonterminal;
+  int last_nonterminal;
+  PyObject *id2sym;
+};
+
+struct __pyx_obj_3_sa_Rule {
+  PyObject_HEAD
+  int lhs;
+  struct __pyx_obj_3_sa_Phrase *f;
+  struct __pyx_obj_3_sa_Phrase *e;
+  float *cscores;
+  int n_scores;
+  PyObject *word_alignments;
 };
 
 
@@ -663,98 +748,18 @@ struct __pyx_obj_8_cdec_sa_ExtendedTrieNode {
  *     cdef int sa_low
  *     cdef int sa_high
  */
-struct __pyx_obj_8_cdec_sa_PhraseLocation {
+struct __pyx_obj_3_sa_PhraseLocation {
   PyObject_HEAD
-  struct __pyx_vtabstruct_8_cdec_sa_PhraseLocation *__pyx_vtab;
+  struct __pyx_vtabstruct_3_sa_PhraseLocation *__pyx_vtab;
   int sa_low;
   int sa_high;
   int arr_low;
   int arr_high;
-  struct __pyx_obj_8_cdec_sa_IntList *arr;
+  struct __pyx_obj_3_sa_IntList *arr;
   int num_subpatterns;
 };
 
 
-/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":159
- *         return start
- * 
- * cdef class Rule:             # <<<<<<<<<<<<<<
- *     cdef public int lhs
- *     cdef readonly Phrase f, e
- */
-struct __pyx_obj_8_cdec_sa_Rule {
-  PyObject_HEAD
-  int lhs;
-  struct __pyx_obj_8_cdec_sa_Phrase *f;
-  struct __pyx_obj_8_cdec_sa_Phrase *e;
-  float *cscores;
-  int n_scores;
-  PyObject *word_alignments;
-};
-
-
-/* "/Users/vchahun/Sandbox/cdec/python/src/sa/lcp.pxi":5
- * as k most frequent n-grams"""
- * 
- * cdef class LCP:             # <<<<<<<<<<<<<<
- *     cdef SuffixArray sa
- *     cdef IntList lcp
- */
-struct __pyx_obj_8_cdec_sa_LCP {
-  PyObject_HEAD
-  struct __pyx_obj_8_cdec_sa_SuffixArray *sa;
-  struct __pyx_obj_8_cdec_sa_IntList *lcp;
-};
-
-
-/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":201
- * 
- * 
- * cdef class HieroCachingRuleFactory:             # <<<<<<<<<<<<<<
- *     '''This RuleFactory implements a caching
- *     method using TrieTable, which makes phrase
- */
-struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory {
-  PyObject_HEAD
-  struct __pyx_vtabstruct_8_cdec_sa_HieroCachingRuleFactory *__pyx_vtab;
-  struct __pyx_obj_8_cdec_sa_TrieTable *rules;
-  struct __pyx_obj_8_cdec_sa_Sampler *sampler;
-  int max_chunks;
-  int max_target_chunks;
-  int max_length;
-  int max_target_length;
-  int max_nonterminals;
-  int max_initial_size;
-  int train_max_initial_size;
-  int min_gap_size;
-  int train_min_gap_size;
-  int category;
-  PyObject *precomputed_index;
-  PyObject *precomputed_collocations;
-  PyObject *precompute_file;
-  PyObject *max_rank;
-  int precompute_rank;
-  int precompute_secondary_rank;
-  int use_baeza_yates;
-  int use_index;
-  int use_collocations;
-  float by_slack_factor;
-  PyObject *prev_norm_prefix;
-  float extract_time;
-  struct __pyx_obj_8_cdec_sa_SuffixArray *fsa;
-  struct __pyx_obj_8_cdec_sa_DataArray *fda;
-  struct __pyx_obj_8_cdec_sa_DataArray *eda;
-  struct __pyx_obj_8_cdec_sa_Alignment *alignment;
-  struct __pyx_obj_8_cdec_sa_IntList *eid2symid;
-  struct __pyx_obj_8_cdec_sa_IntList *fid2symid;
-  int tight_phrases;
-  int require_aligned_terminal;
-  int require_aligned_chunks;
-  struct __pyx_obj_8_cdec_sa_IntList *findexes;
-  struct __pyx_obj_8_cdec_sa_IntList *findexes1;
-};
-
-
 /* "/Users/vchahun/Sandbox/cdec/python/src/sa/lcp.pxi":36
  *         logger.info("LCP array completed")
  * 
@@ -762,7 +767,7 @@ struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory {
  *         """Note: the output of this function is not exact.  In
  *         particular, the frequency associated with each word is
  */
-struct __pyx_obj_8_cdec_sa___pyx_scope_struct__compute_stats {
+struct __pyx_obj_3_sa___pyx_scope_struct__compute_stats {
   PyObject_HEAD
   int __pyx_v_N;
   int __pyx_v_freq;
@@ -775,116 +780,17 @@ struct __pyx_obj_8_cdec_sa___pyx_scope_struct__compute_stats {
   int __pyx_v_max_n;
   int __pyx_v_n;
   PyObject *__pyx_v_ngram;
-  struct __pyx_obj_8_cdec_sa_IntList *__pyx_v_ngram_start;
+  struct __pyx_obj_3_sa_IntList *__pyx_v_ngram_start;
   PyObject *__pyx_v_ngram_starts;
   int __pyx_v_rs;
-  struct __pyx_obj_8_cdec_sa_IntList *__pyx_v_run_start;
-  struct __pyx_obj_8_cdec_sa_LCP *__pyx_v_self;
+  struct __pyx_obj_3_sa_IntList *__pyx_v_run_start;
+  struct __pyx_obj_3_sa_LCP *__pyx_v_self;
   int __pyx_v_valid;
-  struct __pyx_obj_8_cdec_sa_VEB *__pyx_v_veb;
+  struct __pyx_obj_3_sa_VEB *__pyx_v_veb;
   int __pyx_t_0;
 };
 
 
-/* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":47
- * 
- * 
- * cdef class BiLex:             # <<<<<<<<<<<<<<
- *     cdef FloatList col1
- *     cdef FloatList col2
- */
-struct __pyx_obj_8_cdec_sa_BiLex {
-  PyObject_HEAD
-  struct __pyx_vtabstruct_8_cdec_sa_BiLex *__pyx_vtab;
-  struct __pyx_obj_8_cdec_sa_FloatList *col1;
-  struct __pyx_obj_8_cdec_sa_FloatList *col2;
-  struct __pyx_obj_8_cdec_sa_IntList *f_index;
-  struct __pyx_obj_8_cdec_sa_IntList *e_index;
-  PyObject *id2eword;
-  PyObject *id2fword;
-  PyObject *eword2id;
-  PyObject *fword2id;
-};
-
-
-/* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":6
- * from libc.stdio cimport FILE, fclose, fopen
- * 
- * cdef class SuffixArray:             # <<<<<<<<<<<<<<
- *     cdef DataArray darray
- *     cdef IntList sa
- */
-struct __pyx_obj_8_cdec_sa_SuffixArray {
-  PyObject_HEAD
-  struct __pyx_vtabstruct_8_cdec_sa_SuffixArray *__pyx_vtab;
-  struct __pyx_obj_8_cdec_sa_DataArray *darray;
-  struct __pyx_obj_8_cdec_sa_IntList *sa;
-  struct __pyx_obj_8_cdec_sa_IntList *ha;
-};
-
-
-/* "/Users/vchahun/Sandbox/cdec/python/src/sa/str_map.pxi":8
- *     char* stringmap_word(StrMap *vocab, int i)
- * 
- * cdef class StringMap:             # <<<<<<<<<<<<<<
- *     cdef StrMap *vocab
- *     cdef char *word(self, int i)
- */
-struct __pyx_obj_8_cdec_sa_StringMap {
-  PyObject_HEAD
-  struct __pyx_vtabstruct_8_cdec_sa_StringMap *__pyx_vtab;
-  StrMap *vocab;
-};
-
-
-/* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":109
- *         trie_node_to_map(edge.node, result, prefix, include_zeros)
- * 
- * cdef class TrieMap:             # <<<<<<<<<<<<<<
- * 
- *     cdef _Trie_Node** root
- */
-struct __pyx_obj_8_cdec_sa_TrieMap {
-  PyObject_HEAD
-  struct __pyx_vtabstruct_8_cdec_sa_TrieMap *__pyx_vtab;
-  struct __pyx_t_8_cdec_sa__Trie_Node **root;
-  int V;
-};
-
-
-/* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":7
- * cdef int INDEX_MASK = (1<<INDEX_SHIFT)-1
- * 
- * cdef class Alphabet:             # <<<<<<<<<<<<<<
- *     cdef readonly StringMap terminals, nonterminals
- *     cdef int first_nonterminal, last_nonterminal
- */
-struct __pyx_obj_8_cdec_sa_Alphabet {
-  PyObject_HEAD
-  struct __pyx_vtabstruct_8_cdec_sa_Alphabet *__pyx_vtab;
-  struct __pyx_obj_8_cdec_sa_StringMap *terminals;
-  struct __pyx_obj_8_cdec_sa_StringMap *nonterminals;
-  int first_nonterminal;
-  int last_nonterminal;
-  PyObject *id2sym;
-};
-
-
-/* "/Users/vchahun/Sandbox/cdec/python/src/sa/alignment.pxi":8
- * # May need to revisit if things get really tight, though.
- * 
- * cdef class Alignment:             # <<<<<<<<<<<<<<
- *     cdef IntList links
- *     cdef IntList sent_index
- */
-struct __pyx_obj_8_cdec_sa_Alignment {
-  PyObject_HEAD
-  struct __pyx_vtabstruct_8_cdec_sa_Alignment *__pyx_vtab;
-  struct __pyx_obj_8_cdec_sa_IntList *links;
-  struct __pyx_obj_8_cdec_sa_IntList *sent_index;
-};
-
-
 /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":919
  *         return sorted(result);
  * 
@@ -892,7 +798,7 @@ struct __pyx_obj_8_cdec_sa_Alignment {
  *         '''When this function is called on the RuleFactory,
  *         it looks up all of the rules that can be used to translate
  */
-struct __pyx_obj_8_cdec_sa___pyx_scope_struct_1_input {
+struct __pyx_obj_3_sa___pyx_scope_struct_2_input {
   PyObject_HEAD
   PyObject *__pyx_v_alignment;
   PyObject *__pyx_v_als;
@@ -900,7 +806,7 @@ struct __pyx_obj_8_cdec_sa___pyx_scope_struct_1_input {
   int __pyx_v_alt;
   int __pyx_v_alt_id;
   int __pyx_v_arity;
-  struct __pyx_obj_8_cdec_sa_IntList *__pyx_v_chunklen;
+  struct __pyx_obj_3_sa_IntList *__pyx_v_chunklen;
   PyObject *__pyx_v_count;
   PyObject *__pyx_v_currcount;
   PyObject *__pyx_v_e;
@@ -918,7 +824,7 @@ struct __pyx_obj_8_cdec_sa___pyx_scope_struct_1_input {
   PyObject *__pyx_v_frontier;
   PyObject *__pyx_v_frontier_nodes;
   PyObject *__pyx_v_fwords;
-  struct __pyx_obj_8_cdec_sa_Phrase *__pyx_v_hiero_phrase;
+  struct __pyx_obj_3_sa_Phrase *__pyx_v_hiero_phrase;
   long __pyx_v_hit;
   int __pyx_v_i;
   PyObject *__pyx_v_is_shadow_path;
@@ -926,7 +832,7 @@ struct __pyx_obj_8_cdec_sa___pyx_scope_struct_1_input {
   int __pyx_v_k;
   PyObject *__pyx_v_key;
   int __pyx_v_lookup_required;
-  struct __pyx_t_8_cdec_sa_Matching __pyx_v_matching;
+  struct __pyx_t_3_sa_Matching __pyx_v_matching;
   PyObject *__pyx_v_model;
   PyObject *__pyx_v_models;
   PyObject *__pyx_v_new_frontier;
@@ -939,17 +845,16 @@ struct __pyx_obj_8_cdec_sa___pyx_scope_struct_1_input {
   int __pyx_v_num_subpatterns;
   PyObject *__pyx_v_pathlen;
   PyObject *__pyx_v_phrase;
-  struct __pyx_obj_8_cdec_sa_PhraseLocation *__pyx_v_phrase_location;
+  struct __pyx_obj_3_sa_PhraseLocation *__pyx_v_phrase_location;
   PyObject *__pyx_v_prefix;
   PyObject *__pyx_v_reachable_buffer;
   PyObject *__pyx_v_sa_range;
-  struct __pyx_obj_8_cdec_sa_IntList *__pyx_v_sample;
+  struct __pyx_obj_3_sa_IntList *__pyx_v_sample;
   PyObject *__pyx_v_scores;
-  struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *__pyx_v_self;
+  struct __pyx_obj_3_sa_HieroCachingRuleFactory *__pyx_v_self;
   PyObject *__pyx_v_spanlen;
   float __pyx_v_start_time;
   PyObject *__pyx_v_stop_time;
-  PyObject *__pyx_v_str_phrase;
   PyObject *__pyx_v_suffix_link;
   int __pyx_v_suffix_link_xcat;
   PyObject *__pyx_v_suffix_link_xcat_index;
@@ -960,142 +865,178 @@ struct __pyx_obj_8_cdec_sa___pyx_scope_struct_1_input {
   PyObject *__pyx_v_xnode;
   PyObject *__pyx_v_xroot;
   Py_ssize_t __pyx_t_0;
-  Py_ssize_t __pyx_t_1;
-  PyObject *__pyx_t_2;
-  PyObject *__pyx_t_3;
+  PyObject *__pyx_t_1;
+  Py_ssize_t __pyx_t_2;
+  int __pyx_t_3;
   PyObject *__pyx_t_4;
-  Py_ssize_t __pyx_t_5;
-  Py_ssize_t __pyx_t_6;
-  PyObject *(*__pyx_t_7)(PyObject *);
+  PyObject *__pyx_t_5;
+  int __pyx_t_6;
+  Py_ssize_t __pyx_t_7;
+  Py_ssize_t __pyx_t_8;
+  Py_ssize_t __pyx_t_9;
 };
 
 
-/* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":188
- * 
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/alignment.pxi":8
+ * # May need to revisit if things get really tight, though.
  * 
- * cdef class Precomputation:             # <<<<<<<<<<<<<<
- *     cdef int precompute_rank
- *     cdef int precompute_secondary_rank
+ * cdef class Alignment:             # <<<<<<<<<<<<<<
+ *     cdef IntList links
+ *     cdef IntList sent_index
  */
-struct __pyx_obj_8_cdec_sa_Precomputation {
+struct __pyx_obj_3_sa_Alignment {
   PyObject_HEAD
-  struct __pyx_vtabstruct_8_cdec_sa_Precomputation *__pyx_vtab;
-  int precompute_rank;
-  int precompute_secondary_rank;
-  int max_length;
-  int max_nonterminals;
-  int train_max_initial_size;
-  int train_min_gap_size;
-  PyObject *precomputed_index;
-  PyObject *precomputed_collocations;
+  struct __pyx_vtabstruct_3_sa_Alignment *__pyx_vtab;
+  struct __pyx_obj_3_sa_IntList *links;
+  struct __pyx_obj_3_sa_IntList *sent_index;
 };
 
 
-/* "/Users/vchahun/Sandbox/cdec/python/src/sa/float_list.pxi":9
- * from libc.string cimport memset, strcpy, strlen
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":118
+ * # (entirely C-implemented) _BitSet struct.
+ * # Very slow; use only for debugging
+ * cdef class BitSet:             # <<<<<<<<<<<<<<
  * 
- * cdef class FloatList:             # <<<<<<<<<<<<<<
- *     cdef int size
- *     cdef int increment
+ *     cdef _BitSet* b
  */
-struct __pyx_obj_8_cdec_sa_FloatList {
+struct __pyx_obj_3_sa_BitSet {
   PyObject_HEAD
-  struct __pyx_vtabstruct_8_cdec_sa_FloatList *__pyx_vtab;
-  int size;
-  int increment;
-  int len;
-  float *arr;
+  struct __pyx_t_3_sa__BitSet *b;
 };
 
 
-/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":35
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":79
  * 
  * 
- * cdef class TrieTable:             # <<<<<<<<<<<<<<
- *     cdef public int extended
- *     cdef public int count
+ * cdef class Sampler:             # <<<<<<<<<<<<<<
+ *     '''A Sampler implements a logic for choosing
+ *     samples from a population range'''
  */
-struct __pyx_obj_8_cdec_sa_TrieTable {
+struct __pyx_obj_3_sa_Sampler {
   PyObject_HEAD
-  int extended;
-  int count;
-  PyObject *root;
+  int sample_size;
+  struct __pyx_obj_3_sa_IntList *sa;
 };
 
 
-
-/* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":6
- * from libc.stdio cimport FILE, fclose, fopen
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/str_map.pxi":8
+ *     char* stringmap_word(StrMap *vocab, int i)
  * 
- * cdef class SuffixArray:             # <<<<<<<<<<<<<<
- *     cdef DataArray darray
- *     cdef IntList sa
+ * cdef class StringMap:             # <<<<<<<<<<<<<<
+ *     cdef StrMap *vocab
+ *     cdef char *word(self, int i)
  */
+struct __pyx_obj_3_sa_StringMap {
+  PyObject_HEAD
+  struct __pyx_vtabstruct_3_sa_StringMap *__pyx_vtab;
+  StrMap *vocab;
+};
 
-struct __pyx_vtabstruct_8_cdec_sa_SuffixArray {
-  int (*__pyx___search_high)(struct __pyx_obj_8_cdec_sa_SuffixArray *, int, int, int, int);
-  int (*__pyx___search_low)(struct __pyx_obj_8_cdec_sa_SuffixArray *, int, int, int, int);
-  PyObject *(*__pyx___get_range)(struct __pyx_obj_8_cdec_sa_SuffixArray *, int, int, int, int, int);
-  PyObject *(*__pyx___lookup_helper)(struct __pyx_obj_8_cdec_sa_SuffixArray *, int, int, int, int);
+
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":141
+ *         return self.syms[i]
+ * 
+ *     def __iter__(self):             # <<<<<<<<<<<<<<
+ *         cdef int i
+ *         for i from 0 <= i < self.n:
+ */
+struct __pyx_obj_3_sa___pyx_scope_struct_1___iter__ {
+  PyObject_HEAD
+  int __pyx_v_i;
+  struct __pyx_obj_3_sa_Phrase *__pyx_v_self;
+  int __pyx_t_0;
 };
-static struct __pyx_vtabstruct_8_cdec_sa_SuffixArray *__pyx_vtabptr_8_cdec_sa_SuffixArray;
 
 
-/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":201
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":18
+ * cdef int EPSILON = sym_fromstring('*EPS*', True)
  * 
+ * cdef class TrieNode:             # <<<<<<<<<<<<<<
+ *     cdef public children
  * 
- * cdef class HieroCachingRuleFactory:             # <<<<<<<<<<<<<<
- *     '''This RuleFactory implements a caching
- *     method using TrieTable, which makes phrase
  */
+struct __pyx_obj_3_sa_TrieNode {
+  PyObject_HEAD
+  PyObject *children;
+};
+
 
-struct __pyx_vtabstruct_8_cdec_sa_HieroCachingRuleFactory {
-  PyObject *(*set_idmap)(struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *, struct __pyx_obj_8_cdec_sa_DataArray *);
-  int *(*baeza_yates_helper)(struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *, int, int, int *, int, int, int, int *, int, int, int, int, int *);
-  long (*compare_matchings_set)(struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *, int, int, int *, int, struct __pyx_t_8_cdec_sa_Matching *, int, int);
-  long (*compare_matchings)(struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *, struct __pyx_t_8_cdec_sa_Matching *, struct __pyx_t_8_cdec_sa_Matching *, int, int);
-  int *(*merge_helper)(struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *, int, int, int *, int, int, int, int *, int, int, int, int, int *);
-  void (*sort_phrase_loc)(struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *, struct __pyx_obj_8_cdec_sa_IntList *, struct __pyx_obj_8_cdec_sa_PhraseLocation *, struct __pyx_obj_8_cdec_sa_Phrase *);
-  PyObject *(*intersect_helper)(struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *, struct __pyx_obj_8_cdec_sa_Phrase *, struct __pyx_obj_8_cdec_sa_Phrase *, struct __pyx_obj_8_cdec_sa_PhraseLocation *, struct __pyx_obj_8_cdec_sa_PhraseLocation *, int);
-  PyObject *(*loc2str)(struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *, struct __pyx_obj_8_cdec_sa_PhraseLocation *);
-  struct __pyx_obj_8_cdec_sa_PhraseLocation *(*intersect)(struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *, PyObject *, PyObject *, struct __pyx_obj_8_cdec_sa_Phrase *);
-  int (*find_fixpoint)(struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *, int, PyObject *, int *, int *, int *, int *, int, int, int *, int *, int *, int *, int, int, int, int, int, int, int, int, int, int, int);
-  PyObject *(*find_projection)(struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *, int, int, int *, int *, int *, int *);
-  int *(*int_arr_extend)(struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *, int *, int *, int *, int);
-  PyObject *(*extract_phrases)(struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *, int, int, int *, int *, int *, int, int, int, int *, int *, int *, int, int, int);
-  PyObject *(*create_alignments)(struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *, int *, int, PyObject *, PyObject *);
-  PyObject *(*extract)(struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *, struct __pyx_obj_8_cdec_sa_Phrase *, struct __pyx_t_8_cdec_sa_Matching *, int *, int);
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":24
+ *         self.children = {}
+ * 
+ * cdef class ExtendedTrieNode(TrieNode):             # <<<<<<<<<<<<<<
+ *     cdef public phrase
+ *     cdef public phrase_location
+ */
+struct __pyx_obj_3_sa_ExtendedTrieNode {
+  struct __pyx_obj_3_sa_TrieNode __pyx_base;
+  PyObject *phrase;
+  PyObject *phrase_location;
+  PyObject *suffix_link;
 };
-static struct __pyx_vtabstruct_8_cdec_sa_HieroCachingRuleFactory *__pyx_vtabptr_8_cdec_sa_HieroCachingRuleFactory;
 
 
-/* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":188
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":109
+ *         trie_node_to_map(edge.node, result, prefix, include_zeros)
  * 
+ * cdef class TrieMap:             # <<<<<<<<<<<<<<
  * 
- * cdef class Precomputation:             # <<<<<<<<<<<<<<
- *     cdef int precompute_rank
- *     cdef int precompute_secondary_rank
+ *     cdef _Trie_Node** root
  */
+struct __pyx_obj_3_sa_TrieMap {
+  PyObject_HEAD
+  struct __pyx_vtabstruct_3_sa_TrieMap *__pyx_vtab;
+  struct __pyx_t_3_sa__Trie_Node **root;
+  int V;
+};
 
-struct __pyx_vtabstruct_8_cdec_sa_Precomputation {
-  PyObject *(*read_map)(struct __pyx_obj_8_cdec_sa_Precomputation *, FILE *);
-  PyObject *(*write_map)(struct __pyx_obj_8_cdec_sa_Precomputation *, PyObject *, FILE *);
+
+/* "_sa.pxd":1
+ * cdef class Phrase:             # <<<<<<<<<<<<<<
+ *     cdef int *syms
+ *     cdef int n, *varpos, n_vars
+ */
+struct __pyx_obj_3_sa_Phrase {
+  PyObject_HEAD
+  struct __pyx_vtabstruct_3_sa_Phrase *__pyx_vtab;
+  int *syms;
+  int n;
+  int *varpos;
+  int n_vars;
 };
-static struct __pyx_vtabstruct_8_cdec_sa_Precomputation *__pyx_vtabptr_8_cdec_sa_Precomputation;
 
 
-/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":56
- * # in the suffix array; if discontiguous, it is the set of
- * # actual locations (packed into an array)
- * cdef class PhraseLocation:             # <<<<<<<<<<<<<<
- *     cdef int sa_low
- *     cdef int sa_high
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":35
+ * 
+ * 
+ * cdef class TrieTable:             # <<<<<<<<<<<<<<
+ *     cdef public int extended
+ *     cdef public int count
  */
+struct __pyx_obj_3_sa_TrieTable {
+  PyObject_HEAD
+  int extended;
+  int count;
+  PyObject *root;
+};
 
-struct __pyx_vtabstruct_8_cdec_sa_PhraseLocation {
-  int (*contains)(struct __pyx_obj_8_cdec_sa_PhraseLocation *, int);
+
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/float_list.pxi":9
+ * from libc.string cimport memset, strcpy, strlen
+ * 
+ * cdef class FloatList:             # <<<<<<<<<<<<<<
+ *     cdef int size
+ *     cdef int increment
+ */
+struct __pyx_obj_3_sa_FloatList {
+  PyObject_HEAD
+  struct __pyx_vtabstruct_3_sa_FloatList *__pyx_vtab;
+  int size;
+  int increment;
+  int len;
+  float *arr;
 };
-static struct __pyx_vtabstruct_8_cdec_sa_PhraseLocation *__pyx_vtabptr_8_cdec_sa_PhraseLocation;
+
 
 
 /* "/Users/vchahun/Sandbox/cdec/python/src/sa/str_map.pxi":8
@@ -1106,11 +1047,57 @@ static struct __pyx_vtabstruct_8_cdec_sa_PhraseLocation *__pyx_vtabptr_8_cdec_sa
  *     cdef char *word(self, int i)
  */
 
-struct __pyx_vtabstruct_8_cdec_sa_StringMap {
-  char *(*word)(struct __pyx_obj_8_cdec_sa_StringMap *, int);
-  int (*index)(struct __pyx_obj_8_cdec_sa_StringMap *, char *);
+struct __pyx_vtabstruct_3_sa_StringMap {
+  char *(*word)(struct __pyx_obj_3_sa_StringMap *, int);
+  int (*index)(struct __pyx_obj_3_sa_StringMap *, char *);
+};
+static struct __pyx_vtabstruct_3_sa_StringMap *__pyx_vtabptr_3_sa_StringMap;
+
+
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/data_array.pxi":9
+ * from libc.string cimport memset, strcpy, strlen
+ * 
+ * cdef class DataArray:             # <<<<<<<<<<<<<<
+ *     cdef word2id
+ *     cdef id2word
+ */
+
+struct __pyx_vtabstruct_3_sa_DataArray {
+  void (*read_handle)(struct __pyx_obj_3_sa_DataArray *, FILE *);
+  void (*write_handle)(struct __pyx_obj_3_sa_DataArray *, FILE *);
 };
-static struct __pyx_vtabstruct_8_cdec_sa_StringMap *__pyx_vtabptr_8_cdec_sa_StringMap;
+static struct __pyx_vtabstruct_3_sa_DataArray *__pyx_vtabptr_3_sa_DataArray;
+
+
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":109
+ *         trie_node_to_map(edge.node, result, prefix, include_zeros)
+ * 
+ * cdef class TrieMap:             # <<<<<<<<<<<<<<
+ * 
+ *     cdef _Trie_Node** root
+ */
+
+struct __pyx_vtabstruct_3_sa_TrieMap {
+  struct __pyx_t_3_sa__Trie_Node *(*_insert)(struct __pyx_obj_3_sa_TrieMap *, int *, int);
+  struct __pyx_t_3_sa__Trie_Node *(*_contains)(struct __pyx_obj_3_sa_TrieMap *, int *, int);
+};
+static struct __pyx_vtabstruct_3_sa_TrieMap *__pyx_vtabptr_3_sa_TrieMap;
+
+
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/alignment.pxi":8
+ * # May need to revisit if things get really tight, though.
+ * 
+ * cdef class Alignment:             # <<<<<<<<<<<<<<
+ *     cdef IntList links
+ *     cdef IntList sent_index
+ */
+
+struct __pyx_vtabstruct_3_sa_Alignment {
+  int (*link)(struct __pyx_obj_3_sa_Alignment *, int, int);
+  PyObject *(*_unlink)(struct __pyx_obj_3_sa_Alignment *, int, int *, int *);
+  int *(*_get_sent_links)(struct __pyx_obj_3_sa_Alignment *, int, int *);
+};
+static struct __pyx_vtabstruct_3_sa_Alignment *__pyx_vtabptr_3_sa_Alignment;
 
 
 /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":47
@@ -1121,82 +1108,79 @@ static struct __pyx_vtabstruct_8_cdec_sa_StringMap *__pyx_vtabptr_8_cdec_sa_Stri
  *     cdef FloatList col2
  */
 
-struct __pyx_vtabstruct_8_cdec_sa_BiLex {
-  PyObject *(*compute_from_data)(struct __pyx_obj_8_cdec_sa_BiLex *, struct __pyx_obj_8_cdec_sa_SuffixArray *, struct __pyx_obj_8_cdec_sa_DataArray *, struct __pyx_obj_8_cdec_sa_Alignment *);
-  PyObject *(*_add_node)(struct __pyx_obj_8_cdec_sa_BiLex *, struct __pyx_t_8_cdec_sa__node *, int *, float, int *);
-  PyObject *(*write_wordlist)(struct __pyx_obj_8_cdec_sa_BiLex *, PyObject *, FILE *);
-  PyObject *(*read_wordlist)(struct __pyx_obj_8_cdec_sa_BiLex *, PyObject *, PyObject *, FILE *);
-  PyObject *(*swap)(struct __pyx_obj_8_cdec_sa_BiLex *, int, int);
-  PyObject *(*qsort)(struct __pyx_obj_8_cdec_sa_BiLex *, int, int, PyObject *);
+struct __pyx_vtabstruct_3_sa_BiLex {
+  PyObject *(*compute_from_data)(struct __pyx_obj_3_sa_BiLex *, struct __pyx_obj_3_sa_SuffixArray *, struct __pyx_obj_3_sa_DataArray *, struct __pyx_obj_3_sa_Alignment *);
+  PyObject *(*_add_node)(struct __pyx_obj_3_sa_BiLex *, struct __pyx_t_3_sa__node *, int *, float, int *);
+  PyObject *(*write_wordlist)(struct __pyx_obj_3_sa_BiLex *, PyObject *, FILE *);
+  PyObject *(*read_wordlist)(struct __pyx_obj_3_sa_BiLex *, PyObject *, PyObject *, FILE *);
+  PyObject *(*swap)(struct __pyx_obj_3_sa_BiLex *, int, int);
+  PyObject *(*qsort)(struct __pyx_obj_3_sa_BiLex *, int, int, PyObject *);
 };
-static struct __pyx_vtabstruct_8_cdec_sa_BiLex *__pyx_vtabptr_8_cdec_sa_BiLex;
+static struct __pyx_vtabstruct_3_sa_BiLex *__pyx_vtabptr_3_sa_BiLex;
 
 
-/* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":354
- * 
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/int_list.pxi":9
+ * from libc.string cimport memset, memcpy
  * 
- * cdef class VEB:             # <<<<<<<<<<<<<<
- *     cdef _VEB* veb
- *     cdef int _findsucc(self, int i)
+ * cdef class IntList:             # <<<<<<<<<<<<<<
+ *     cdef int size
+ *     cdef int increment
  */
 
-struct __pyx_vtabstruct_8_cdec_sa_VEB {
-  int (*_findsucc)(struct __pyx_obj_8_cdec_sa_VEB *, int);
-  int (*_insert)(struct __pyx_obj_8_cdec_sa_VEB *, int);
-  int (*_first)(struct __pyx_obj_8_cdec_sa_VEB *);
+struct __pyx_vtabstruct_3_sa_IntList {
+  void (*set)(struct __pyx_obj_3_sa_IntList *, int, int);
+  void (*_append)(struct __pyx_obj_3_sa_IntList *, int);
+  void (*_extend)(struct __pyx_obj_3_sa_IntList *, struct __pyx_obj_3_sa_IntList *);
+  void (*_extend_arr)(struct __pyx_obj_3_sa_IntList *, int *, int);
+  void (*_clear)(struct __pyx_obj_3_sa_IntList *);
+  void (*write_handle)(struct __pyx_obj_3_sa_IntList *, FILE *);
+  void (*read_handle)(struct __pyx_obj_3_sa_IntList *, FILE *);
 };
-static struct __pyx_vtabstruct_8_cdec_sa_VEB *__pyx_vtabptr_8_cdec_sa_VEB;
+static struct __pyx_vtabstruct_3_sa_IntList *__pyx_vtabptr_3_sa_IntList;
 
 
 /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":4
  * from libc.string cimport strsep, strcpy, strlen
  * 
  * cdef class Phrase:             # <<<<<<<<<<<<<<
- *     cdef int *syms
- *     cdef int n, *varpos, n_vars
+ * 
+ *     def __cinit__(self, words):
  */
 
-struct __pyx_vtabstruct_8_cdec_sa_Phrase {
-  int (*chunkpos)(struct __pyx_obj_8_cdec_sa_Phrase *, int);
-  int (*chunklen)(struct __pyx_obj_8_cdec_sa_Phrase *, int);
+struct __pyx_vtabstruct_3_sa_Phrase {
+  int (*chunkpos)(struct __pyx_obj_3_sa_Phrase *, int);
+  int (*chunklen)(struct __pyx_obj_3_sa_Phrase *, int);
 };
-static struct __pyx_vtabstruct_8_cdec_sa_Phrase *__pyx_vtabptr_8_cdec_sa_Phrase;
+static struct __pyx_vtabstruct_3_sa_Phrase *__pyx_vtabptr_3_sa_Phrase;
 
 
-/* "/Users/vchahun/Sandbox/cdec/python/src/sa/int_list.pxi":9
- * from libc.string cimport memset, memcpy
- * 
- * cdef class IntList:             # <<<<<<<<<<<<<<
- *     cdef int size
- *     cdef int increment
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":56
+ * # in the suffix array; if discontiguous, it is the set of
+ * # actual locations (packed into an array)
+ * cdef class PhraseLocation:             # <<<<<<<<<<<<<<
+ *     cdef int sa_low
+ *     cdef int sa_high
  */
 
-struct __pyx_vtabstruct_8_cdec_sa_IntList {
-  void (*set)(struct __pyx_obj_8_cdec_sa_IntList *, int, int);
-  void (*_append)(struct __pyx_obj_8_cdec_sa_IntList *, int);
-  void (*_extend)(struct __pyx_obj_8_cdec_sa_IntList *, struct __pyx_obj_8_cdec_sa_IntList *);
-  void (*_extend_arr)(struct __pyx_obj_8_cdec_sa_IntList *, int *, int);
-  void (*_clear)(struct __pyx_obj_8_cdec_sa_IntList *);
-  void (*write_handle)(struct __pyx_obj_8_cdec_sa_IntList *, FILE *);
-  void (*read_handle)(struct __pyx_obj_8_cdec_sa_IntList *, FILE *);
+struct __pyx_vtabstruct_3_sa_PhraseLocation {
+  int (*contains)(struct __pyx_obj_3_sa_PhraseLocation *, int);
 };
-static struct __pyx_vtabstruct_8_cdec_sa_IntList *__pyx_vtabptr_8_cdec_sa_IntList;
+static struct __pyx_vtabstruct_3_sa_PhraseLocation *__pyx_vtabptr_3_sa_PhraseLocation;
 
 
-/* "/Users/vchahun/Sandbox/cdec/python/src/sa/alignment.pxi":8
- * # May need to revisit if things get really tight, though.
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":188
  * 
- * cdef class Alignment:             # <<<<<<<<<<<<<<
- *     cdef IntList links
- *     cdef IntList sent_index
+ * 
+ * cdef class Precomputation:             # <<<<<<<<<<<<<<
+ *     cdef int precompute_rank
+ *     cdef int precompute_secondary_rank
  */
 
-struct __pyx_vtabstruct_8_cdec_sa_Alignment {
-  int (*link)(struct __pyx_obj_8_cdec_sa_Alignment *, int, int);
-  PyObject *(*_unlink)(struct __pyx_obj_8_cdec_sa_Alignment *, int, int *, int *);
-  int *(*_get_sent_links)(struct __pyx_obj_8_cdec_sa_Alignment *, int, int *);
+struct __pyx_vtabstruct_3_sa_Precomputation {
+  PyObject *(*read_map)(struct __pyx_obj_3_sa_Precomputation *, FILE *);
+  PyObject *(*write_map)(struct __pyx_obj_3_sa_Precomputation *, PyObject *, FILE *);
 };
-static struct __pyx_vtabstruct_8_cdec_sa_Alignment *__pyx_vtabptr_8_cdec_sa_Alignment;
+static struct __pyx_vtabstruct_3_sa_Precomputation *__pyx_vtabptr_3_sa_Precomputation;
 
 
 /* "/Users/vchahun/Sandbox/cdec/python/src/sa/float_list.pxi":9
@@ -1207,65 +1191,96 @@ static struct __pyx_vtabstruct_8_cdec_sa_Alignment *__pyx_vtabptr_8_cdec_sa_Alig
  *     cdef int increment
  */
 
-struct __pyx_vtabstruct_8_cdec_sa_FloatList {
-  void (*set)(struct __pyx_obj_8_cdec_sa_FloatList *, int, float);
-  void (*write_handle)(struct __pyx_obj_8_cdec_sa_FloatList *, FILE *);
-  void (*read_handle)(struct __pyx_obj_8_cdec_sa_FloatList *, FILE *);
+struct __pyx_vtabstruct_3_sa_FloatList {
+  void (*set)(struct __pyx_obj_3_sa_FloatList *, int, float);
+  void (*write_handle)(struct __pyx_obj_3_sa_FloatList *, FILE *);
+  void (*read_handle)(struct __pyx_obj_3_sa_FloatList *, FILE *);
 };
-static struct __pyx_vtabstruct_8_cdec_sa_FloatList *__pyx_vtabptr_8_cdec_sa_FloatList;
+static struct __pyx_vtabstruct_3_sa_FloatList *__pyx_vtabptr_3_sa_FloatList;
 
 
-/* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":109
- *         trie_node_to_map(edge.node, result, prefix, include_zeros)
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":354
  * 
- * cdef class TrieMap:             # <<<<<<<<<<<<<<
  * 
- *     cdef _Trie_Node** root
+ * cdef class VEB:             # <<<<<<<<<<<<<<
+ *     cdef _VEB* veb
+ *     cdef int _findsucc(self, int i)
  */
 
-struct __pyx_vtabstruct_8_cdec_sa_TrieMap {
-  struct __pyx_t_8_cdec_sa__Trie_Node *(*_insert)(struct __pyx_obj_8_cdec_sa_TrieMap *, int *, int);
-  struct __pyx_t_8_cdec_sa__Trie_Node *(*_contains)(struct __pyx_obj_8_cdec_sa_TrieMap *, int *, int);
+struct __pyx_vtabstruct_3_sa_VEB {
+  int (*_findsucc)(struct __pyx_obj_3_sa_VEB *, int);
+  int (*_insert)(struct __pyx_obj_3_sa_VEB *, int);
+  int (*_first)(struct __pyx_obj_3_sa_VEB *);
 };
-static struct __pyx_vtabstruct_8_cdec_sa_TrieMap *__pyx_vtabptr_8_cdec_sa_TrieMap;
+static struct __pyx_vtabstruct_3_sa_VEB *__pyx_vtabptr_3_sa_VEB;
 
 
-/* "/Users/vchahun/Sandbox/cdec/python/src/sa/data_array.pxi":9
- * from libc.string cimport memset, strcpy, strlen
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":7
+ * cdef int INDEX_MASK = (1<<INDEX_SHIFT)-1
  * 
- * cdef class DataArray:             # <<<<<<<<<<<<<<
- *     cdef word2id
- *     cdef id2word
+ * cdef class Alphabet:             # <<<<<<<<<<<<<<
+ *     cdef readonly StringMap terminals, nonterminals
+ *     cdef int first_nonterminal, last_nonterminal
  */
 
-struct __pyx_vtabstruct_8_cdec_sa_DataArray {
-  void (*read_handle)(struct __pyx_obj_8_cdec_sa_DataArray *, FILE *);
-  void (*write_handle)(struct __pyx_obj_8_cdec_sa_DataArray *, FILE *);
+struct __pyx_vtabstruct_3_sa_Alphabet {
+  int (*isvar)(struct __pyx_obj_3_sa_Alphabet *, int);
+  int (*isword)(struct __pyx_obj_3_sa_Alphabet *, int);
+  int (*getindex)(struct __pyx_obj_3_sa_Alphabet *, int);
+  int (*setindex)(struct __pyx_obj_3_sa_Alphabet *, int, int);
+  int (*clearindex)(struct __pyx_obj_3_sa_Alphabet *, int);
+  int (*match)(struct __pyx_obj_3_sa_Alphabet *, int, int);
+  char *(*tocat)(struct __pyx_obj_3_sa_Alphabet *, int);
+  int (*fromcat)(struct __pyx_obj_3_sa_Alphabet *, char *);
+  char *(*tostring)(struct __pyx_obj_3_sa_Alphabet *, int);
+  int (*fromstring)(struct __pyx_obj_3_sa_Alphabet *, char *, int);
 };
-static struct __pyx_vtabstruct_8_cdec_sa_DataArray *__pyx_vtabptr_8_cdec_sa_DataArray;
+static struct __pyx_vtabstruct_3_sa_Alphabet *__pyx_vtabptr_3_sa_Alphabet;
 
 
-/* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":7
- * cdef int INDEX_MASK = (1<<INDEX_SHIFT)-1
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":201
  * 
- * cdef class Alphabet:             # <<<<<<<<<<<<<<
- *     cdef readonly StringMap terminals, nonterminals
- *     cdef int first_nonterminal, last_nonterminal
+ * 
+ * cdef class HieroCachingRuleFactory:             # <<<<<<<<<<<<<<
+ *     '''This RuleFactory implements a caching
+ *     method using TrieTable, which makes phrase
  */
 
-struct __pyx_vtabstruct_8_cdec_sa_Alphabet {
-  int (*isvar)(struct __pyx_obj_8_cdec_sa_Alphabet *, int);
-  int (*isword)(struct __pyx_obj_8_cdec_sa_Alphabet *, int);
-  int (*getindex)(struct __pyx_obj_8_cdec_sa_Alphabet *, int);
-  int (*setindex)(struct __pyx_obj_8_cdec_sa_Alphabet *, int, int);
-  int (*clearindex)(struct __pyx_obj_8_cdec_sa_Alphabet *, int);
-  int (*match)(struct __pyx_obj_8_cdec_sa_Alphabet *, int, int);
-  char *(*tocat)(struct __pyx_obj_8_cdec_sa_Alphabet *, int);
-  int (*fromcat)(struct __pyx_obj_8_cdec_sa_Alphabet *, char *);
-  char *(*tostring)(struct __pyx_obj_8_cdec_sa_Alphabet *, int);
-  int (*fromstring)(struct __pyx_obj_8_cdec_sa_Alphabet *, char *, int);
+struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory {
+  PyObject *(*set_idmap)(struct __pyx_obj_3_sa_HieroCachingRuleFactory *, struct __pyx_obj_3_sa_DataArray *);
+  int *(*baeza_yates_helper)(struct __pyx_obj_3_sa_HieroCachingRuleFactory *, int, int, int *, int, int, int, int *, int, int, int, int, int *);
+  long (*compare_matchings_set)(struct __pyx_obj_3_sa_HieroCachingRuleFactory *, int, int, int *, int, struct __pyx_t_3_sa_Matching *, int, int);
+  long (*compare_matchings)(struct __pyx_obj_3_sa_HieroCachingRuleFactory *, struct __pyx_t_3_sa_Matching *, struct __pyx_t_3_sa_Matching *, int, int);
+  int *(*merge_helper)(struct __pyx_obj_3_sa_HieroCachingRuleFactory *, int, int, int *, int, int, int, int *, int, int, int, int, int *);
+  void (*sort_phrase_loc)(struct __pyx_obj_3_sa_HieroCachingRuleFactory *, struct __pyx_obj_3_sa_IntList *, struct __pyx_obj_3_sa_PhraseLocation *, struct __pyx_obj_3_sa_Phrase *);
+  PyObject *(*intersect_helper)(struct __pyx_obj_3_sa_HieroCachingRuleFactory *, struct __pyx_obj_3_sa_Phrase *, struct __pyx_obj_3_sa_Phrase *, struct __pyx_obj_3_sa_PhraseLocation *, struct __pyx_obj_3_sa_PhraseLocation *, int);
+  PyObject *(*loc2str)(struct __pyx_obj_3_sa_HieroCachingRuleFactory *, struct __pyx_obj_3_sa_PhraseLocation *);
+  struct __pyx_obj_3_sa_PhraseLocation *(*intersect)(struct __pyx_obj_3_sa_HieroCachingRuleFactory *, PyObject *, PyObject *, struct __pyx_obj_3_sa_Phrase *);
+  int (*find_fixpoint)(struct __pyx_obj_3_sa_HieroCachingRuleFactory *, int, PyObject *, int *, int *, int *, int *, int, int, int *, int *, int *, int *, int, int, int, int, int, int, int, int, int, int, int);
+  PyObject *(*find_projection)(struct __pyx_obj_3_sa_HieroCachingRuleFactory *, int, int, int *, int *, int *, int *);
+  int *(*int_arr_extend)(struct __pyx_obj_3_sa_HieroCachingRuleFactory *, int *, int *, int *, int);
+  PyObject *(*extract_phrases)(struct __pyx_obj_3_sa_HieroCachingRuleFactory *, int, int, int *, int *, int *, int, int, int, int *, int *, int *, int, int, int);
+  PyObject *(*create_alignments)(struct __pyx_obj_3_sa_HieroCachingRuleFactory *, int *, int, PyObject *, PyObject *);
+  PyObject *(*extract)(struct __pyx_obj_3_sa_HieroCachingRuleFactory *, struct __pyx_obj_3_sa_Phrase *, struct __pyx_t_3_sa_Matching *, int *, int);
 };
-static struct __pyx_vtabstruct_8_cdec_sa_Alphabet *__pyx_vtabptr_8_cdec_sa_Alphabet;
+static struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *__pyx_vtabptr_3_sa_HieroCachingRuleFactory;
+
+
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/suffix_array.pxi":6
+ * from libc.stdio cimport FILE, fclose, fopen
+ * 
+ * cdef class SuffixArray:             # <<<<<<<<<<<<<<
+ *     cdef DataArray darray
+ *     cdef IntList sa
+ */
+
+struct __pyx_vtabstruct_3_sa_SuffixArray {
+  int (*__pyx___search_high)(struct __pyx_obj_3_sa_SuffixArray *, int, int, int, int);
+  int (*__pyx___search_low)(struct __pyx_obj_3_sa_SuffixArray *, int, int, int, int);
+  PyObject *(*__pyx___get_range)(struct __pyx_obj_3_sa_SuffixArray *, int, int, int, int, int);
+  PyObject *(*__pyx___lookup_helper)(struct __pyx_obj_3_sa_SuffixArray *, int, int, int, int);
+};
+static struct __pyx_vtabstruct_3_sa_SuffixArray *__pyx_vtabptr_3_sa_SuffixArray;
 #ifndef CYTHON_REFNANNY
   #define CYTHON_REFNANNY 0
 #endif
@@ -1425,42 +1440,47 @@ static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Generic(PyObject *o, PyObject* j
                                                     __Pyx_GetItemInt_List_Fast(o, i) : \
                                                     __Pyx_GetItemInt_Generic(o, to_py_func(i)))
 static CYTHON_INLINE PyObject *__Pyx_GetItemInt_List_Fast(PyObject *o, Py_ssize_t i) {
-    if (likely(o != Py_None)) {
-        if (likely((0 <= i) & (i < PyList_GET_SIZE(o)))) {
-            PyObject *r = PyList_GET_ITEM(o, i);
-            Py_INCREF(r);
-            return r;
-        }
-        else if ((-PyList_GET_SIZE(o) <= i) & (i < 0)) {
-            PyObject *r = PyList_GET_ITEM(o, PyList_GET_SIZE(o) + i);
-            Py_INCREF(r);
-            return r;
-        }
+#if CYTHON_COMPILING_IN_CPYTHON
+    if (likely((0 <= i) & (i < PyList_GET_SIZE(o)))) {
+        PyObject *r = PyList_GET_ITEM(o, i);
+        Py_INCREF(r);
+        return r;
+    }
+    else if ((-PyList_GET_SIZE(o) <= i) & (i < 0)) {
+        PyObject *r = PyList_GET_ITEM(o, PyList_GET_SIZE(o) + i);
+        Py_INCREF(r);
+        return r;
     }
     return __Pyx_GetItemInt_Generic(o, PyInt_FromSsize_t(i));
+#else
+    return PySequence_GetItem(o, i);
+#endif
 }
 #define __Pyx_GetItemInt_Tuple(o, i, size, to_py_func) (((size) <= sizeof(Py_ssize_t)) ? \
                                                     __Pyx_GetItemInt_Tuple_Fast(o, i) : \
                                                     __Pyx_GetItemInt_Generic(o, to_py_func(i)))
 static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Tuple_Fast(PyObject *o, Py_ssize_t i) {
-    if (likely(o != Py_None)) {
-        if (likely((0 <= i) & (i < PyTuple_GET_SIZE(o)))) {
-            PyObject *r = PyTuple_GET_ITEM(o, i);
-            Py_INCREF(r);
-            return r;
-        }
-        else if ((-PyTuple_GET_SIZE(o) <= i) & (i < 0)) {
-            PyObject *r = PyTuple_GET_ITEM(o, PyTuple_GET_SIZE(o) + i);
-            Py_INCREF(r);
-            return r;
-        }
+#if CYTHON_COMPILING_IN_CPYTHON
+    if (likely((0 <= i) & (i < PyTuple_GET_SIZE(o)))) {
+        PyObject *r = PyTuple_GET_ITEM(o, i);
+        Py_INCREF(r);
+        return r;
+    }
+    else if ((-PyTuple_GET_SIZE(o) <= i) & (i < 0)) {
+        PyObject *r = PyTuple_GET_ITEM(o, PyTuple_GET_SIZE(o) + i);
+        Py_INCREF(r);
+        return r;
     }
     return __Pyx_GetItemInt_Generic(o, PyInt_FromSsize_t(i));
+#else
+    return PySequence_GetItem(o, i);
+#endif
 }
 #define __Pyx_GetItemInt(o, i, size, to_py_func) (((size) <= sizeof(Py_ssize_t)) ? \
                                                     __Pyx_GetItemInt_Fast(o, i) : \
                                                     __Pyx_GetItemInt_Generic(o, to_py_func(i)))
 static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Fast(PyObject *o, Py_ssize_t i) {
+#if CYTHON_COMPILING_IN_CPYTHON
     if (PyList_CheckExact(o)) {
         Py_ssize_t n = (likely(i >= 0)) ? i : i + PyList_GET_SIZE(o);
         if (likely((n >= 0) & (n < PyList_GET_SIZE(o)))) {
@@ -1476,13 +1496,22 @@ static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Fast(PyObject *o, Py_ssize_t i)
             Py_INCREF(r);
             return r;
         }
-    }
-    else if (likely(i >= 0)) {
+    } else {  /* inlined PySequence_GetItem() */
         PySequenceMethods *m = Py_TYPE(o)->tp_as_sequence;
         if (likely(m && m->sq_item)) {
+            if (unlikely(i < 0) && likely(m->sq_length)) {
+                Py_ssize_t l = m->sq_length(o);
+                if (unlikely(l < 0)) return NULL;
+                i += l;
+            }
             return m->sq_item(o, i);
         }
     }
+#else
+    if (PySequence_Check(o)) {
+        return PySequence_GetItem(o, i);
+    }
+#endif
     return __Pyx_GetItemInt_Generic(o, PyInt_FromSsize_t(i));
 }
 
@@ -1495,11 +1524,10 @@ static CYTHON_INLINE PyObject* __Pyx_PyBoolOrNull_FromLong(long b) {
 
 static CYTHON_INLINE PyObject* __Pyx_PyObject_Append(PyObject* L, PyObject* x) {
     if (likely(PyList_CheckExact(L))) {
-        if (PyList_Append(L, x) < 0) return NULL;
+        if (unlikely(PyList_Append(L, x) < 0)) return NULL;
         Py_INCREF(Py_None);
         return Py_None; /* this is just to have an accurate signature */
-    }
-    else {
+    } else {
         PyObject *r, *m;
         m = __Pyx_GetAttrString(L, "append");
         if (!m) return NULL;
@@ -1515,9 +1543,11 @@ static CYTHON_INLINE long __Pyx_div_long(long, long); /* proto */
 
 static CYTHON_INLINE long __Pyx_mod_long(long, long); /* proto */
 
+static CYTHON_INLINE void __Pyx_RaiseTooManyValuesError(Py_ssize_t expected);
+
 static CYTHON_INLINE void __Pyx_RaiseNeedMoreValuesError(Py_ssize_t index);
 
-static CYTHON_INLINE void __Pyx_RaiseTooManyValuesError(Py_ssize_t expected);
+static CYTHON_INLINE int __Pyx_IterFinish(void); /*proto*/
 
 static int __Pyx_IternextUnpackEndCheck(PyObject *retval, Py_ssize_t expected); /*proto*/
 
@@ -1532,6 +1562,7 @@ static CYTHON_INLINE int __Pyx_SetItemInt_Generic(PyObject *o, PyObject *j, PyOb
     return r;
 }
 static CYTHON_INLINE int __Pyx_SetItemInt_Fast(PyObject *o, Py_ssize_t i, PyObject *v) {
+#if CYTHON_COMPILING_IN_CPYTHON
     if (PyList_CheckExact(o)) {
         Py_ssize_t n = (likely(i >= 0)) ? i : i + PyList_GET_SIZE(o);
         if (likely((n >= 0) & (n < PyList_GET_SIZE(o)))) {
@@ -1541,26 +1572,74 @@ static CYTHON_INLINE int __Pyx_SetItemInt_Fast(PyObject *o, Py_ssize_t i, PyObje
             Py_DECREF(old);
             return 1;
         }
-    }
-    else if (likely(i >= 0)) {
+    } else {  /* inlined PySequence_SetItem() */
         PySequenceMethods *m = Py_TYPE(o)->tp_as_sequence;
         if (likely(m && m->sq_ass_item)) {
+            if (unlikely(i < 0) && likely(m->sq_length)) {
+                Py_ssize_t l = m->sq_length(o);
+                if (unlikely(l < 0)) return -1;
+                i += l;
+            }
             return m->sq_ass_item(o, i, v);
         }
     }
+#else
+#if CYTHON_COMPILING_IN_PYPY
+    if (PySequence_Check(o) && !PyDict_Check(o)) {
+#else
+    if (PySequence_Check(o)) {
+#endif
+        return PySequence_SetItem(o, i, v);
+    }
+#endif
     return __Pyx_SetItemInt_Generic(o, PyInt_FromSsize_t(i), v);
 }
 
 static double __Pyx__PyObject_AsDouble(PyObject* obj); /* proto */
+#if CYTHON_COMPILING_IN_PYPY
+#define __Pyx_PyObject_AsDouble(obj) \
+(likely(PyFloat_CheckExact(obj)) ? PyFloat_AS_DOUBLE(obj) : \
+ likely(PyInt_CheckExact(obj)) ? \
+ PyFloat_AsDouble(obj) : __Pyx__PyObject_AsDouble(obj))
+#else
 #define __Pyx_PyObject_AsDouble(obj) \
 ((likely(PyFloat_CheckExact(obj))) ? \
  PyFloat_AS_DOUBLE(obj) : __Pyx__PyObject_AsDouble(obj))
+#endif
 
 static CYTHON_INLINE void __Pyx_RaiseUnboundLocalError(const char *varname);
 
 static int __Pyx_ArgTypeTest(PyObject *obj, PyTypeObject *type, int none_allowed,
     const char *name, int exact); /*proto*/
 
+#if CYTHON_COMPILING_IN_CPYTHON
+static CYTHON_INLINE int __Pyx_PyList_Append(PyObject* list, PyObject* x) {
+    PyListObject* L = (PyListObject*) list;
+    Py_ssize_t len = Py_SIZE(list);
+    if (likely(L->allocated > len)) {
+        Py_INCREF(x);
+        PyList_SET_ITEM(list, len, x);
+        Py_SIZE(list) = len+1;
+        return 0;
+    }
+    return PyList_Append(list, x);
+}
+#else
+#define __Pyx_PyList_Append(L,x) PyList_Append(L,x)
+#endif
+
+static CYTHON_INLINE void __Pyx_RaiseNoneNotIterableError(void);
+
+static void __Pyx_UnpackTupleError(PyObject *, Py_ssize_t index); /*proto*/
+
+static CYTHON_INLINE int __Pyx_unpack_tuple2(PyObject* tuple, PyObject** value1, PyObject** value2,
+                                             int is_tuple, int has_known_size, int decref_tuple);
+
+static CYTHON_INLINE PyObject* __Pyx_dict_iterator(PyObject* dict, int is_dict, PyObject* method_name,
+                                                   Py_ssize_t* p_orig_length, int* p_is_dict);
+static CYTHON_INLINE int __Pyx_dict_iter_next(PyObject* dict_or_iter, Py_ssize_t orig_length, Py_ssize_t* ppos,
+                                              PyObject** pkey, PyObject** pvalue, PyObject** pitem, int is_dict);
+
 #if PY_VERSION_HEX < 0x02050000
 #ifndef PyAnySet_CheckExact
 #define PyAnySet_CheckExact(ob) \
@@ -1594,15 +1673,9 @@ static CYTHON_INLINE int PySet_Add(PyObject *set, PyObject *key) {
 #endif /* PyAnySet_CheckExact (<= Py2.4) */
 #endif /* < Py2.5  */
 
-static CYTHON_INLINE void __Pyx_RaiseNoneIndexingError(void);
-
 #if PY_MAJOR_VERSION >= 3
 static PyObject *__Pyx_PyDict_GetItem(PyObject *d, PyObject* key) {
     PyObject *value;
-    if (unlikely(d == Py_None)) {
-        __Pyx_RaiseNoneIndexingError();
-        return NULL;
-    }
     value = PyDict_GetItemWithError(d, key);
     if (unlikely(!value)) {
         if (!PyErr_Occurred())
@@ -1712,6 +1785,7 @@ static CYTHON_INLINE void __Pyx_ExceptionSwap(PyObject **type, PyObject **value,
 
 #define __Pyx_Generator_USED
 #include <structmember.h>
+#include <frameobject.h>
 typedef PyObject *(*__pyx_generator_body_t)(PyObject *, PyObject *);
 typedef struct {
     PyObject_HEAD
@@ -1724,13 +1798,22 @@ typedef struct {
     PyObject *exc_traceback;
     PyObject *gi_weakreflist;
     PyObject *classobj;
+    PyObject *yieldfrom;
 } __pyx_GeneratorObject;
 static __pyx_GeneratorObject *__Pyx_Generator_New(__pyx_generator_body_t body,
                                                   PyObject *closure);
 static int __pyx_Generator_init(void);
+static int __Pyx_Generator_clear(PyObject* self);
+#if 1 || PY_VERSION_HEX < 0x030300B0
+static int __Pyx_PyGen_FetchStopIterationValue(PyObject **pvalue);
+#else
+#define __Pyx_PyGen_FetchStopIterationValue(pvalue) PyGen_FetchStopIterationValue(pvalue)
+#endif
 
 static int __Pyx_check_binary_version(void);
 
+static int __Pyx_ExportFunction(const char *name, void (*f)(void), const char *sig); /*proto*/
+
 static int __Pyx_SetVtable(PyObject *dict, void *vtable); /*proto*/
 
 typedef struct {
@@ -1761,76 +1844,80 @@ static int __Pyx_InitStrings(__Pyx_StringTabEntry *t); /*proto*/
 
 /* Module declarations from 'libc.math' */
 
-/* Module declarations from '_cdec_sa' */
-static PyTypeObject *__pyx_ptype_8_cdec_sa_FloatList = 0;
-static PyTypeObject *__pyx_ptype_8_cdec_sa_IntList = 0;
-static PyTypeObject *__pyx_ptype_8_cdec_sa_StringMap = 0;
-static PyTypeObject *__pyx_ptype_8_cdec_sa_DataArray = 0;
-static PyTypeObject *__pyx_ptype_8_cdec_sa_Alignment = 0;
-static PyTypeObject *__pyx_ptype_8_cdec_sa_BiLex = 0;
-static PyTypeObject *__pyx_ptype_8_cdec_sa_BitSetIterator = 0;
-static PyTypeObject *__pyx_ptype_8_cdec_sa_BitSet = 0;
-static PyTypeObject *__pyx_ptype_8_cdec_sa_VEBIterator = 0;
-static PyTypeObject *__pyx_ptype_8_cdec_sa_VEB = 0;
-static PyTypeObject *__pyx_ptype_8_cdec_sa_LCP = 0;
-static PyTypeObject *__pyx_ptype_8_cdec_sa_Alphabet = 0;
-static PyTypeObject *__pyx_ptype_8_cdec_sa_Phrase = 0;
-static PyTypeObject *__pyx_ptype_8_cdec_sa_Rule = 0;
-static PyTypeObject *__pyx_ptype_8_cdec_sa_TrieMap = 0;
-static PyTypeObject *__pyx_ptype_8_cdec_sa_Precomputation = 0;
-static PyTypeObject *__pyx_ptype_8_cdec_sa_SuffixArray = 0;
-static PyTypeObject *__pyx_ptype_8_cdec_sa_TrieNode = 0;
-static PyTypeObject *__pyx_ptype_8_cdec_sa_ExtendedTrieNode = 0;
-static PyTypeObject *__pyx_ptype_8_cdec_sa_TrieTable = 0;
-static PyTypeObject *__pyx_ptype_8_cdec_sa_PhraseLocation = 0;
-static PyTypeObject *__pyx_ptype_8_cdec_sa_Sampler = 0;
-static PyTypeObject *__pyx_ptype_8_cdec_sa_HieroCachingRuleFactory = 0;
-static PyTypeObject *__pyx_ptype_8_cdec_sa___pyx_scope_struct__compute_stats = 0;
-static PyTypeObject *__pyx_ptype_8_cdec_sa___pyx_scope_struct_1_input = 0;
-static int __pyx_v_8_cdec_sa_MIN_BOTTOM_SIZE;
-static int __pyx_v_8_cdec_sa_MIN_BOTTOM_BITS;
-static int __pyx_v_8_cdec_sa_LOWER_MASK[32];
-static int __pyx_v_8_cdec_sa_INDEX_SHIFT;
-static int __pyx_v_8_cdec_sa_INDEX_MASK;
-static struct __pyx_obj_8_cdec_sa_Alphabet *__pyx_v_8_cdec_sa_ALPHABET = 0;
-static int __pyx_v_8_cdec_sa_PRECOMPUTE;
-static int __pyx_v_8_cdec_sa_MERGE;
-static int __pyx_v_8_cdec_sa_BAEZA_YATES;
-static int __pyx_v_8_cdec_sa_EPSILON;
-static float __pyx_f_8_cdec_sa_monitor_cpu(void); /*proto*/
-static struct __pyx_t_8_cdec_sa__node *__pyx_f_8_cdec_sa_new_node(int); /*proto*/
-static PyObject *__pyx_f_8_cdec_sa_del_node(struct __pyx_t_8_cdec_sa__node *); /*proto*/
-static int *__pyx_f_8_cdec_sa_get_val(struct __pyx_t_8_cdec_sa__node *, int); /*proto*/
-static void __pyx_f_8_cdec_sa__init_lower_mask(void); /*proto*/
-static struct __pyx_t_8_cdec_sa__BitSet *__pyx_f_8_cdec_sa_new_BitSet(void); /*proto*/
-static int __pyx_f_8_cdec_sa_bitset_findsucc(struct __pyx_t_8_cdec_sa__BitSet *, int); /*proto*/
-static int __pyx_f_8_cdec_sa_bitset_insert(struct __pyx_t_8_cdec_sa__BitSet *, int); /*proto*/
-static int __pyx_f_8_cdec_sa_bitset_contains(struct __pyx_t_8_cdec_sa__BitSet *, int); /*proto*/
-static PyObject *__pyx_f_8_cdec_sa_dec2bin(long); /*proto*/
-static struct __pyx_t_8_cdec_sa__VEB *__pyx_f_8_cdec_sa_new_VEB(int); /*proto*/
-static int __pyx_f_8_cdec_sa_VEB_insert(struct __pyx_t_8_cdec_sa__VEB *, int); /*proto*/
-static PyObject *__pyx_f_8_cdec_sa_del_VEB(struct __pyx_t_8_cdec_sa__VEB *); /*proto*/
-static int __pyx_f_8_cdec_sa_VEB_findsucc(struct __pyx_t_8_cdec_sa__VEB *, int); /*proto*/
-static int __pyx_f_8_cdec_sa_VEB_contains(struct __pyx_t_8_cdec_sa__VEB *, int); /*proto*/
-static int __pyx_f_8_cdec_sa_sym_setindex(int, int); /*proto*/
-static struct __pyx_t_8_cdec_sa__Trie_Node *__pyx_f_8_cdec_sa_new_trie_node(void); /*proto*/
-static struct __pyx_t_8_cdec_sa__Trie_Edge *__pyx_f_8_cdec_sa_new_trie_edge(int); /*proto*/
-static PyObject *__pyx_f_8_cdec_sa_free_trie_node(struct __pyx_t_8_cdec_sa__Trie_Node *); /*proto*/
-static PyObject *__pyx_f_8_cdec_sa_free_trie_edge(struct __pyx_t_8_cdec_sa__Trie_Edge *); /*proto*/
-static struct __pyx_t_8_cdec_sa__Trie_Node *__pyx_f_8_cdec_sa_trie_find(struct __pyx_t_8_cdec_sa__Trie_Node *, int); /*proto*/
-static PyObject *__pyx_f_8_cdec_sa_trie_node_data_append(struct __pyx_t_8_cdec_sa__Trie_Node *, int); /*proto*/
-static struct __pyx_t_8_cdec_sa__Trie_Node *__pyx_f_8_cdec_sa_trie_insert(struct __pyx_t_8_cdec_sa__Trie_Node *, int); /*proto*/
-static PyObject *__pyx_f_8_cdec_sa_trie_node_to_map(struct __pyx_t_8_cdec_sa__Trie_Node *, PyObject *, PyObject *, int); /*proto*/
-static PyObject *__pyx_f_8_cdec_sa_trie_edge_to_map(struct __pyx_t_8_cdec_sa__Trie_Edge *, PyObject *, PyObject *, int); /*proto*/
-static void __pyx_f_8_cdec_sa_assign_matching(struct __pyx_t_8_cdec_sa_Matching *, int *, int, int, int *); /*proto*/
-static int *__pyx_f_8_cdec_sa_append_combined_matching(int *, struct __pyx_t_8_cdec_sa_Matching *, struct __pyx_t_8_cdec_sa_Matching *, int, int, int *); /*proto*/
-static int *__pyx_f_8_cdec_sa_extend_arr(int *, int *, int *, int); /*proto*/
-static int __pyx_f_8_cdec_sa_median(int, int, int); /*proto*/
-static void __pyx_f_8_cdec_sa_find_comparable_matchings(int, int, int *, int, int, int *, int *); /*proto*/
-#define __Pyx_MODULE_NAME "_cdec_sa"
-int __pyx_module_is_main__cdec_sa = 0;
-
-/* Implementation of '_cdec_sa' */
+/* Module declarations from '_sa' */
+static PyTypeObject *__pyx_ptype_3_sa_Phrase = 0;
+static PyTypeObject *__pyx_ptype_3_sa_Rule = 0;
+static PyTypeObject *__pyx_ptype_3_sa_FloatList = 0;
+static PyTypeObject *__pyx_ptype_3_sa_IntList = 0;
+static PyTypeObject *__pyx_ptype_3_sa_StringMap = 0;
+static PyTypeObject *__pyx_ptype_3_sa_DataArray = 0;
+static PyTypeObject *__pyx_ptype_3_sa_Alignment = 0;
+static PyTypeObject *__pyx_ptype_3_sa_BiLex = 0;
+static PyTypeObject *__pyx_ptype_3_sa_BitSetIterator = 0;
+static PyTypeObject *__pyx_ptype_3_sa_BitSet = 0;
+static PyTypeObject *__pyx_ptype_3_sa_VEBIterator = 0;
+static PyTypeObject *__pyx_ptype_3_sa_VEB = 0;
+static PyTypeObject *__pyx_ptype_3_sa_LCP = 0;
+static PyTypeObject *__pyx_ptype_3_sa_Alphabet = 0;
+static PyTypeObject *__pyx_ptype_3_sa_TrieMap = 0;
+static PyTypeObject *__pyx_ptype_3_sa_Precomputation = 0;
+static PyTypeObject *__pyx_ptype_3_sa_SuffixArray = 0;
+static PyTypeObject *__pyx_ptype_3_sa_TrieNode = 0;
+static PyTypeObject *__pyx_ptype_3_sa_ExtendedTrieNode = 0;
+static PyTypeObject *__pyx_ptype_3_sa_TrieTable = 0;
+static PyTypeObject *__pyx_ptype_3_sa_PhraseLocation = 0;
+static PyTypeObject *__pyx_ptype_3_sa_Sampler = 0;
+static PyTypeObject *__pyx_ptype_3_sa_HieroCachingRuleFactory = 0;
+static PyTypeObject *__pyx_ptype_3_sa___pyx_scope_struct__compute_stats = 0;
+static PyTypeObject *__pyx_ptype_3_sa___pyx_scope_struct_1___iter__ = 0;
+static PyTypeObject *__pyx_ptype_3_sa___pyx_scope_struct_2_input = 0;
+static int __pyx_v_3_sa_MIN_BOTTOM_SIZE;
+static int __pyx_v_3_sa_MIN_BOTTOM_BITS;
+static int __pyx_v_3_sa_LOWER_MASK[32];
+static int __pyx_v_3_sa_INDEX_SHIFT;
+static int __pyx_v_3_sa_INDEX_MASK;
+static struct __pyx_obj_3_sa_Alphabet *__pyx_v_3_sa_ALPHABET = 0;
+static int __pyx_v_3_sa_PRECOMPUTE;
+static int __pyx_v_3_sa_MERGE;
+static int __pyx_v_3_sa_BAEZA_YATES;
+static int __pyx_v_3_sa_EPSILON;
+static char *__pyx_f_3_sa_sym_tostring(int); /*proto*/
+static int __pyx_f_3_sa_sym_isvar(int); /*proto*/
+static int __pyx_f_3_sa_sym_getindex(int); /*proto*/
+static float __pyx_f_3_sa_monitor_cpu(void); /*proto*/
+static struct __pyx_t_3_sa__node *__pyx_f_3_sa_new_node(int); /*proto*/
+static PyObject *__pyx_f_3_sa_del_node(struct __pyx_t_3_sa__node *); /*proto*/
+static int *__pyx_f_3_sa_get_val(struct __pyx_t_3_sa__node *, int); /*proto*/
+static void __pyx_f_3_sa__init_lower_mask(void); /*proto*/
+static struct __pyx_t_3_sa__BitSet *__pyx_f_3_sa_new_BitSet(void); /*proto*/
+static int __pyx_f_3_sa_bitset_findsucc(struct __pyx_t_3_sa__BitSet *, int); /*proto*/
+static int __pyx_f_3_sa_bitset_insert(struct __pyx_t_3_sa__BitSet *, int); /*proto*/
+static int __pyx_f_3_sa_bitset_contains(struct __pyx_t_3_sa__BitSet *, int); /*proto*/
+static PyObject *__pyx_f_3_sa_dec2bin(long); /*proto*/
+static struct __pyx_t_3_sa__VEB *__pyx_f_3_sa_new_VEB(int); /*proto*/
+static int __pyx_f_3_sa_VEB_insert(struct __pyx_t_3_sa__VEB *, int); /*proto*/
+static PyObject *__pyx_f_3_sa_del_VEB(struct __pyx_t_3_sa__VEB *); /*proto*/
+static int __pyx_f_3_sa_VEB_findsucc(struct __pyx_t_3_sa__VEB *, int); /*proto*/
+static int __pyx_f_3_sa_VEB_contains(struct __pyx_t_3_sa__VEB *, int); /*proto*/
+static int __pyx_f_3_sa_sym_setindex(int, int); /*proto*/
+static struct __pyx_t_3_sa__Trie_Node *__pyx_f_3_sa_new_trie_node(void); /*proto*/
+static struct __pyx_t_3_sa__Trie_Edge *__pyx_f_3_sa_new_trie_edge(int); /*proto*/
+static PyObject *__pyx_f_3_sa_free_trie_node(struct __pyx_t_3_sa__Trie_Node *); /*proto*/
+static PyObject *__pyx_f_3_sa_free_trie_edge(struct __pyx_t_3_sa__Trie_Edge *); /*proto*/
+static struct __pyx_t_3_sa__Trie_Node *__pyx_f_3_sa_trie_find(struct __pyx_t_3_sa__Trie_Node *, int); /*proto*/
+static PyObject *__pyx_f_3_sa_trie_node_data_append(struct __pyx_t_3_sa__Trie_Node *, int); /*proto*/
+static struct __pyx_t_3_sa__Trie_Node *__pyx_f_3_sa_trie_insert(struct __pyx_t_3_sa__Trie_Node *, int); /*proto*/
+static PyObject *__pyx_f_3_sa_trie_node_to_map(struct __pyx_t_3_sa__Trie_Node *, PyObject *, PyObject *, int); /*proto*/
+static PyObject *__pyx_f_3_sa_trie_edge_to_map(struct __pyx_t_3_sa__Trie_Edge *, PyObject *, PyObject *, int); /*proto*/
+static void __pyx_f_3_sa_assign_matching(struct __pyx_t_3_sa_Matching *, int *, int, int, int *); /*proto*/
+static int *__pyx_f_3_sa_append_combined_matching(int *, struct __pyx_t_3_sa_Matching *, struct __pyx_t_3_sa_Matching *, int, int, int *); /*proto*/
+static int *__pyx_f_3_sa_extend_arr(int *, int *, int *, int); /*proto*/
+static int __pyx_f_3_sa_median(int, int, int); /*proto*/
+static void __pyx_f_3_sa_find_comparable_matchings(int, int, int *, int, int, int *, int *); /*proto*/
+#define __Pyx_MODULE_NAME "_sa"
+int __pyx_module_is_main__sa = 0;
+
+/* Implementation of '_sa' */
 static PyObject *__pyx_builtin_open;
 static PyObject *__pyx_builtin_IndexError;
 static PyObject *__pyx_builtin_range;
@@ -1843,187 +1930,186 @@ static PyObject *__pyx_builtin_StopIteration;
 static PyObject *__pyx_builtin_cmp;
 static PyObject *__pyx_builtin_ValueError;
 static PyObject *__pyx_builtin_sorted;
-static PyObject *__pyx_pf_8_cdec_sa_gzip_or_text(CYTHON_UNUSED PyObject *__pyx_self, char *__pyx_v_filename); /* proto */
-static int __pyx_pf_8_cdec_sa_9FloatList___cinit__(struct __pyx_obj_8_cdec_sa_FloatList *__pyx_v_self, int __pyx_v_size, int __pyx_v_increment, int __pyx_v_initial_len); /* proto */
-static void __pyx_pf_8_cdec_sa_9FloatList_2__dealloc__(struct __pyx_obj_8_cdec_sa_FloatList *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_9FloatList_4__getitem__(struct __pyx_obj_8_cdec_sa_FloatList *__pyx_v_self, PyObject *__pyx_v_i); /* proto */
-static int __pyx_pf_8_cdec_sa_9FloatList_6__setitem__(struct __pyx_obj_8_cdec_sa_FloatList *__pyx_v_self, PyObject *__pyx_v_i, PyObject *__pyx_v_val); /* proto */
-static Py_ssize_t __pyx_pf_8_cdec_sa_9FloatList_8__len__(struct __pyx_obj_8_cdec_sa_FloatList *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_9FloatList_10append(struct __pyx_obj_8_cdec_sa_FloatList *__pyx_v_self, float __pyx_v_val); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_9FloatList_12write(struct __pyx_obj_8_cdec_sa_FloatList *__pyx_v_self, char *__pyx_v_filename); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_9FloatList_14read(struct __pyx_obj_8_cdec_sa_FloatList *__pyx_v_self, char *__pyx_v_filename); /* proto */
-static int __pyx_pf_8_cdec_sa_7IntList___cinit__(struct __pyx_obj_8_cdec_sa_IntList *__pyx_v_self, int __pyx_v_size, int __pyx_v_increment, int __pyx_v_initial_len); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_7IntList_2__str__(struct __pyx_obj_8_cdec_sa_IntList *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_7IntList_4index(struct __pyx_obj_8_cdec_sa_IntList *__pyx_v_self, PyObject *__pyx_v_val); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_7IntList_6partition(struct __pyx_obj_8_cdec_sa_IntList *__pyx_v_self, PyObject *__pyx_v_start, PyObject *__pyx_v_end); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_7IntList_8_doquicksort(struct __pyx_obj_8_cdec_sa_IntList *__pyx_v_self, PyObject *__pyx_v_start, PyObject *__pyx_v_end); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_7IntList_10sort(struct __pyx_obj_8_cdec_sa_IntList *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_7IntList_12reset(struct __pyx_obj_8_cdec_sa_IntList *__pyx_v_self); /* proto */
-static void __pyx_pf_8_cdec_sa_7IntList_14__dealloc__(struct __pyx_obj_8_cdec_sa_IntList *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_7IntList_16__getitem__(struct __pyx_obj_8_cdec_sa_IntList *__pyx_v_self, PyObject *__pyx_v_index); /* proto */
-static int __pyx_pf_8_cdec_sa_7IntList_18__setitem__(struct __pyx_obj_8_cdec_sa_IntList *__pyx_v_self, PyObject *__pyx_v_i, PyObject *__pyx_v_val); /* proto */
-static Py_ssize_t __pyx_pf_8_cdec_sa_7IntList_20__len__(struct __pyx_obj_8_cdec_sa_IntList *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_7IntList_22getSize(struct __pyx_obj_8_cdec_sa_IntList *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_7IntList_24append(struct __pyx_obj_8_cdec_sa_IntList *__pyx_v_self, int __pyx_v_val); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_7IntList_26extend(struct __pyx_obj_8_cdec_sa_IntList *__pyx_v_self, PyObject *__pyx_v_other); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_7IntList_28write(struct __pyx_obj_8_cdec_sa_IntList *__pyx_v_self, char *__pyx_v_filename); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_7IntList_30read(struct __pyx_obj_8_cdec_sa_IntList *__pyx_v_self, char *__pyx_v_filename); /* proto */
-static int __pyx_pf_8_cdec_sa_9StringMap___cinit__(struct __pyx_obj_8_cdec_sa_StringMap *__pyx_v_self); /* proto */
-static void __pyx_pf_8_cdec_sa_9StringMap_2__dealloc__(struct __pyx_obj_8_cdec_sa_StringMap *__pyx_v_self); /* proto */
-static int __pyx_pf_8_cdec_sa_9DataArray___cinit__(struct __pyx_obj_8_cdec_sa_DataArray *__pyx_v_self, PyObject *__pyx_v_from_binary, PyObject *__pyx_v_from_text, int __pyx_v_use_sent_id); /* proto */
-static Py_ssize_t __pyx_pf_8_cdec_sa_9DataArray_2__len__(struct __pyx_obj_8_cdec_sa_DataArray *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_9DataArray_4getSentId(struct __pyx_obj_8_cdec_sa_DataArray *__pyx_v_self, PyObject *__pyx_v_i); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_9DataArray_6getSent(struct __pyx_obj_8_cdec_sa_DataArray *__pyx_v_self, PyObject *__pyx_v_i); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_9DataArray_8getSentPos(struct __pyx_obj_8_cdec_sa_DataArray *__pyx_v_self, PyObject *__pyx_v_loc); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_9DataArray_10get_id(struct __pyx_obj_8_cdec_sa_DataArray *__pyx_v_self, PyObject *__pyx_v_word); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_9DataArray_12get_word(struct __pyx_obj_8_cdec_sa_DataArray *__pyx_v_self, PyObject *__pyx_v_id); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_9DataArray_14write_text(struct __pyx_obj_8_cdec_sa_DataArray *__pyx_v_self, char *__pyx_v_filename); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_9DataArray_16read_text(struct __pyx_obj_8_cdec_sa_DataArray *__pyx_v_self, char *__pyx_v_filename); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_9DataArray_18read_binary(struct __pyx_obj_8_cdec_sa_DataArray *__pyx_v_self, char *__pyx_v_filename); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_9DataArray_20write_binary(struct __pyx_obj_8_cdec_sa_DataArray *__pyx_v_self, char *__pyx_v_filename); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_9DataArray_22write_enhanced_handle(struct __pyx_obj_8_cdec_sa_DataArray *__pyx_v_self, PyObject *__pyx_v_f); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_9DataArray_24write_enhanced(struct __pyx_obj_8_cdec_sa_DataArray *__pyx_v_self, char *__pyx_v_filename); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_9Alignment_unlink(CYTHON_UNUSED struct __pyx_obj_8_cdec_sa_Alignment *__pyx_v_self, PyObject *__pyx_v_link); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_9Alignment_2get_sent_links(struct __pyx_obj_8_cdec_sa_Alignment *__pyx_v_self, int __pyx_v_sent_id); /* proto */
-static int __pyx_pf_8_cdec_sa_9Alignment_4__cinit__(struct __pyx_obj_8_cdec_sa_Alignment *__pyx_v_self, PyObject *__pyx_v_from_binary, PyObject *__pyx_v_from_text); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_9Alignment_6read_text(struct __pyx_obj_8_cdec_sa_Alignment *__pyx_v_self, char *__pyx_v_filename); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_9Alignment_8read_binary(struct __pyx_obj_8_cdec_sa_Alignment *__pyx_v_self, char *__pyx_v_filename); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_9Alignment_10write_text(struct __pyx_obj_8_cdec_sa_Alignment *__pyx_v_self, char *__pyx_v_filename); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_9Alignment_12write_binary(struct __pyx_obj_8_cdec_sa_Alignment *__pyx_v_self, char *__pyx_v_filename); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_9Alignment_14write_enhanced(struct __pyx_obj_8_cdec_sa_Alignment *__pyx_v_self, char *__pyx_v_filename); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_9Alignment_16alignment(struct __pyx_obj_8_cdec_sa_Alignment *__pyx_v_self, PyObject *__pyx_v_i); /* proto */
-static int __pyx_pf_8_cdec_sa_5BiLex___cinit__(struct __pyx_obj_8_cdec_sa_BiLex *__pyx_v_self, PyObject *__pyx_v_from_text, PyObject *__pyx_v_from_data, PyObject *__pyx_v_from_binary, PyObject *__pyx_v_earray, PyObject *__pyx_v_fsarray, PyObject *__pyx_v_alignment); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_5BiLex_2write_binary(struct __pyx_obj_8_cdec_sa_BiLex *__pyx_v_self, char *__pyx_v_filename); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_5BiLex_4read_binary(struct __pyx_obj_8_cdec_sa_BiLex *__pyx_v_self, char *__pyx_v_filename); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_5BiLex_6get_e_id(struct __pyx_obj_8_cdec_sa_BiLex *__pyx_v_self, PyObject *__pyx_v_eword); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_5BiLex_8get_f_id(struct __pyx_obj_8_cdec_sa_BiLex *__pyx_v_self, PyObject *__pyx_v_fword); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_5BiLex_10read_text(struct __pyx_obj_8_cdec_sa_BiLex *__pyx_v_self, char *__pyx_v_filename); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_5BiLex_12write_enhanced(struct __pyx_obj_8_cdec_sa_BiLex *__pyx_v_self, char *__pyx_v_filename); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_5BiLex_14get_score(struct __pyx_obj_8_cdec_sa_BiLex *__pyx_v_self, PyObject *__pyx_v_fword, PyObject *__pyx_v_eword, PyObject *__pyx_v_col); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_5BiLex_16write_text(struct __pyx_obj_8_cdec_sa_BiLex *__pyx_v_self, char *__pyx_v_filename); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_14BitSetIterator___next__(struct __pyx_obj_8_cdec_sa_BitSetIterator *__pyx_v_self); /* proto */
-static int __pyx_pf_8_cdec_sa_6BitSet___cinit__(struct __pyx_obj_8_cdec_sa_BitSet *__pyx_v_self); /* proto */
-static void __pyx_pf_8_cdec_sa_6BitSet_2__dealloc__(struct __pyx_obj_8_cdec_sa_BitSet *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_6BitSet_4__iter__(struct __pyx_obj_8_cdec_sa_BitSet *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_6BitSet_6insert(struct __pyx_obj_8_cdec_sa_BitSet *__pyx_v_self, PyObject *__pyx_v_i); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_6BitSet_8findsucc(struct __pyx_obj_8_cdec_sa_BitSet *__pyx_v_self, PyObject *__pyx_v_i); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_6BitSet_10__str__(struct __pyx_obj_8_cdec_sa_BitSet *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_6BitSet_12min(struct __pyx_obj_8_cdec_sa_BitSet *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_6BitSet_14max(struct __pyx_obj_8_cdec_sa_BitSet *__pyx_v_self); /* proto */
-static Py_ssize_t __pyx_pf_8_cdec_sa_6BitSet_16__len__(struct __pyx_obj_8_cdec_sa_BitSet *__pyx_v_self); /* proto */
-static int __pyx_pf_8_cdec_sa_6BitSet_18__contains__(struct __pyx_obj_8_cdec_sa_BitSet *__pyx_v_self, PyObject *__pyx_v_i); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_11VEBIterator___next__(struct __pyx_obj_8_cdec_sa_VEBIterator *__pyx_v_self); /* proto */
-static int __pyx_pf_8_cdec_sa_3VEB___cinit__(struct __pyx_obj_8_cdec_sa_VEB *__pyx_v_self, int __pyx_v_size); /* proto */
-static void __pyx_pf_8_cdec_sa_3VEB_2__dealloc__(struct __pyx_obj_8_cdec_sa_VEB *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_3VEB_4__iter__(struct __pyx_obj_8_cdec_sa_VEB *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_3VEB_6insert(struct __pyx_obj_8_cdec_sa_VEB *__pyx_v_self, PyObject *__pyx_v_i); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_3VEB_8findsucc(struct __pyx_obj_8_cdec_sa_VEB *__pyx_v_self, PyObject *__pyx_v_i); /* proto */
-static Py_ssize_t __pyx_pf_8_cdec_sa_3VEB_10__len__(struct __pyx_obj_8_cdec_sa_VEB *__pyx_v_self); /* proto */
-static int __pyx_pf_8_cdec_sa_3VEB_12__contains__(struct __pyx_obj_8_cdec_sa_VEB *__pyx_v_self, PyObject *__pyx_v_i); /* proto */
-static int __pyx_pf_8_cdec_sa_3LCP___cinit__(struct __pyx_obj_8_cdec_sa_LCP *__pyx_v_self, struct __pyx_obj_8_cdec_sa_SuffixArray *__pyx_v_sa); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_3LCP_2compute_stats(struct __pyx_obj_8_cdec_sa_LCP *__pyx_v_self, int __pyx_v_max_n); /* proto */
-static int __pyx_pf_8_cdec_sa_8Alphabet___cinit__(struct __pyx_obj_8_cdec_sa_Alphabet *__pyx_v_self); /* proto */
-static void __pyx_pf_8_cdec_sa_8Alphabet_2__dealloc__(CYTHON_UNUSED struct __pyx_obj_8_cdec_sa_Alphabet *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_8Alphabet_9terminals___get__(struct __pyx_obj_8_cdec_sa_Alphabet *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_8Alphabet_12nonterminals___get__(struct __pyx_obj_8_cdec_sa_Alphabet *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_2sym_tostring(CYTHON_UNUSED PyObject *__pyx_self, int __pyx_v_sym); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_4sym_fromstring(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_string, int __pyx_v_terminal); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_6sym_isvar(CYTHON_UNUSED PyObject *__pyx_self, int __pyx_v_sym); /* proto */
-static int __pyx_pf_8_cdec_sa_6Phrase___cinit__(struct __pyx_obj_8_cdec_sa_Phrase *__pyx_v_self, PyObject *__pyx_v_words); /* proto */
-static void __pyx_pf_8_cdec_sa_6Phrase_2__dealloc__(struct __pyx_obj_8_cdec_sa_Phrase *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_6Phrase_4__str__(struct __pyx_obj_8_cdec_sa_Phrase *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_6Phrase_6handle(struct __pyx_obj_8_cdec_sa_Phrase *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_6Phrase_8strhandle(struct __pyx_obj_8_cdec_sa_Phrase *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_6Phrase_10arity(struct __pyx_obj_8_cdec_sa_Phrase *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_6Phrase_12getvarpos(struct __pyx_obj_8_cdec_sa_Phrase *__pyx_v_self, PyObject *__pyx_v_i); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_6Phrase_14getvar(struct __pyx_obj_8_cdec_sa_Phrase *__pyx_v_self, PyObject *__pyx_v_i); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_6Phrase_16clen(struct __pyx_obj_8_cdec_sa_Phrase *__pyx_v_self, PyObject *__pyx_v_k); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_6Phrase_18getchunk(struct __pyx_obj_8_cdec_sa_Phrase *__pyx_v_self, PyObject *__pyx_v_ci); /* proto */
+static PyObject *__pyx_pf_3_sa_gzip_or_text(CYTHON_UNUSED PyObject *__pyx_self, char *__pyx_v_filename); /* proto */
+static int __pyx_pf_3_sa_9FloatList___cinit__(struct __pyx_obj_3_sa_FloatList *__pyx_v_self, int __pyx_v_size, int __pyx_v_increment, int __pyx_v_initial_len); /* proto */
+static void __pyx_pf_3_sa_9FloatList_2__dealloc__(struct __pyx_obj_3_sa_FloatList *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_3_sa_9FloatList_4__getitem__(struct __pyx_obj_3_sa_FloatList *__pyx_v_self, PyObject *__pyx_v_i); /* proto */
+static int __pyx_pf_3_sa_9FloatList_6__setitem__(struct __pyx_obj_3_sa_FloatList *__pyx_v_self, PyObject *__pyx_v_i, PyObject *__pyx_v_val); /* proto */
+static Py_ssize_t __pyx_pf_3_sa_9FloatList_8__len__(struct __pyx_obj_3_sa_FloatList *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_3_sa_9FloatList_10append(struct __pyx_obj_3_sa_FloatList *__pyx_v_self, float __pyx_v_val); /* proto */
+static PyObject *__pyx_pf_3_sa_9FloatList_12write(struct __pyx_obj_3_sa_FloatList *__pyx_v_self, char *__pyx_v_filename); /* proto */
+static PyObject *__pyx_pf_3_sa_9FloatList_14read(struct __pyx_obj_3_sa_FloatList *__pyx_v_self, char *__pyx_v_filename); /* proto */
+static int __pyx_pf_3_sa_7IntList___cinit__(struct __pyx_obj_3_sa_IntList *__pyx_v_self, int __pyx_v_size, int __pyx_v_increment, int __pyx_v_initial_len); /* proto */
+static PyObject *__pyx_pf_3_sa_7IntList_2__str__(struct __pyx_obj_3_sa_IntList *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_3_sa_7IntList_4index(struct __pyx_obj_3_sa_IntList *__pyx_v_self, PyObject *__pyx_v_val); /* proto */
+static PyObject *__pyx_pf_3_sa_7IntList_6partition(struct __pyx_obj_3_sa_IntList *__pyx_v_self, PyObject *__pyx_v_start, PyObject *__pyx_v_end); /* proto */
+static PyObject *__pyx_pf_3_sa_7IntList_8_doquicksort(struct __pyx_obj_3_sa_IntList *__pyx_v_self, PyObject *__pyx_v_start, PyObject *__pyx_v_end); /* proto */
+static PyObject *__pyx_pf_3_sa_7IntList_10sort(struct __pyx_obj_3_sa_IntList *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_3_sa_7IntList_12reset(struct __pyx_obj_3_sa_IntList *__pyx_v_self); /* proto */
+static void __pyx_pf_3_sa_7IntList_14__dealloc__(struct __pyx_obj_3_sa_IntList *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_3_sa_7IntList_16__getitem__(struct __pyx_obj_3_sa_IntList *__pyx_v_self, PyObject *__pyx_v_index); /* proto */
+static int __pyx_pf_3_sa_7IntList_18__setitem__(struct __pyx_obj_3_sa_IntList *__pyx_v_self, PyObject *__pyx_v_i, PyObject *__pyx_v_val); /* proto */
+static Py_ssize_t __pyx_pf_3_sa_7IntList_20__len__(struct __pyx_obj_3_sa_IntList *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_3_sa_7IntList_22getSize(struct __pyx_obj_3_sa_IntList *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_3_sa_7IntList_24append(struct __pyx_obj_3_sa_IntList *__pyx_v_self, int __pyx_v_val); /* proto */
+static PyObject *__pyx_pf_3_sa_7IntList_26extend(struct __pyx_obj_3_sa_IntList *__pyx_v_self, PyObject *__pyx_v_other); /* proto */
+static PyObject *__pyx_pf_3_sa_7IntList_28write(struct __pyx_obj_3_sa_IntList *__pyx_v_self, char *__pyx_v_filename); /* proto */
+static PyObject *__pyx_pf_3_sa_7IntList_30read(struct __pyx_obj_3_sa_IntList *__pyx_v_self, char *__pyx_v_filename); /* proto */
+static int __pyx_pf_3_sa_9StringMap___cinit__(struct __pyx_obj_3_sa_StringMap *__pyx_v_self); /* proto */
+static void __pyx_pf_3_sa_9StringMap_2__dealloc__(struct __pyx_obj_3_sa_StringMap *__pyx_v_self); /* proto */
+static int __pyx_pf_3_sa_9DataArray___cinit__(struct __pyx_obj_3_sa_DataArray *__pyx_v_self, PyObject *__pyx_v_from_binary, PyObject *__pyx_v_from_text, int __pyx_v_use_sent_id); /* proto */
+static Py_ssize_t __pyx_pf_3_sa_9DataArray_2__len__(struct __pyx_obj_3_sa_DataArray *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_3_sa_9DataArray_4getSentId(struct __pyx_obj_3_sa_DataArray *__pyx_v_self, PyObject *__pyx_v_i); /* proto */
+static PyObject *__pyx_pf_3_sa_9DataArray_6getSent(struct __pyx_obj_3_sa_DataArray *__pyx_v_self, PyObject *__pyx_v_i); /* proto */
+static PyObject *__pyx_pf_3_sa_9DataArray_8getSentPos(struct __pyx_obj_3_sa_DataArray *__pyx_v_self, PyObject *__pyx_v_loc); /* proto */
+static PyObject *__pyx_pf_3_sa_9DataArray_10get_id(struct __pyx_obj_3_sa_DataArray *__pyx_v_self, PyObject *__pyx_v_word); /* proto */
+static PyObject *__pyx_pf_3_sa_9DataArray_12get_word(struct __pyx_obj_3_sa_DataArray *__pyx_v_self, PyObject *__pyx_v_id); /* proto */
+static PyObject *__pyx_pf_3_sa_9DataArray_14write_text(struct __pyx_obj_3_sa_DataArray *__pyx_v_self, char *__pyx_v_filename); /* proto */
+static PyObject *__pyx_pf_3_sa_9DataArray_16read_text(struct __pyx_obj_3_sa_DataArray *__pyx_v_self, char *__pyx_v_filename); /* proto */
+static PyObject *__pyx_pf_3_sa_9DataArray_18read_binary(struct __pyx_obj_3_sa_DataArray *__pyx_v_self, char *__pyx_v_filename); /* proto */
+static PyObject *__pyx_pf_3_sa_9DataArray_20write_binary(struct __pyx_obj_3_sa_DataArray *__pyx_v_self, char *__pyx_v_filename); /* proto */
+static PyObject *__pyx_pf_3_sa_9DataArray_22write_enhanced_handle(struct __pyx_obj_3_sa_DataArray *__pyx_v_self, PyObject *__pyx_v_f); /* proto */
+static PyObject *__pyx_pf_3_sa_9DataArray_24write_enhanced(struct __pyx_obj_3_sa_DataArray *__pyx_v_self, char *__pyx_v_filename); /* proto */
+static PyObject *__pyx_pf_3_sa_9Alignment_unlink(CYTHON_UNUSED struct __pyx_obj_3_sa_Alignment *__pyx_v_self, PyObject *__pyx_v_link); /* proto */
+static PyObject *__pyx_pf_3_sa_9Alignment_2get_sent_links(struct __pyx_obj_3_sa_Alignment *__pyx_v_self, int __pyx_v_sent_id); /* proto */
+static int __pyx_pf_3_sa_9Alignment_4__cinit__(struct __pyx_obj_3_sa_Alignment *__pyx_v_self, PyObject *__pyx_v_from_binary, PyObject *__pyx_v_from_text); /* proto */
+static PyObject *__pyx_pf_3_sa_9Alignment_6read_text(struct __pyx_obj_3_sa_Alignment *__pyx_v_self, char *__pyx_v_filename); /* proto */
+static PyObject *__pyx_pf_3_sa_9Alignment_8read_binary(struct __pyx_obj_3_sa_Alignment *__pyx_v_self, char *__pyx_v_filename); /* proto */
+static PyObject *__pyx_pf_3_sa_9Alignment_10write_text(struct __pyx_obj_3_sa_Alignment *__pyx_v_self, char *__pyx_v_filename); /* proto */
+static PyObject *__pyx_pf_3_sa_9Alignment_12write_binary(struct __pyx_obj_3_sa_Alignment *__pyx_v_self, char *__pyx_v_filename); /* proto */
+static PyObject *__pyx_pf_3_sa_9Alignment_14write_enhanced(struct __pyx_obj_3_sa_Alignment *__pyx_v_self, char *__pyx_v_filename); /* proto */
+static PyObject *__pyx_pf_3_sa_9Alignment_16alignment(struct __pyx_obj_3_sa_Alignment *__pyx_v_self, PyObject *__pyx_v_i); /* proto */
+static int __pyx_pf_3_sa_5BiLex___cinit__(struct __pyx_obj_3_sa_BiLex *__pyx_v_self, PyObject *__pyx_v_from_text, PyObject *__pyx_v_from_data, PyObject *__pyx_v_from_binary, PyObject *__pyx_v_earray, PyObject *__pyx_v_fsarray, PyObject *__pyx_v_alignment); /* proto */
+static PyObject *__pyx_pf_3_sa_5BiLex_2write_binary(struct __pyx_obj_3_sa_BiLex *__pyx_v_self, char *__pyx_v_filename); /* proto */
+static PyObject *__pyx_pf_3_sa_5BiLex_4read_binary(struct __pyx_obj_3_sa_BiLex *__pyx_v_self, char *__pyx_v_filename); /* proto */
+static PyObject *__pyx_pf_3_sa_5BiLex_6get_e_id(struct __pyx_obj_3_sa_BiLex *__pyx_v_self, PyObject *__pyx_v_eword); /* proto */
+static PyObject *__pyx_pf_3_sa_5BiLex_8get_f_id(struct __pyx_obj_3_sa_BiLex *__pyx_v_self, PyObject *__pyx_v_fword); /* proto */
+static PyObject *__pyx_pf_3_sa_5BiLex_10read_text(struct __pyx_obj_3_sa_BiLex *__pyx_v_self, char *__pyx_v_filename); /* proto */
+static PyObject *__pyx_pf_3_sa_5BiLex_12write_enhanced(struct __pyx_obj_3_sa_BiLex *__pyx_v_self, char *__pyx_v_filename); /* proto */
+static PyObject *__pyx_pf_3_sa_5BiLex_14get_score(struct __pyx_obj_3_sa_BiLex *__pyx_v_self, PyObject *__pyx_v_fword, PyObject *__pyx_v_eword, PyObject *__pyx_v_col); /* proto */
+static PyObject *__pyx_pf_3_sa_5BiLex_16write_text(struct __pyx_obj_3_sa_BiLex *__pyx_v_self, char *__pyx_v_filename); /* proto */
+static PyObject *__pyx_pf_3_sa_14BitSetIterator___next__(struct __pyx_obj_3_sa_BitSetIterator *__pyx_v_self); /* proto */
+static int __pyx_pf_3_sa_6BitSet___cinit__(struct __pyx_obj_3_sa_BitSet *__pyx_v_self); /* proto */
+static void __pyx_pf_3_sa_6BitSet_2__dealloc__(struct __pyx_obj_3_sa_BitSet *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_3_sa_6BitSet_4__iter__(struct __pyx_obj_3_sa_BitSet *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_3_sa_6BitSet_6insert(struct __pyx_obj_3_sa_BitSet *__pyx_v_self, PyObject *__pyx_v_i); /* proto */
+static PyObject *__pyx_pf_3_sa_6BitSet_8findsucc(struct __pyx_obj_3_sa_BitSet *__pyx_v_self, PyObject *__pyx_v_i); /* proto */
+static PyObject *__pyx_pf_3_sa_6BitSet_10__str__(struct __pyx_obj_3_sa_BitSet *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_3_sa_6BitSet_12min(struct __pyx_obj_3_sa_BitSet *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_3_sa_6BitSet_14max(struct __pyx_obj_3_sa_BitSet *__pyx_v_self); /* proto */
+static Py_ssize_t __pyx_pf_3_sa_6BitSet_16__len__(struct __pyx_obj_3_sa_BitSet *__pyx_v_self); /* proto */
+static int __pyx_pf_3_sa_6BitSet_18__contains__(struct __pyx_obj_3_sa_BitSet *__pyx_v_self, PyObject *__pyx_v_i); /* proto */
+static PyObject *__pyx_pf_3_sa_11VEBIterator___next__(struct __pyx_obj_3_sa_VEBIterator *__pyx_v_self); /* proto */
+static int __pyx_pf_3_sa_3VEB___cinit__(struct __pyx_obj_3_sa_VEB *__pyx_v_self, int __pyx_v_size); /* proto */
+static void __pyx_pf_3_sa_3VEB_2__dealloc__(struct __pyx_obj_3_sa_VEB *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_3_sa_3VEB_4__iter__(struct __pyx_obj_3_sa_VEB *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_3_sa_3VEB_6insert(struct __pyx_obj_3_sa_VEB *__pyx_v_self, PyObject *__pyx_v_i); /* proto */
+static PyObject *__pyx_pf_3_sa_3VEB_8findsucc(struct __pyx_obj_3_sa_VEB *__pyx_v_self, PyObject *__pyx_v_i); /* proto */
+static Py_ssize_t __pyx_pf_3_sa_3VEB_10__len__(struct __pyx_obj_3_sa_VEB *__pyx_v_self); /* proto */
+static int __pyx_pf_3_sa_3VEB_12__contains__(struct __pyx_obj_3_sa_VEB *__pyx_v_self, PyObject *__pyx_v_i); /* proto */
+static int __pyx_pf_3_sa_3LCP___cinit__(struct __pyx_obj_3_sa_LCP *__pyx_v_self, struct __pyx_obj_3_sa_SuffixArray *__pyx_v_sa); /* proto */
+static PyObject *__pyx_pf_3_sa_3LCP_2compute_stats(struct __pyx_obj_3_sa_LCP *__pyx_v_self, int __pyx_v_max_n); /* proto */
+static int __pyx_pf_3_sa_8Alphabet___cinit__(struct __pyx_obj_3_sa_Alphabet *__pyx_v_self); /* proto */
+static void __pyx_pf_3_sa_8Alphabet_2__dealloc__(CYTHON_UNUSED struct __pyx_obj_3_sa_Alphabet *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_3_sa_8Alphabet_9terminals___get__(struct __pyx_obj_3_sa_Alphabet *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_3_sa_8Alphabet_12nonterminals___get__(struct __pyx_obj_3_sa_Alphabet *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_3_sa_2sym_fromstring(CYTHON_UNUSED PyObject *__pyx_self, char *__pyx_v_string, int __pyx_v_terminal); /* proto */
+static int __pyx_pf_3_sa_6Phrase___cinit__(struct __pyx_obj_3_sa_Phrase *__pyx_v_self, PyObject *__pyx_v_words); /* proto */
+static void __pyx_pf_3_sa_6Phrase_2__dealloc__(struct __pyx_obj_3_sa_Phrase *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_3_sa_6Phrase_4__str__(struct __pyx_obj_3_sa_Phrase *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_3_sa_6Phrase_6handle(struct __pyx_obj_3_sa_Phrase *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_3_sa_6Phrase_8strhandle(struct __pyx_obj_3_sa_Phrase *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_3_sa_6Phrase_10arity(struct __pyx_obj_3_sa_Phrase *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_3_sa_6Phrase_12getvarpos(struct __pyx_obj_3_sa_Phrase *__pyx_v_self, PyObject *__pyx_v_i); /* proto */
+static PyObject *__pyx_pf_3_sa_6Phrase_14getvar(struct __pyx_obj_3_sa_Phrase *__pyx_v_self, PyObject *__pyx_v_i); /* proto */
+static PyObject *__pyx_pf_3_sa_6Phrase_16clen(struct __pyx_obj_3_sa_Phrase *__pyx_v_self, PyObject *__pyx_v_k); /* proto */
+static PyObject *__pyx_pf_3_sa_6Phrase_18getchunk(struct __pyx_obj_3_sa_Phrase *__pyx_v_self, PyObject *__pyx_v_ci); /* proto */
 #if PY_MAJOR_VERSION < 3
-static int __pyx_pf_8_cdec_sa_6Phrase_20__cmp__(struct __pyx_obj_8_cdec_sa_Phrase *__pyx_v_self, PyObject *__pyx_v_other); /* proto */
+static int __pyx_pf_3_sa_6Phrase_20__cmp__(struct __pyx_obj_3_sa_Phrase *__pyx_v_self, PyObject *__pyx_v_other); /* proto */
 #endif
-static Py_hash_t __pyx_pf_8_cdec_sa_6Phrase_22__hash__(struct __pyx_obj_8_cdec_sa_Phrase *__pyx_v_self); /* proto */
-static Py_ssize_t __pyx_pf_8_cdec_sa_6Phrase_24__len__(struct __pyx_obj_8_cdec_sa_Phrase *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_6Phrase_26__getitem__(struct __pyx_obj_8_cdec_sa_Phrase *__pyx_v_self, PyObject *__pyx_v_i); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_6Phrase_28__iter__(struct __pyx_obj_8_cdec_sa_Phrase *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_6Phrase_30subst(struct __pyx_obj_8_cdec_sa_Phrase *__pyx_v_self, PyObject *__pyx_v_start, PyObject *__pyx_v_children); /* proto */
-static int __pyx_pf_8_cdec_sa_4Rule___cinit__(struct __pyx_obj_8_cdec_sa_Rule *__pyx_v_self, int __pyx_v_lhs, struct __pyx_obj_8_cdec_sa_Phrase *__pyx_v_f, struct __pyx_obj_8_cdec_sa_Phrase *__pyx_v_e, PyObject *__pyx_v_scores, PyObject *__pyx_v_word_alignments); /* proto */
-static void __pyx_pf_8_cdec_sa_4Rule_2__dealloc__(struct __pyx_obj_8_cdec_sa_Rule *__pyx_v_self); /* proto */
-static Py_hash_t __pyx_pf_8_cdec_sa_4Rule_4__hash__(struct __pyx_obj_8_cdec_sa_Rule *__pyx_v_self); /* proto */
+static Py_hash_t __pyx_pf_3_sa_6Phrase_22__hash__(struct __pyx_obj_3_sa_Phrase *__pyx_v_self); /* proto */
+static Py_ssize_t __pyx_pf_3_sa_6Phrase_24__len__(struct __pyx_obj_3_sa_Phrase *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_3_sa_6Phrase_26__getitem__(struct __pyx_obj_3_sa_Phrase *__pyx_v_self, PyObject *__pyx_v_i); /* proto */
+static PyObject *__pyx_pf_3_sa_6Phrase_28__iter__(struct __pyx_obj_3_sa_Phrase *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_3_sa_6Phrase_31subst(struct __pyx_obj_3_sa_Phrase *__pyx_v_self, PyObject *__pyx_v_start, PyObject *__pyx_v_children); /* proto */
+static PyObject *__pyx_pf_3_sa_6Phrase_5words___get__(struct __pyx_obj_3_sa_Phrase *__pyx_v_self); /* proto */
+static int __pyx_pf_3_sa_4Rule___cinit__(struct __pyx_obj_3_sa_Rule *__pyx_v_self, int __pyx_v_lhs, struct __pyx_obj_3_sa_Phrase *__pyx_v_f, struct __pyx_obj_3_sa_Phrase *__pyx_v_e, PyObject *__pyx_v_scores, PyObject *__pyx_v_word_alignments); /* proto */
+static void __pyx_pf_3_sa_4Rule_2__dealloc__(struct __pyx_obj_3_sa_Rule *__pyx_v_self); /* proto */
+static Py_hash_t __pyx_pf_3_sa_4Rule_4__hash__(struct __pyx_obj_3_sa_Rule *__pyx_v_self); /* proto */
 #if PY_MAJOR_VERSION < 3
-static int __pyx_pf_8_cdec_sa_4Rule_6__cmp__(struct __pyx_obj_8_cdec_sa_Rule *__pyx_v_self, struct __pyx_obj_8_cdec_sa_Rule *__pyx_v_other); /* proto */
+static int __pyx_pf_3_sa_4Rule_6__cmp__(struct __pyx_obj_3_sa_Rule *__pyx_v_self, struct __pyx_obj_3_sa_Rule *__pyx_v_other); /* proto */
 #endif
-static PyObject *__pyx_pf_8_cdec_sa_4Rule_8__iadd__(struct __pyx_obj_8_cdec_sa_Rule *__pyx_v_self, struct __pyx_obj_8_cdec_sa_Rule *__pyx_v_other); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_4Rule_10fmerge(struct __pyx_obj_8_cdec_sa_Rule *__pyx_v_self, struct __pyx_obj_8_cdec_sa_Phrase *__pyx_v_f); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_4Rule_12arity(struct __pyx_obj_8_cdec_sa_Rule *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_4Rule_14__str__(struct __pyx_obj_8_cdec_sa_Rule *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_4Rule_6scores___get__(struct __pyx_obj_8_cdec_sa_Rule *__pyx_v_self); /* proto */
-static int __pyx_pf_8_cdec_sa_4Rule_6scores_2__set__(struct __pyx_obj_8_cdec_sa_Rule *__pyx_v_self, PyObject *__pyx_v_s); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_4Rule_3lhs___get__(struct __pyx_obj_8_cdec_sa_Rule *__pyx_v_self); /* proto */
-static int __pyx_pf_8_cdec_sa_4Rule_3lhs_2__set__(struct __pyx_obj_8_cdec_sa_Rule *__pyx_v_self, PyObject *__pyx_v_value); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_4Rule_1f___get__(struct __pyx_obj_8_cdec_sa_Rule *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_4Rule_1e___get__(struct __pyx_obj_8_cdec_sa_Rule *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_4Rule_15word_alignments___get__(struct __pyx_obj_8_cdec_sa_Rule *__pyx_v_self); /* proto */
-static int __pyx_pf_8_cdec_sa_4Rule_15word_alignments_2__set__(struct __pyx_obj_8_cdec_sa_Rule *__pyx_v_self, PyObject *__pyx_v_value); /* proto */
-static int __pyx_pf_8_cdec_sa_4Rule_15word_alignments_4__del__(struct __pyx_obj_8_cdec_sa_Rule *__pyx_v_self); /* proto */
-static int __pyx_pf_8_cdec_sa_7TrieMap___cinit__(struct __pyx_obj_8_cdec_sa_TrieMap *__pyx_v_self, int __pyx_v_alphabet_size); /* proto */
-static void __pyx_pf_8_cdec_sa_7TrieMap_2__dealloc__(struct __pyx_obj_8_cdec_sa_TrieMap *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_7TrieMap_4insert(struct __pyx_obj_8_cdec_sa_TrieMap *__pyx_v_self, PyObject *__pyx_v_pattern); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_7TrieMap_6contains(struct __pyx_obj_8_cdec_sa_TrieMap *__pyx_v_self, PyObject *__pyx_v_pattern); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_7TrieMap_8toMap(struct __pyx_obj_8_cdec_sa_TrieMap *__pyx_v_self, PyObject *__pyx_v_flag); /* proto */
-static int __pyx_pf_8_cdec_sa_14Precomputation___cinit__(struct __pyx_obj_8_cdec_sa_Precomputation *__pyx_v_self, PyObject *__pyx_v_fsarray, PyObject *__pyx_v_from_stats, PyObject *__pyx_v_from_binary, PyObject *__pyx_v_precompute_rank, PyObject *__pyx_v_precompute_secondary_rank, PyObject *__pyx_v_max_length, PyObject *__pyx_v_max_nonterminals, PyObject *__pyx_v_train_max_initial_size, PyObject *__pyx_v_train_min_gap_size); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_14Precomputation_2read_binary(struct __pyx_obj_8_cdec_sa_Precomputation *__pyx_v_self, char *__pyx_v_filename); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_14Precomputation_4write_binary(struct __pyx_obj_8_cdec_sa_Precomputation *__pyx_v_self, char *__pyx_v_filename); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_14Precomputation_6precompute(struct __pyx_obj_8_cdec_sa_Precomputation *__pyx_v_self, PyObject *__pyx_v_stats, struct __pyx_obj_8_cdec_sa_SuffixArray *__pyx_v_sarray); /* proto */
-static int __pyx_pf_8_cdec_sa_11SuffixArray___cinit__(struct __pyx_obj_8_cdec_sa_SuffixArray *__pyx_v_self, PyObject *__pyx_v_from_binary, PyObject *__pyx_v_from_text); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_11SuffixArray_2__getitem__(struct __pyx_obj_8_cdec_sa_SuffixArray *__pyx_v_self, PyObject *__pyx_v_i); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_11SuffixArray_4getSentId(struct __pyx_obj_8_cdec_sa_SuffixArray *__pyx_v_self, PyObject *__pyx_v_i); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_11SuffixArray_6getSent(struct __pyx_obj_8_cdec_sa_SuffixArray *__pyx_v_self, PyObject *__pyx_v_i); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_11SuffixArray_8getSentPos(struct __pyx_obj_8_cdec_sa_SuffixArray *__pyx_v_self, PyObject *__pyx_v_loc); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_11SuffixArray_10read_text(struct __pyx_obj_8_cdec_sa_SuffixArray *__pyx_v_self, char *__pyx_v_filename); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_11SuffixArray_12q3sort(struct __pyx_obj_8_cdec_sa_SuffixArray *__pyx_v_self, int __pyx_v_i, int __pyx_v_j, int __pyx_v_h, struct __pyx_obj_8_cdec_sa_IntList *__pyx_v_isa, PyObject *__pyx_v_pad); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_11SuffixArray_14write_text(struct __pyx_obj_8_cdec_sa_SuffixArray *__pyx_v_self, char *__pyx_v_filename); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_11SuffixArray_16read_binary(struct __pyx_obj_8_cdec_sa_SuffixArray *__pyx_v_self, char *__pyx_v_filename); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_11SuffixArray_18write_binary(struct __pyx_obj_8_cdec_sa_SuffixArray *__pyx_v_self, char *__pyx_v_filename); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_11SuffixArray_20write_enhanced(struct __pyx_obj_8_cdec_sa_SuffixArray *__pyx_v_self, char *__pyx_v_filename); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_11SuffixArray_22lookup(struct __pyx_obj_8_cdec_sa_SuffixArray *__pyx_v_self, PyObject *__pyx_v_word, int __pyx_v_offset, int __pyx_v_low, int __pyx_v_high); /* proto */
-static int __pyx_pf_8_cdec_sa_8TrieNode___cinit__(struct __pyx_obj_8_cdec_sa_TrieNode *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_8TrieNode_8children___get__(struct __pyx_obj_8_cdec_sa_TrieNode *__pyx_v_self); /* proto */
-static int __pyx_pf_8_cdec_sa_8TrieNode_8children_2__set__(struct __pyx_obj_8_cdec_sa_TrieNode *__pyx_v_self, PyObject *__pyx_v_value); /* proto */
-static int __pyx_pf_8_cdec_sa_8TrieNode_8children_4__del__(struct __pyx_obj_8_cdec_sa_TrieNode *__pyx_v_self); /* proto */
-static int __pyx_pf_8_cdec_sa_16ExtendedTrieNode___cinit__(struct __pyx_obj_8_cdec_sa_ExtendedTrieNode *__pyx_v_self, PyObject *__pyx_v_phrase, PyObject *__pyx_v_phrase_location, PyObject *__pyx_v_suffix_link); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_16ExtendedTrieNode_6phrase___get__(struct __pyx_obj_8_cdec_sa_ExtendedTrieNode *__pyx_v_self); /* proto */
-static int __pyx_pf_8_cdec_sa_16ExtendedTrieNode_6phrase_2__set__(struct __pyx_obj_8_cdec_sa_ExtendedTrieNode *__pyx_v_self, PyObject *__pyx_v_value); /* proto */
-static int __pyx_pf_8_cdec_sa_16ExtendedTrieNode_6phrase_4__del__(struct __pyx_obj_8_cdec_sa_ExtendedTrieNode *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_16ExtendedTrieNode_15phrase_location___get__(struct __pyx_obj_8_cdec_sa_ExtendedTrieNode *__pyx_v_self); /* proto */
-static int __pyx_pf_8_cdec_sa_16ExtendedTrieNode_15phrase_location_2__set__(struct __pyx_obj_8_cdec_sa_ExtendedTrieNode *__pyx_v_self, PyObject *__pyx_v_value); /* proto */
-static int __pyx_pf_8_cdec_sa_16ExtendedTrieNode_15phrase_location_4__del__(struct __pyx_obj_8_cdec_sa_ExtendedTrieNode *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_16ExtendedTrieNode_11suffix_link___get__(struct __pyx_obj_8_cdec_sa_ExtendedTrieNode *__pyx_v_self); /* proto */
-static int __pyx_pf_8_cdec_sa_16ExtendedTrieNode_11suffix_link_2__set__(struct __pyx_obj_8_cdec_sa_ExtendedTrieNode *__pyx_v_self, PyObject *__pyx_v_value); /* proto */
-static int __pyx_pf_8_cdec_sa_16ExtendedTrieNode_11suffix_link_4__del__(struct __pyx_obj_8_cdec_sa_ExtendedTrieNode *__pyx_v_self); /* proto */
-static int __pyx_pf_8_cdec_sa_9TrieTable___cinit__(struct __pyx_obj_8_cdec_sa_TrieTable *__pyx_v_self, PyObject *__pyx_v_extended); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_9TrieTable_8extended___get__(struct __pyx_obj_8_cdec_sa_TrieTable *__pyx_v_self); /* proto */
-static int __pyx_pf_8_cdec_sa_9TrieTable_8extended_2__set__(struct __pyx_obj_8_cdec_sa_TrieTable *__pyx_v_self, PyObject *__pyx_v_value); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_9TrieTable_5count___get__(struct __pyx_obj_8_cdec_sa_TrieTable *__pyx_v_self); /* proto */
-static int __pyx_pf_8_cdec_sa_9TrieTable_5count_2__set__(struct __pyx_obj_8_cdec_sa_TrieTable *__pyx_v_self, PyObject *__pyx_v_value); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_9TrieTable_4root___get__(struct __pyx_obj_8_cdec_sa_TrieTable *__pyx_v_self); /* proto */
-static int __pyx_pf_8_cdec_sa_9TrieTable_4root_2__set__(struct __pyx_obj_8_cdec_sa_TrieTable *__pyx_v_self, PyObject *__pyx_v_value); /* proto */
-static int __pyx_pf_8_cdec_sa_9TrieTable_4root_4__del__(struct __pyx_obj_8_cdec_sa_TrieTable *__pyx_v_self); /* proto */
-static int __pyx_pf_8_cdec_sa_14PhraseLocation___cinit__(struct __pyx_obj_8_cdec_sa_PhraseLocation *__pyx_v_self, int __pyx_v_sa_low, int __pyx_v_sa_high, int __pyx_v_arr_low, int __pyx_v_arr_high, PyObject *__pyx_v_arr, int __pyx_v_num_subpatterns); /* proto */
-static int __pyx_pf_8_cdec_sa_7Sampler___cinit__(struct __pyx_obj_8_cdec_sa_Sampler *__pyx_v_self, int __pyx_v_sample_size, struct __pyx_obj_8_cdec_sa_SuffixArray *__pyx_v_fsarray); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_7Sampler_2sample(struct __pyx_obj_8_cdec_sa_Sampler *__pyx_v_self, struct __pyx_obj_8_cdec_sa_PhraseLocation *__pyx_v_phrase_location); /* proto */
-static int __pyx_pf_8_cdec_sa_23HieroCachingRuleFactory___cinit__(struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *__pyx_v_self, struct __pyx_obj_8_cdec_sa_Alignment *__pyx_v_alignment, float __pyx_v_by_slack_factor, char *__pyx_v_category, PyObject *__pyx_v_max_chunks, unsigned int __pyx_v_max_initial_size, unsigned int __pyx_v_max_length, unsigned int __pyx_v_max_nonterminals, PyObject *__pyx_v_max_target_chunks, PyObject *__pyx_v_max_target_length, unsigned int __pyx_v_min_gap_size, PyObject *__pyx_v_precompute_file, unsigned int __pyx_v_precompute_secondary_rank, unsigned int __pyx_v_precompute_rank, int __pyx_v_require_aligned_terminal, int __pyx_v_require_aligned_chunks, unsigned int __pyx_v_train_max_initial_size, unsigned int __pyx_v_train_min_gap_size, int __pyx_v_tight_phrases, int __pyx_v_use_baeza_yates, int __pyx_v_use_collocations, int __pyx_v_use_index); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_23HieroCachingRuleFactory_2configure(struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *__pyx_v_self, struct __pyx_obj_8_cdec_sa_SuffixArray *__pyx_v_fsarray, struct __pyx_obj_8_cdec_sa_DataArray *__pyx_v_edarray, struct __pyx_obj_8_cdec_sa_Sampler *__pyx_v_sampler); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_23HieroCachingRuleFactory_4pattern2phrase(struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *__pyx_v_self, PyObject *__pyx_v_pattern); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_23HieroCachingRuleFactory_6pattern2phrase_plus(struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *__pyx_v_self, PyObject *__pyx_v_pattern); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_23HieroCachingRuleFactory_8precompute(struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_23HieroCachingRuleFactory_10get_precomputed_collocation(struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *__pyx_v_self, PyObject *__pyx_v_phrase); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_23HieroCachingRuleFactory_12advance(struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *__pyx_v_self, PyObject *__pyx_v_frontier, PyObject *__pyx_v_res, PyObject *__pyx_v_fwords); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_23HieroCachingRuleFactory_14get_all_nodes_isteps_away(struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *__pyx_v_self, PyObject *__pyx_v_skip, PyObject *__pyx_v_i, PyObject *__pyx_v_spanlen, PyObject *__pyx_v_pathlen, PyObject *__pyx_v_fwords, PyObject *__pyx_v_next_states, PyObject *__pyx_v_reachable_buffer); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_23HieroCachingRuleFactory_16reachable(struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *__pyx_v_self, PyObject *__pyx_v_fwords, PyObject *__pyx_v_ifrom, PyObject *__pyx_v_dist); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_23HieroCachingRuleFactory_18shortest(struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *__pyx_v_self, PyObject *__pyx_v_fwords, PyObject *__pyx_v_ifrom, PyObject *__pyx_v_ito); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_23HieroCachingRuleFactory_20get_next_states(struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *__pyx_v_self, PyObject *__pyx_v__columns, PyObject *__pyx_v_curr_idx, PyObject *__pyx_v_min_dist); /* proto */
-static PyObject *__pyx_pf_8_cdec_sa_23HieroCachingRuleFactory_22input(struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *__pyx_v_self, PyObject *__pyx_v_fwords, PyObject *__pyx_v_models); /* proto */
+static PyObject *__pyx_pf_3_sa_4Rule_8__iadd__(struct __pyx_obj_3_sa_Rule *__pyx_v_self, struct __pyx_obj_3_sa_Rule *__pyx_v_other); /* proto */
+static PyObject *__pyx_pf_3_sa_4Rule_10fmerge(struct __pyx_obj_3_sa_Rule *__pyx_v_self, struct __pyx_obj_3_sa_Phrase *__pyx_v_f); /* proto */
+static PyObject *__pyx_pf_3_sa_4Rule_12arity(struct __pyx_obj_3_sa_Rule *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_3_sa_4Rule_14__str__(struct __pyx_obj_3_sa_Rule *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_3_sa_4Rule_6scores___get__(struct __pyx_obj_3_sa_Rule *__pyx_v_self); /* proto */
+static int __pyx_pf_3_sa_4Rule_6scores_2__set__(struct __pyx_obj_3_sa_Rule *__pyx_v_self, PyObject *__pyx_v_s); /* proto */
+static PyObject *__pyx_pf_3_sa_4Rule_3lhs___get__(struct __pyx_obj_3_sa_Rule *__pyx_v_self); /* proto */
+static int __pyx_pf_3_sa_4Rule_3lhs_2__set__(struct __pyx_obj_3_sa_Rule *__pyx_v_self, PyObject *__pyx_v_value); /* proto */
+static PyObject *__pyx_pf_3_sa_4Rule_1f___get__(struct __pyx_obj_3_sa_Rule *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_3_sa_4Rule_1e___get__(struct __pyx_obj_3_sa_Rule *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_3_sa_4Rule_15word_alignments___get__(struct __pyx_obj_3_sa_Rule *__pyx_v_self); /* proto */
+static int __pyx_pf_3_sa_4Rule_15word_alignments_2__set__(struct __pyx_obj_3_sa_Rule *__pyx_v_self, PyObject *__pyx_v_value); /* proto */
+static int __pyx_pf_3_sa_4Rule_15word_alignments_4__del__(struct __pyx_obj_3_sa_Rule *__pyx_v_self); /* proto */
+static int __pyx_pf_3_sa_7TrieMap___cinit__(struct __pyx_obj_3_sa_TrieMap *__pyx_v_self, int __pyx_v_alphabet_size); /* proto */
+static void __pyx_pf_3_sa_7TrieMap_2__dealloc__(struct __pyx_obj_3_sa_TrieMap *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_3_sa_7TrieMap_4insert(struct __pyx_obj_3_sa_TrieMap *__pyx_v_self, PyObject *__pyx_v_pattern); /* proto */
+static PyObject *__pyx_pf_3_sa_7TrieMap_6contains(struct __pyx_obj_3_sa_TrieMap *__pyx_v_self, PyObject *__pyx_v_pattern); /* proto */
+static PyObject *__pyx_pf_3_sa_7TrieMap_8toMap(struct __pyx_obj_3_sa_TrieMap *__pyx_v_self, PyObject *__pyx_v_flag); /* proto */
+static int __pyx_pf_3_sa_14Precomputation___cinit__(struct __pyx_obj_3_sa_Precomputation *__pyx_v_self, PyObject *__pyx_v_fsarray, PyObject *__pyx_v_from_stats, PyObject *__pyx_v_from_binary, PyObject *__pyx_v_precompute_rank, PyObject *__pyx_v_precompute_secondary_rank, PyObject *__pyx_v_max_length, PyObject *__pyx_v_max_nonterminals, PyObject *__pyx_v_train_max_initial_size, PyObject *__pyx_v_train_min_gap_size); /* proto */
+static PyObject *__pyx_pf_3_sa_14Precomputation_2read_binary(struct __pyx_obj_3_sa_Precomputation *__pyx_v_self, char *__pyx_v_filename); /* proto */
+static PyObject *__pyx_pf_3_sa_14Precomputation_4write_binary(struct __pyx_obj_3_sa_Precomputation *__pyx_v_self, char *__pyx_v_filename); /* proto */
+static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_sa_Precomputation *__pyx_v_self, PyObject *__pyx_v_stats, struct __pyx_obj_3_sa_SuffixArray *__pyx_v_sarray); /* proto */
+static int __pyx_pf_3_sa_11SuffixArray___cinit__(struct __pyx_obj_3_sa_SuffixArray *__pyx_v_self, PyObject *__pyx_v_from_binary, PyObject *__pyx_v_from_text); /* proto */
+static PyObject *__pyx_pf_3_sa_11SuffixArray_2__getitem__(struct __pyx_obj_3_sa_SuffixArray *__pyx_v_self, PyObject *__pyx_v_i); /* proto */
+static PyObject *__pyx_pf_3_sa_11SuffixArray_4getSentId(struct __pyx_obj_3_sa_SuffixArray *__pyx_v_self, PyObject *__pyx_v_i); /* proto */
+static PyObject *__pyx_pf_3_sa_11SuffixArray_6getSent(struct __pyx_obj_3_sa_SuffixArray *__pyx_v_self, PyObject *__pyx_v_i); /* proto */
+static PyObject *__pyx_pf_3_sa_11SuffixArray_8getSentPos(struct __pyx_obj_3_sa_SuffixArray *__pyx_v_self, PyObject *__pyx_v_loc); /* proto */
+static PyObject *__pyx_pf_3_sa_11SuffixArray_10read_text(struct __pyx_obj_3_sa_SuffixArray *__pyx_v_self, char *__pyx_v_filename); /* proto */
+static PyObject *__pyx_pf_3_sa_11SuffixArray_12q3sort(struct __pyx_obj_3_sa_SuffixArray *__pyx_v_self, int __pyx_v_i, int __pyx_v_j, int __pyx_v_h, struct __pyx_obj_3_sa_IntList *__pyx_v_isa, PyObject *__pyx_v_pad); /* proto */
+static PyObject *__pyx_pf_3_sa_11SuffixArray_14write_text(struct __pyx_obj_3_sa_SuffixArray *__pyx_v_self, char *__pyx_v_filename); /* proto */
+static PyObject *__pyx_pf_3_sa_11SuffixArray_16read_binary(struct __pyx_obj_3_sa_SuffixArray *__pyx_v_self, char *__pyx_v_filename); /* proto */
+static PyObject *__pyx_pf_3_sa_11SuffixArray_18write_binary(struct __pyx_obj_3_sa_SuffixArray *__pyx_v_self, char *__pyx_v_filename); /* proto */
+static PyObject *__pyx_pf_3_sa_11SuffixArray_20write_enhanced(struct __pyx_obj_3_sa_SuffixArray *__pyx_v_self, char *__pyx_v_filename); /* proto */
+static PyObject *__pyx_pf_3_sa_11SuffixArray_22lookup(struct __pyx_obj_3_sa_SuffixArray *__pyx_v_self, PyObject *__pyx_v_word, int __pyx_v_offset, int __pyx_v_low, int __pyx_v_high); /* proto */
+static int __pyx_pf_3_sa_8TrieNode___cinit__(struct __pyx_obj_3_sa_TrieNode *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_3_sa_8TrieNode_8children___get__(struct __pyx_obj_3_sa_TrieNode *__pyx_v_self); /* proto */
+static int __pyx_pf_3_sa_8TrieNode_8children_2__set__(struct __pyx_obj_3_sa_TrieNode *__pyx_v_self, PyObject *__pyx_v_value); /* proto */
+static int __pyx_pf_3_sa_8TrieNode_8children_4__del__(struct __pyx_obj_3_sa_TrieNode *__pyx_v_self); /* proto */
+static int __pyx_pf_3_sa_16ExtendedTrieNode___cinit__(struct __pyx_obj_3_sa_ExtendedTrieNode *__pyx_v_self, PyObject *__pyx_v_phrase, PyObject *__pyx_v_phrase_location, PyObject *__pyx_v_suffix_link); /* proto */
+static PyObject *__pyx_pf_3_sa_16ExtendedTrieNode_6phrase___get__(struct __pyx_obj_3_sa_ExtendedTrieNode *__pyx_v_self); /* proto */
+static int __pyx_pf_3_sa_16ExtendedTrieNode_6phrase_2__set__(struct __pyx_obj_3_sa_ExtendedTrieNode *__pyx_v_self, PyObject *__pyx_v_value); /* proto */
+static int __pyx_pf_3_sa_16ExtendedTrieNode_6phrase_4__del__(struct __pyx_obj_3_sa_ExtendedTrieNode *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_3_sa_16ExtendedTrieNode_15phrase_location___get__(struct __pyx_obj_3_sa_ExtendedTrieNode *__pyx_v_self); /* proto */
+static int __pyx_pf_3_sa_16ExtendedTrieNode_15phrase_location_2__set__(struct __pyx_obj_3_sa_ExtendedTrieNode *__pyx_v_self, PyObject *__pyx_v_value); /* proto */
+static int __pyx_pf_3_sa_16ExtendedTrieNode_15phrase_location_4__del__(struct __pyx_obj_3_sa_ExtendedTrieNode *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_3_sa_16ExtendedTrieNode_11suffix_link___get__(struct __pyx_obj_3_sa_ExtendedTrieNode *__pyx_v_self); /* proto */
+static int __pyx_pf_3_sa_16ExtendedTrieNode_11suffix_link_2__set__(struct __pyx_obj_3_sa_ExtendedTrieNode *__pyx_v_self, PyObject *__pyx_v_value); /* proto */
+static int __pyx_pf_3_sa_16ExtendedTrieNode_11suffix_link_4__del__(struct __pyx_obj_3_sa_ExtendedTrieNode *__pyx_v_self); /* proto */
+static int __pyx_pf_3_sa_9TrieTable___cinit__(struct __pyx_obj_3_sa_TrieTable *__pyx_v_self, PyObject *__pyx_v_extended); /* proto */
+static PyObject *__pyx_pf_3_sa_9TrieTable_8extended___get__(struct __pyx_obj_3_sa_TrieTable *__pyx_v_self); /* proto */
+static int __pyx_pf_3_sa_9TrieTable_8extended_2__set__(struct __pyx_obj_3_sa_TrieTable *__pyx_v_self, PyObject *__pyx_v_value); /* proto */
+static PyObject *__pyx_pf_3_sa_9TrieTable_5count___get__(struct __pyx_obj_3_sa_TrieTable *__pyx_v_self); /* proto */
+static int __pyx_pf_3_sa_9TrieTable_5count_2__set__(struct __pyx_obj_3_sa_TrieTable *__pyx_v_self, PyObject *__pyx_v_value); /* proto */
+static PyObject *__pyx_pf_3_sa_9TrieTable_4root___get__(struct __pyx_obj_3_sa_TrieTable *__pyx_v_self); /* proto */
+static int __pyx_pf_3_sa_9TrieTable_4root_2__set__(struct __pyx_obj_3_sa_TrieTable *__pyx_v_self, PyObject *__pyx_v_value); /* proto */
+static int __pyx_pf_3_sa_9TrieTable_4root_4__del__(struct __pyx_obj_3_sa_TrieTable *__pyx_v_self); /* proto */
+static int __pyx_pf_3_sa_14PhraseLocation___cinit__(struct __pyx_obj_3_sa_PhraseLocation *__pyx_v_self, int __pyx_v_sa_low, int __pyx_v_sa_high, int __pyx_v_arr_low, int __pyx_v_arr_high, PyObject *__pyx_v_arr, int __pyx_v_num_subpatterns); /* proto */
+static int __pyx_pf_3_sa_7Sampler___cinit__(struct __pyx_obj_3_sa_Sampler *__pyx_v_self, int __pyx_v_sample_size, struct __pyx_obj_3_sa_SuffixArray *__pyx_v_fsarray); /* proto */
+static PyObject *__pyx_pf_3_sa_7Sampler_2sample(struct __pyx_obj_3_sa_Sampler *__pyx_v_self, struct __pyx_obj_3_sa_PhraseLocation *__pyx_v_phrase_location); /* proto */
+static int __pyx_pf_3_sa_23HieroCachingRuleFactory___cinit__(struct __pyx_obj_3_sa_HieroCachingRuleFactory *__pyx_v_self, struct __pyx_obj_3_sa_Alignment *__pyx_v_alignment, float __pyx_v_by_slack_factor, char *__pyx_v_category, PyObject *__pyx_v_max_chunks, unsigned int __pyx_v_max_initial_size, unsigned int __pyx_v_max_length, unsigned int __pyx_v_max_nonterminals, PyObject *__pyx_v_max_target_chunks, PyObject *__pyx_v_max_target_length, unsigned int __pyx_v_min_gap_size, PyObject *__pyx_v_precompute_file, unsigned int __pyx_v_precompute_secondary_rank, unsigned int __pyx_v_precompute_rank, int __pyx_v_require_aligned_terminal, int __pyx_v_require_aligned_chunks, unsigned int __pyx_v_train_max_initial_size, unsigned int __pyx_v_train_min_gap_size, int __pyx_v_tight_phrases, int __pyx_v_use_baeza_yates, int __pyx_v_use_collocations, int __pyx_v_use_index); /* proto */
+static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_2configure(struct __pyx_obj_3_sa_HieroCachingRuleFactory *__pyx_v_self, struct __pyx_obj_3_sa_SuffixArray *__pyx_v_fsarray, struct __pyx_obj_3_sa_DataArray *__pyx_v_edarray, struct __pyx_obj_3_sa_Sampler *__pyx_v_sampler); /* proto */
+static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_4pattern2phrase(struct __pyx_obj_3_sa_HieroCachingRuleFactory *__pyx_v_self, PyObject *__pyx_v_pattern); /* proto */
+static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_6pattern2phrase_plus(struct __pyx_obj_3_sa_HieroCachingRuleFactory *__pyx_v_self, PyObject *__pyx_v_pattern); /* proto */
+static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_8precompute(struct __pyx_obj_3_sa_HieroCachingRuleFactory *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_10get_precomputed_collocation(struct __pyx_obj_3_sa_HieroCachingRuleFactory *__pyx_v_self, PyObject *__pyx_v_phrase); /* proto */
+static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_12advance(struct __pyx_obj_3_sa_HieroCachingRuleFactory *__pyx_v_self, PyObject *__pyx_v_frontier, PyObject *__pyx_v_res, PyObject *__pyx_v_fwords); /* proto */
+static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_14get_all_nodes_isteps_away(struct __pyx_obj_3_sa_HieroCachingRuleFactory *__pyx_v_self, PyObject *__pyx_v_skip, PyObject *__pyx_v_i, PyObject *__pyx_v_spanlen, PyObject *__pyx_v_pathlen, PyObject *__pyx_v_fwords, PyObject *__pyx_v_next_states, PyObject *__pyx_v_reachable_buffer); /* proto */
+static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_16reachable(struct __pyx_obj_3_sa_HieroCachingRuleFactory *__pyx_v_self, PyObject *__pyx_v_fwords, PyObject *__pyx_v_ifrom, PyObject *__pyx_v_dist); /* proto */
+static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_18shortest(struct __pyx_obj_3_sa_HieroCachingRuleFactory *__pyx_v_self, PyObject *__pyx_v_fwords, PyObject *__pyx_v_ifrom, PyObject *__pyx_v_ito); /* proto */
+static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_20get_next_states(struct __pyx_obj_3_sa_HieroCachingRuleFactory *__pyx_v_self, PyObject *__pyx_v__columns, PyObject *__pyx_v_curr_idx, PyObject *__pyx_v_min_dist); /* proto */
+static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_22input(struct __pyx_obj_3_sa_HieroCachingRuleFactory *__pyx_v_self, PyObject *__pyx_v_fwords, PyObject *__pyx_v_models); /* proto */
 static char __pyx_k_1[] = ".gz";
 static char __pyx_k_2[] = "Requested index %d of %d-length FloatList";
 static char __pyx_k_3[] = "IntList[";
@@ -2116,12 +2202,13 @@ static char __pyx_k_128[] = "Inside edges of following subphrase are not tight";
 static char __pyx_k_129[] = "Subphrase [%d, %d] failed integrity check";
 static char __pyx_k_130[] = "Didn't extract anything from [%d, %d] -> [%d, %d]";
 static char __pyx_k_131[] = "Unable to extract basic phrase";
-static char __pyx_k_134[] = "/Users/vchahun/Sandbox/cdec/python/src/sa/_cdec_sa.pyx";
+static char __pyx_k_134[] = "/Users/vchahun/Sandbox/cdec/python/src/sa/_sa.pyx";
 static char __pyx_k_135[] = "cdec.sa";
 static char __pyx_k_139[] = "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi";
-static char __pyx_k_144[] = "*EPS*";
+static char __pyx_k_140[] = "*EPS*";
 static char __pyx_k__gc[] = "gc";
 static char __pyx_k__sa[] = "sa";
+static char __pyx_k___sa[] = "_sa";
 static char __pyx_k__arr[] = "arr";
 static char __pyx_k__cmp[] = "cmp";
 static char __pyx_k__col[] = "col";
@@ -2133,7 +2220,6 @@ static char __pyx_k__low[] = "low";
 static char __pyx_k__map[] = "map";
 static char __pyx_k__pad[] = "pad";
 static char __pyx_k__res[] = "res";
-static char __pyx_k__sym[] = "sym";
 static char __pyx_k__zip[] = "zip";
 static char __pyx_k__NULL[] = "NULL";
 static char __pyx_k__dist[] = "dist";
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 static char __pyx_k__arr_high[] = "arr_high";
 static char __pyx_k__category[] = "category";
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 static char __pyx_k__partition[] = "partition";
 static char __pyx_k__reachable[] = "reachable";
 static char __pyx_k__read_text[] = "read_text";
-static char __pyx_k__sym_isvar[] = "sym_isvar";
 static char __pyx_k__use_index[] = "use_index";
 static char __pyx_k__IndexError[] = "IndexError";
 static char __pyx_k__ValueError[] = "ValueError";
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 static char __pyx_k__gzip_or_text[] = "gzip_or_text";
 static char __pyx_k__min_gap_size[] = "min_gap_size";
-static char __pyx_k__sym_tostring[] = "sym_tostring";
 static char __pyx_k__StopIteration[] = "StopIteration";
 static char __pyx_k__alphabet_size[] = "alphabet_size";
 static char __pyx_k__tight_phrases[] = "tight_phrases";
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 static PyObject *__pyx_kp_s_139;
 static PyObject *__pyx_kp_s_14;
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+static PyObject *__pyx_kp_s_140;
 static PyObject *__pyx_kp_s_18;
 static PyObject *__pyx_kp_s_2;
 static PyObject *__pyx_kp_s_22;
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-static PyObject *__pyx_n_s___cdec_sa;
 static PyObject *__pyx_n_s___columns;
 static PyObject *__pyx_n_s___doquicksort;
+static PyObject *__pyx_n_s___sa;
 static PyObject *__pyx_n_s__advance;
 static PyObject *__pyx_n_s__alignment;
 static PyObject *__pyx_n_s__alphabet_size;
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 static PyObject *__pyx_n_s__stop;
 static PyObject *__pyx_n_s__string;
 static PyObject *__pyx_n_s__suffix_link;
-static PyObject *__pyx_n_s__sym;
 static PyObject *__pyx_n_s__sym_fromstring;
-static PyObject *__pyx_n_s__sym_isvar;
-static PyObject *__pyx_n_s__sym_tostring;
 static PyObject *__pyx_n_s__terminal;
 static PyObject *__pyx_n_s__tight_phrases;
 static PyObject *__pyx_n_s__toMap;
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 static PyObject *__pyx_k_tuple_136;
 static PyObject *__pyx_k_tuple_137;
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 static PyObject *__pyx_k_codeobj_138;
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-static float __pyx_f_8_cdec_sa_monitor_cpu(void) {
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-  /* "_cdec_sa.pyx":7
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-static PyObject *__pyx_pf_8_cdec_sa_gzip_or_text(CYTHON_UNUSED PyObject *__pyx_self, char *__pyx_v_filename) {
+static PyObject *__pyx_pf_3_sa_gzip_or_text(CYTHON_UNUSED PyObject *__pyx_self, char *__pyx_v_filename) {
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-    /* "_cdec_sa.pyx":11
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-    /* "_cdec_sa.pyx":13
+    /* "_sa.pyx":13
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-static int __pyx_pw_8_cdec_sa_9FloatList_1__cinit__(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
+static int __pyx_pw_3_sa_9FloatList_1__cinit__(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
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+  __pyx_r = __pyx_pf_3_sa_9FloatList___cinit__(((struct __pyx_obj_3_sa_FloatList *)__pyx_v_self), __pyx_v_size, __pyx_v_increment, __pyx_v_initial_len);
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 /* Python wrapper */
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+static PyObject *__pyx_pf_3_sa_9FloatList_4__getitem__(struct __pyx_obj_3_sa_FloatList *__pyx_v_self, PyObject *__pyx_v_i) {
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-static int __pyx_pw_8_cdec_sa_9FloatList_7__setitem__(PyObject *__pyx_v_self, PyObject *__pyx_v_i, PyObject *__pyx_v_val) {
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-static Py_ssize_t __pyx_pw_8_cdec_sa_9FloatList_9__len__(PyObject *__pyx_v_self) {
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-static Py_ssize_t __pyx_pf_8_cdec_sa_9FloatList_8__len__(struct __pyx_obj_8_cdec_sa_FloatList *__pyx_v_self) {
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-static PyObject *__pyx_pw_8_cdec_sa_9FloatList_11append(PyObject *__pyx_v_self, PyObject *__pyx_arg_val) {
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+  __pyx_r = __pyx_pf_3_sa_9FloatList_10append(((struct __pyx_obj_3_sa_FloatList *)__pyx_v_self), ((float)__pyx_v_val));
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-static PyObject *__pyx_pf_8_cdec_sa_9FloatList_10append(struct __pyx_obj_8_cdec_sa_FloatList *__pyx_v_self, float __pyx_v_val) {
+static PyObject *__pyx_pf_3_sa_9FloatList_10append(struct __pyx_obj_3_sa_FloatList *__pyx_v_self, float __pyx_v_val) {
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-static void __pyx_f_8_cdec_sa_9FloatList_write_handle(struct __pyx_obj_8_cdec_sa_FloatList *__pyx_v_self, FILE *__pyx_v_f) {
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+static PyObject *__pyx_pw_3_sa_9FloatList_13write(PyObject *__pyx_v_self, PyObject *__pyx_arg_filename) {
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-  __Pyx_AddTraceback("_cdec_sa.FloatList.write", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_AddTraceback("_sa.FloatList.write", __pyx_clineno, __pyx_lineno, __pyx_filename);
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+  __pyx_r = __pyx_pf_3_sa_9FloatList_12write(((struct __pyx_obj_3_sa_FloatList *)__pyx_v_self), ((char *)__pyx_v_filename));
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-static PyObject *__pyx_pf_8_cdec_sa_9FloatList_12write(struct __pyx_obj_8_cdec_sa_FloatList *__pyx_v_self, char *__pyx_v_filename) {
+static PyObject *__pyx_pf_3_sa_9FloatList_12write(struct __pyx_obj_3_sa_FloatList *__pyx_v_self, char *__pyx_v_filename) {
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-static void __pyx_f_8_cdec_sa_9FloatList_read_handle(struct __pyx_obj_8_cdec_sa_FloatList *__pyx_v_self, FILE *__pyx_v_f) {
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-  __Pyx_AddTraceback("_cdec_sa.FloatList.read", __pyx_clineno, __pyx_lineno, __pyx_filename);
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+  __pyx_r = __pyx_pf_3_sa_9FloatList_14read(((struct __pyx_obj_3_sa_FloatList *)__pyx_v_self), ((char *)__pyx_v_filename));
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+static void __pyx_f_3_sa_7IntList_read_handle(struct __pyx_obj_3_sa_IntList *__pyx_v_self, FILE *__pyx_v_f) {
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+static PyObject *__pyx_pw_3_sa_7IntList_31read(PyObject *__pyx_v_self, PyObject *__pyx_arg_filename); /*proto*/
+static PyObject *__pyx_pw_3_sa_7IntList_31read(PyObject *__pyx_v_self, PyObject *__pyx_arg_filename) {
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+  __Pyx_AddTraceback("_sa.IntList.read", __pyx_clineno, __pyx_lineno, __pyx_filename);
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+  __pyx_r = __pyx_pf_3_sa_7IntList_30read(((struct __pyx_obj_3_sa_IntList *)__pyx_v_self), ((char *)__pyx_v_filename));
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-static PyObject *__pyx_pf_8_cdec_sa_7IntList_30read(struct __pyx_obj_8_cdec_sa_IntList *__pyx_v_self, char *__pyx_v_filename) {
+static PyObject *__pyx_pf_3_sa_7IntList_30read(struct __pyx_obj_3_sa_IntList *__pyx_v_self, char *__pyx_v_filename) {
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-  ((struct __pyx_vtabstruct_8_cdec_sa_IntList *)__pyx_v_self->__pyx_vtab)->read_handle(__pyx_v_self, __pyx_v_f);
+  ((struct __pyx_vtabstruct_3_sa_IntList *)__pyx_v_self->__pyx_vtab)->read_handle(__pyx_v_self, __pyx_v_f);
 
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-static int __pyx_pw_8_cdec_sa_9StringMap_1__cinit__(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
+static int __pyx_pw_3_sa_9StringMap_1__cinit__(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
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-  __pyx_r = __pyx_pf_8_cdec_sa_9StringMap___cinit__(((struct __pyx_obj_8_cdec_sa_StringMap *)__pyx_v_self));
+  __pyx_r = __pyx_pf_3_sa_9StringMap___cinit__(((struct __pyx_obj_3_sa_StringMap *)__pyx_v_self));
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-static int __pyx_pf_8_cdec_sa_9StringMap___cinit__(struct __pyx_obj_8_cdec_sa_StringMap *__pyx_v_self) {
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 /* Python wrapper */
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+static void __pyx_pw_3_sa_9StringMap_3__dealloc__(PyObject *__pyx_v_self); /*proto*/
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-static void __pyx_pf_8_cdec_sa_9StringMap_2__dealloc__(struct __pyx_obj_8_cdec_sa_StringMap *__pyx_v_self) {
+static void __pyx_pf_3_sa_9StringMap_2__dealloc__(struct __pyx_obj_3_sa_StringMap *__pyx_v_self) {
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-static int __pyx_f_8_cdec_sa_9StringMap_index(struct __pyx_obj_8_cdec_sa_StringMap *__pyx_v_self, char *__pyx_v_s) {
+static int __pyx_f_3_sa_9StringMap_index(struct __pyx_obj_3_sa_StringMap *__pyx_v_self, char *__pyx_v_s) {
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 /* Python wrapper */
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+static PyObject *__pyx_pw_3_sa_9DataArray_13get_word(PyObject *__pyx_v_self, PyObject *__pyx_v_id); /*proto*/
+static PyObject *__pyx_pw_3_sa_9DataArray_13get_word(PyObject *__pyx_v_self, PyObject *__pyx_v_id) {
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-  __Pyx_AddTraceback("_cdec_sa.DataArray.read_text", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_AddTraceback("_sa.DataArray.read_text", __pyx_clineno, __pyx_lineno, __pyx_filename);
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 /* Python wrapper */
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-static PyObject *__pyx_pw_8_cdec_sa_9DataArray_19read_binary(PyObject *__pyx_v_self, PyObject *__pyx_arg_filename) {
+static PyObject *__pyx_pw_3_sa_9DataArray_19read_binary(PyObject *__pyx_v_self, PyObject *__pyx_arg_filename); /*proto*/
+static PyObject *__pyx_pw_3_sa_9DataArray_19read_binary(PyObject *__pyx_v_self, PyObject *__pyx_arg_filename) {
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-  __Pyx_AddTraceback("_cdec_sa.DataArray.read_binary", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_AddTraceback("_sa.DataArray.read_binary", __pyx_clineno, __pyx_lineno, __pyx_filename);
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+  __pyx_r = __pyx_pf_3_sa_9DataArray_18read_binary(((struct __pyx_obj_3_sa_DataArray *)__pyx_v_self), ((char *)__pyx_v_filename));
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-static PyObject *__pyx_pf_8_cdec_sa_9DataArray_18read_binary(struct __pyx_obj_8_cdec_sa_DataArray *__pyx_v_self, char *__pyx_v_filename) {
+static PyObject *__pyx_pf_3_sa_9DataArray_18read_binary(struct __pyx_obj_3_sa_DataArray *__pyx_v_self, char *__pyx_v_filename) {
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  */
-  ((struct __pyx_vtabstruct_8_cdec_sa_DataArray *)__pyx_v_self->__pyx_vtab)->read_handle(__pyx_v_self, __pyx_v_f);
+  ((struct __pyx_vtabstruct_3_sa_DataArray *)__pyx_v_self->__pyx_vtab)->read_handle(__pyx_v_self, __pyx_v_f);
 
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-static void __pyx_f_8_cdec_sa_9DataArray_read_handle(struct __pyx_obj_8_cdec_sa_DataArray *__pyx_v_self, FILE *__pyx_v_f) {
+static void __pyx_f_3_sa_9DataArray_read_handle(struct __pyx_obj_3_sa_DataArray *__pyx_v_self, FILE *__pyx_v_f) {
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-  ((struct __pyx_vtabstruct_8_cdec_sa_IntList *)__pyx_v_self->data->__pyx_vtab)->read_handle(__pyx_v_self->data, __pyx_v_f);
+  ((struct __pyx_vtabstruct_3_sa_IntList *)__pyx_v_self->data->__pyx_vtab)->read_handle(__pyx_v_self->data, __pyx_v_f);
 
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+  ((struct __pyx_vtabstruct_3_sa_IntList *)__pyx_v_self->sent_index->__pyx_vtab)->read_handle(__pyx_v_self->sent_index, __pyx_v_f);
 
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+  ((struct __pyx_vtabstruct_3_sa_IntList *)__pyx_v_self->sent_id->__pyx_vtab)->read_handle(__pyx_v_self->sent_id, __pyx_v_f);
 
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-static void __pyx_f_8_cdec_sa_9DataArray_write_handle(struct __pyx_obj_8_cdec_sa_DataArray *__pyx_v_self, FILE *__pyx_v_f) {
+static void __pyx_f_3_sa_9DataArray_write_handle(struct __pyx_obj_3_sa_DataArray *__pyx_v_self, FILE *__pyx_v_f) {
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-  ((struct __pyx_vtabstruct_8_cdec_sa_IntList *)__pyx_v_self->data->__pyx_vtab)->write_handle(__pyx_v_self->data, __pyx_v_f);
+  ((struct __pyx_vtabstruct_3_sa_IntList *)__pyx_v_self->data->__pyx_vtab)->write_handle(__pyx_v_self->data, __pyx_v_f);
 
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+  ((struct __pyx_vtabstruct_3_sa_IntList *)__pyx_v_self->sent_index->__pyx_vtab)->write_handle(__pyx_v_self->sent_index, __pyx_v_f);
 
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+  ((struct __pyx_vtabstruct_3_sa_IntList *)__pyx_v_self->sent_id->__pyx_vtab)->write_handle(__pyx_v_self->sent_id, __pyx_v_f);
 
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       if (__pyx_t_2 >= PyList_GET_SIZE(__pyx_t_3)) break;
+      #if CYTHON_COMPILING_IN_CPYTHON
       __pyx_t_1 = PyList_GET_ITEM(__pyx_t_3, __pyx_t_2); __Pyx_INCREF(__pyx_t_1); __pyx_t_2++;
+      #else
+      __pyx_t_1 = PySequence_ITEM(__pyx_t_3, __pyx_t_2); __pyx_t_2++; if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[3]; __pyx_lineno = 118; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
+      #endif
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       if (__pyx_t_2 >= PyTuple_GET_SIZE(__pyx_t_3)) break;
+      #if CYTHON_COMPILING_IN_CPYTHON
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+      #else
+      __pyx_t_1 = PySequence_ITEM(__pyx_t_3, __pyx_t_2); __pyx_t_2++; if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[3]; __pyx_lineno = 118; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
+      #endif
     } else {
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@@ -8163,15 +8238,15 @@ static void __pyx_f_8_cdec_sa_9DataArray_write_handle(struct __pyx_obj_8_cdec_sa
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   __Pyx_XDECREF(__pyx_t_3);
-  __Pyx_WriteUnraisable("_cdec_sa.DataArray.write_handle", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_WriteUnraisable("_sa.DataArray.write_handle", __pyx_clineno, __pyx_lineno, __pyx_filename);
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 /* Python wrapper */
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-static PyObject *__pyx_pw_8_cdec_sa_9DataArray_21write_binary(PyObject *__pyx_v_self, PyObject *__pyx_arg_filename) {
+static PyObject *__pyx_pw_3_sa_9DataArray_21write_binary(PyObject *__pyx_v_self, PyObject *__pyx_arg_filename); /*proto*/
+static PyObject *__pyx_pw_3_sa_9DataArray_21write_binary(PyObject *__pyx_v_self, PyObject *__pyx_arg_filename) {
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@@ -8181,11 +8256,11 @@ static PyObject *__pyx_pw_8_cdec_sa_9DataArray_21write_binary(PyObject *__pyx_v_
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   __pyx_L3_error:;
-  __Pyx_AddTraceback("_cdec_sa.DataArray.write_binary", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_AddTraceback("_sa.DataArray.write_binary", __pyx_clineno, __pyx_lineno, __pyx_filename);
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+  __pyx_r = __pyx_pf_3_sa_9DataArray_20write_binary(((struct __pyx_obj_3_sa_DataArray *)__pyx_v_self), ((char *)__pyx_v_filename));
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@@ -8198,7 +8273,7 @@ static PyObject *__pyx_pw_8_cdec_sa_9DataArray_21write_binary(PyObject *__pyx_v_
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+static PyObject *__pyx_pf_3_sa_9DataArray_20write_binary(struct __pyx_obj_3_sa_DataArray *__pyx_v_self, char *__pyx_v_filename) {
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-  ((struct __pyx_vtabstruct_8_cdec_sa_DataArray *)__pyx_v_self->__pyx_vtab)->write_handle(__pyx_v_self, __pyx_v_f);
+  ((struct __pyx_vtabstruct_3_sa_DataArray *)__pyx_v_self->__pyx_vtab)->write_handle(__pyx_v_self, __pyx_v_f);
 
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 /* Python wrapper */
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-static PyObject *__pyx_pw_8_cdec_sa_9DataArray_23write_enhanced_handle(PyObject *__pyx_v_self, PyObject *__pyx_v_f) {
+static PyObject *__pyx_pw_3_sa_9DataArray_23write_enhanced_handle(PyObject *__pyx_v_self, PyObject *__pyx_v_f); /*proto*/
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+  __pyx_r = __pyx_pf_3_sa_9DataArray_22write_enhanced_handle(((struct __pyx_obj_3_sa_DataArray *)__pyx_v_self), ((PyObject *)__pyx_v_f));
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+static PyObject *__pyx_pf_3_sa_9DataArray_22write_enhanced_handle(struct __pyx_obj_3_sa_DataArray *__pyx_v_self, PyObject *__pyx_v_f) {
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     if (!__pyx_t_3 && PyList_CheckExact(__pyx_t_1)) {
       if (__pyx_t_2 >= PyList_GET_SIZE(__pyx_t_1)) break;
+      #if CYTHON_COMPILING_IN_CPYTHON
       __pyx_t_4 = PyList_GET_ITEM(__pyx_t_1, __pyx_t_2); __Pyx_INCREF(__pyx_t_4); __pyx_t_2++;
+      #else
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+      #endif
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+      #if CYTHON_COMPILING_IN_CPYTHON
       __pyx_t_4 = PyTuple_GET_ITEM(__pyx_t_1, __pyx_t_2); __Pyx_INCREF(__pyx_t_4); __pyx_t_2++;
+      #else
+      __pyx_t_4 = PySequence_ITEM(__pyx_t_1, __pyx_t_2); __pyx_t_2++; if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[3]; __pyx_lineno = 131; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
+      #endif
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@@ -8365,10 +8448,18 @@ static PyObject *__pyx_pf_8_cdec_sa_9DataArray_22write_enhanced_handle(struct __
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+      #if CYTHON_COMPILING_IN_CPYTHON
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+      #endif
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-static PyObject *__pyx_pw_8_cdec_sa_9DataArray_25write_enhanced(PyObject *__pyx_v_self, PyObject *__pyx_arg_filename) {
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+static int __pyx_f_3_sa_9Alignment_link(CYTHON_UNUSED struct __pyx_obj_3_sa_Alignment *__pyx_v_self, int __pyx_v_i, int __pyx_v_j) {
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 /* Python wrapper */
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-static PyObject *__pyx_pw_8_cdec_sa_9Alignment_1unlink(PyObject *__pyx_v_self, PyObject *__pyx_v_link) {
+static PyObject *__pyx_pw_3_sa_9Alignment_1unlink(PyObject *__pyx_v_self, PyObject *__pyx_v_link); /*proto*/
+static char __pyx_doc_3_sa_9Alignment_unlink[] = "De-integerizes an alignment link pair";
+static PyObject *__pyx_pw_3_sa_9Alignment_1unlink(PyObject *__pyx_v_self, PyObject *__pyx_v_link) {
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+  __pyx_r = __pyx_pf_3_sa_9Alignment_unlink(((struct __pyx_obj_3_sa_Alignment *)__pyx_v_self), ((PyObject *)__pyx_v_link));
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+static PyObject *__pyx_f_3_sa_9Alignment__unlink(CYTHON_UNUSED struct __pyx_obj_3_sa_Alignment *__pyx_v_self, int __pyx_v_link, int *__pyx_v_f, int *__pyx_v_e) {
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 /* Python wrapper */
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-static PyObject *__pyx_pw_8_cdec_sa_9Alignment_3get_sent_links(PyObject *__pyx_v_self, PyObject *__pyx_arg_sent_id) {
+static PyObject *__pyx_pw_3_sa_9Alignment_3get_sent_links(PyObject *__pyx_v_self, PyObject *__pyx_arg_sent_id); /*proto*/
+static PyObject *__pyx_pw_3_sa_9Alignment_3get_sent_links(PyObject *__pyx_v_self, PyObject *__pyx_arg_sent_id) {
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+  __pyx_r = __pyx_pf_3_sa_9Alignment_2get_sent_links(((struct __pyx_obj_3_sa_Alignment *)__pyx_v_self), ((int)__pyx_v_sent_id));
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  *         free(arr)
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+  __pyx_v_arr = ((struct __pyx_vtabstruct_3_sa_Alignment *)__pyx_v_self->__pyx_vtab)->_get_sent_links(__pyx_v_self, __pyx_v_sent_id, (&__pyx_v_arr_len));
 
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+  ((struct __pyx_vtabstruct_3_sa_IntList *)__pyx_v_sent_links->__pyx_vtab)->_extend_arr(__pyx_v_sent_links, __pyx_v_arr, (__pyx_v_arr_len * 2));
 
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+static int *__pyx_f_3_sa_9Alignment__get_sent_links(struct __pyx_obj_3_sa_Alignment *__pyx_v_self, int __pyx_v_sent_id, int *__pyx_v_num_links) {
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+    __pyx_t_2 = ((struct __pyx_vtabstruct_3_sa_Alignment *)__pyx_v_self->__pyx_vtab)->_unlink(__pyx_v_self, (__pyx_v_self->links->arr[(__pyx_v_start + __pyx_v_i)]), (__pyx_v_sent_links + (2 * __pyx_v_i)), ((__pyx_v_sent_links + (2 * __pyx_v_i)) + 1)); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[4]; __pyx_lineno = 42; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+static int __pyx_pw_3_sa_9Alignment_5__cinit__(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
+static int __pyx_pw_3_sa_9Alignment_5__cinit__(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
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-  __Pyx_AddTraceback("_cdec_sa.Alignment.__cinit__", __pyx_clineno, __pyx_lineno, __pyx_filename);
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+static int __pyx_pf_3_sa_9Alignment_4__cinit__(struct __pyx_obj_3_sa_Alignment *__pyx_v_self, PyObject *__pyx_v_from_binary, PyObject *__pyx_v_from_text) {
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-static PyObject *__pyx_pf_8_cdec_sa_9Alignment_10write_text(struct __pyx_obj_8_cdec_sa_Alignment *__pyx_v_self, char *__pyx_v_filename) {
+static PyObject *__pyx_pf_3_sa_9Alignment_10write_text(struct __pyx_obj_3_sa_Alignment *__pyx_v_self, char *__pyx_v_filename) {
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+              #if CYTHON_COMPILING_IN_CPYTHON
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+              __pyx_t_2 = PySequence_ITEM(__pyx_t_1, __pyx_t_8); __pyx_t_8++; if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[4]; __pyx_lineno = 73; __pyx_clineno = __LINE__; goto __pyx_L7_error;};
+              #endif
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+              #if CYTHON_COMPILING_IN_CPYTHON
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+              __pyx_t_2 = PySequence_ITEM(__pyx_t_1, __pyx_t_8); __pyx_t_8++; if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[4]; __pyx_lineno = 73; __pyx_clineno = __LINE__; goto __pyx_L7_error;};
+              #endif
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@@ -10126,7 +10264,7 @@ static PyObject *__pyx_pf_8_cdec_sa_9Alignment_10write_text(struct __pyx_obj_8_c
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-          __Pyx_AddTraceback("_cdec_sa.Alignment.write_text", __pyx_clineno, __pyx_lineno, __pyx_filename);
+          __Pyx_AddTraceback("_sa.Alignment.write_text", __pyx_clineno, __pyx_lineno, __pyx_filename);
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-  __Pyx_AddTraceback("_cdec_sa.Alignment.write_text", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_AddTraceback("_sa.Alignment.write_text", __pyx_clineno, __pyx_lineno, __pyx_filename);
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@@ -10220,8 +10358,8 @@ static PyObject *__pyx_pf_8_cdec_sa_9Alignment_10write_text(struct __pyx_obj_8_c
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 /* Python wrapper */
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-static PyObject *__pyx_pw_8_cdec_sa_9Alignment_13write_binary(PyObject *__pyx_v_self, PyObject *__pyx_arg_filename) {
+static PyObject *__pyx_pw_3_sa_9Alignment_13write_binary(PyObject *__pyx_v_self, PyObject *__pyx_arg_filename); /*proto*/
+static PyObject *__pyx_pw_3_sa_9Alignment_13write_binary(PyObject *__pyx_v_self, PyObject *__pyx_arg_filename) {
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   __pyx_L3_error:;
-  __Pyx_AddTraceback("_cdec_sa.Alignment.write_binary", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_AddTraceback("_sa.Alignment.write_binary", __pyx_clineno, __pyx_lineno, __pyx_filename);
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+  __pyx_r = __pyx_pf_3_sa_9Alignment_12write_binary(((struct __pyx_obj_3_sa_Alignment *)__pyx_v_self), ((char *)__pyx_v_filename));
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-static PyObject *__pyx_pf_8_cdec_sa_9Alignment_12write_binary(struct __pyx_obj_8_cdec_sa_Alignment *__pyx_v_self, char *__pyx_v_filename) {
+static PyObject *__pyx_pf_3_sa_9Alignment_12write_binary(struct __pyx_obj_3_sa_Alignment *__pyx_v_self, char *__pyx_v_filename) {
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@@ -10270,7 +10408,7 @@ static PyObject *__pyx_pf_8_cdec_sa_9Alignment_12write_binary(struct __pyx_obj_8
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-  ((struct __pyx_vtabstruct_8_cdec_sa_IntList *)__pyx_v_self->links->__pyx_vtab)->write_handle(__pyx_v_self->links, __pyx_v_f);
+  ((struct __pyx_vtabstruct_3_sa_IntList *)__pyx_v_self->links->__pyx_vtab)->write_handle(__pyx_v_self->links, __pyx_v_f);
 
   /* "/Users/vchahun/Sandbox/cdec/python/src/sa/alignment.pxi":84
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@@ -10279,7 +10417,7 @@ static PyObject *__pyx_pf_8_cdec_sa_9Alignment_12write_binary(struct __pyx_obj_8
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-  ((struct __pyx_vtabstruct_8_cdec_sa_IntList *)__pyx_v_self->sent_index->__pyx_vtab)->write_handle(__pyx_v_self->sent_index, __pyx_v_f);
+  ((struct __pyx_vtabstruct_3_sa_IntList *)__pyx_v_self->sent_index->__pyx_vtab)->write_handle(__pyx_v_self->sent_index, __pyx_v_f);
 
   /* "/Users/vchahun/Sandbox/cdec/python/src/sa/alignment.pxi":85
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@@ -10297,8 +10435,8 @@ static PyObject *__pyx_pf_8_cdec_sa_9Alignment_12write_binary(struct __pyx_obj_8
 }
 
 /* Python wrapper */
-static PyObject *__pyx_pw_8_cdec_sa_9Alignment_15write_enhanced(PyObject *__pyx_v_self, PyObject *__pyx_arg_filename); /*proto*/
-static PyObject *__pyx_pw_8_cdec_sa_9Alignment_15write_enhanced(PyObject *__pyx_v_self, PyObject *__pyx_arg_filename) {
+static PyObject *__pyx_pw_3_sa_9Alignment_15write_enhanced(PyObject *__pyx_v_self, PyObject *__pyx_arg_filename); /*proto*/
+static PyObject *__pyx_pw_3_sa_9Alignment_15write_enhanced(PyObject *__pyx_v_self, PyObject *__pyx_arg_filename) {
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   __pyx_L3_error:;
-  __Pyx_AddTraceback("_cdec_sa.Alignment.write_enhanced", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_AddTraceback("_sa.Alignment.write_enhanced", __pyx_clineno, __pyx_lineno, __pyx_filename);
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+  __pyx_r = __pyx_pf_3_sa_9Alignment_14write_enhanced(((struct __pyx_obj_3_sa_Alignment *)__pyx_v_self), ((char *)__pyx_v_filename));
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-static PyObject *__pyx_pf_8_cdec_sa_9Alignment_14write_enhanced(struct __pyx_obj_8_cdec_sa_Alignment *__pyx_v_self, char *__pyx_v_filename) {
+static PyObject *__pyx_pf_3_sa_9Alignment_14write_enhanced(struct __pyx_obj_3_sa_Alignment *__pyx_v_self, char *__pyx_v_filename) {
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             if (!__pyx_t_9 && PyList_CheckExact(__pyx_t_4)) {
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+              #endif
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               __pyx_t_1 = PyTuple_GET_ITEM(__pyx_t_4, __pyx_t_8); __Pyx_INCREF(__pyx_t_1); __pyx_t_8++;
+              #else
+              __pyx_t_1 = PySequence_ITEM(__pyx_t_4, __pyx_t_8); __pyx_t_8++; if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[4]; __pyx_lineno = 90; __pyx_clineno = __LINE__; goto __pyx_L7_error;};
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             if (!__pyx_t_9 && PyList_CheckExact(__pyx_t_2)) {
               if (__pyx_t_8 >= PyList_GET_SIZE(__pyx_t_2)) break;
+              #if CYTHON_COMPILING_IN_CPYTHON
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+              #else
+              __pyx_t_4 = PySequence_ITEM(__pyx_t_2, __pyx_t_8); __pyx_t_8++; if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[4]; __pyx_lineno = 93; __pyx_clineno = __LINE__; goto __pyx_L7_error;};
+              #endif
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+              #if CYTHON_COMPILING_IN_CPYTHON
               __pyx_t_4 = PyTuple_GET_ITEM(__pyx_t_2, __pyx_t_8); __Pyx_INCREF(__pyx_t_4); __pyx_t_8++;
+              #else
+              __pyx_t_4 = PySequence_ITEM(__pyx_t_2, __pyx_t_8); __pyx_t_8++; if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[4]; __pyx_lineno = 93; __pyx_clineno = __LINE__; goto __pyx_L7_error;};
+              #endif
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@@ -10567,7 +10721,7 @@ static PyObject *__pyx_pf_8_cdec_sa_9Alignment_14write_enhanced(struct __pyx_obj
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         /*except:*/ {
-          __Pyx_AddTraceback("_cdec_sa.Alignment.write_enhanced", __pyx_clineno, __pyx_lineno, __pyx_filename);
+          __Pyx_AddTraceback("_sa.Alignment.write_enhanced", __pyx_clineno, __pyx_lineno, __pyx_filename);
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@@ -10646,7 +10800,7 @@ static PyObject *__pyx_pf_8_cdec_sa_9Alignment_14write_enhanced(struct __pyx_obj
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-  __Pyx_AddTraceback("_cdec_sa.Alignment.write_enhanced", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_AddTraceback("_sa.Alignment.write_enhanced", __pyx_clineno, __pyx_lineno, __pyx_filename);
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@@ -10658,13 +10812,13 @@ static PyObject *__pyx_pf_8_cdec_sa_9Alignment_14write_enhanced(struct __pyx_obj
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 /* Python wrapper */
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-static PyObject *__pyx_pw_8_cdec_sa_9Alignment_17alignment(PyObject *__pyx_v_self, PyObject *__pyx_v_i) {
+static PyObject *__pyx_pw_3_sa_9Alignment_17alignment(PyObject *__pyx_v_self, PyObject *__pyx_v_i); /*proto*/
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+  __pyx_r = __pyx_pf_3_sa_9Alignment_16alignment(((struct __pyx_obj_3_sa_Alignment *)__pyx_v_self), ((PyObject *)__pyx_v_i));
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-static PyObject *__pyx_pf_8_cdec_sa_9Alignment_16alignment(struct __pyx_obj_8_cdec_sa_Alignment *__pyx_v_self, PyObject *__pyx_v_i) {
+static PyObject *__pyx_pf_3_sa_9Alignment_16alignment(struct __pyx_obj_3_sa_Alignment *__pyx_v_self, PyObject *__pyx_v_i) {
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-  __Pyx_AddTraceback("_cdec_sa.Alignment.alignment", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_AddTraceback("_sa.Alignment.alignment", __pyx_clineno, __pyx_lineno, __pyx_filename);
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-  struct __pyx_t_8_cdec_sa__node *__pyx_v_n;
-  struct __pyx_t_8_cdec_sa__node *__pyx_r;
+static struct __pyx_t_3_sa__node *__pyx_f_3_sa_new_node(int __pyx_v_key) {
+  struct __pyx_t_3_sa__node *__pyx_v_n;
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@@ -10809,7 +10963,7 @@ static struct __pyx_t_8_cdec_sa__node *__pyx_f_8_cdec_sa_new_node(int __pyx_v_ke
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  *     n.bigger = NULL
  */
-  __pyx_v_n = ((struct __pyx_t_8_cdec_sa__node *)malloc((sizeof(struct __pyx_t_8_cdec_sa__node))));
+  __pyx_v_n = ((struct __pyx_t_3_sa__node *)malloc((sizeof(struct __pyx_t_3_sa__node))));
 
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  */
 
-static PyObject *__pyx_f_8_cdec_sa_del_node(struct __pyx_t_8_cdec_sa__node *__pyx_v_n) {
+static PyObject *__pyx_f_3_sa_del_node(struct __pyx_t_3_sa__node *__pyx_v_n) {
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   int __pyx_t_1;
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+    __pyx_t_2 = __pyx_f_3_sa_del_node(__pyx_v_n->bigger); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 29; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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   __Pyx_XDECREF(__pyx_t_2);
-  __Pyx_AddTraceback("_cdec_sa.del_node", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_AddTraceback("_sa.del_node", __pyx_clineno, __pyx_lineno, __pyx_filename);
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  *         return get_val(n.smaller, key)
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-      __pyx_v_n->smaller = __pyx_f_8_cdec_sa_new_node(__pyx_v_key);
+      __pyx_v_n->smaller = __pyx_f_3_sa_new_node(__pyx_v_key);
 
       /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":38
  *         if n.smaller == NULL:
@@ -11035,7 +11189,7 @@ static int *__pyx_f_8_cdec_sa_get_val(struct __pyx_t_8_cdec_sa__node *__pyx_v_n,
  *     else:
  *         if n.bigger == NULL:
  */
-    __pyx_r = __pyx_f_8_cdec_sa_get_val(__pyx_v_n->smaller, __pyx_v_key);
+    __pyx_r = __pyx_f_3_sa_get_val(__pyx_v_n->smaller, __pyx_v_key);
     goto __pyx_L0;
     goto __pyx_L3;
   }
@@ -11058,7 +11212,7 @@ static int *__pyx_f_8_cdec_sa_get_val(struct __pyx_t_8_cdec_sa__node *__pyx_v_n,
  *             return &(n.bigger.val)
  *         return get_val(n.bigger, key)
  */
-      __pyx_v_n->bigger = __pyx_f_8_cdec_sa_new_node(__pyx_v_key);
+      __pyx_v_n->bigger = __pyx_f_3_sa_new_node(__pyx_v_key);
 
       /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":43
  *         if n.bigger == NULL:
@@ -11080,7 +11234,7 @@ static int *__pyx_f_8_cdec_sa_get_val(struct __pyx_t_8_cdec_sa__node *__pyx_v_n,
  * 
  * 
  */
-    __pyx_r = __pyx_f_8_cdec_sa_get_val(__pyx_v_n->bigger, __pyx_v_key);
+    __pyx_r = __pyx_f_3_sa_get_val(__pyx_v_n->bigger, __pyx_v_key);
     goto __pyx_L0;
   }
   __pyx_L3:;
@@ -11092,19 +11246,19 @@ static int *__pyx_f_8_cdec_sa_get_val(struct __pyx_t_8_cdec_sa__node *__pyx_v_n,
 }
 
 /* Python wrapper */
-static int __pyx_pw_8_cdec_sa_5BiLex_1__cinit__(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
-static int __pyx_pw_8_cdec_sa_5BiLex_1__cinit__(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
+static int __pyx_pw_3_sa_5BiLex_1__cinit__(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
+static int __pyx_pw_3_sa_5BiLex_1__cinit__(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
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   PyObject *__pyx_v_from_binary = 0;
   PyObject *__pyx_v_earray = 0;
   PyObject *__pyx_v_fsarray = 0;
   PyObject *__pyx_v_alignment = 0;
-  static PyObject **__pyx_pyargnames[] = {&__pyx_n_s__from_text,&__pyx_n_s__from_data,&__pyx_n_s__from_binary,&__pyx_n_s__earray,&__pyx_n_s__fsarray,&__pyx_n_s__alignment,0};
   int __pyx_r;
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("__cinit__ (wrapper)", 0);
   {
+    static PyObject **__pyx_pyargnames[] = {&__pyx_n_s__from_text,&__pyx_n_s__from_data,&__pyx_n_s__from_binary,&__pyx_n_s__earray,&__pyx_n_s__fsarray,&__pyx_n_s__alignment,0};
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     /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":54
@@ -11200,11 +11354,11 @@ static int __pyx_pw_8_cdec_sa_5BiLex_1__cinit__(PyObject *__pyx_v_self, PyObject
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   __pyx_L3_error:;
-  __Pyx_AddTraceback("_cdec_sa.BiLex.__cinit__", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_AddTraceback("_sa.BiLex.__cinit__", __pyx_clineno, __pyx_lineno, __pyx_filename);
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+  __pyx_r = __pyx_pf_3_sa_5BiLex___cinit__(((struct __pyx_obj_3_sa_BiLex *)__pyx_v_self), __pyx_v_from_text, __pyx_v_from_data, __pyx_v_from_binary, __pyx_v_earray, __pyx_v_fsarray, __pyx_v_alignment);
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@@ -11217,7 +11371,7 @@ static int __pyx_pw_8_cdec_sa_5BiLex_1__cinit__(PyObject *__pyx_v_self, PyObject
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  */
 
-static int __pyx_pf_8_cdec_sa_5BiLex___cinit__(struct __pyx_obj_8_cdec_sa_BiLex *__pyx_v_self, PyObject *__pyx_v_from_text, PyObject *__pyx_v_from_data, PyObject *__pyx_v_from_binary, PyObject *__pyx_v_earray, PyObject *__pyx_v_fsarray, PyObject *__pyx_v_alignment) {
+static int __pyx_pf_3_sa_5BiLex___cinit__(struct __pyx_obj_3_sa_BiLex *__pyx_v_self, PyObject *__pyx_v_from_text, PyObject *__pyx_v_from_data, PyObject *__pyx_v_from_binary, PyObject *__pyx_v_earray, PyObject *__pyx_v_fsarray, PyObject *__pyx_v_alignment) {
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@@ -11297,12 +11451,12 @@ static int __pyx_pf_8_cdec_sa_5BiLex___cinit__(struct __pyx_obj_8_cdec_sa_BiLex
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-  __pyx_t_1 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_8_cdec_sa_IntList)), ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 60; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_IntList)), ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 60; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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   __Pyx_GOTREF(__pyx_v_self->e_index);
   __Pyx_DECREF(((PyObject *)__pyx_v_self->e_index));
-  __pyx_v_self->e_index = ((struct __pyx_obj_8_cdec_sa_IntList *)__pyx_t_1);
+  __pyx_v_self->e_index = ((struct __pyx_obj_3_sa_IntList *)__pyx_t_1);
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   /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":61
@@ -11312,12 +11466,12 @@ static int __pyx_pf_8_cdec_sa_5BiLex___cinit__(struct __pyx_obj_8_cdec_sa_BiLex
  *         self.col1 = FloatList()
  *         self.col2 = FloatList()
  */
-  __pyx_t_1 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_8_cdec_sa_IntList)), ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 61; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_IntList)), ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 61; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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   __Pyx_GOTREF(__pyx_v_self->f_index);
   __Pyx_DECREF(((PyObject *)__pyx_v_self->f_index));
-  __pyx_v_self->f_index = ((struct __pyx_obj_8_cdec_sa_IntList *)__pyx_t_1);
+  __pyx_v_self->f_index = ((struct __pyx_obj_3_sa_IntList *)__pyx_t_1);
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   /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":62
@@ -11327,12 +11481,12 @@ static int __pyx_pf_8_cdec_sa_5BiLex___cinit__(struct __pyx_obj_8_cdec_sa_BiLex
  *         self.col2 = FloatList()
  *         if from_binary:
  */
-  __pyx_t_1 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_8_cdec_sa_FloatList)), ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 62; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_FloatList)), ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 62; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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   __Pyx_DECREF(((PyObject *)__pyx_v_self->col1));
-  __pyx_v_self->col1 = ((struct __pyx_obj_8_cdec_sa_FloatList *)__pyx_t_1);
+  __pyx_v_self->col1 = ((struct __pyx_obj_3_sa_FloatList *)__pyx_t_1);
   __pyx_t_1 = 0;
 
   /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":63
@@ -11342,12 +11496,12 @@ static int __pyx_pf_8_cdec_sa_5BiLex___cinit__(struct __pyx_obj_8_cdec_sa_BiLex
  *         if from_binary:
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  */
-  __pyx_t_1 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_8_cdec_sa_FloatList)), ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 63; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_FloatList)), ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 63; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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   __Pyx_GOTREF(__pyx_v_self->col2);
   __Pyx_DECREF(((PyObject *)__pyx_v_self->col2));
-  __pyx_v_self->col2 = ((struct __pyx_obj_8_cdec_sa_FloatList *)__pyx_t_1);
+  __pyx_v_self->col2 = ((struct __pyx_obj_3_sa_FloatList *)__pyx_t_1);
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   /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":64
@@ -11399,16 +11553,16 @@ static int __pyx_pf_8_cdec_sa_5BiLex___cinit__(struct __pyx_obj_8_cdec_sa_BiLex
  *         else:
  *             self.read_text(from_text)
  */
-    if (!(likely(((__pyx_v_fsarray) == Py_None) || likely(__Pyx_TypeTest(__pyx_v_fsarray, __pyx_ptype_8_cdec_sa_SuffixArray))))) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 67; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    if (!(likely(((__pyx_v_fsarray) == Py_None) || likely(__Pyx_TypeTest(__pyx_v_fsarray, __pyx_ptype_3_sa_SuffixArray))))) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 67; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __pyx_t_4 = __pyx_v_fsarray;
     __Pyx_INCREF(__pyx_t_4);
-    if (!(likely(((__pyx_v_earray) == Py_None) || likely(__Pyx_TypeTest(__pyx_v_earray, __pyx_ptype_8_cdec_sa_DataArray))))) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 67; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    if (!(likely(((__pyx_v_earray) == Py_None) || likely(__Pyx_TypeTest(__pyx_v_earray, __pyx_ptype_3_sa_DataArray))))) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 67; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __pyx_t_3 = __pyx_v_earray;
     __Pyx_INCREF(__pyx_t_3);
-    if (!(likely(((__pyx_v_alignment) == Py_None) || likely(__Pyx_TypeTest(__pyx_v_alignment, __pyx_ptype_8_cdec_sa_Alignment))))) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 67; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    if (!(likely(((__pyx_v_alignment) == Py_None) || likely(__Pyx_TypeTest(__pyx_v_alignment, __pyx_ptype_3_sa_Alignment))))) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 67; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __pyx_t_1 = __pyx_v_alignment;
     __Pyx_INCREF(__pyx_t_1);
-    __pyx_t_5 = ((struct __pyx_vtabstruct_8_cdec_sa_BiLex *)__pyx_v_self->__pyx_vtab)->compute_from_data(__pyx_v_self, ((struct __pyx_obj_8_cdec_sa_SuffixArray *)__pyx_t_4), ((struct __pyx_obj_8_cdec_sa_DataArray *)__pyx_t_3), ((struct __pyx_obj_8_cdec_sa_Alignment *)__pyx_t_1)); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 67; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_5 = ((struct __pyx_vtabstruct_3_sa_BiLex *)__pyx_v_self->__pyx_vtab)->compute_from_data(__pyx_v_self, ((struct __pyx_obj_3_sa_SuffixArray *)__pyx_t_4), ((struct __pyx_obj_3_sa_DataArray *)__pyx_t_3), ((struct __pyx_obj_3_sa_Alignment *)__pyx_t_1)); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 67; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_5);
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@@ -11447,7 +11601,7 @@ static int __pyx_pf_8_cdec_sa_5BiLex___cinit__(struct __pyx_obj_8_cdec_sa_BiLex
   __Pyx_XDECREF(__pyx_t_3);
   __Pyx_XDECREF(__pyx_t_4);
   __Pyx_XDECREF(__pyx_t_5);
-  __Pyx_AddTraceback("_cdec_sa.BiLex.__cinit__", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_AddTraceback("_sa.BiLex.__cinit__", __pyx_clineno, __pyx_lineno, __pyx_filename);
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@@ -11462,7 +11616,7 @@ static int __pyx_pf_8_cdec_sa_5BiLex___cinit__(struct __pyx_obj_8_cdec_sa_BiLex
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-static PyObject *__pyx_f_8_cdec_sa_5BiLex_compute_from_data(struct __pyx_obj_8_cdec_sa_BiLex *__pyx_v_self, struct __pyx_obj_8_cdec_sa_SuffixArray *__pyx_v_fsa, struct __pyx_obj_8_cdec_sa_DataArray *__pyx_v_eda, struct __pyx_obj_8_cdec_sa_Alignment *__pyx_v_aa) {
+static PyObject *__pyx_f_3_sa_5BiLex_compute_from_data(struct __pyx_obj_3_sa_BiLex *__pyx_v_self, struct __pyx_obj_3_sa_SuffixArray *__pyx_v_fsa, struct __pyx_obj_3_sa_DataArray *__pyx_v_eda, struct __pyx_obj_3_sa_Alignment *__pyx_v_aa) {
   int __pyx_v_sent_id;
   int __pyx_v_num_links;
   int __pyx_v_l;
@@ -11480,7 +11634,7 @@ static PyObject *__pyx_f_8_cdec_sa_5BiLex_compute_from_data(struct __pyx_obj_8_c
   int *__pyx_v_links;
   int *__pyx_v_ealigned;
   int *__pyx_v_faligned;
-  struct __pyx_t_8_cdec_sa__node **__pyx_v_dict;
+  struct __pyx_t_3_sa__node **__pyx_v_dict;
   int *__pyx_v_fmargin;
   int *__pyx_v_emargin;
   int *__pyx_v_count;
@@ -11535,10 +11689,18 @@ static PyObject *__pyx_f_8_cdec_sa_5BiLex_compute_from_data(struct __pyx_obj_8_c
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     if (!__pyx_t_3 && PyList_CheckExact(__pyx_t_1)) {
       if (__pyx_t_2 >= PyList_GET_SIZE(__pyx_t_1)) break;
+      #if CYTHON_COMPILING_IN_CPYTHON
       __pyx_t_4 = PyList_GET_ITEM(__pyx_t_1, __pyx_t_2); __Pyx_INCREF(__pyx_t_4); __pyx_t_2++;
+      #else
+      __pyx_t_4 = PySequence_ITEM(__pyx_t_1, __pyx_t_2); __pyx_t_2++; if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 81; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
+      #endif
     } else if (!__pyx_t_3 && PyTuple_CheckExact(__pyx_t_1)) {
       if (__pyx_t_2 >= PyTuple_GET_SIZE(__pyx_t_1)) break;
+      #if CYTHON_COMPILING_IN_CPYTHON
       __pyx_t_4 = PyTuple_GET_ITEM(__pyx_t_1, __pyx_t_2); __Pyx_INCREF(__pyx_t_4); __pyx_t_2++;
+      #else
+      __pyx_t_4 = PySequence_ITEM(__pyx_t_1, __pyx_t_2); __pyx_t_2++; if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 81; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
+      #endif
     } else {
       __pyx_t_4 = __pyx_t_3(__pyx_t_1);
       if (unlikely(!__pyx_t_4)) {
@@ -11597,10 +11759,18 @@ static PyObject *__pyx_f_8_cdec_sa_5BiLex_compute_from_data(struct __pyx_obj_8_c
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     if (!__pyx_t_3 && PyList_CheckExact(__pyx_t_4)) {
       if (__pyx_t_2 >= PyList_GET_SIZE(__pyx_t_4)) break;
+      #if CYTHON_COMPILING_IN_CPYTHON
       __pyx_t_5 = PyList_GET_ITEM(__pyx_t_4, __pyx_t_2); __Pyx_INCREF(__pyx_t_5); __pyx_t_2++;
+      #else
+      __pyx_t_5 = PySequence_ITEM(__pyx_t_4, __pyx_t_2); __pyx_t_2++; if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 84; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
+      #endif
     } else if (!__pyx_t_3 && PyTuple_CheckExact(__pyx_t_4)) {
       if (__pyx_t_2 >= PyTuple_GET_SIZE(__pyx_t_4)) break;
+      #if CYTHON_COMPILING_IN_CPYTHON
       __pyx_t_5 = PyTuple_GET_ITEM(__pyx_t_4, __pyx_t_2); __Pyx_INCREF(__pyx_t_5); __pyx_t_2++;
+      #else
+      __pyx_t_5 = PySequence_ITEM(__pyx_t_4, __pyx_t_2); __pyx_t_2++; if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 84; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
+      #endif
     } else {
       __pyx_t_5 = __pyx_t_3(__pyx_t_4);
       if (unlikely(!__pyx_t_5)) {
@@ -11655,10 +11825,18 @@ static PyObject *__pyx_f_8_cdec_sa_5BiLex_compute_from_data(struct __pyx_obj_8_c
   for (;;) {
     if (!__pyx_t_3 && PyList_CheckExact(__pyx_t_1)) {
       if (__pyx_t_2 >= PyList_GET_SIZE(__pyx_t_1)) break;
+      #if CYTHON_COMPILING_IN_CPYTHON
       __pyx_t_4 = PyList_GET_ITEM(__pyx_t_1, __pyx_t_2); __Pyx_INCREF(__pyx_t_4); __pyx_t_2++;
+      #else
+      __pyx_t_4 = PySequence_ITEM(__pyx_t_1, __pyx_t_2); __pyx_t_2++; if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 87; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
+      #endif
     } else if (!__pyx_t_3 && PyTuple_CheckExact(__pyx_t_1)) {
       if (__pyx_t_2 >= PyTuple_GET_SIZE(__pyx_t_1)) break;
+      #if CYTHON_COMPILING_IN_CPYTHON
       __pyx_t_4 = PyTuple_GET_ITEM(__pyx_t_1, __pyx_t_2); __Pyx_INCREF(__pyx_t_4); __pyx_t_2++;
+      #else
+      __pyx_t_4 = PySequence_ITEM(__pyx_t_1, __pyx_t_2); __pyx_t_2++; if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 87; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
+      #endif
     } else {
       __pyx_t_4 = __pyx_t_3(__pyx_t_1);
       if (unlikely(!__pyx_t_4)) {
@@ -11717,10 +11895,18 @@ static PyObject *__pyx_f_8_cdec_sa_5BiLex_compute_from_data(struct __pyx_obj_8_c
   for (;;) {
     if (!__pyx_t_3 && PyList_CheckExact(__pyx_t_4)) {
       if (__pyx_t_2 >= PyList_GET_SIZE(__pyx_t_4)) break;
+      #if CYTHON_COMPILING_IN_CPYTHON
       __pyx_t_5 = PyList_GET_ITEM(__pyx_t_4, __pyx_t_2); __Pyx_INCREF(__pyx_t_5); __pyx_t_2++;
+      #else
+      __pyx_t_5 = PySequence_ITEM(__pyx_t_4, __pyx_t_2); __pyx_t_2++; if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 90; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
+      #endif
     } else if (!__pyx_t_3 && PyTuple_CheckExact(__pyx_t_4)) {
       if (__pyx_t_2 >= PyTuple_GET_SIZE(__pyx_t_4)) break;
+      #if CYTHON_COMPILING_IN_CPYTHON
       __pyx_t_5 = PyTuple_GET_ITEM(__pyx_t_4, __pyx_t_2); __Pyx_INCREF(__pyx_t_5); __pyx_t_2++;
+      #else
+      __pyx_t_5 = PySequence_ITEM(__pyx_t_4, __pyx_t_2); __pyx_t_2++; if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 90; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
+      #endif
     } else {
       __pyx_t_5 = __pyx_t_3(__pyx_t_4);
       if (unlikely(!__pyx_t_5)) {
@@ -11835,7 +12021,7 @@ static PyObject *__pyx_f_8_cdec_sa_5BiLex_compute_from_data(struct __pyx_obj_8_c
  *         memset(dict, 0, V_F*sizeof(_node*))
  * 
  */
-  __pyx_v_dict = ((struct __pyx_t_8_cdec_sa__node **)malloc((__pyx_v_V_F * (sizeof(struct __pyx_t_8_cdec_sa__node *)))));
+  __pyx_v_dict = ((struct __pyx_t_3_sa__node **)malloc((__pyx_v_V_F * (sizeof(struct __pyx_t_3_sa__node *)))));
 
   /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":103
  * 
@@ -11844,7 +12030,7 @@ static PyObject *__pyx_f_8_cdec_sa_5BiLex_compute_from_data(struct __pyx_obj_8_c
  * 
  *         num_sents = len(fsa.darray.sent_index)
  */
-  memset(__pyx_v_dict, 0, (__pyx_v_V_F * (sizeof(struct __pyx_t_8_cdec_sa__node *))));
+  memset(__pyx_v_dict, 0, (__pyx_v_V_F * (sizeof(struct __pyx_t_3_sa__node *))));
 
   /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":105
  *         memset(dict, 0, V_F*sizeof(_node*))
@@ -11954,7 +12140,7 @@ static PyObject *__pyx_f_8_cdec_sa_5BiLex_compute_from_data(struct __pyx_obj_8_c
  * 
  *             for l from 0 <= l < num_links:
  */
-    __pyx_v_links = ((struct __pyx_vtabstruct_8_cdec_sa_Alignment *)__pyx_v_aa->__pyx_vtab)->_get_sent_links(__pyx_v_aa, __pyx_v_sent_id, (&__pyx_v_num_links));
+    __pyx_v_links = ((struct __pyx_vtabstruct_3_sa_Alignment *)__pyx_v_aa->__pyx_vtab)->_get_sent_links(__pyx_v_aa, __pyx_v_sent_id, (&__pyx_v_num_links));
 
     /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":120
  *             links = aa._get_sent_links(sent_id, &num_links)
@@ -12105,7 +12291,7 @@ static PyObject *__pyx_f_8_cdec_sa_5BiLex_compute_from_data(struct __pyx_obj_8_c
  *                     dict[f_i].val = 1
  *                     num_pairs = num_pairs + 1
  */
-        (__pyx_v_dict[__pyx_v_f_i]) = __pyx_f_8_cdec_sa_new_node(__pyx_v_e_j);
+        (__pyx_v_dict[__pyx_v_f_i]) = __pyx_f_3_sa_new_node(__pyx_v_e_j);
 
         /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":131
  *                 if dict[f_i] == NULL:
@@ -12135,7 +12321,7 @@ static PyObject *__pyx_f_8_cdec_sa_5BiLex_compute_from_data(struct __pyx_obj_8_c
  *                     if count[0] == 0:
  *                         num_pairs = num_pairs + 1
  */
-        __pyx_v_count = __pyx_f_8_cdec_sa_get_val((__pyx_v_dict[__pyx_v_f_i]), __pyx_v_e_j);
+        __pyx_v_count = __pyx_f_3_sa_get_val((__pyx_v_dict[__pyx_v_f_i]), __pyx_v_e_j);
 
         /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":135
  *                 else:
@@ -12253,7 +12439,7 @@ static PyObject *__pyx_f_8_cdec_sa_5BiLex_compute_from_data(struct __pyx_obj_8_c
  *                         dict[f_i].val = 1
  *                         num_pairs = num_pairs + 1
  */
-          (__pyx_v_dict[__pyx_v_f_i]) = __pyx_f_8_cdec_sa_new_node(__pyx_v_null_word);
+          (__pyx_v_dict[__pyx_v_f_i]) = __pyx_f_3_sa_new_node(__pyx_v_null_word);
 
           /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":148
  *                     if dict[f_i] == NULL:
@@ -12283,7 +12469,7 @@ static PyObject *__pyx_f_8_cdec_sa_5BiLex_compute_from_data(struct __pyx_obj_8_c
  *                         if count[0] == 0:
  *                             num_pairs = num_pairs + 1
  */
-          __pyx_v_count = __pyx_f_8_cdec_sa_get_val((__pyx_v_dict[__pyx_v_f_i]), __pyx_v_null_word);
+          __pyx_v_count = __pyx_f_3_sa_get_val((__pyx_v_dict[__pyx_v_f_i]), __pyx_v_null_word);
 
           /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":152
  *                     else:
@@ -12386,7 +12572,7 @@ static PyObject *__pyx_f_8_cdec_sa_5BiLex_compute_from_data(struct __pyx_obj_8_c
  *                         dict[null_word].val = 1
  *                         num_pairs = num_pairs + 1
  */
-          (__pyx_v_dict[__pyx_v_null_word]) = __pyx_f_8_cdec_sa_new_node(__pyx_v_e_j);
+          (__pyx_v_dict[__pyx_v_null_word]) = __pyx_f_3_sa_new_node(__pyx_v_e_j);
 
           /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":162
  *                     if dict[null_word] == NULL:
@@ -12416,7 +12602,7 @@ static PyObject *__pyx_f_8_cdec_sa_5BiLex_compute_from_data(struct __pyx_obj_8_c
  *                         if count[0] == 0:
  *                             num_pairs = num_pairs + 1
  */
-          __pyx_v_count = __pyx_f_8_cdec_sa_get_val((__pyx_v_dict[__pyx_v_null_word]), __pyx_v_e_j);
+          __pyx_v_count = __pyx_f_3_sa_get_val((__pyx_v_dict[__pyx_v_null_word]), __pyx_v_e_j);
 
           /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":166
  *                     else:
@@ -12496,13 +12682,13 @@ static PyObject *__pyx_f_8_cdec_sa_5BiLex_compute_from_data(struct __pyx_obj_8_c
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   if (PyDict_SetItem(__pyx_t_12, ((PyObject *)__pyx_n_s__initial_len), __pyx_t_13) < 0) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 172; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_DECREF(__pyx_t_13); __pyx_t_13 = 0;
-  __pyx_t_13 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_8_cdec_sa_IntList)), ((PyObject *)__pyx_empty_tuple), ((PyObject *)__pyx_t_12)); if (unlikely(!__pyx_t_13)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 172; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_13 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_IntList)), ((PyObject *)__pyx_empty_tuple), ((PyObject *)__pyx_t_12)); if (unlikely(!__pyx_t_13)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 172; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_13);
   __Pyx_DECREF(((PyObject *)__pyx_t_12)); __pyx_t_12 = 0;
   __Pyx_GIVEREF(__pyx_t_13);
   __Pyx_GOTREF(__pyx_v_self->f_index);
   __Pyx_DECREF(((PyObject *)__pyx_v_self->f_index));
-  __pyx_v_self->f_index = ((struct __pyx_obj_8_cdec_sa_IntList *)__pyx_t_13);
+  __pyx_v_self->f_index = ((struct __pyx_obj_3_sa_IntList *)__pyx_t_13);
   __pyx_t_13 = 0;
 
   /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":173
@@ -12518,13 +12704,13 @@ static PyObject *__pyx_f_8_cdec_sa_5BiLex_compute_from_data(struct __pyx_obj_8_c
   __Pyx_GOTREF(__pyx_t_12);
   if (PyDict_SetItem(__pyx_t_13, ((PyObject *)__pyx_n_s__initial_len), __pyx_t_12) < 0) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 173; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_DECREF(__pyx_t_12); __pyx_t_12 = 0;
-  __pyx_t_12 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_8_cdec_sa_IntList)), ((PyObject *)__pyx_empty_tuple), ((PyObject *)__pyx_t_13)); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 173; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_12 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_IntList)), ((PyObject *)__pyx_empty_tuple), ((PyObject *)__pyx_t_13)); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 173; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_12);
   __Pyx_DECREF(((PyObject *)__pyx_t_13)); __pyx_t_13 = 0;
   __Pyx_GIVEREF(__pyx_t_12);
   __Pyx_GOTREF(__pyx_v_self->e_index);
   __Pyx_DECREF(((PyObject *)__pyx_v_self->e_index));
-  __pyx_v_self->e_index = ((struct __pyx_obj_8_cdec_sa_IntList *)__pyx_t_12);
+  __pyx_v_self->e_index = ((struct __pyx_obj_3_sa_IntList *)__pyx_t_12);
   __pyx_t_12 = 0;
 
   /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":174
@@ -12540,13 +12726,13 @@ static PyObject *__pyx_f_8_cdec_sa_5BiLex_compute_from_data(struct __pyx_obj_8_c
   __Pyx_GOTREF(__pyx_t_13);
   if (PyDict_SetItem(__pyx_t_12, ((PyObject *)__pyx_n_s__initial_len), __pyx_t_13) < 0) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 174; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_DECREF(__pyx_t_13); __pyx_t_13 = 0;
-  __pyx_t_13 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_8_cdec_sa_FloatList)), ((PyObject *)__pyx_empty_tuple), ((PyObject *)__pyx_t_12)); if (unlikely(!__pyx_t_13)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 174; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_13 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_FloatList)), ((PyObject *)__pyx_empty_tuple), ((PyObject *)__pyx_t_12)); if (unlikely(!__pyx_t_13)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 174; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_13);
   __Pyx_DECREF(((PyObject *)__pyx_t_12)); __pyx_t_12 = 0;
   __Pyx_GIVEREF(__pyx_t_13);
   __Pyx_GOTREF(__pyx_v_self->col1);
   __Pyx_DECREF(((PyObject *)__pyx_v_self->col1));
-  __pyx_v_self->col1 = ((struct __pyx_obj_8_cdec_sa_FloatList *)__pyx_t_13);
+  __pyx_v_self->col1 = ((struct __pyx_obj_3_sa_FloatList *)__pyx_t_13);
   __pyx_t_13 = 0;
 
   /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":175
@@ -12562,13 +12748,13 @@ static PyObject *__pyx_f_8_cdec_sa_5BiLex_compute_from_data(struct __pyx_obj_8_c
   __Pyx_GOTREF(__pyx_t_12);
   if (PyDict_SetItem(__pyx_t_13, ((PyObject *)__pyx_n_s__initial_len), __pyx_t_12) < 0) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 175; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_DECREF(__pyx_t_12); __pyx_t_12 = 0;
-  __pyx_t_12 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_8_cdec_sa_FloatList)), ((PyObject *)__pyx_empty_tuple), ((PyObject *)__pyx_t_13)); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 175; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_12 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_FloatList)), ((PyObject *)__pyx_empty_tuple), ((PyObject *)__pyx_t_13)); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 175; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_12);
   __Pyx_DECREF(((PyObject *)__pyx_t_13)); __pyx_t_13 = 0;
   __Pyx_GIVEREF(__pyx_t_12);
   __Pyx_GOTREF(__pyx_v_self->col2);
   __Pyx_DECREF(((PyObject *)__pyx_v_self->col2));
-  __pyx_v_self->col2 = ((struct __pyx_obj_8_cdec_sa_FloatList *)__pyx_t_12);
+  __pyx_v_self->col2 = ((struct __pyx_obj_3_sa_FloatList *)__pyx_t_12);
   __pyx_t_12 = 0;
 
   /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":177
@@ -12597,7 +12783,7 @@ static PyObject *__pyx_f_8_cdec_sa_5BiLex_compute_from_data(struct __pyx_obj_8_c
  *             if dict[i] != NULL:
  *                 self._add_node(dict[i], &num_pairs, float(fmargin[i]), emargin)
  */
-    ((struct __pyx_vtabstruct_8_cdec_sa_IntList *)__pyx_v_self->f_index->__pyx_vtab)->set(__pyx_v_self->f_index, __pyx_v_i, __pyx_v_num_pairs);
+    ((struct __pyx_vtabstruct_3_sa_IntList *)__pyx_v_self->f_index->__pyx_vtab)->set(__pyx_v_self->f_index, __pyx_v_i, __pyx_v_num_pairs);
 
     /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":181
  *             #self.f_index[i] = num_pairs
@@ -12616,7 +12802,7 @@ static PyObject *__pyx_f_8_cdec_sa_5BiLex_compute_from_data(struct __pyx_obj_8_c
  *                 del_node(dict[i])
  *         free(fmargin)
  */
-      __pyx_t_12 = ((struct __pyx_vtabstruct_8_cdec_sa_BiLex *)__pyx_v_self->__pyx_vtab)->_add_node(__pyx_v_self, (__pyx_v_dict[__pyx_v_i]), (&__pyx_v_num_pairs), ((double)(__pyx_v_fmargin[__pyx_v_i])), __pyx_v_emargin); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 182; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_12 = ((struct __pyx_vtabstruct_3_sa_BiLex *)__pyx_v_self->__pyx_vtab)->_add_node(__pyx_v_self, (__pyx_v_dict[__pyx_v_i]), (&__pyx_v_num_pairs), ((double)(__pyx_v_fmargin[__pyx_v_i])), __pyx_v_emargin); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 182; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_12);
       __Pyx_DECREF(__pyx_t_12); __pyx_t_12 = 0;
 
@@ -12627,7 +12813,7 @@ static PyObject *__pyx_f_8_cdec_sa_5BiLex_compute_from_data(struct __pyx_obj_8_c
  *         free(fmargin)
  *         free(emargin)
  */
-      __pyx_t_12 = __pyx_f_8_cdec_sa_del_node((__pyx_v_dict[__pyx_v_i])); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 183; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_12 = __pyx_f_3_sa_del_node((__pyx_v_dict[__pyx_v_i])); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 183; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_12);
       __Pyx_DECREF(__pyx_t_12); __pyx_t_12 = 0;
       goto __pyx_L30;
@@ -12682,7 +12868,7 @@ static PyObject *__pyx_f_8_cdec_sa_5BiLex_compute_from_data(struct __pyx_obj_8_c
   __Pyx_XDECREF(__pyx_t_11);
   __Pyx_XDECREF(__pyx_t_12);
   __Pyx_XDECREF(__pyx_t_13);
-  __Pyx_AddTraceback("_cdec_sa.BiLex.compute_from_data", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_AddTraceback("_sa.BiLex.compute_from_data", __pyx_clineno, __pyx_lineno, __pyx_filename);
   __pyx_r = 0;
   __pyx_L0:;
   __Pyx_XDECREF(__pyx_v_word);
@@ -12701,7 +12887,7 @@ static PyObject *__pyx_f_8_cdec_sa_5BiLex_compute_from_data(struct __pyx_obj_8_c
  *         if n.smaller != NULL:
  */
 
-static PyObject *__pyx_f_8_cdec_sa_5BiLex__add_node(struct __pyx_obj_8_cdec_sa_BiLex *__pyx_v_self, struct __pyx_t_8_cdec_sa__node *__pyx_v_n, int *__pyx_v_num_pairs, float __pyx_v_fmargin, int *__pyx_v_emargin) {
+static PyObject *__pyx_f_3_sa_5BiLex__add_node(struct __pyx_obj_3_sa_BiLex *__pyx_v_self, struct __pyx_t_3_sa__node *__pyx_v_n, int *__pyx_v_num_pairs, float __pyx_v_fmargin, int *__pyx_v_emargin) {
   int __pyx_v_loc;
   PyObject *__pyx_r = NULL;
   __Pyx_RefNannyDeclarations
@@ -12729,7 +12915,7 @@ static PyObject *__pyx_f_8_cdec_sa_5BiLex__add_node(struct __pyx_obj_8_cdec_sa_B
  *         loc = num_pairs[0]
  *         self.e_index.set(loc, n.key)
  */
-    __pyx_t_2 = ((struct __pyx_vtabstruct_8_cdec_sa_BiLex *)__pyx_v_self->__pyx_vtab)->_add_node(__pyx_v_self, __pyx_v_n->smaller, __pyx_v_num_pairs, __pyx_v_fmargin, __pyx_v_emargin); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 193; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_2 = ((struct __pyx_vtabstruct_3_sa_BiLex *)__pyx_v_self->__pyx_vtab)->_add_node(__pyx_v_self, __pyx_v_n->smaller, __pyx_v_num_pairs, __pyx_v_fmargin, __pyx_v_emargin); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 193; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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     __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
     goto __pyx_L3;
@@ -12752,7 +12938,7 @@ static PyObject *__pyx_f_8_cdec_sa_5BiLex__add_node(struct __pyx_obj_8_cdec_sa_B
  *         self.col1.set(loc, float(n.val)/fmargin)
  *         self.col2.set(loc, float(n.val)/float(emargin[n.key]))
  */
-  ((struct __pyx_vtabstruct_8_cdec_sa_IntList *)__pyx_v_self->e_index->__pyx_vtab)->set(__pyx_v_self->e_index, __pyx_v_loc, __pyx_v_n->key);
+  ((struct __pyx_vtabstruct_3_sa_IntList *)__pyx_v_self->e_index->__pyx_vtab)->set(__pyx_v_self->e_index, __pyx_v_loc, __pyx_v_n->key);
 
   /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":196
  *         loc = num_pairs[0]
@@ -12765,7 +12951,7 @@ static PyObject *__pyx_f_8_cdec_sa_5BiLex__add_node(struct __pyx_obj_8_cdec_sa_B
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     {__pyx_filename = __pyx_f[5]; __pyx_lineno = 196; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-  ((struct __pyx_vtabstruct_8_cdec_sa_FloatList *)__pyx_v_self->col1->__pyx_vtab)->set(__pyx_v_self->col1, __pyx_v_loc, (((double)__pyx_v_n->val) / __pyx_v_fmargin));
+  ((struct __pyx_vtabstruct_3_sa_FloatList *)__pyx_v_self->col1->__pyx_vtab)->set(__pyx_v_self->col1, __pyx_v_loc, (((double)__pyx_v_n->val) / __pyx_v_fmargin));
 
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+  ((struct __pyx_vtabstruct_3_sa_FloatList *)__pyx_v_self->col2->__pyx_vtab)->set(__pyx_v_self->col2, __pyx_v_loc, (((double)__pyx_v_n->val) / ((double)(__pyx_v_emargin[__pyx_v_n->key]))));
 
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@@ -12806,7 +12992,7 @@ static PyObject *__pyx_f_8_cdec_sa_5BiLex__add_node(struct __pyx_obj_8_cdec_sa_B
  * 
  * 
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+    __pyx_t_2 = ((struct __pyx_vtabstruct_3_sa_BiLex *)__pyx_v_self->__pyx_vtab)->_add_node(__pyx_v_self, __pyx_v_n->bigger, __pyx_v_num_pairs, __pyx_v_fmargin, __pyx_v_emargin); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 200; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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@@ -12817,7 +13003,7 @@ static PyObject *__pyx_f_8_cdec_sa_5BiLex__add_node(struct __pyx_obj_8_cdec_sa_B
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-  __Pyx_AddTraceback("_cdec_sa.BiLex._add_node", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_AddTraceback("_sa.BiLex._add_node", __pyx_clineno, __pyx_lineno, __pyx_filename);
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@@ -12826,8 +13012,8 @@ static PyObject *__pyx_f_8_cdec_sa_5BiLex__add_node(struct __pyx_obj_8_cdec_sa_B
 }
 
 /* Python wrapper */
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-static PyObject *__pyx_pw_8_cdec_sa_5BiLex_3write_binary(PyObject *__pyx_v_self, PyObject *__pyx_arg_filename) {
+static PyObject *__pyx_pw_3_sa_5BiLex_3write_binary(PyObject *__pyx_v_self, PyObject *__pyx_arg_filename); /*proto*/
+static PyObject *__pyx_pw_3_sa_5BiLex_3write_binary(PyObject *__pyx_v_self, PyObject *__pyx_arg_filename) {
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@@ -12837,11 +13023,11 @@ static PyObject *__pyx_pw_8_cdec_sa_5BiLex_3write_binary(PyObject *__pyx_v_self,
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-  __Pyx_AddTraceback("_cdec_sa.BiLex.write_binary", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_AddTraceback("_sa.BiLex.write_binary", __pyx_clineno, __pyx_lineno, __pyx_filename);
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+  __pyx_r = __pyx_pf_3_sa_5BiLex_2write_binary(((struct __pyx_obj_3_sa_BiLex *)__pyx_v_self), ((char *)__pyx_v_filename));
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  */
 
-static PyObject *__pyx_pf_8_cdec_sa_5BiLex_2write_binary(struct __pyx_obj_8_cdec_sa_BiLex *__pyx_v_self, char *__pyx_v_filename) {
+static PyObject *__pyx_pf_3_sa_5BiLex_2write_binary(struct __pyx_obj_3_sa_BiLex *__pyx_v_self, char *__pyx_v_filename) {
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-  ((struct __pyx_vtabstruct_8_cdec_sa_IntList *)__pyx_v_self->f_index->__pyx_vtab)->write_handle(__pyx_v_self->f_index, __pyx_v_f);
+  ((struct __pyx_vtabstruct_3_sa_IntList *)__pyx_v_self->f_index->__pyx_vtab)->write_handle(__pyx_v_self->f_index, __pyx_v_f);
 
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  *         self.col1.write_handle(f)
  *         self.col2.write_handle(f)
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-  ((struct __pyx_vtabstruct_8_cdec_sa_IntList *)__pyx_v_self->e_index->__pyx_vtab)->write_handle(__pyx_v_self->e_index, __pyx_v_f);
+  ((struct __pyx_vtabstruct_3_sa_IntList *)__pyx_v_self->e_index->__pyx_vtab)->write_handle(__pyx_v_self->e_index, __pyx_v_f);
 
   /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":208
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@@ -12899,7 +13085,7 @@ static PyObject *__pyx_pf_8_cdec_sa_5BiLex_2write_binary(struct __pyx_obj_8_cdec
  *         self.col2.write_handle(f)
  *         self.write_wordlist(self.id2fword, f)
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-  ((struct __pyx_vtabstruct_8_cdec_sa_FloatList *)__pyx_v_self->col1->__pyx_vtab)->write_handle(__pyx_v_self->col1, __pyx_v_f);
+  ((struct __pyx_vtabstruct_3_sa_FloatList *)__pyx_v_self->col1->__pyx_vtab)->write_handle(__pyx_v_self->col1, __pyx_v_f);
 
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  *         self.write_wordlist(self.id2eword, f)
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+  ((struct __pyx_vtabstruct_3_sa_FloatList *)__pyx_v_self->col2->__pyx_vtab)->write_handle(__pyx_v_self->col2, __pyx_v_f);
 
   /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":210
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+  __pyx_t_2 = ((struct __pyx_vtabstruct_3_sa_BiLex *)__pyx_v_self->__pyx_vtab)->write_wordlist(__pyx_v_self, __pyx_t_1, __pyx_v_f); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 210; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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@@ -12933,7 +13119,7 @@ static PyObject *__pyx_pf_8_cdec_sa_5BiLex_2write_binary(struct __pyx_obj_8_cdec
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+  __pyx_t_1 = ((struct __pyx_vtabstruct_3_sa_BiLex *)__pyx_v_self->__pyx_vtab)->write_wordlist(__pyx_v_self, __pyx_t_2, __pyx_v_f); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 211; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-  __Pyx_AddTraceback("_cdec_sa.BiLex.write_binary", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_AddTraceback("_sa.BiLex.write_binary", __pyx_clineno, __pyx_lineno, __pyx_filename);
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@@ -12968,7 +13154,7 @@ static PyObject *__pyx_pf_8_cdec_sa_5BiLex_2write_binary(struct __pyx_obj_8_cdec
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-static PyObject *__pyx_f_8_cdec_sa_5BiLex_write_wordlist(CYTHON_UNUSED struct __pyx_obj_8_cdec_sa_BiLex *__pyx_v_self, PyObject *__pyx_v_wordlist, FILE *__pyx_v_f) {
+static PyObject *__pyx_f_3_sa_5BiLex_write_wordlist(CYTHON_UNUSED struct __pyx_obj_3_sa_BiLex *__pyx_v_self, PyObject *__pyx_v_wordlist, FILE *__pyx_v_f) {
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   int __pyx_v_num_words;
   char *__pyx_v_c_word;
@@ -13022,10 +13208,18 @@ static PyObject *__pyx_f_8_cdec_sa_5BiLex_write_wordlist(CYTHON_UNUSED struct __
   for (;;) {
     if (!__pyx_t_3 && PyList_CheckExact(__pyx_t_2)) {
       if (__pyx_t_1 >= PyList_GET_SIZE(__pyx_t_2)) break;
+      #if CYTHON_COMPILING_IN_CPYTHON
       __pyx_t_4 = PyList_GET_ITEM(__pyx_t_2, __pyx_t_1); __Pyx_INCREF(__pyx_t_4); __pyx_t_1++;
+      #else
+      __pyx_t_4 = PySequence_ITEM(__pyx_t_2, __pyx_t_1); __pyx_t_1++; if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 222; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
+      #endif
     } else if (!__pyx_t_3 && PyTuple_CheckExact(__pyx_t_2)) {
       if (__pyx_t_1 >= PyTuple_GET_SIZE(__pyx_t_2)) break;
+      #if CYTHON_COMPILING_IN_CPYTHON
       __pyx_t_4 = PyTuple_GET_ITEM(__pyx_t_2, __pyx_t_1); __Pyx_INCREF(__pyx_t_4); __pyx_t_1++;
+      #else
+      __pyx_t_4 = PySequence_ITEM(__pyx_t_2, __pyx_t_1); __pyx_t_1++; if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 222; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
+      #endif
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@@ -13085,7 +13279,7 @@ static PyObject *__pyx_f_8_cdec_sa_5BiLex_write_wordlist(CYTHON_UNUSED struct __
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-  __Pyx_AddTraceback("_cdec_sa.BiLex.write_wordlist", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_AddTraceback("_sa.BiLex.write_wordlist", __pyx_clineno, __pyx_lineno, __pyx_filename);
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-static PyObject *__pyx_f_8_cdec_sa_5BiLex_read_wordlist(CYTHON_UNUSED struct __pyx_obj_8_cdec_sa_BiLex *__pyx_v_self, PyObject *__pyx_v_word2id, PyObject *__pyx_v_id2word, FILE *__pyx_v_f) {
+static PyObject *__pyx_f_3_sa_5BiLex_read_wordlist(CYTHON_UNUSED struct __pyx_obj_3_sa_BiLex *__pyx_v_self, PyObject *__pyx_v_word2id, PyObject *__pyx_v_id2word, FILE *__pyx_v_f) {
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-  __Pyx_AddTraceback("_cdec_sa.BiLex.read_wordlist", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_AddTraceback("_sa.BiLex.read_wordlist", __pyx_clineno, __pyx_lineno, __pyx_filename);
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@@ -13225,8 +13419,8 @@ static PyObject *__pyx_f_8_cdec_sa_5BiLex_read_wordlist(CYTHON_UNUSED struct __p
 }
 
 /* Python wrapper */
-static PyObject *__pyx_pw_8_cdec_sa_5BiLex_5read_binary(PyObject *__pyx_v_self, PyObject *__pyx_arg_filename); /*proto*/
-static PyObject *__pyx_pw_8_cdec_sa_5BiLex_5read_binary(PyObject *__pyx_v_self, PyObject *__pyx_arg_filename) {
+static PyObject *__pyx_pw_3_sa_5BiLex_5read_binary(PyObject *__pyx_v_self, PyObject *__pyx_arg_filename); /*proto*/
+static PyObject *__pyx_pw_3_sa_5BiLex_5read_binary(PyObject *__pyx_v_self, PyObject *__pyx_arg_filename) {
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@@ -13236,11 +13430,11 @@ static PyObject *__pyx_pw_8_cdec_sa_5BiLex_5read_binary(PyObject *__pyx_v_self,
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-  __Pyx_AddTraceback("_cdec_sa.BiLex.read_binary", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_AddTraceback("_sa.BiLex.read_binary", __pyx_clineno, __pyx_lineno, __pyx_filename);
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+  __pyx_r = __pyx_pf_3_sa_5BiLex_4read_binary(((struct __pyx_obj_3_sa_BiLex *)__pyx_v_self), ((char *)__pyx_v_filename));
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@@ -13253,7 +13447,7 @@ static PyObject *__pyx_pw_8_cdec_sa_5BiLex_5read_binary(PyObject *__pyx_v_self,
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-static PyObject *__pyx_pf_8_cdec_sa_5BiLex_4read_binary(struct __pyx_obj_8_cdec_sa_BiLex *__pyx_v_self, char *__pyx_v_filename) {
+static PyObject *__pyx_pf_3_sa_5BiLex_4read_binary(struct __pyx_obj_3_sa_BiLex *__pyx_v_self, char *__pyx_v_filename) {
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  *         self.col1.read_handle(f)
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-  ((struct __pyx_vtabstruct_8_cdec_sa_IntList *)__pyx_v_self->f_index->__pyx_vtab)->read_handle(__pyx_v_self->f_index, __pyx_v_f);
+  ((struct __pyx_vtabstruct_3_sa_IntList *)__pyx_v_self->f_index->__pyx_vtab)->read_handle(__pyx_v_self->f_index, __pyx_v_f);
 
   /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":249
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+  ((struct __pyx_vtabstruct_3_sa_IntList *)__pyx_v_self->e_index->__pyx_vtab)->read_handle(__pyx_v_self->e_index, __pyx_v_f);
 
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-  ((struct __pyx_vtabstruct_8_cdec_sa_FloatList *)__pyx_v_self->col1->__pyx_vtab)->read_handle(__pyx_v_self->col1, __pyx_v_f);
+  ((struct __pyx_vtabstruct_3_sa_FloatList *)__pyx_v_self->col1->__pyx_vtab)->read_handle(__pyx_v_self->col1, __pyx_v_f);
 
   /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":251
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  *         self.read_wordlist(self.eword2id, self.id2eword, f)
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+  ((struct __pyx_vtabstruct_3_sa_FloatList *)__pyx_v_self->col2->__pyx_vtab)->read_handle(__pyx_v_self->col2, __pyx_v_f);
 
   /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":252
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 /* Python wrapper */
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+static PyObject *__pyx_pw_3_sa_5BiLex_9get_f_id(PyObject *__pyx_v_self, PyObject *__pyx_v_fword); /*proto*/
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+  __pyx_r = __pyx_pf_3_sa_5BiLex_8get_f_id(((struct __pyx_obj_3_sa_BiLex *)__pyx_v_self), ((PyObject *)__pyx_v_fword));
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-static PyObject *__pyx_pf_8_cdec_sa_5BiLex_8get_f_id(struct __pyx_obj_8_cdec_sa_BiLex *__pyx_v_self, PyObject *__pyx_v_fword) {
+static PyObject *__pyx_pf_3_sa_5BiLex_8get_f_id(struct __pyx_obj_3_sa_BiLex *__pyx_v_self, PyObject *__pyx_v_fword) {
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-static PyObject *__pyx_pw_8_cdec_sa_5BiLex_11read_text(PyObject *__pyx_v_self, PyObject *__pyx_arg_filename) {
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+  __pyx_r = __pyx_pf_3_sa_5BiLex_10read_text(((struct __pyx_obj_3_sa_BiLex *)__pyx_v_self), ((char *)__pyx_v_filename));
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+static PyObject *__pyx_pf_3_sa_5BiLex_10read_text(struct __pyx_obj_3_sa_BiLex *__pyx_v_self, char *__pyx_v_filename) {
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-  struct __pyx_obj_8_cdec_sa_IntList *__pyx_v_fcount = 0;
+  struct __pyx_obj_3_sa_IntList *__pyx_v_fcount = 0;
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+  __pyx_t_1 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_IntList)), ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 277; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-  __pyx_v_fcount = ((struct __pyx_obj_8_cdec_sa_IntList *)__pyx_t_1);
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+              #endif
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+              #if CYTHON_COMPILING_IN_CPYTHON
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+              #else
+              __pyx_t_2 = PySequence_ITEM(__pyx_t_1, __pyx_t_8); __pyx_t_8++; if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 280; __pyx_clineno = __LINE__; goto __pyx_L7_error;};
+              #endif
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           if (PyDict_SetItem(__pyx_t_1, ((PyObject *)__pyx_n_s__initial_len), __pyx_v_N) < 0) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 297; __pyx_clineno = __LINE__; goto __pyx_L7_error;}
-          __pyx_t_12 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_8_cdec_sa_IntList)), ((PyObject *)__pyx_empty_tuple), ((PyObject *)__pyx_t_1)); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 297; __pyx_clineno = __LINE__; goto __pyx_L7_error;}
+          __pyx_t_12 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_IntList)), ((PyObject *)__pyx_empty_tuple), ((PyObject *)__pyx_t_1)); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 297; __pyx_clineno = __LINE__; goto __pyx_L7_error;}
           __Pyx_GOTREF(__pyx_t_12);
           __Pyx_DECREF(((PyObject *)__pyx_t_1)); __pyx_t_1 = 0;
           __Pyx_GIVEREF(__pyx_t_12);
           __Pyx_GOTREF(__pyx_v_self->e_index);
           __Pyx_DECREF(((PyObject *)__pyx_v_self->e_index));
-          __pyx_v_self->e_index = ((struct __pyx_obj_8_cdec_sa_IntList *)__pyx_t_12);
+          __pyx_v_self->e_index = ((struct __pyx_obj_3_sa_IntList *)__pyx_t_12);
           __pyx_t_12 = 0;
 
           /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":298
@@ -14063,13 +14274,13 @@ static PyObject *__pyx_pf_8_cdec_sa_5BiLex_10read_text(struct __pyx_obj_8_cdec_s
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           __Pyx_GOTREF(((PyObject *)__pyx_t_12));
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-          __pyx_t_1 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_8_cdec_sa_FloatList)), ((PyObject *)__pyx_empty_tuple), ((PyObject *)__pyx_t_12)); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 298; __pyx_clineno = __LINE__; goto __pyx_L7_error;}
+          __pyx_t_1 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_FloatList)), ((PyObject *)__pyx_empty_tuple), ((PyObject *)__pyx_t_12)); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 298; __pyx_clineno = __LINE__; goto __pyx_L7_error;}
           __Pyx_GOTREF(__pyx_t_1);
           __Pyx_DECREF(((PyObject *)__pyx_t_12)); __pyx_t_12 = 0;
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           __Pyx_GOTREF(__pyx_v_self->col1);
           __Pyx_DECREF(((PyObject *)__pyx_v_self->col1));
-          __pyx_v_self->col1 = ((struct __pyx_obj_8_cdec_sa_FloatList *)__pyx_t_1);
+          __pyx_v_self->col1 = ((struct __pyx_obj_3_sa_FloatList *)__pyx_t_1);
           __pyx_t_1 = 0;
 
           /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":299
@@ -14082,13 +14293,13 @@ static PyObject *__pyx_pf_8_cdec_sa_5BiLex_10read_text(struct __pyx_obj_8_cdec_s
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           __Pyx_GOTREF(((PyObject *)__pyx_t_1));
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-          __pyx_t_12 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_8_cdec_sa_FloatList)), ((PyObject *)__pyx_empty_tuple), ((PyObject *)__pyx_t_1)); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 299; __pyx_clineno = __LINE__; goto __pyx_L7_error;}
+          __pyx_t_12 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_FloatList)), ((PyObject *)__pyx_empty_tuple), ((PyObject *)__pyx_t_1)); if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 299; __pyx_clineno = __LINE__; goto __pyx_L7_error;}
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           __Pyx_DECREF(((PyObject *)__pyx_t_1)); __pyx_t_1 = 0;
           __Pyx_GIVEREF(__pyx_t_12);
           __Pyx_GOTREF(__pyx_v_self->col2);
           __Pyx_DECREF(((PyObject *)__pyx_v_self->col2));
-          __pyx_v_self->col2 = ((struct __pyx_obj_8_cdec_sa_FloatList *)__pyx_t_12);
+          __pyx_v_self->col2 = ((struct __pyx_obj_3_sa_FloatList *)__pyx_t_12);
           __pyx_t_12 = 0;
 
           /* "/Users/vchahun/Sandbox/cdec/python/src/sa/bilex.pxi":302
@@ -14123,10 +14334,18 @@ static PyObject *__pyx_pf_8_cdec_sa_5BiLex_10read_text(struct __pyx_obj_8_cdec_s
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             if (!__pyx_t_9 && PyList_CheckExact(__pyx_t_1)) {
               if (__pyx_t_8 >= PyList_GET_SIZE(__pyx_t_1)) break;
+              #if CYTHON_COMPILING_IN_CPYTHON
               __pyx_t_12 = PyList_GET_ITEM(__pyx_t_1, __pyx_t_8); __Pyx_INCREF(__pyx_t_12); __pyx_t_8++;
+              #else
+              __pyx_t_12 = PySequence_ITEM(__pyx_t_1, __pyx_t_8); __pyx_t_8++; if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 303; __pyx_clineno = __LINE__; goto __pyx_L7_error;};
+              #endif
             } else if (!__pyx_t_9 && PyTuple_CheckExact(__pyx_t_1)) {
               if (__pyx_t_8 >= PyTuple_GET_SIZE(__pyx_t_1)) break;
+              #if CYTHON_COMPILING_IN_CPYTHON
               __pyx_t_12 = PyTuple_GET_ITEM(__pyx_t_1, __pyx_t_8); __Pyx_INCREF(__pyx_t_12); __pyx_t_8++;
+              #else
+              __pyx_t_12 = PySequence_ITEM(__pyx_t_1, __pyx_t_8); __pyx_t_8++; if (unlikely(!__pyx_t_12)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 303; __pyx_clineno = __LINE__; goto __pyx_L7_error;};
+              #endif
             } else {
               __pyx_t_12 = __pyx_t_9(__pyx_t_1);
               if (unlikely(!__pyx_t_12)) {
@@ -14156,22 +14375,23 @@ static PyObject *__pyx_pf_8_cdec_sa_5BiLex_10read_text(struct __pyx_obj_8_cdec_s
             __Pyx_DECREF(__pyx_t_12); __pyx_t_12 = 0;
             if ((likely(PyTuple_CheckExact(__pyx_t_3))) || (PyList_CheckExact(__pyx_t_3))) {
               PyObject* sequence = __pyx_t_3;
+              #if CYTHON_COMPILING_IN_CPYTHON
+              Py_ssize_t size = Py_SIZE(sequence);
+              #else
+              Py_ssize_t size = PySequence_Size(sequence);
+              #endif
+              if (unlikely(size != 4)) {
+                if (size > 4) __Pyx_RaiseTooManyValuesError(4);
+                else if (size >= 0) __Pyx_RaiseNeedMoreValuesError(size);
+                {__pyx_filename = __pyx_f[5]; __pyx_lineno = 304; __pyx_clineno = __LINE__; goto __pyx_L7_error;}
+              }
+              #if CYTHON_COMPILING_IN_CPYTHON
               if (likely(PyTuple_CheckExact(sequence))) {
-                if (unlikely(PyTuple_GET_SIZE(sequence) != 4)) {
-                  if (PyTuple_GET_SIZE(sequence) > 4) __Pyx_RaiseTooManyValuesError(4);
-                  else __Pyx_RaiseNeedMoreValuesError(PyTuple_GET_SIZE(sequence));
-                  {__pyx_filename = __pyx_f[5]; __pyx_lineno = 304; __pyx_clineno = __LINE__; goto __pyx_L7_error;}
-                }
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                 __pyx_t_11 = PyTuple_GET_ITEM(sequence, 1); 
                 __pyx_t_10 = PyTuple_GET_ITEM(sequence, 2); 
                 __pyx_t_2 = PyTuple_GET_ITEM(sequence, 3); 
               } else {
-                if (unlikely(PyList_GET_SIZE(sequence) != 4)) {
-                  if (PyList_GET_SIZE(sequence) > 4) __Pyx_RaiseTooManyValuesError(4);
-                  else __Pyx_RaiseNeedMoreValuesError(PyList_GET_SIZE(sequence));
-                  {__pyx_filename = __pyx_f[5]; __pyx_lineno = 304; __pyx_clineno = __LINE__; goto __pyx_L7_error;}
-                }
                 __pyx_t_12 = PyList_GET_ITEM(sequence, 0); 
                 __pyx_t_11 = PyList_GET_ITEM(sequence, 1); 
                 __pyx_t_10 = PyList_GET_ITEM(sequence, 2); 
@@ -14181,28 +14401,36 @@ static PyObject *__pyx_pf_8_cdec_sa_5BiLex_10read_text(struct __pyx_obj_8_cdec_s
               __Pyx_INCREF(__pyx_t_11);
               __Pyx_INCREF(__pyx_t_10);
               __Pyx_INCREF(__pyx_t_2);
+              #else
+              Py_ssize_t i;
+              PyObject** temps[4] = {&__pyx_t_12,&__pyx_t_11,&__pyx_t_10,&__pyx_t_2};
+              for (i=0; i < 4; i++) {
+                PyObject* item = PySequence_ITEM(sequence, i); if (unlikely(!item)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 304; __pyx_clineno = __LINE__; goto __pyx_L7_error;}
+                *(temps[i]) = item;
+              }
+              #endif
               __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
-            } else {
+            } else
+            {
               Py_ssize_t index = -1;
+              PyObject** temps[4] = {&__pyx_t_12,&__pyx_t_11,&__pyx_t_10,&__pyx_t_2};
               __pyx_t_13 = PyObject_GetIter(__pyx_t_3); if (unlikely(!__pyx_t_13)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 304; __pyx_clineno = __LINE__; goto __pyx_L7_error;}
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               __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
               __pyx_t_14 = Py_TYPE(__pyx_t_13)->tp_iternext;
-              index = 0; __pyx_t_12 = __pyx_t_14(__pyx_t_13); if (unlikely(!__pyx_t_12)) goto __pyx_L26_unpacking_failed;
-              __Pyx_GOTREF(__pyx_t_12);
-              index = 1; __pyx_t_11 = __pyx_t_14(__pyx_t_13); if (unlikely(!__pyx_t_11)) goto __pyx_L26_unpacking_failed;
-              __Pyx_GOTREF(__pyx_t_11);
-              index = 2; __pyx_t_10 = __pyx_t_14(__pyx_t_13); if (unlikely(!__pyx_t_10)) goto __pyx_L26_unpacking_failed;
-              __Pyx_GOTREF(__pyx_t_10);
-              index = 3; __pyx_t_2 = __pyx_t_14(__pyx_t_13); if (unlikely(!__pyx_t_2)) goto __pyx_L26_unpacking_failed;
-              __Pyx_GOTREF(__pyx_t_2);
+              for (index=0; index < 4; index++) {
+                PyObject* item = __pyx_t_14(__pyx_t_13); if (unlikely(!item)) goto __pyx_L26_unpacking_failed;
+                __Pyx_GOTREF(item);
+                *(temps[index]) = item;
+              }
               if (__Pyx_IternextUnpackEndCheck(__pyx_t_14(__pyx_t_13), 4) < 0) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 304; __pyx_clineno = __LINE__; goto __pyx_L7_error;}
+              __pyx_t_14 = NULL;
               __Pyx_DECREF(__pyx_t_13); __pyx_t_13 = 0;
               goto __pyx_L27_unpacking_done;
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               __Pyx_DECREF(__pyx_t_13); __pyx_t_13 = 0;
-              if (PyErr_Occurred() && PyErr_ExceptionMatches(PyExc_StopIteration)) PyErr_Clear();
-              if (!PyErr_Occurred()) __Pyx_RaiseNeedMoreValuesError(index);
+              __pyx_t_14 = NULL;
+              if (__Pyx_IterFinish() == 0) __Pyx_RaiseNeedMoreValuesError(index);
               {__pyx_filename = __pyx_f[5]; __pyx_lineno = 304; __pyx_clineno = __LINE__; goto __pyx_L7_error;}
               __pyx_L27_unpacking_done:;
             }
@@ -14358,7 +14586,7 @@ static PyObject *__pyx_pf_8_cdec_sa_5BiLex_10read_text(struct __pyx_obj_8_cdec_s
  *             for line in f:
  */
         /*except:*/ {
-          __Pyx_AddTraceback("_cdec_sa.BiLex.read_text", __pyx_clineno, __pyx_lineno, __pyx_filename);
+          __Pyx_AddTraceback("_sa.BiLex.read_text", __pyx_clineno, __pyx_lineno, __pyx_filename);
           if (__Pyx_GetException(&__pyx_t_1, &__pyx_t_2, &__pyx_t_3) < 0) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 278; __pyx_clineno = __LINE__; goto __pyx_L9_except_error;}
           __Pyx_GOTREF(__pyx_t_1);
           __Pyx_GOTREF(__pyx_t_2);
@@ -14488,7 +14716,7 @@ static PyObject *__pyx_pf_8_cdec_sa_5BiLex_10read_text(struct __pyx_obj_8_cdec_s
     __pyx_t_24 = __Pyx_PyInt_AsInt(__pyx_v_j); if (unlikely((__pyx_t_24 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 317; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __pyx_t_3 = ((PyObject *)__pyx_kp_s_42);
     __Pyx_INCREF(__pyx_t_3);
-    __pyx_t_2 = ((struct __pyx_vtabstruct_8_cdec_sa_BiLex *)__pyx_v_self->__pyx_vtab)->qsort(__pyx_v_self, __pyx_t_20, __pyx_t_24, __pyx_t_3); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 317; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_2 = ((struct __pyx_vtabstruct_3_sa_BiLex *)__pyx_v_self->__pyx_vtab)->qsort(__pyx_v_self, __pyx_t_20, __pyx_t_24, __pyx_t_3); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 317; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_2);
     __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
     __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
@@ -14518,7 +14746,7 @@ static PyObject *__pyx_pf_8_cdec_sa_5BiLex_10read_text(struct __pyx_obj_8_cdec_s
   __Pyx_XDECREF(__pyx_t_11);
   __Pyx_XDECREF(__pyx_t_12);
   __Pyx_XDECREF(__pyx_t_13);
-  __Pyx_AddTraceback("_cdec_sa.BiLex.read_text", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_AddTraceback("_sa.BiLex.read_text", __pyx_clineno, __pyx_lineno, __pyx_filename);
   __pyx_r = NULL;
   __pyx_L0:;
   __Pyx_XDECREF(__pyx_v_i);
@@ -14549,7 +14777,7 @@ static PyObject *__pyx_pf_8_cdec_sa_5BiLex_10read_text(struct __pyx_obj_8_cdec_s
  *         cdef float ftmp
  */
 
-static PyObject *__pyx_f_8_cdec_sa_5BiLex_swap(struct __pyx_obj_8_cdec_sa_BiLex *__pyx_v_self, int __pyx_v_i, int __pyx_v_j) {
+static PyObject *__pyx_f_3_sa_5BiLex_swap(struct __pyx_obj_3_sa_BiLex *__pyx_v_self, int __pyx_v_i, int __pyx_v_j) {
   int __pyx_v_itmp;
   float __pyx_v_ftmp;
   PyObject *__pyx_r = NULL;
@@ -14677,7 +14905,7 @@ static PyObject *__pyx_f_8_cdec_sa_5BiLex_swap(struct __pyx_obj_8_cdec_sa_BiLex
  * 
  */
 
-static PyObject *__pyx_f_8_cdec_sa_5BiLex_qsort(struct __pyx_obj_8_cdec_sa_BiLex *__pyx_v_self, int __pyx_v_i, int __pyx_v_j, PyObject *__pyx_v_pad) {
+static PyObject *__pyx_f_3_sa_5BiLex_qsort(struct __pyx_obj_3_sa_BiLex *__pyx_v_self, int __pyx_v_i, int __pyx_v_j, PyObject *__pyx_v_pad) {
   int __pyx_v_pval;
   int __pyx_v_p;
   long __pyx_v_k;
@@ -14791,7 +15019,7 @@ static PyObject *__pyx_f_8_cdec_sa_5BiLex_qsort(struct __pyx_obj_8_cdec_sa_BiLex
  *         p = i
  *         for k from i+1 <= k < j:
  */
-  __pyx_t_2 = ((struct __pyx_vtabstruct_8_cdec_sa_BiLex *)__pyx_v_self->__pyx_vtab)->swap(__pyx_v_self, __pyx_v_i, __pyx_v_p); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 352; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_2 = ((struct __pyx_vtabstruct_3_sa_BiLex *)__pyx_v_self->__pyx_vtab)->swap(__pyx_v_self, __pyx_v_i, __pyx_v_p); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 352; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_2);
   __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
 
@@ -14831,7 +15059,7 @@ static PyObject *__pyx_f_8_cdec_sa_5BiLex_qsort(struct __pyx_obj_8_cdec_sa_BiLex
  *                 self.swap(p, p+1)
  *                 p = p + 1
  */
-      __pyx_t_2 = ((struct __pyx_vtabstruct_8_cdec_sa_BiLex *)__pyx_v_self->__pyx_vtab)->swap(__pyx_v_self, (__pyx_v_p + 1), __pyx_v_k); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 356; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_2 = ((struct __pyx_vtabstruct_3_sa_BiLex *)__pyx_v_self->__pyx_vtab)->swap(__pyx_v_self, (__pyx_v_p + 1), __pyx_v_k); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 356; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_2);
       __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
 
@@ -14842,7 +15070,7 @@ static PyObject *__pyx_f_8_cdec_sa_5BiLex_qsort(struct __pyx_obj_8_cdec_sa_BiLex
  *                 p = p + 1
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  */
-      __pyx_t_2 = ((struct __pyx_vtabstruct_8_cdec_sa_BiLex *)__pyx_v_self->__pyx_vtab)->swap(__pyx_v_self, __pyx_v_p, (__pyx_v_p + 1)); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 357; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_2 = ((struct __pyx_vtabstruct_3_sa_BiLex *)__pyx_v_self->__pyx_vtab)->swap(__pyx_v_self, __pyx_v_p, (__pyx_v_p + 1)); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 357; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_2);
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@@ -14868,7 +15096,7 @@ static PyObject *__pyx_f_8_cdec_sa_5BiLex_qsort(struct __pyx_obj_8_cdec_sa_BiLex
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   __Pyx_GOTREF(__pyx_t_2);
-  __pyx_t_4 = ((struct __pyx_vtabstruct_8_cdec_sa_BiLex *)__pyx_v_self->__pyx_vtab)->qsort(__pyx_v_self, __pyx_v_i, __pyx_v_p, __pyx_t_2); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 359; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_4 = ((struct __pyx_vtabstruct_3_sa_BiLex *)__pyx_v_self->__pyx_vtab)->qsort(__pyx_v_self, __pyx_v_i, __pyx_v_p, __pyx_t_2); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 359; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_4);
   __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
   __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
@@ -14882,7 +15110,7 @@ static PyObject *__pyx_f_8_cdec_sa_5BiLex_qsort(struct __pyx_obj_8_cdec_sa_BiLex
  */
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+  __pyx_t_2 = ((struct __pyx_vtabstruct_3_sa_BiLex *)__pyx_v_self->__pyx_vtab)->qsort(__pyx_v_self, (__pyx_v_p + 1), __pyx_v_j, __pyx_t_4); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 360; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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@@ -14892,7 +15120,7 @@ static PyObject *__pyx_f_8_cdec_sa_5BiLex_qsort(struct __pyx_obj_8_cdec_sa_BiLex
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-  __Pyx_AddTraceback("_cdec_sa.BiLex.qsort", __pyx_clineno, __pyx_lineno, __pyx_filename);
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@@ -14901,8 +15129,8 @@ static PyObject *__pyx_f_8_cdec_sa_5BiLex_qsort(struct __pyx_obj_8_cdec_sa_BiLex
 }
 
 /* Python wrapper */
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-static PyObject *__pyx_pw_8_cdec_sa_5BiLex_13write_enhanced(PyObject *__pyx_v_self, PyObject *__pyx_arg_filename) {
+static PyObject *__pyx_pw_3_sa_5BiLex_13write_enhanced(PyObject *__pyx_v_self, PyObject *__pyx_arg_filename); /*proto*/
+static PyObject *__pyx_pw_3_sa_5BiLex_13write_enhanced(PyObject *__pyx_v_self, PyObject *__pyx_arg_filename) {
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   __pyx_L3_error:;
-  __Pyx_AddTraceback("_cdec_sa.BiLex.write_enhanced", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_AddTraceback("_sa.BiLex.write_enhanced", __pyx_clineno, __pyx_lineno, __pyx_filename);
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+  __pyx_r = __pyx_pf_3_sa_5BiLex_12write_enhanced(((struct __pyx_obj_3_sa_BiLex *)__pyx_v_self), ((char *)__pyx_v_filename));
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-static PyObject *__pyx_pf_8_cdec_sa_5BiLex_12write_enhanced(struct __pyx_obj_8_cdec_sa_BiLex *__pyx_v_self, char *__pyx_v_filename) {
+static PyObject *__pyx_pf_3_sa_5BiLex_12write_enhanced(struct __pyx_obj_3_sa_BiLex *__pyx_v_self, char *__pyx_v_filename) {
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             if (!__pyx_t_9 && PyList_CheckExact(__pyx_t_4)) {
               if (__pyx_t_8 >= PyList_GET_SIZE(__pyx_t_4)) break;
+              #if CYTHON_COMPILING_IN_CPYTHON
               __pyx_t_1 = PyList_GET_ITEM(__pyx_t_4, __pyx_t_8); __Pyx_INCREF(__pyx_t_1); __pyx_t_8++;
+              #else
+              __pyx_t_1 = PySequence_ITEM(__pyx_t_4, __pyx_t_8); __pyx_t_8++; if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 365; __pyx_clineno = __LINE__; goto __pyx_L7_error;};
+              #endif
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               if (__pyx_t_8 >= PyTuple_GET_SIZE(__pyx_t_4)) break;
+              #if CYTHON_COMPILING_IN_CPYTHON
               __pyx_t_1 = PyTuple_GET_ITEM(__pyx_t_4, __pyx_t_8); __Pyx_INCREF(__pyx_t_1); __pyx_t_8++;
+              #else
+              __pyx_t_1 = PySequence_ITEM(__pyx_t_4, __pyx_t_8); __pyx_t_8++; if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 365; __pyx_clineno = __LINE__; goto __pyx_L7_error;};
+              #endif
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@@ -15106,10 +15342,18 @@ static PyObject *__pyx_pf_8_cdec_sa_5BiLex_12write_enhanced(struct __pyx_obj_8_c
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             if (!__pyx_t_9 && PyList_CheckExact(__pyx_t_2)) {
               if (__pyx_t_8 >= PyList_GET_SIZE(__pyx_t_2)) break;
+              #if CYTHON_COMPILING_IN_CPYTHON
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+              #else
+              __pyx_t_4 = PySequence_ITEM(__pyx_t_2, __pyx_t_8); __pyx_t_8++; if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 368; __pyx_clineno = __LINE__; goto __pyx_L7_error;};
+              #endif
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+              #if CYTHON_COMPILING_IN_CPYTHON
               __pyx_t_4 = PyTuple_GET_ITEM(__pyx_t_2, __pyx_t_8); __Pyx_INCREF(__pyx_t_4); __pyx_t_8++;
+              #else
+              __pyx_t_4 = PySequence_ITEM(__pyx_t_2, __pyx_t_8); __pyx_t_8++; if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 368; __pyx_clineno = __LINE__; goto __pyx_L7_error;};
+              #endif
             } else {
               __pyx_t_4 = __pyx_t_9(__pyx_t_2);
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@@ -15123,21 +15367,22 @@ static PyObject *__pyx_pf_8_cdec_sa_5BiLex_12write_enhanced(struct __pyx_obj_8_c
             }
             if ((likely(PyTuple_CheckExact(__pyx_t_4))) || (PyList_CheckExact(__pyx_t_4))) {
               PyObject* sequence = __pyx_t_4;
+              #if CYTHON_COMPILING_IN_CPYTHON
+              Py_ssize_t size = Py_SIZE(sequence);
+              #else
+              Py_ssize_t size = PySequence_Size(sequence);
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+              #else
+              __pyx_t_10 = PySequence_ITEM(sequence, 0); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 368; __pyx_clineno = __LINE__; goto __pyx_L7_error;}
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+              #endif
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-              if (PyErr_Occurred() && PyErr_ExceptionMatches(PyExc_StopIteration)) PyErr_Clear();
-              if (!PyErr_Occurred()) __Pyx_RaiseNeedMoreValuesError(index);
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@@ -15248,10 +15500,18 @@ static PyObject *__pyx_pf_8_cdec_sa_5BiLex_12write_enhanced(struct __pyx_obj_8_c
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             if (!__pyx_t_9 && PyList_CheckExact(__pyx_t_2)) {
               if (__pyx_t_8 >= PyList_GET_SIZE(__pyx_t_2)) break;
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+              #if CYTHON_COMPILING_IN_CPYTHON
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+              #else
+              __pyx_t_11 = PySequence_ITEM(__pyx_t_2, __pyx_t_8); __pyx_t_8++; if (unlikely(!__pyx_t_11)) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 371; __pyx_clineno = __LINE__; goto __pyx_L7_error;};
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@@ -15343,10 +15603,18 @@ static PyObject *__pyx_pf_8_cdec_sa_5BiLex_12write_enhanced(struct __pyx_obj_8_c
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+              #if CYTHON_COMPILING_IN_CPYTHON
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@@ -15928,7 +16193,7 @@ static PyObject *__pyx_pf_8_cdec_sa_5BiLex_14get_score(struct __pyx_obj_8_cdec_s
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-  __Pyx_AddTraceback("_cdec_sa.BiLex.get_score", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_AddTraceback("_sa.BiLex.get_score", __pyx_clineno, __pyx_lineno, __pyx_filename);
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@@ -15943,9 +16208,9 @@ static PyObject *__pyx_pf_8_cdec_sa_5BiLex_14get_score(struct __pyx_obj_8_cdec_s
 }
 
 /* Python wrapper */
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-static PyObject *__pyx_pw_8_cdec_sa_5BiLex_17write_text(PyObject *__pyx_v_self, PyObject *__pyx_arg_filename) {
+static PyObject *__pyx_pw_3_sa_5BiLex_17write_text(PyObject *__pyx_v_self, PyObject *__pyx_arg_filename); /*proto*/
+static char __pyx_doc_3_sa_5BiLex_16write_text[] = "Note: does not guarantee writing the dictionary in the original order";
+static PyObject *__pyx_pw_3_sa_5BiLex_17write_text(PyObject *__pyx_v_self, PyObject *__pyx_arg_filename) {
   char *__pyx_v_filename;
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   __pyx_L3_error:;
-  __Pyx_AddTraceback("_cdec_sa.BiLex.write_text", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_AddTraceback("_sa.BiLex.write_text", __pyx_clineno, __pyx_lineno, __pyx_filename);
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-  __pyx_r = __pyx_pf_8_cdec_sa_5BiLex_16write_text(((struct __pyx_obj_8_cdec_sa_BiLex *)__pyx_v_self), ((char *)__pyx_v_filename));
+  __pyx_r = __pyx_pf_3_sa_5BiLex_16write_text(((struct __pyx_obj_3_sa_BiLex *)__pyx_v_self), ((char *)__pyx_v_filename));
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@@ -15972,7 +16237,7 @@ static PyObject *__pyx_pw_8_cdec_sa_5BiLex_17write_text(PyObject *__pyx_v_self,
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-static PyObject *__pyx_pf_8_cdec_sa_5BiLex_16write_text(struct __pyx_obj_8_cdec_sa_BiLex *__pyx_v_self, char *__pyx_v_filename) {
+static PyObject *__pyx_pf_3_sa_5BiLex_16write_text(struct __pyx_obj_3_sa_BiLex *__pyx_v_self, char *__pyx_v_filename) {
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   PyObject *__pyx_v_N = 0;
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@@ -16230,7 +16495,7 @@ static PyObject *__pyx_pf_8_cdec_sa_5BiLex_16write_text(struct __pyx_obj_8_cdec_
  *             f_id = 0
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         /*except:*/ {
-          __Pyx_AddTraceback("_cdec_sa.BiLex.write_text", __pyx_clineno, __pyx_lineno, __pyx_filename);
+          __Pyx_AddTraceback("_sa.BiLex.write_text", __pyx_clineno, __pyx_lineno, __pyx_filename);
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@@ -16309,7 +16574,7 @@ static PyObject *__pyx_pf_8_cdec_sa_5BiLex_16write_text(struct __pyx_obj_8_cdec_
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-  __Pyx_AddTraceback("_cdec_sa.BiLex.write_text", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_AddTraceback("_sa.BiLex.write_text", __pyx_clineno, __pyx_lineno, __pyx_filename);
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@@ -16332,7 +16597,7 @@ static PyObject *__pyx_pf_8_cdec_sa_5BiLex_16write_text(struct __pyx_obj_8_cdec_
  *     cdef int mask = 0
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-static void __pyx_f_8_cdec_sa__init_lower_mask(void) {
+static void __pyx_f_3_sa__init_lower_mask(void) {
   unsigned int __pyx_v_i;
   int __pyx_v_mask;
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@@ -16356,7 +16621,7 @@ static void __pyx_f_8_cdec_sa__init_lower_mask(void) {
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  *         LOWER_MASK[i] = mask
  */
-  __pyx_t_1 = __pyx_v_8_cdec_sa_MIN_BOTTOM_SIZE;
+  __pyx_t_1 = __pyx_v_3_sa_MIN_BOTTOM_SIZE;
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@@ -16376,7 +16641,7 @@ static void __pyx_f_8_cdec_sa__init_lower_mask(void) {
  * 
  * _init_lower_mask()
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-    (__pyx_v_8_cdec_sa_LOWER_MASK[__pyx_v_i]) = __pyx_v_mask;
+    (__pyx_v_3_sa_LOWER_MASK[__pyx_v_i]) = __pyx_v_mask;
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-static struct __pyx_t_8_cdec_sa__BitSet *__pyx_f_8_cdec_sa_new_BitSet(void) {
-  struct __pyx_t_8_cdec_sa__BitSet *__pyx_v_b;
-  struct __pyx_t_8_cdec_sa__BitSet *__pyx_r;
+static struct __pyx_t_3_sa__BitSet *__pyx_f_3_sa_new_BitSet(void) {
+  struct __pyx_t_3_sa__BitSet *__pyx_v_b;
+  struct __pyx_t_3_sa__BitSet *__pyx_r;
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@@ -16403,7 +16668,7 @@ static struct __pyx_t_8_cdec_sa__BitSet *__pyx_f_8_cdec_sa_new_BitSet(void) {
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  */
-  __pyx_v_b = ((struct __pyx_t_8_cdec_sa__BitSet *)malloc((sizeof(struct __pyx_t_8_cdec_sa__BitSet))));
+  __pyx_v_b = ((struct __pyx_t_3_sa__BitSet *)malloc((sizeof(struct __pyx_t_3_sa__BitSet))));
 
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@@ -16465,7 +16730,7 @@ static struct __pyx_t_8_cdec_sa__BitSet *__pyx_f_8_cdec_sa_new_BitSet(void) {
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  */
 
-static int __pyx_f_8_cdec_sa_bitset_findsucc(struct __pyx_t_8_cdec_sa__BitSet *__pyx_v_b, int __pyx_v_i) {
+static int __pyx_f_3_sa_bitset_findsucc(struct __pyx_t_3_sa__BitSet *__pyx_v_b, int __pyx_v_i) {
   int __pyx_v_bitset;
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@@ -16537,7 +16802,7 @@ static int __pyx_f_8_cdec_sa_bitset_findsucc(struct __pyx_t_8_cdec_sa__BitSet *_
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-  __pyx_v_bitset = (__pyx_v_b->bitset & (~(__pyx_v_8_cdec_sa_LOWER_MASK[__pyx_v_i])));
+  __pyx_v_bitset = (__pyx_v_b->bitset & (~(__pyx_v_3_sa_LOWER_MASK[__pyx_v_i])));
 
   /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":58
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@@ -16584,7 +16849,7 @@ static int __pyx_f_8_cdec_sa_bitset_findsucc(struct __pyx_t_8_cdec_sa__BitSet *_
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-    __pyx_v_mask = (~((__pyx_v_8_cdec_sa_LOWER_MASK[(__pyx_v_high - 1)]) ^ (__pyx_v_8_cdec_sa_LOWER_MASK[(__pyx_v_mid - 1)])));
+    __pyx_v_mask = (~((__pyx_v_3_sa_LOWER_MASK[(__pyx_v_high - 1)]) ^ (__pyx_v_3_sa_LOWER_MASK[(__pyx_v_mid - 1)])));
 
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@@ -16653,7 +16918,7 @@ static int __pyx_f_8_cdec_sa_bitset_findsucc(struct __pyx_t_8_cdec_sa__BitSet *_
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  */
 
-static int __pyx_f_8_cdec_sa_bitset_insert(struct __pyx_t_8_cdec_sa__BitSet *__pyx_v_b, int __pyx_v_i) {
+static int __pyx_f_3_sa_bitset_insert(struct __pyx_t_3_sa__BitSet *__pyx_v_b, int __pyx_v_i) {
   int __pyx_v_val;
   int __pyx_r;
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  */
 
-static int __pyx_f_8_cdec_sa_bitset_contains(struct __pyx_t_8_cdec_sa__BitSet *__pyx_v_b, int __pyx_v_i) {
+static int __pyx_f_3_sa_bitset_contains(struct __pyx_t_3_sa__BitSet *__pyx_v_b, int __pyx_v_i) {
   int __pyx_v_val;
   int __pyx_r;
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 }
 
 /* Python wrapper */
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-static PyObject *__pyx_pw_8_cdec_sa_14BitSetIterator_1__next__(PyObject *__pyx_v_self) {
+static PyObject *__pyx_pw_3_sa_14BitSetIterator_1__next__(PyObject *__pyx_v_self); /*proto*/
+static PyObject *__pyx_pw_3_sa_14BitSetIterator_1__next__(PyObject *__pyx_v_self) {
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-  __pyx_r = __pyx_pf_8_cdec_sa_14BitSetIterator___next__(((struct __pyx_obj_8_cdec_sa_BitSetIterator *)__pyx_v_self));
+  __pyx_r = __pyx_pf_3_sa_14BitSetIterator___next__(((struct __pyx_obj_3_sa_BitSetIterator *)__pyx_v_self));
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@@ -16887,7 +17152,7 @@ static PyObject *__pyx_pw_8_cdec_sa_14BitSetIterator_1__next__(PyObject *__pyx_v
  * 
  */
 
-static PyObject *__pyx_pf_8_cdec_sa_14BitSetIterator___next__(struct __pyx_obj_8_cdec_sa_BitSetIterator *__pyx_v_self) {
+static PyObject *__pyx_pf_3_sa_14BitSetIterator___next__(struct __pyx_obj_3_sa_BitSetIterator *__pyx_v_self) {
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-  __pyx_v_self->next_val = __pyx_f_8_cdec_sa_bitset_findsucc(__pyx_v_self->b, __pyx_v_ret_val);
+  __pyx_v_self->next_val = __pyx_f_3_sa_bitset_findsucc(__pyx_v_self->b, __pyx_v_ret_val);
 
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@@ -16960,7 +17225,7 @@ static PyObject *__pyx_pf_8_cdec_sa_14BitSetIterator___next__(struct __pyx_obj_8
   goto __pyx_L0;
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-  __Pyx_AddTraceback("_cdec_sa.BitSetIterator.__next__", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_AddTraceback("_sa.BitSetIterator.__next__", __pyx_clineno, __pyx_lineno, __pyx_filename);
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@@ -16969,15 +17234,15 @@ static PyObject *__pyx_pf_8_cdec_sa_14BitSetIterator___next__(struct __pyx_obj_8
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 /* Python wrapper */
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-static int __pyx_pw_8_cdec_sa_6BitSet_1__cinit__(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
+static int __pyx_pw_3_sa_6BitSet_1__cinit__(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
+static int __pyx_pw_3_sa_6BitSet_1__cinit__(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
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-  __pyx_r = __pyx_pf_8_cdec_sa_6BitSet___cinit__(((struct __pyx_obj_8_cdec_sa_BitSet *)__pyx_v_self));
+  __pyx_r = __pyx_pf_3_sa_6BitSet___cinit__(((struct __pyx_obj_3_sa_BitSet *)__pyx_v_self));
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@@ -16990,7 +17255,7 @@ static int __pyx_pw_8_cdec_sa_6BitSet_1__cinit__(PyObject *__pyx_v_self, PyObjec
  * 
  */
 
-static int __pyx_pf_8_cdec_sa_6BitSet___cinit__(struct __pyx_obj_8_cdec_sa_BitSet *__pyx_v_self) {
+static int __pyx_pf_3_sa_6BitSet___cinit__(struct __pyx_obj_3_sa_BitSet *__pyx_v_self) {
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  *     def __dealloc__(self):
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-  __pyx_v_self->b = __pyx_f_8_cdec_sa_new_BitSet();
+  __pyx_v_self->b = __pyx_f_3_sa_new_BitSet();
 
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@@ -17010,11 +17275,11 @@ static int __pyx_pf_8_cdec_sa_6BitSet___cinit__(struct __pyx_obj_8_cdec_sa_BitSe
 }
 
 /* Python wrapper */
-static void __pyx_pw_8_cdec_sa_6BitSet_3__dealloc__(PyObject *__pyx_v_self); /*proto*/
-static void __pyx_pw_8_cdec_sa_6BitSet_3__dealloc__(PyObject *__pyx_v_self) {
+static void __pyx_pw_3_sa_6BitSet_3__dealloc__(PyObject *__pyx_v_self); /*proto*/
+static void __pyx_pw_3_sa_6BitSet_3__dealloc__(PyObject *__pyx_v_self) {
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-  __pyx_pf_8_cdec_sa_6BitSet_2__dealloc__(((struct __pyx_obj_8_cdec_sa_BitSet *)__pyx_v_self));
+  __pyx_pf_3_sa_6BitSet_2__dealloc__(((struct __pyx_obj_3_sa_BitSet *)__pyx_v_self));
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@@ -17026,7 +17291,7 @@ static void __pyx_pw_8_cdec_sa_6BitSet_3__dealloc__(PyObject *__pyx_v_self) {
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  */
 
-static void __pyx_pf_8_cdec_sa_6BitSet_2__dealloc__(struct __pyx_obj_8_cdec_sa_BitSet *__pyx_v_self) {
+static void __pyx_pf_3_sa_6BitSet_2__dealloc__(struct __pyx_obj_3_sa_BitSet *__pyx_v_self) {
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@@ -17043,12 +17308,12 @@ static void __pyx_pf_8_cdec_sa_6BitSet_2__dealloc__(struct __pyx_obj_8_cdec_sa_B
 }
 
 /* Python wrapper */
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-static PyObject *__pyx_pw_8_cdec_sa_6BitSet_5__iter__(PyObject *__pyx_v_self) {
+static PyObject *__pyx_pw_3_sa_6BitSet_5__iter__(PyObject *__pyx_v_self); /*proto*/
+static PyObject *__pyx_pw_3_sa_6BitSet_5__iter__(PyObject *__pyx_v_self) {
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-  __pyx_r = __pyx_pf_8_cdec_sa_6BitSet_4__iter__(((struct __pyx_obj_8_cdec_sa_BitSet *)__pyx_v_self));
+  __pyx_r = __pyx_pf_3_sa_6BitSet_4__iter__(((struct __pyx_obj_3_sa_BitSet *)__pyx_v_self));
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@@ -17061,8 +17326,8 @@ static PyObject *__pyx_pw_8_cdec_sa_6BitSet_5__iter__(PyObject *__pyx_v_self) {
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-static PyObject *__pyx_pf_8_cdec_sa_6BitSet_4__iter__(struct __pyx_obj_8_cdec_sa_BitSet *__pyx_v_self) {
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+static PyObject *__pyx_pf_3_sa_6BitSet_4__iter__(struct __pyx_obj_3_sa_BitSet *__pyx_v_self) {
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+  __pyx_t_1 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_BitSetIterator)), ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[6]; __pyx_lineno = 130; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-  __pyx_v_it = ((struct __pyx_obj_8_cdec_sa_BitSetIterator *)__pyx_t_1);
+  __pyx_v_it = ((struct __pyx_obj_3_sa_BitSetIterator *)__pyx_t_1);
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+  __Pyx_AddTraceback("_sa.BitSet.__iter__", __pyx_clineno, __pyx_lineno, __pyx_filename);
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 /* Python wrapper */
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-static PyObject *__pyx_pw_8_cdec_sa_6BitSet_7insert(PyObject *__pyx_v_self, PyObject *__pyx_v_i) {
+static PyObject *__pyx_pw_3_sa_6BitSet_7insert(PyObject *__pyx_v_self, PyObject *__pyx_v_i); /*proto*/
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+  __Pyx_AddTraceback("_sa.dec2bin", __pyx_clineno, __pyx_lineno, __pyx_filename);
   __pyx_r = 0;
   __pyx_L0:;
   __Pyx_XDECREF(__pyx_v_result);
@@ -17681,10 +17946,10 @@ static PyObject *__pyx_f_8_cdec_sa_dec2bin(long __pyx_v_i) {
  *     cdef int num_bits, num_top_bits, i
  */
 
-static struct __pyx_t_8_cdec_sa__VEB *__pyx_f_8_cdec_sa_new_VEB(int __pyx_v_n) {
-  struct __pyx_t_8_cdec_sa__VEB *__pyx_v_veb;
+static struct __pyx_t_3_sa__VEB *__pyx_f_3_sa_new_VEB(int __pyx_v_n) {
+  struct __pyx_t_3_sa__VEB *__pyx_v_veb;
   int __pyx_v_num_bits;
-  struct __pyx_t_8_cdec_sa__VEB *__pyx_r;
+  struct __pyx_t_3_sa__VEB *__pyx_r;
   __Pyx_RefNannyDeclarations
   double __pyx_t_1;
   double __pyx_t_2;
@@ -17701,7 +17966,7 @@ static struct __pyx_t_8_cdec_sa__VEB *__pyx_f_8_cdec_sa_new_VEB(int __pyx_v_n) {
  * 
  *     num_bits = int(ceil(log(n) / log(2)))
  */
-  __pyx_v_veb = ((struct __pyx_t_8_cdec_sa__VEB *)malloc((sizeof(struct __pyx_t_8_cdec_sa__VEB))));
+  __pyx_v_veb = ((struct __pyx_t_3_sa__VEB *)malloc((sizeof(struct __pyx_t_3_sa__VEB))));
 
   /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":183
  *     veb = <_VEB*> malloc(sizeof(_VEB))
@@ -17734,7 +17999,7 @@ static struct __pyx_t_8_cdec_sa__VEB *__pyx_f_8_cdec_sa_new_VEB(int __pyx_v_n) {
  *         veb.num_bottom_bits = MIN_BOTTOM_BITS
  *     veb.top_universe_size = (n >> veb.num_bottom_bits) + 1
  */
-  __pyx_t_3 = (__pyx_v_veb->num_bottom_bits < __pyx_v_8_cdec_sa_MIN_BOTTOM_BITS);
+  __pyx_t_3 = (__pyx_v_veb->num_bottom_bits < __pyx_v_3_sa_MIN_BOTTOM_BITS);
   if (__pyx_t_3) {
 
     /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":186
@@ -17744,7 +18009,7 @@ static struct __pyx_t_8_cdec_sa__VEB *__pyx_f_8_cdec_sa_new_VEB(int __pyx_v_n) {
  *     veb.top_universe_size = (n >> veb.num_bottom_bits) + 1
  * 
  */
-    __pyx_v_veb->num_bottom_bits = __pyx_v_8_cdec_sa_MIN_BOTTOM_BITS;
+    __pyx_v_veb->num_bottom_bits = __pyx_v_3_sa_MIN_BOTTOM_BITS;
     goto __pyx_L3;
   }
   __pyx_L3:;
@@ -17783,7 +18048,7 @@ static struct __pyx_t_8_cdec_sa__VEB *__pyx_f_8_cdec_sa_new_VEB(int __pyx_v_n) {
  *         veb.top = new_VEB(veb.top_universe_size)
  *     else:
  */
-  __pyx_t_3 = (__pyx_v_veb->top_universe_size > __pyx_v_8_cdec_sa_MIN_BOTTOM_SIZE);
+  __pyx_t_3 = (__pyx_v_veb->top_universe_size > __pyx_v_3_sa_MIN_BOTTOM_SIZE);
   if (__pyx_t_3) {
 
     /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":193
@@ -17793,7 +18058,7 @@ static struct __pyx_t_8_cdec_sa__VEB *__pyx_f_8_cdec_sa_new_VEB(int __pyx_v_n) {
  *     else:
  *         veb.top = new_BitSet()
  */
-    __pyx_v_veb->top = __pyx_f_8_cdec_sa_new_VEB(__pyx_v_veb->top_universe_size);
+    __pyx_v_veb->top = __pyx_f_3_sa_new_VEB(__pyx_v_veb->top_universe_size);
     goto __pyx_L4;
   }
   /*else*/ {
@@ -17805,7 +18070,7 @@ static struct __pyx_t_8_cdec_sa__VEB *__pyx_f_8_cdec_sa_new_VEB(int __pyx_v_n) {
  * 
  *     veb.max_val = -1
  */
-    __pyx_v_veb->top = __pyx_f_8_cdec_sa_new_BitSet();
+    __pyx_v_veb->top = __pyx_f_3_sa_new_BitSet();
   }
   __pyx_L4:;
 
@@ -17849,7 +18114,7 @@ static struct __pyx_t_8_cdec_sa__VEB *__pyx_f_8_cdec_sa_new_VEB(int __pyx_v_n) {
   __pyx_r = 0;
   goto __pyx_L0;
   __pyx_L1_error:;
-  __Pyx_WriteUnraisable("_cdec_sa.new_VEB", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_WriteUnraisable("_sa.new_VEB", __pyx_clineno, __pyx_lineno, __pyx_filename);
   __pyx_r = 0;
   __pyx_L0:;
   __Pyx_RefNannyFinishContext();
@@ -17864,9 +18129,9 @@ static struct __pyx_t_8_cdec_sa__VEB *__pyx_f_8_cdec_sa_new_VEB(int __pyx_v_n) {
  *     cdef _BitSet* subb
  */
 
-static int __pyx_f_8_cdec_sa_VEB_insert(struct __pyx_t_8_cdec_sa__VEB *__pyx_v_veb, int __pyx_v_i) {
-  struct __pyx_t_8_cdec_sa__VEB *__pyx_v_subv;
-  struct __pyx_t_8_cdec_sa__BitSet *__pyx_v_subb;
+static int __pyx_f_3_sa_VEB_insert(struct __pyx_t_3_sa__VEB *__pyx_v_veb, int __pyx_v_i) {
+  struct __pyx_t_3_sa__VEB *__pyx_v_subv;
+  struct __pyx_t_3_sa__BitSet *__pyx_v_subb;
   int __pyx_v_a;
   int __pyx_v_b;
   int __pyx_v_tmp;
@@ -17992,7 +18257,7 @@ static int __pyx_f_8_cdec_sa_VEB_insert(struct __pyx_t_8_cdec_sa__VEB *__pyx_v_v
  *         if veb.bottom[a] == NULL:
  *             if veb.top_universe_size > MIN_BOTTOM_SIZE:
  */
-    __pyx_v_b = (__pyx_v_i & (__pyx_v_8_cdec_sa_LOWER_MASK[(__pyx_v_veb->num_bottom_bits - 1)]));
+    __pyx_v_b = (__pyx_v_i & (__pyx_v_3_sa_LOWER_MASK[(__pyx_v_veb->num_bottom_bits - 1)]));
 
     /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":220
  *         a = i >> veb.num_bottom_bits
@@ -18011,7 +18276,7 @@ static int __pyx_f_8_cdec_sa_VEB_insert(struct __pyx_t_8_cdec_sa__VEB *__pyx_v_v
  *                 subv = <_VEB*> veb.top
  *                 VEB_insert(subv, a)
  */
-      __pyx_t_3 = (__pyx_v_veb->top_universe_size > __pyx_v_8_cdec_sa_MIN_BOTTOM_SIZE);
+      __pyx_t_3 = (__pyx_v_veb->top_universe_size > __pyx_v_3_sa_MIN_BOTTOM_SIZE);
       if (__pyx_t_3) {
 
         /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":222
@@ -18021,7 +18286,7 @@ static int __pyx_f_8_cdec_sa_VEB_insert(struct __pyx_t_8_cdec_sa__VEB *__pyx_v_v
  *                 VEB_insert(subv, a)
  *             else:
  */
-        __pyx_v_subv = ((struct __pyx_t_8_cdec_sa__VEB *)__pyx_v_veb->top);
+        __pyx_v_subv = ((struct __pyx_t_3_sa__VEB *)__pyx_v_veb->top);
 
         /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":223
  *             if veb.top_universe_size > MIN_BOTTOM_SIZE:
@@ -18030,7 +18295,7 @@ static int __pyx_f_8_cdec_sa_VEB_insert(struct __pyx_t_8_cdec_sa__VEB *__pyx_v_v
  *             else:
  *                 subb = <_BitSet*> veb.top
  */
-        __pyx_f_8_cdec_sa_VEB_insert(__pyx_v_subv, __pyx_v_a);
+        __pyx_f_3_sa_VEB_insert(__pyx_v_subv, __pyx_v_a);
         goto __pyx_L6;
       }
       /*else*/ {
@@ -18042,7 +18307,7 @@ static int __pyx_f_8_cdec_sa_VEB_insert(struct __pyx_t_8_cdec_sa__VEB *__pyx_v_v
  *                 bitset_insert(subb, a)
  *             if veb.num_bottom_bits > MIN_BOTTOM_BITS:
  */
-        __pyx_v_subb = ((struct __pyx_t_8_cdec_sa__BitSet *)__pyx_v_veb->top);
+        __pyx_v_subb = ((struct __pyx_t_3_sa__BitSet *)__pyx_v_veb->top);
 
         /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":226
  *             else:
@@ -18051,7 +18316,7 @@ static int __pyx_f_8_cdec_sa_VEB_insert(struct __pyx_t_8_cdec_sa__VEB *__pyx_v_v
  *             if veb.num_bottom_bits > MIN_BOTTOM_BITS:
  *                 veb.bottom[a] = new_VEB(1 << veb.num_bottom_bits)
  */
-        __pyx_f_8_cdec_sa_bitset_insert(__pyx_v_subb, __pyx_v_a);
+        __pyx_f_3_sa_bitset_insert(__pyx_v_subb, __pyx_v_a);
       }
       __pyx_L6:;
 
@@ -18062,7 +18327,7 @@ static int __pyx_f_8_cdec_sa_VEB_insert(struct __pyx_t_8_cdec_sa__VEB *__pyx_v_v
  *                 veb.bottom[a] = new_VEB(1 << veb.num_bottom_bits)
  *             else:
  */
-      __pyx_t_3 = (__pyx_v_veb->num_bottom_bits > __pyx_v_8_cdec_sa_MIN_BOTTOM_BITS);
+      __pyx_t_3 = (__pyx_v_veb->num_bottom_bits > __pyx_v_3_sa_MIN_BOTTOM_BITS);
       if (__pyx_t_3) {
 
         /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":228
@@ -18072,7 +18337,7 @@ static int __pyx_f_8_cdec_sa_VEB_insert(struct __pyx_t_8_cdec_sa__VEB *__pyx_v_v
  *             else:
  *                 veb.bottom[a] = new_BitSet()
  */
-        (__pyx_v_veb->bottom[__pyx_v_a]) = __pyx_f_8_cdec_sa_new_VEB((1 << __pyx_v_veb->num_bottom_bits));
+        (__pyx_v_veb->bottom[__pyx_v_a]) = __pyx_f_3_sa_new_VEB((1 << __pyx_v_veb->num_bottom_bits));
         goto __pyx_L7;
       }
       /*else*/ {
@@ -18084,7 +18349,7 @@ static int __pyx_f_8_cdec_sa_VEB_insert(struct __pyx_t_8_cdec_sa__VEB *__pyx_v_v
  *         if veb.num_bottom_bits > MIN_BOTTOM_BITS:
  *             subv = <_VEB*> veb.bottom[a]
  */
-        (__pyx_v_veb->bottom[__pyx_v_a]) = __pyx_f_8_cdec_sa_new_BitSet();
+        (__pyx_v_veb->bottom[__pyx_v_a]) = __pyx_f_3_sa_new_BitSet();
       }
       __pyx_L7:;
       goto __pyx_L5;
@@ -18098,7 +18363,7 @@ static int __pyx_f_8_cdec_sa_VEB_insert(struct __pyx_t_8_cdec_sa__VEB *__pyx_v_v
  *             subv = <_VEB*> veb.bottom[a]
  *             if VEB_insert(subv, b) == 0:
  */
-    __pyx_t_3 = (__pyx_v_veb->num_bottom_bits > __pyx_v_8_cdec_sa_MIN_BOTTOM_BITS);
+    __pyx_t_3 = (__pyx_v_veb->num_bottom_bits > __pyx_v_3_sa_MIN_BOTTOM_BITS);
     if (__pyx_t_3) {
 
       /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":232
@@ -18108,7 +18373,7 @@ static int __pyx_f_8_cdec_sa_VEB_insert(struct __pyx_t_8_cdec_sa__VEB *__pyx_v_v
  *             if VEB_insert(subv, b) == 0:
  *                 return 0
  */
-      __pyx_v_subv = ((struct __pyx_t_8_cdec_sa__VEB *)(__pyx_v_veb->bottom[__pyx_v_a]));
+      __pyx_v_subv = ((struct __pyx_t_3_sa__VEB *)(__pyx_v_veb->bottom[__pyx_v_a]));
 
       /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":233
  *         if veb.num_bottom_bits > MIN_BOTTOM_BITS:
@@ -18117,7 +18382,7 @@ static int __pyx_f_8_cdec_sa_VEB_insert(struct __pyx_t_8_cdec_sa__VEB *__pyx_v_v
  *                 return 0
  *         else:
  */
-      __pyx_t_3 = (__pyx_f_8_cdec_sa_VEB_insert(__pyx_v_subv, __pyx_v_b) == 0);
+      __pyx_t_3 = (__pyx_f_3_sa_VEB_insert(__pyx_v_subv, __pyx_v_b) == 0);
       if (__pyx_t_3) {
 
         /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":234
@@ -18143,7 +18408,7 @@ static int __pyx_f_8_cdec_sa_VEB_insert(struct __pyx_t_8_cdec_sa__VEB *__pyx_v_v
  *             if bitset_insert(subb, b) == 0:
  *                 return 0
  */
-      __pyx_v_subb = ((struct __pyx_t_8_cdec_sa__BitSet *)(__pyx_v_veb->bottom[__pyx_v_a]));
+      __pyx_v_subb = ((struct __pyx_t_3_sa__BitSet *)(__pyx_v_veb->bottom[__pyx_v_a]));
 
       /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":237
  *         else:
@@ -18152,7 +18417,7 @@ static int __pyx_f_8_cdec_sa_VEB_insert(struct __pyx_t_8_cdec_sa__VEB *__pyx_v_v
  *                 return 0
  * 
  */
-      __pyx_t_3 = (__pyx_f_8_cdec_sa_bitset_insert(__pyx_v_subb, __pyx_v_b) == 0);
+      __pyx_t_3 = (__pyx_f_3_sa_bitset_insert(__pyx_v_subb, __pyx_v_b) == 0);
       if (__pyx_t_3) {
 
         /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":238
@@ -18227,7 +18492,7 @@ static int __pyx_f_8_cdec_sa_VEB_insert(struct __pyx_t_8_cdec_sa__VEB *__pyx_v_v
  * 
  */
 
-static PyObject *__pyx_f_8_cdec_sa_del_VEB(struct __pyx_t_8_cdec_sa__VEB *__pyx_v_veb) {
+static PyObject *__pyx_f_3_sa_del_VEB(struct __pyx_t_3_sa__VEB *__pyx_v_veb) {
   int __pyx_v_i;
   PyObject *__pyx_r = NULL;
   __Pyx_RefNannyDeclarations
@@ -18245,7 +18510,7 @@ static PyObject *__pyx_f_8_cdec_sa_del_VEB(struct __pyx_t_8_cdec_sa__VEB *__pyx_
  *         i = (<_VEB*> veb.top).min_val
  *     else:
  */
-  __pyx_t_1 = (__pyx_v_veb->top_universe_size > __pyx_v_8_cdec_sa_MIN_BOTTOM_SIZE);
+  __pyx_t_1 = (__pyx_v_veb->top_universe_size > __pyx_v_3_sa_MIN_BOTTOM_SIZE);
   if (__pyx_t_1) {
 
     /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":250
@@ -18255,7 +18520,7 @@ static PyObject *__pyx_f_8_cdec_sa_del_VEB(struct __pyx_t_8_cdec_sa__VEB *__pyx_
  *     else:
  *         i = (<_BitSet*> veb.top).min_val
  */
-    __pyx_v_i = ((struct __pyx_t_8_cdec_sa__VEB *)__pyx_v_veb->top)->min_val;
+    __pyx_v_i = ((struct __pyx_t_3_sa__VEB *)__pyx_v_veb->top)->min_val;
     goto __pyx_L3;
   }
   /*else*/ {
@@ -18267,7 +18532,7 @@ static PyObject *__pyx_f_8_cdec_sa_del_VEB(struct __pyx_t_8_cdec_sa__VEB *__pyx_
  * 
  *     while i != -1:
  */
-    __pyx_v_i = ((struct __pyx_t_8_cdec_sa__BitSet *)__pyx_v_veb->top)->min_val;
+    __pyx_v_i = ((struct __pyx_t_3_sa__BitSet *)__pyx_v_veb->top)->min_val;
   }
   __pyx_L3:;
 
@@ -18289,7 +18554,7 @@ static PyObject *__pyx_f_8_cdec_sa_del_VEB(struct __pyx_t_8_cdec_sa__VEB *__pyx_
  *             del_VEB(<_VEB*> veb.bottom[i])
  *         else:
  */
-    __pyx_t_1 = (__pyx_v_veb->num_bottom_bits > __pyx_v_8_cdec_sa_MIN_BOTTOM_BITS);
+    __pyx_t_1 = (__pyx_v_veb->num_bottom_bits > __pyx_v_3_sa_MIN_BOTTOM_BITS);
     if (__pyx_t_1) {
 
       /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":256
@@ -18299,7 +18564,7 @@ static PyObject *__pyx_f_8_cdec_sa_del_VEB(struct __pyx_t_8_cdec_sa__VEB *__pyx_
  *         else:
  *             free(<_BitSet*> veb.bottom[i])
  */
-      __pyx_t_2 = __pyx_f_8_cdec_sa_del_VEB(((struct __pyx_t_8_cdec_sa__VEB *)(__pyx_v_veb->bottom[__pyx_v_i]))); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[6]; __pyx_lineno = 256; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_2 = __pyx_f_3_sa_del_VEB(((struct __pyx_t_3_sa__VEB *)(__pyx_v_veb->bottom[__pyx_v_i]))); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[6]; __pyx_lineno = 256; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_2);
       __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
       goto __pyx_L6;
@@ -18313,7 +18578,7 @@ static PyObject *__pyx_f_8_cdec_sa_del_VEB(struct __pyx_t_8_cdec_sa__VEB *__pyx_
  * 
  *         if veb.top_universe_size > MIN_BOTTOM_SIZE:
  */
-      free(((struct __pyx_t_8_cdec_sa__BitSet *)(__pyx_v_veb->bottom[__pyx_v_i])));
+      free(((struct __pyx_t_3_sa__BitSet *)(__pyx_v_veb->bottom[__pyx_v_i])));
     }
     __pyx_L6:;
 
@@ -18324,7 +18589,7 @@ static PyObject *__pyx_f_8_cdec_sa_del_VEB(struct __pyx_t_8_cdec_sa__VEB *__pyx_
  *             i = VEB_findsucc(<_VEB*> veb.top, i)
  *         else:
  */
-    __pyx_t_1 = (__pyx_v_veb->top_universe_size > __pyx_v_8_cdec_sa_MIN_BOTTOM_SIZE);
+    __pyx_t_1 = (__pyx_v_veb->top_universe_size > __pyx_v_3_sa_MIN_BOTTOM_SIZE);
     if (__pyx_t_1) {
 
       /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":261
@@ -18334,7 +18599,7 @@ static PyObject *__pyx_f_8_cdec_sa_del_VEB(struct __pyx_t_8_cdec_sa__VEB *__pyx_
  *         else:
  *             i = bitset_findsucc(<_BitSet*> veb.top, i)
  */
-      __pyx_v_i = __pyx_f_8_cdec_sa_VEB_findsucc(((struct __pyx_t_8_cdec_sa__VEB *)__pyx_v_veb->top), __pyx_v_i);
+      __pyx_v_i = __pyx_f_3_sa_VEB_findsucc(((struct __pyx_t_3_sa__VEB *)__pyx_v_veb->top), __pyx_v_i);
       goto __pyx_L7;
     }
     /*else*/ {
@@ -18346,7 +18611,7 @@ static PyObject *__pyx_f_8_cdec_sa_del_VEB(struct __pyx_t_8_cdec_sa__VEB *__pyx_
  * 
  *     if veb.top_universe_size > MIN_BOTTOM_SIZE:
  */
-      __pyx_v_i = __pyx_f_8_cdec_sa_bitset_findsucc(((struct __pyx_t_8_cdec_sa__BitSet *)__pyx_v_veb->top), __pyx_v_i);
+      __pyx_v_i = __pyx_f_3_sa_bitset_findsucc(((struct __pyx_t_3_sa__BitSet *)__pyx_v_veb->top), __pyx_v_i);
     }
     __pyx_L7:;
   }
@@ -18358,7 +18623,7 @@ static PyObject *__pyx_f_8_cdec_sa_del_VEB(struct __pyx_t_8_cdec_sa__VEB *__pyx_
  *         del_VEB(<_VEB*> veb.top)
  *     else:
  */
-  __pyx_t_1 = (__pyx_v_veb->top_universe_size > __pyx_v_8_cdec_sa_MIN_BOTTOM_SIZE);
+  __pyx_t_1 = (__pyx_v_veb->top_universe_size > __pyx_v_3_sa_MIN_BOTTOM_SIZE);
   if (__pyx_t_1) {
 
     /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":266
@@ -18368,7 +18633,7 @@ static PyObject *__pyx_f_8_cdec_sa_del_VEB(struct __pyx_t_8_cdec_sa__VEB *__pyx_
  *     else:
  *         free(<_BitSet*> veb.top)
  */
-    __pyx_t_2 = __pyx_f_8_cdec_sa_del_VEB(((struct __pyx_t_8_cdec_sa__VEB *)__pyx_v_veb->top)); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[6]; __pyx_lineno = 266; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_2 = __pyx_f_3_sa_del_VEB(((struct __pyx_t_3_sa__VEB *)__pyx_v_veb->top)); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[6]; __pyx_lineno = 266; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_2);
     __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
     goto __pyx_L8;
@@ -18382,7 +18647,7 @@ static PyObject *__pyx_f_8_cdec_sa_del_VEB(struct __pyx_t_8_cdec_sa__VEB *__pyx_
  *     free(veb.bottom)
  *     free(veb)
  */
-    free(((struct __pyx_t_8_cdec_sa__BitSet *)__pyx_v_veb->top));
+    free(((struct __pyx_t_3_sa__BitSet *)__pyx_v_veb->top));
   }
   __pyx_L8:;
 
@@ -18408,7 +18673,7 @@ static PyObject *__pyx_f_8_cdec_sa_del_VEB(struct __pyx_t_8_cdec_sa__VEB *__pyx_
   goto __pyx_L0;
   __pyx_L1_error:;
   __Pyx_XDECREF(__pyx_t_2);
-  __Pyx_AddTraceback("_cdec_sa.del_VEB", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_AddTraceback("_sa.del_VEB", __pyx_clineno, __pyx_lineno, __pyx_filename);
   __pyx_r = 0;
   __pyx_L0:;
   __Pyx_XGIVEREF(__pyx_r);
@@ -18424,9 +18689,9 @@ static PyObject *__pyx_f_8_cdec_sa_del_VEB(struct __pyx_t_8_cdec_sa__VEB *__pyx_
  *     cdef _BitSet* subb
  */
 
-static int __pyx_f_8_cdec_sa_VEB_findsucc(struct __pyx_t_8_cdec_sa__VEB *__pyx_v_veb, int __pyx_v_i) {
-  struct __pyx_t_8_cdec_sa__VEB *__pyx_v_subv;
-  struct __pyx_t_8_cdec_sa__BitSet *__pyx_v_subb;
+static int __pyx_f_3_sa_VEB_findsucc(struct __pyx_t_3_sa__VEB *__pyx_v_veb, int __pyx_v_i) {
+  struct __pyx_t_3_sa__VEB *__pyx_v_subv;
+  struct __pyx_t_3_sa__BitSet *__pyx_v_subb;
   int __pyx_v_a;
   int __pyx_v_b;
   int __pyx_v_j;
@@ -18507,7 +18772,7 @@ static int __pyx_f_8_cdec_sa_VEB_findsucc(struct __pyx_t_8_cdec_sa__VEB *__pyx_v
  *     found = 0
  *     if veb.bottom[a] != NULL:
  */
-  __pyx_v_b = (__pyx_v_i & (__pyx_v_8_cdec_sa_LOWER_MASK[(__pyx_v_veb->num_bottom_bits - 1)]));
+  __pyx_v_b = (__pyx_v_i & (__pyx_v_3_sa_LOWER_MASK[(__pyx_v_veb->num_bottom_bits - 1)]));
 
   /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":285
  *     a = i >> veb.num_bottom_bits
@@ -18535,7 +18800,7 @@ static int __pyx_f_8_cdec_sa_VEB_findsucc(struct __pyx_t_8_cdec_sa__VEB *__pyx_v
  *             subv = <_VEB*> veb.bottom[a]
  *             if subv.max_val > b:
  */
-    __pyx_t_3 = (__pyx_v_veb->num_bottom_bits > __pyx_v_8_cdec_sa_MIN_BOTTOM_BITS);
+    __pyx_t_3 = (__pyx_v_veb->num_bottom_bits > __pyx_v_3_sa_MIN_BOTTOM_BITS);
     if (__pyx_t_3) {
 
       /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":288
@@ -18545,7 +18810,7 @@ static int __pyx_f_8_cdec_sa_VEB_findsucc(struct __pyx_t_8_cdec_sa__VEB *__pyx_v
  *             if subv.max_val > b:
  *                 j = (a << veb.num_bottom_bits) + VEB_findsucc(subv, b)
  */
-      __pyx_v_subv = ((struct __pyx_t_8_cdec_sa__VEB *)(__pyx_v_veb->bottom[__pyx_v_a]));
+      __pyx_v_subv = ((struct __pyx_t_3_sa__VEB *)(__pyx_v_veb->bottom[__pyx_v_a]));
 
       /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":289
  *         if veb.num_bottom_bits > MIN_BOTTOM_BITS:
@@ -18564,7 +18829,7 @@ static int __pyx_f_8_cdec_sa_VEB_findsucc(struct __pyx_t_8_cdec_sa__VEB *__pyx_v
  *                 found = 1
  *         else:
  */
-        __pyx_v_j = ((__pyx_v_a << __pyx_v_veb->num_bottom_bits) + __pyx_f_8_cdec_sa_VEB_findsucc(__pyx_v_subv, __pyx_v_b));
+        __pyx_v_j = ((__pyx_v_a << __pyx_v_veb->num_bottom_bits) + __pyx_f_3_sa_VEB_findsucc(__pyx_v_subv, __pyx_v_b));
 
         /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":291
  *             if subv.max_val > b:
@@ -18588,7 +18853,7 @@ static int __pyx_f_8_cdec_sa_VEB_findsucc(struct __pyx_t_8_cdec_sa__VEB *__pyx_v
  *             if subb.max_val > b:
  *                 j = (a << veb.num_bottom_bits) + bitset_findsucc(subb, b)
  */
-      __pyx_v_subb = ((struct __pyx_t_8_cdec_sa__BitSet *)(__pyx_v_veb->bottom[__pyx_v_a]));
+      __pyx_v_subb = ((struct __pyx_t_3_sa__BitSet *)(__pyx_v_veb->bottom[__pyx_v_a]));
 
       /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":294
  *         else:
@@ -18607,7 +18872,7 @@ static int __pyx_f_8_cdec_sa_VEB_findsucc(struct __pyx_t_8_cdec_sa__VEB *__pyx_v
  *                 found = 1
  *     if found==0:
  */
-        __pyx_v_j = ((__pyx_v_a << __pyx_v_veb->num_bottom_bits) + __pyx_f_8_cdec_sa_bitset_findsucc(__pyx_v_subb, __pyx_v_b));
+        __pyx_v_j = ((__pyx_v_a << __pyx_v_veb->num_bottom_bits) + __pyx_f_3_sa_bitset_findsucc(__pyx_v_subb, __pyx_v_b));
 
         /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":296
  *             if subb.max_val > b:
@@ -18643,7 +18908,7 @@ static int __pyx_f_8_cdec_sa_VEB_findsucc(struct __pyx_t_8_cdec_sa__VEB *__pyx_v
  *             subv = <_VEB*> veb.top
  *             c = VEB_findsucc(subv, a)
  */
-    __pyx_t_3 = (__pyx_v_veb->top_universe_size > __pyx_v_8_cdec_sa_MIN_BOTTOM_SIZE);
+    __pyx_t_3 = (__pyx_v_veb->top_universe_size > __pyx_v_3_sa_MIN_BOTTOM_SIZE);
     if (__pyx_t_3) {
 
       /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":299
@@ -18653,7 +18918,7 @@ static int __pyx_f_8_cdec_sa_VEB_findsucc(struct __pyx_t_8_cdec_sa__VEB *__pyx_v
  *             c = VEB_findsucc(subv, a)
  *         else:
  */
-      __pyx_v_subv = ((struct __pyx_t_8_cdec_sa__VEB *)__pyx_v_veb->top);
+      __pyx_v_subv = ((struct __pyx_t_3_sa__VEB *)__pyx_v_veb->top);
 
       /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":300
  *         if veb.top_universe_size > MIN_BOTTOM_SIZE:
@@ -18662,7 +18927,7 @@ static int __pyx_f_8_cdec_sa_VEB_findsucc(struct __pyx_t_8_cdec_sa__VEB *__pyx_v
  *         else:
  *             subb = <_BitSet*> veb.top
  */
-      __pyx_v_c = __pyx_f_8_cdec_sa_VEB_findsucc(__pyx_v_subv, __pyx_v_a);
+      __pyx_v_c = __pyx_f_3_sa_VEB_findsucc(__pyx_v_subv, __pyx_v_a);
       goto __pyx_L10;
     }
     /*else*/ {
@@ -18674,7 +18939,7 @@ static int __pyx_f_8_cdec_sa_VEB_findsucc(struct __pyx_t_8_cdec_sa__VEB *__pyx_v
  *             c = bitset_findsucc(subb, a)
  *         if veb.num_bottom_bits > MIN_BOTTOM_BITS:
  */
-      __pyx_v_subb = ((struct __pyx_t_8_cdec_sa__BitSet *)__pyx_v_veb->top);
+      __pyx_v_subb = ((struct __pyx_t_3_sa__BitSet *)__pyx_v_veb->top);
 
       /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":303
  *         else:
@@ -18683,7 +18948,7 @@ static int __pyx_f_8_cdec_sa_VEB_findsucc(struct __pyx_t_8_cdec_sa__VEB *__pyx_v
  *         if veb.num_bottom_bits > MIN_BOTTOM_BITS:
  *             subv = <_VEB*> veb.bottom[c]
  */
-      __pyx_v_c = __pyx_f_8_cdec_sa_bitset_findsucc(__pyx_v_subb, __pyx_v_a);
+      __pyx_v_c = __pyx_f_3_sa_bitset_findsucc(__pyx_v_subb, __pyx_v_a);
     }
     __pyx_L10:;
 
@@ -18694,7 +18959,7 @@ static int __pyx_f_8_cdec_sa_VEB_findsucc(struct __pyx_t_8_cdec_sa__VEB *__pyx_v
  *             subv = <_VEB*> veb.bottom[c]
  *             j = (c << veb.num_bottom_bits) + subv.min_val
  */
-    __pyx_t_3 = (__pyx_v_veb->num_bottom_bits > __pyx_v_8_cdec_sa_MIN_BOTTOM_BITS);
+    __pyx_t_3 = (__pyx_v_veb->num_bottom_bits > __pyx_v_3_sa_MIN_BOTTOM_BITS);
     if (__pyx_t_3) {
 
       /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":305
@@ -18704,7 +18969,7 @@ static int __pyx_f_8_cdec_sa_VEB_findsucc(struct __pyx_t_8_cdec_sa__VEB *__pyx_v
  *             j = (c << veb.num_bottom_bits) + subv.min_val
  *         else:
  */
-      __pyx_v_subv = ((struct __pyx_t_8_cdec_sa__VEB *)(__pyx_v_veb->bottom[__pyx_v_c]));
+      __pyx_v_subv = ((struct __pyx_t_3_sa__VEB *)(__pyx_v_veb->bottom[__pyx_v_c]));
 
       /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":306
  *         if veb.num_bottom_bits > MIN_BOTTOM_BITS:
@@ -18725,7 +18990,7 @@ static int __pyx_f_8_cdec_sa_VEB_findsucc(struct __pyx_t_8_cdec_sa__VEB *__pyx_v
  *             j = (c << veb.num_bottom_bits) + subb.min_val
  *     return j
  */
-      __pyx_v_subb = ((struct __pyx_t_8_cdec_sa__BitSet *)(__pyx_v_veb->bottom[__pyx_v_c]));
+      __pyx_v_subb = ((struct __pyx_t_3_sa__BitSet *)(__pyx_v_veb->bottom[__pyx_v_c]));
 
       /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":309
  *         else:
@@ -18765,9 +19030,9 @@ static int __pyx_f_8_cdec_sa_VEB_findsucc(struct __pyx_t_8_cdec_sa__VEB *__pyx_v
  *     cdef _BitSet* subb
  */
 
-static int __pyx_f_8_cdec_sa_VEB_contains(struct __pyx_t_8_cdec_sa__VEB *__pyx_v_veb, int __pyx_v_i) {
-  struct __pyx_t_8_cdec_sa__VEB *__pyx_v_subv;
-  struct __pyx_t_8_cdec_sa__BitSet *__pyx_v_subb;
+static int __pyx_f_3_sa_VEB_contains(struct __pyx_t_3_sa__VEB *__pyx_v_veb, int __pyx_v_i) {
+  struct __pyx_t_3_sa__VEB *__pyx_v_subv;
+  struct __pyx_t_3_sa__BitSet *__pyx_v_subb;
   int __pyx_v_a;
   int __pyx_v_b;
   int __pyx_r;
@@ -18877,7 +19142,7 @@ static int __pyx_f_8_cdec_sa_VEB_contains(struct __pyx_t_8_cdec_sa__VEB *__pyx_v
  *     if veb.bottom[a] == NULL:
  *         return 0
  */
-  __pyx_v_b = (__pyx_v_i & (__pyx_v_8_cdec_sa_LOWER_MASK[(__pyx_v_veb->num_bottom_bits - 1)]));
+  __pyx_v_b = (__pyx_v_i & (__pyx_v_3_sa_LOWER_MASK[(__pyx_v_veb->num_bottom_bits - 1)]));
 
   /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":329
  *     a = i >> veb.num_bottom_bits
@@ -18909,7 +19174,7 @@ static int __pyx_f_8_cdec_sa_VEB_contains(struct __pyx_t_8_cdec_sa__VEB *__pyx_v
  *             subv = <_VEB*> veb.bottom[a]
  *             return VEB_contains(subv, b)
  */
-    __pyx_t_2 = (__pyx_v_veb->num_bottom_bits > __pyx_v_8_cdec_sa_MIN_BOTTOM_BITS);
+    __pyx_t_2 = (__pyx_v_veb->num_bottom_bits > __pyx_v_3_sa_MIN_BOTTOM_BITS);
     if (__pyx_t_2) {
 
       /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":333
@@ -18919,7 +19184,7 @@ static int __pyx_f_8_cdec_sa_VEB_contains(struct __pyx_t_8_cdec_sa__VEB *__pyx_v
  *             return VEB_contains(subv, b)
  *         else:
  */
-      __pyx_v_subv = ((struct __pyx_t_8_cdec_sa__VEB *)(__pyx_v_veb->bottom[__pyx_v_a]));
+      __pyx_v_subv = ((struct __pyx_t_3_sa__VEB *)(__pyx_v_veb->bottom[__pyx_v_a]));
 
       /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":334
  *         if veb.num_bottom_bits > MIN_BOTTOM_BITS:
@@ -18928,7 +19193,7 @@ static int __pyx_f_8_cdec_sa_VEB_contains(struct __pyx_t_8_cdec_sa__VEB *__pyx_v
  *         else:
  *             subb = <_BitSet*> veb.bottom[a]
  */
-      __pyx_r = __pyx_f_8_cdec_sa_VEB_contains(__pyx_v_subv, __pyx_v_b);
+      __pyx_r = __pyx_f_3_sa_VEB_contains(__pyx_v_subv, __pyx_v_b);
       goto __pyx_L0;
       goto __pyx_L7;
     }
@@ -18941,7 +19206,7 @@ static int __pyx_f_8_cdec_sa_VEB_contains(struct __pyx_t_8_cdec_sa__VEB *__pyx_v
  *             return bitset_contains(subb, b)
  * 
  */
-      __pyx_v_subb = ((struct __pyx_t_8_cdec_sa__BitSet *)(__pyx_v_veb->bottom[__pyx_v_a]));
+      __pyx_v_subb = ((struct __pyx_t_3_sa__BitSet *)(__pyx_v_veb->bottom[__pyx_v_a]));
 
       /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":337
  *         else:
@@ -18950,7 +19215,7 @@ static int __pyx_f_8_cdec_sa_VEB_contains(struct __pyx_t_8_cdec_sa__VEB *__pyx_v
  * 
  * 
  */
-      __pyx_r = __pyx_f_8_cdec_sa_bitset_contains(__pyx_v_subb, __pyx_v_b);
+      __pyx_r = __pyx_f_3_sa_bitset_contains(__pyx_v_subb, __pyx_v_b);
       goto __pyx_L0;
     }
     __pyx_L7:;
@@ -18964,12 +19229,12 @@ static int __pyx_f_8_cdec_sa_VEB_contains(struct __pyx_t_8_cdec_sa__VEB *__pyx_v
 }
 
 /* Python wrapper */
-static PyObject *__pyx_pw_8_cdec_sa_11VEBIterator_1__next__(PyObject *__pyx_v_self); /*proto*/
-static PyObject *__pyx_pw_8_cdec_sa_11VEBIterator_1__next__(PyObject *__pyx_v_self) {
+static PyObject *__pyx_pw_3_sa_11VEBIterator_1__next__(PyObject *__pyx_v_self); /*proto*/
+static PyObject *__pyx_pw_3_sa_11VEBIterator_1__next__(PyObject *__pyx_v_self) {
   PyObject *__pyx_r = 0;
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("__next__ (wrapper)", 0);
-  __pyx_r = __pyx_pf_8_cdec_sa_11VEBIterator___next__(((struct __pyx_obj_8_cdec_sa_VEBIterator *)__pyx_v_self));
+  __pyx_r = __pyx_pf_3_sa_11VEBIterator___next__(((struct __pyx_obj_3_sa_VEBIterator *)__pyx_v_self));
   __Pyx_RefNannyFinishContext();
   return __pyx_r;
 }
@@ -18982,7 +19247,7 @@ static PyObject *__pyx_pw_8_cdec_sa_11VEBIterator_1__next__(PyObject *__pyx_v_se
  * 
  */
 
-static PyObject *__pyx_pf_8_cdec_sa_11VEBIterator___next__(struct __pyx_obj_8_cdec_sa_VEBIterator *__pyx_v_self) {
+static PyObject *__pyx_pf_3_sa_11VEBIterator___next__(struct __pyx_obj_3_sa_VEBIterator *__pyx_v_self) {
   int __pyx_v_ret_val;
   PyObject *__pyx_r = NULL;
   __Pyx_RefNannyDeclarations
@@ -19035,7 +19300,7 @@ static PyObject *__pyx_pf_8_cdec_sa_11VEBIterator___next__(struct __pyx_obj_8_cd
  *         return ret_val
  * 
  */
-  __pyx_v_self->next_val = __pyx_f_8_cdec_sa_VEB_findsucc(__pyx_v_self->v, __pyx_v_ret_val);
+  __pyx_v_self->next_val = __pyx_f_3_sa_VEB_findsucc(__pyx_v_self->v, __pyx_v_ret_val);
 
   /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":351
  *         ret_val = self.next_val
@@ -19055,7 +19320,7 @@ static PyObject *__pyx_pf_8_cdec_sa_11VEBIterator___next__(struct __pyx_obj_8_cd
   goto __pyx_L0;
   __pyx_L1_error:;
   __Pyx_XDECREF(__pyx_t_2);
-  __Pyx_AddTraceback("_cdec_sa.VEBIterator.__next__", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_AddTraceback("_sa.VEBIterator.__next__", __pyx_clineno, __pyx_lineno, __pyx_filename);
   __pyx_r = NULL;
   __pyx_L0:;
   __Pyx_XGIVEREF(__pyx_r);
@@ -19064,14 +19329,14 @@ static PyObject *__pyx_pf_8_cdec_sa_11VEBIterator___next__(struct __pyx_obj_8_cd
 }
 
 /* Python wrapper */
-static int __pyx_pw_8_cdec_sa_3VEB_1__cinit__(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
-static int __pyx_pw_8_cdec_sa_3VEB_1__cinit__(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
+static int __pyx_pw_3_sa_3VEB_1__cinit__(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
+static int __pyx_pw_3_sa_3VEB_1__cinit__(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
   int __pyx_v_size;
-  static PyObject **__pyx_pyargnames[] = {&__pyx_n_s__size,0};
   int __pyx_r;
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("__cinit__ (wrapper)", 0);
   {
+    static PyObject **__pyx_pyargnames[] = {&__pyx_n_s__size,0};
     PyObject* values[1] = {0};
     if (unlikely(__pyx_kwds)) {
       Py_ssize_t kw_args;
@@ -19084,8 +19349,7 @@ static int __pyx_pw_8_cdec_sa_3VEB_1__cinit__(PyObject *__pyx_v_self, PyObject *
       kw_args = PyDict_Size(__pyx_kwds);
       switch (pos_args) {
         case  0:
-        values[0] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__size);
-        if (likely(values[0])) kw_args--;
+        if (likely((values[0] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__size)) != 0)) kw_args--;
         else goto __pyx_L5_argtuple_error;
       }
       if (unlikely(kw_args > 0)) {
@@ -19102,11 +19366,11 @@ static int __pyx_pw_8_cdec_sa_3VEB_1__cinit__(PyObject *__pyx_v_self, PyObject *
   __pyx_L5_argtuple_error:;
   __Pyx_RaiseArgtupleInvalid("__cinit__", 1, 1, 1, PyTuple_GET_SIZE(__pyx_args)); {__pyx_filename = __pyx_f[6]; __pyx_lineno = 360; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
   __pyx_L3_error:;
-  __Pyx_AddTraceback("_cdec_sa.VEB.__cinit__", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_AddTraceback("_sa.VEB.__cinit__", __pyx_clineno, __pyx_lineno, __pyx_filename);
   __Pyx_RefNannyFinishContext();
   return -1;
   __pyx_L4_argument_unpacking_done:;
-  __pyx_r = __pyx_pf_8_cdec_sa_3VEB___cinit__(((struct __pyx_obj_8_cdec_sa_VEB *)__pyx_v_self), __pyx_v_size);
+  __pyx_r = __pyx_pf_3_sa_3VEB___cinit__(((struct __pyx_obj_3_sa_VEB *)__pyx_v_self), __pyx_v_size);
   __Pyx_RefNannyFinishContext();
   return __pyx_r;
 }
@@ -19119,7 +19383,7 @@ static int __pyx_pw_8_cdec_sa_3VEB_1__cinit__(PyObject *__pyx_v_self, PyObject *
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-static int __pyx_pf_8_cdec_sa_3VEB___cinit__(struct __pyx_obj_8_cdec_sa_VEB *__pyx_v_self, int __pyx_v_size) {
+static int __pyx_pf_3_sa_3VEB___cinit__(struct __pyx_obj_3_sa_VEB *__pyx_v_self, int __pyx_v_size) {
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  * 
  *     def __dealloc__(self):
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-  __pyx_v_self->veb = __pyx_f_8_cdec_sa_new_VEB(__pyx_v_size);
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 }
 
 /* Python wrapper */
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-static void __pyx_pw_8_cdec_sa_3VEB_3__dealloc__(PyObject *__pyx_v_self) {
+static void __pyx_pw_3_sa_3VEB_3__dealloc__(PyObject *__pyx_v_self); /*proto*/
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-static void __pyx_pf_8_cdec_sa_3VEB_2__dealloc__(struct __pyx_obj_8_cdec_sa_VEB *__pyx_v_self) {
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+static int __pyx_f_3_sa_3VEB__insert(struct __pyx_obj_3_sa_VEB *__pyx_v_self, int __pyx_v_i) {
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-  __pyx_r = __pyx_f_8_cdec_sa_VEB_insert(__pyx_v_self->veb, __pyx_v_i);
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-static int __pyx_f_8_cdec_sa_3VEB__first(struct __pyx_obj_8_cdec_sa_VEB *__pyx_v_self) {
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-static int __pyx_pf_8_cdec_sa_3VEB_12__contains__(struct __pyx_obj_8_cdec_sa_VEB *__pyx_v_self, PyObject *__pyx_v_i) {
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-  struct __pyx_obj_8_cdec_sa_SuffixArray *__pyx_v_sa = 0;
-  static PyObject **__pyx_pyargnames[] = {&__pyx_n_s__sa,0};
+static int __pyx_pw_3_sa_3LCP_1__cinit__(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
+static int __pyx_pw_3_sa_3LCP_1__cinit__(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
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-    __pyx_v_sa = ((struct __pyx_obj_8_cdec_sa_SuffixArray *)values[0]);
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-  __Pyx_AddTraceback("_cdec_sa.LCP.__cinit__", __pyx_clineno, __pyx_lineno, __pyx_filename);
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   int __pyx_v_h;
   int __pyx_v_n;
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+  __Pyx_AddTraceback("_sa.LCP.__cinit__", __pyx_clineno, __pyx_lineno, __pyx_filename);
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 /* Python wrapper */
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-static PyObject *__pyx_pw_8_cdec_sa_3LCP_3compute_stats(PyObject *__pyx_v_self, PyObject *__pyx_arg_max_n) {
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-  __pyx_cur_scope->__pyx_v_run_start = ((struct __pyx_obj_8_cdec_sa_IntList *)__pyx_t_1);
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-  __pyx_cur_scope->__pyx_v_veb = ((struct __pyx_obj_8_cdec_sa_VEB *)__pyx_t_1);
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@@ -20182,11 +20445,11 @@ static PyObject *__pyx_gb_8_cdec_sa_3LCP_4generator(__pyx_GeneratorObject *__pyx
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         __pyx_t_1 = __Pyx_GetItemInt_List(((PyObject *)__pyx_cur_scope->__pyx_v_ngram_starts), __pyx_cur_scope->__pyx_v_n, sizeof(int), PyInt_FromLong); if (!__pyx_t_1) {__pyx_filename = __pyx_f[9]; __pyx_lineno = 67; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_1);
-        if (!(likely(((__pyx_t_1) == Py_None) || likely(__Pyx_TypeTest(__pyx_t_1, __pyx_ptype_8_cdec_sa_IntList))))) {__pyx_filename = __pyx_f[9]; __pyx_lineno = 67; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        if (!(likely(((__pyx_t_1) == Py_None) || likely(__Pyx_TypeTest(__pyx_t_1, __pyx_ptype_3_sa_IntList))))) {__pyx_filename = __pyx_f[9]; __pyx_lineno = 67; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_XGOTREF(((PyObject *)__pyx_cur_scope->__pyx_v_ngram_start));
         __Pyx_XDECREF(((PyObject *)__pyx_cur_scope->__pyx_v_ngram_start));
         __Pyx_GIVEREF(__pyx_t_1);
-        __pyx_cur_scope->__pyx_v_ngram_start = ((struct __pyx_obj_8_cdec_sa_IntList *)__pyx_t_1);
+        __pyx_cur_scope->__pyx_v_ngram_start = ((struct __pyx_obj_3_sa_IntList *)__pyx_t_1);
         __pyx_t_1 = 0;
 
         /* "/Users/vchahun/Sandbox/cdec/python/src/sa/lcp.pxi":68
@@ -20251,7 +20514,7 @@ static PyObject *__pyx_gb_8_cdec_sa_3LCP_4generator(__pyx_GeneratorObject *__pyx
  *             for n from 0 <= n < max_n:
  *                 ngram_start = ngram_starts[n]
  */
-    __pyx_cur_scope->__pyx_v_ii = ((struct __pyx_vtabstruct_8_cdec_sa_VEB *)__pyx_cur_scope->__pyx_v_veb->__pyx_vtab)->_findsucc(__pyx_cur_scope->__pyx_v_veb, __pyx_cur_scope->__pyx_v_i);
+    __pyx_cur_scope->__pyx_v_ii = ((struct __pyx_vtabstruct_3_sa_VEB *)__pyx_cur_scope->__pyx_v_veb->__pyx_vtab)->_findsucc(__pyx_cur_scope->__pyx_v_veb, __pyx_cur_scope->__pyx_v_i);
 
     /* "/Users/vchahun/Sandbox/cdec/python/src/sa/lcp.pxi":74
  *         while i != -1:
@@ -20272,11 +20535,11 @@ static PyObject *__pyx_gb_8_cdec_sa_3LCP_4generator(__pyx_GeneratorObject *__pyx
  */
       __pyx_t_1 = __Pyx_GetItemInt_List(((PyObject *)__pyx_cur_scope->__pyx_v_ngram_starts), __pyx_cur_scope->__pyx_v_n, sizeof(int), PyInt_FromLong); if (!__pyx_t_1) {__pyx_filename = __pyx_f[9]; __pyx_lineno = 75; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_1);
-      if (!(likely(((__pyx_t_1) == Py_None) || likely(__Pyx_TypeTest(__pyx_t_1, __pyx_ptype_8_cdec_sa_IntList))))) {__pyx_filename = __pyx_f[9]; __pyx_lineno = 75; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      if (!(likely(((__pyx_t_1) == Py_None) || likely(__Pyx_TypeTest(__pyx_t_1, __pyx_ptype_3_sa_IntList))))) {__pyx_filename = __pyx_f[9]; __pyx_lineno = 75; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_XGOTREF(((PyObject *)__pyx_cur_scope->__pyx_v_ngram_start));
       __Pyx_XDECREF(((PyObject *)__pyx_cur_scope->__pyx_v_ngram_start));
       __Pyx_GIVEREF(__pyx_t_1);
-      __pyx_cur_scope->__pyx_v_ngram_start = ((struct __pyx_obj_8_cdec_sa_IntList *)__pyx_t_1);
+      __pyx_cur_scope->__pyx_v_ngram_start = ((struct __pyx_obj_3_sa_IntList *)__pyx_t_1);
       __pyx_t_1 = 0;
 
       /* "/Users/vchahun/Sandbox/cdec/python/src/sa/lcp.pxi":76
@@ -20394,7 +20657,7 @@ static PyObject *__pyx_gb_8_cdec_sa_3LCP_4generator(__pyx_GeneratorObject *__pyx
             __pyx_cur_scope->__pyx_v_k = __pyx_t_6;
             __pyx_t_3 = PyInt_FromLong((__pyx_cur_scope->__pyx_v_self->sa->darray->data->arr[(__pyx_cur_scope->__pyx_v_j + __pyx_cur_scope->__pyx_v_k)])); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[9]; __pyx_lineno = 85; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             __Pyx_GOTREF(__pyx_t_3);
-            if (unlikely(PyList_Append(__pyx_t_1, (PyObject*)__pyx_t_3))) {__pyx_filename = __pyx_f[9]; __pyx_lineno = 85; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            if (unlikely(__Pyx_PyList_Append(__pyx_t_1, (PyObject*)__pyx_t_3))) {__pyx_filename = __pyx_f[9]; __pyx_lineno = 85; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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           }
           __pyx_t_3 = ((PyObject *)PyList_AsTuple(__pyx_t_1)); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[9]; __pyx_lineno = 85; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
@@ -20479,20 +20742,21 @@ static PyObject *__pyx_gb_8_cdec_sa_3LCP_4generator(__pyx_GeneratorObject *__pyx
   __pyx_L0:;
   __Pyx_XDECREF(__pyx_r);
   __pyx_generator->resume_label = -1;
+  __Pyx_Generator_clear((PyObject*)__pyx_generator);
   __Pyx_RefNannyFinishContext();
   return NULL;
 }
 
 /* Python wrapper */
-static int __pyx_pw_8_cdec_sa_8Alphabet_1__cinit__(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
-static int __pyx_pw_8_cdec_sa_8Alphabet_1__cinit__(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
+static int __pyx_pw_3_sa_8Alphabet_1__cinit__(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
+static int __pyx_pw_3_sa_8Alphabet_1__cinit__(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
   int __pyx_r;
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("__cinit__ (wrapper)", 0);
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   if (unlikely(__pyx_kwds) && unlikely(PyDict_Size(__pyx_kwds) > 0) && unlikely(!__Pyx_CheckKeywordStrings(__pyx_kwds, "__cinit__", 0))) return -1;
-  __pyx_r = __pyx_pf_8_cdec_sa_8Alphabet___cinit__(((struct __pyx_obj_8_cdec_sa_Alphabet *)__pyx_v_self));
+  __pyx_r = __pyx_pf_3_sa_8Alphabet___cinit__(((struct __pyx_obj_3_sa_Alphabet *)__pyx_v_self));
   __Pyx_RefNannyFinishContext();
   return __pyx_r;
 }
@@ -20505,7 +20769,7 @@ static int __pyx_pw_8_cdec_sa_8Alphabet_1__cinit__(PyObject *__pyx_v_self, PyObj
  *         self.nonterminals = StringMap()
  */
 
-static int __pyx_pf_8_cdec_sa_8Alphabet___cinit__(struct __pyx_obj_8_cdec_sa_Alphabet *__pyx_v_self) {
+static int __pyx_pf_3_sa_8Alphabet___cinit__(struct __pyx_obj_3_sa_Alphabet *__pyx_v_self) {
   int __pyx_r;
   __Pyx_RefNannyDeclarations
   PyObject *__pyx_t_1 = NULL;
@@ -20521,12 +20785,12 @@ static int __pyx_pf_8_cdec_sa_8Alphabet___cinit__(struct __pyx_obj_8_cdec_sa_Alp
  *         self.nonterminals = StringMap()
  *         self.id2sym = {}
  */
-  __pyx_t_1 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_8_cdec_sa_StringMap)), ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 13; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_StringMap)), ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 13; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_1);
   __Pyx_GIVEREF(__pyx_t_1);
   __Pyx_GOTREF(__pyx_v_self->terminals);
   __Pyx_DECREF(((PyObject *)__pyx_v_self->terminals));
-  __pyx_v_self->terminals = ((struct __pyx_obj_8_cdec_sa_StringMap *)__pyx_t_1);
+  __pyx_v_self->terminals = ((struct __pyx_obj_3_sa_StringMap *)__pyx_t_1);
   __pyx_t_1 = 0;
 
   /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":14
@@ -20536,12 +20800,12 @@ static int __pyx_pf_8_cdec_sa_8Alphabet___cinit__(struct __pyx_obj_8_cdec_sa_Alp
  *         self.id2sym = {}
  *         self.first_nonterminal = -1
  */
-  __pyx_t_1 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_8_cdec_sa_StringMap)), ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 14; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_StringMap)), ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 14; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_1);
   __Pyx_GIVEREF(__pyx_t_1);
   __Pyx_GOTREF(__pyx_v_self->nonterminals);
   __Pyx_DECREF(((PyObject *)__pyx_v_self->nonterminals));
-  __pyx_v_self->nonterminals = ((struct __pyx_obj_8_cdec_sa_StringMap *)__pyx_t_1);
+  __pyx_v_self->nonterminals = ((struct __pyx_obj_3_sa_StringMap *)__pyx_t_1);
   __pyx_t_1 = 0;
 
   /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":15
@@ -20572,7 +20836,7 @@ static int __pyx_pf_8_cdec_sa_8Alphabet___cinit__(struct __pyx_obj_8_cdec_sa_Alp
   goto __pyx_L0;
   __pyx_L1_error:;
   __Pyx_XDECREF(__pyx_t_1);
-  __Pyx_AddTraceback("_cdec_sa.Alphabet.__cinit__", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_AddTraceback("_sa.Alphabet.__cinit__", __pyx_clineno, __pyx_lineno, __pyx_filename);
   __pyx_r = -1;
   __pyx_L0:;
   __Pyx_RefNannyFinishContext();
@@ -20580,11 +20844,11 @@ static int __pyx_pf_8_cdec_sa_8Alphabet___cinit__(struct __pyx_obj_8_cdec_sa_Alp
 }
 
 /* Python wrapper */
-static void __pyx_pw_8_cdec_sa_8Alphabet_3__dealloc__(PyObject *__pyx_v_self); /*proto*/
-static void __pyx_pw_8_cdec_sa_8Alphabet_3__dealloc__(PyObject *__pyx_v_self) {
+static void __pyx_pw_3_sa_8Alphabet_3__dealloc__(PyObject *__pyx_v_self); /*proto*/
+static void __pyx_pw_3_sa_8Alphabet_3__dealloc__(PyObject *__pyx_v_self) {
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("__dealloc__ (wrapper)", 0);
-  __pyx_pf_8_cdec_sa_8Alphabet_2__dealloc__(((struct __pyx_obj_8_cdec_sa_Alphabet *)__pyx_v_self));
+  __pyx_pf_3_sa_8Alphabet_2__dealloc__(((struct __pyx_obj_3_sa_Alphabet *)__pyx_v_self));
   __Pyx_RefNannyFinishContext();
 }
 
@@ -20596,7 +20860,7 @@ static void __pyx_pw_8_cdec_sa_8Alphabet_3__dealloc__(PyObject *__pyx_v_self) {
  * 
  */
 
-static void __pyx_pf_8_cdec_sa_8Alphabet_2__dealloc__(CYTHON_UNUSED struct __pyx_obj_8_cdec_sa_Alphabet *__pyx_v_self) {
+static void __pyx_pf_3_sa_8Alphabet_2__dealloc__(CYTHON_UNUSED struct __pyx_obj_3_sa_Alphabet *__pyx_v_self) {
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("__dealloc__", 0);
 
@@ -20611,7 +20875,7 @@ static void __pyx_pf_8_cdec_sa_8Alphabet_2__dealloc__(CYTHON_UNUSED struct __pyx
  * 
  */
 
-static int __pyx_f_8_cdec_sa_8Alphabet_isvar(CYTHON_UNUSED struct __pyx_obj_8_cdec_sa_Alphabet *__pyx_v_self, int __pyx_v_sym) {
+static int __pyx_f_3_sa_8Alphabet_isvar(CYTHON_UNUSED struct __pyx_obj_3_sa_Alphabet *__pyx_v_self, int __pyx_v_sym) {
   int __pyx_r;
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("isvar", 0);
@@ -20640,7 +20904,7 @@ static int __pyx_f_8_cdec_sa_8Alphabet_isvar(CYTHON_UNUSED struct __pyx_obj_8_cd
  * 
  */
 
-static int __pyx_f_8_cdec_sa_8Alphabet_isword(CYTHON_UNUSED struct __pyx_obj_8_cdec_sa_Alphabet *__pyx_v_self, int __pyx_v_sym) {
+static int __pyx_f_3_sa_8Alphabet_isword(CYTHON_UNUSED struct __pyx_obj_3_sa_Alphabet *__pyx_v_self, int __pyx_v_sym) {
   int __pyx_r;
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("isword", 0);
@@ -20669,7 +20933,7 @@ static int __pyx_f_8_cdec_sa_8Alphabet_isword(CYTHON_UNUSED struct __pyx_obj_8_c
  * 
  */
 
-static int __pyx_f_8_cdec_sa_8Alphabet_getindex(CYTHON_UNUSED struct __pyx_obj_8_cdec_sa_Alphabet *__pyx_v_self, int __pyx_v_sym) {
+static int __pyx_f_3_sa_8Alphabet_getindex(CYTHON_UNUSED struct __pyx_obj_3_sa_Alphabet *__pyx_v_self, int __pyx_v_sym) {
   int __pyx_r;
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("getindex", 0);
@@ -20681,7 +20945,7 @@ static int __pyx_f_8_cdec_sa_8Alphabet_getindex(CYTHON_UNUSED struct __pyx_obj_8
  * 
  *     cdef int setindex(self, int sym, int ind):
  */
-  __pyx_r = ((-__pyx_v_sym) & __pyx_v_8_cdec_sa_INDEX_MASK);
+  __pyx_r = ((-__pyx_v_sym) & __pyx_v_3_sa_INDEX_MASK);
   goto __pyx_L0;
 
   __pyx_r = 0;
@@ -20698,7 +20962,7 @@ static int __pyx_f_8_cdec_sa_8Alphabet_getindex(CYTHON_UNUSED struct __pyx_obj_8
  * 
  */
 
-static int __pyx_f_8_cdec_sa_8Alphabet_setindex(CYTHON_UNUSED struct __pyx_obj_8_cdec_sa_Alphabet *__pyx_v_self, int __pyx_v_sym, int __pyx_v_ind) {
+static int __pyx_f_3_sa_8Alphabet_setindex(CYTHON_UNUSED struct __pyx_obj_3_sa_Alphabet *__pyx_v_self, int __pyx_v_sym, int __pyx_v_ind) {
   int __pyx_r;
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("setindex", 0);
@@ -20710,7 +20974,7 @@ static int __pyx_f_8_cdec_sa_8Alphabet_setindex(CYTHON_UNUSED struct __pyx_obj_8
  * 
  *     cdef int clearindex(self, int sym):
  */
-  __pyx_r = (-(((-__pyx_v_sym) & (~__pyx_v_8_cdec_sa_INDEX_MASK)) | __pyx_v_ind));
+  __pyx_r = (-(((-__pyx_v_sym) & (~__pyx_v_3_sa_INDEX_MASK)) | __pyx_v_ind));
   goto __pyx_L0;
 
   __pyx_r = 0;
@@ -20727,7 +20991,7 @@ static int __pyx_f_8_cdec_sa_8Alphabet_setindex(CYTHON_UNUSED struct __pyx_obj_8
  * 
  */
 
-static int __pyx_f_8_cdec_sa_8Alphabet_clearindex(CYTHON_UNUSED struct __pyx_obj_8_cdec_sa_Alphabet *__pyx_v_self, int __pyx_v_sym) {
+static int __pyx_f_3_sa_8Alphabet_clearindex(CYTHON_UNUSED struct __pyx_obj_3_sa_Alphabet *__pyx_v_self, int __pyx_v_sym) {
   int __pyx_r;
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("clearindex", 0);
@@ -20739,7 +21003,7 @@ static int __pyx_f_8_cdec_sa_8Alphabet_clearindex(CYTHON_UNUSED struct __pyx_obj
  * 
  *     cdef int match(self, int sym1, int sym2):
  */
-  __pyx_r = (-((-__pyx_v_sym) & (~__pyx_v_8_cdec_sa_INDEX_MASK)));
+  __pyx_r = (-((-__pyx_v_sym) & (~__pyx_v_3_sa_INDEX_MASK)));
   goto __pyx_L0;
 
   __pyx_r = 0;
@@ -20756,7 +21020,7 @@ static int __pyx_f_8_cdec_sa_8Alphabet_clearindex(CYTHON_UNUSED struct __pyx_obj
  * 
  */
 
-static int __pyx_f_8_cdec_sa_8Alphabet_match(struct __pyx_obj_8_cdec_sa_Alphabet *__pyx_v_self, int __pyx_v_sym1, int __pyx_v_sym2) {
+static int __pyx_f_3_sa_8Alphabet_match(struct __pyx_obj_3_sa_Alphabet *__pyx_v_self, int __pyx_v_sym1, int __pyx_v_sym2) {
   int __pyx_r;
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("match", 0);
@@ -20768,7 +21032,7 @@ static int __pyx_f_8_cdec_sa_8Alphabet_match(struct __pyx_obj_8_cdec_sa_Alphabet
  * 
  *     cdef char* tocat(self, int sym):
  */
-  __pyx_r = (((struct __pyx_vtabstruct_8_cdec_sa_Alphabet *)__pyx_v_self->__pyx_vtab)->clearindex(__pyx_v_self, __pyx_v_sym1) == ((struct __pyx_vtabstruct_8_cdec_sa_Alphabet *)__pyx_v_self->__pyx_vtab)->clearindex(__pyx_v_self, __pyx_v_sym2));
+  __pyx_r = (((struct __pyx_vtabstruct_3_sa_Alphabet *)__pyx_v_self->__pyx_vtab)->clearindex(__pyx_v_self, __pyx_v_sym1) == ((struct __pyx_vtabstruct_3_sa_Alphabet *)__pyx_v_self->__pyx_vtab)->clearindex(__pyx_v_self, __pyx_v_sym2));
   goto __pyx_L0;
 
   __pyx_r = 0;
@@ -20785,7 +21049,7 @@ static int __pyx_f_8_cdec_sa_8Alphabet_match(struct __pyx_obj_8_cdec_sa_Alphabet
  * 
  */
 
-static char *__pyx_f_8_cdec_sa_8Alphabet_tocat(struct __pyx_obj_8_cdec_sa_Alphabet *__pyx_v_self, int __pyx_v_sym) {
+static char *__pyx_f_3_sa_8Alphabet_tocat(struct __pyx_obj_3_sa_Alphabet *__pyx_v_self, int __pyx_v_sym) {
   char *__pyx_r;
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("tocat", 0);
@@ -20797,7 +21061,7 @@ static char *__pyx_f_8_cdec_sa_8Alphabet_tocat(struct __pyx_obj_8_cdec_sa_Alphab
  * 
  *     cdef int fromcat(self, char *s):
  */
-  __pyx_r = ((struct __pyx_vtabstruct_8_cdec_sa_StringMap *)__pyx_v_self->nonterminals->__pyx_vtab)->word(__pyx_v_self->nonterminals, (((-__pyx_v_sym) >> __pyx_v_8_cdec_sa_INDEX_SHIFT) - 1));
+  __pyx_r = ((struct __pyx_vtabstruct_3_sa_StringMap *)__pyx_v_self->nonterminals->__pyx_vtab)->word(__pyx_v_self->nonterminals, (((-__pyx_v_sym) >> __pyx_v_3_sa_INDEX_SHIFT) - 1));
   goto __pyx_L0;
 
   __pyx_r = 0;
@@ -20814,7 +21078,7 @@ static char *__pyx_f_8_cdec_sa_8Alphabet_tocat(struct __pyx_obj_8_cdec_sa_Alphab
  *         i = self.nonterminals.index(s)
  */
 
-static int __pyx_f_8_cdec_sa_8Alphabet_fromcat(struct __pyx_obj_8_cdec_sa_Alphabet *__pyx_v_self, char *__pyx_v_s) {
+static int __pyx_f_3_sa_8Alphabet_fromcat(struct __pyx_obj_3_sa_Alphabet *__pyx_v_self, char *__pyx_v_s) {
   int __pyx_v_i;
   int __pyx_r;
   __Pyx_RefNannyDeclarations
@@ -20828,7 +21092,7 @@ static int __pyx_f_8_cdec_sa_8Alphabet_fromcat(struct __pyx_obj_8_cdec_sa_Alphab
  *         if self.first_nonterminal == -1:
  *             self.first_nonterminal = i
  */
-  __pyx_v_i = ((struct __pyx_vtabstruct_8_cdec_sa_StringMap *)__pyx_v_self->nonterminals->__pyx_vtab)->index(__pyx_v_self->nonterminals, __pyx_v_s);
+  __pyx_v_i = ((struct __pyx_vtabstruct_3_sa_StringMap *)__pyx_v_self->nonterminals->__pyx_vtab)->index(__pyx_v_self->nonterminals, __pyx_v_s);
 
   /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":45
  *         cdef int i
@@ -20881,7 +21145,7 @@ static int __pyx_f_8_cdec_sa_8Alphabet_fromcat(struct __pyx_obj_8_cdec_sa_Alphab
  * 
  *     cdef char* tostring(self, int sym):
  */
-  __pyx_r = (-((__pyx_v_i + 1) << __pyx_v_8_cdec_sa_INDEX_SHIFT));
+  __pyx_r = (-((__pyx_v_i + 1) << __pyx_v_3_sa_INDEX_SHIFT));
   goto __pyx_L0;
 
   __pyx_r = 0;
@@ -20898,7 +21162,7 @@ static int __pyx_f_8_cdec_sa_8Alphabet_fromcat(struct __pyx_obj_8_cdec_sa_Alphab
  *         if self.isvar(sym):
  */
 
-static char *__pyx_f_8_cdec_sa_8Alphabet_tostring(struct __pyx_obj_8_cdec_sa_Alphabet *__pyx_v_self, int __pyx_v_sym) {
+static char *__pyx_f_3_sa_8Alphabet_tostring(struct __pyx_obj_3_sa_Alphabet *__pyx_v_self, int __pyx_v_sym) {
   int __pyx_v_ind;
   char *__pyx_r;
   __Pyx_RefNannyDeclarations
@@ -20920,7 +21184,7 @@ static char *__pyx_f_8_cdec_sa_8Alphabet_tostring(struct __pyx_obj_8_cdec_sa_Alp
  *             if sym in self.id2sym:
  *                 return self.id2sym[sym]
  */
-  __pyx_t_1 = ((struct __pyx_vtabstruct_8_cdec_sa_Alphabet *)__pyx_v_self->__pyx_vtab)->isvar(__pyx_v_self, __pyx_v_sym);
+  __pyx_t_1 = ((struct __pyx_vtabstruct_3_sa_Alphabet *)__pyx_v_self->__pyx_vtab)->isvar(__pyx_v_self, __pyx_v_sym);
   if (__pyx_t_1) {
 
     /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":54
@@ -20928,12 +21192,13 @@ static char *__pyx_f_8_cdec_sa_8Alphabet_tostring(struct __pyx_obj_8_cdec_sa_Alp
  *         if self.isvar(sym):
  *             if sym in self.id2sym:             # <<<<<<<<<<<<<<
  *                 return self.id2sym[sym]
- * 
+ *             ind = self.getindex(sym)
  */
     __pyx_t_2 = PyInt_FromLong(__pyx_v_sym); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 54; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_2);
     if (unlikely(((PyObject *)__pyx_v_self->id2sym) == Py_None)) {
-      PyErr_SetString(PyExc_TypeError, "'NoneType' object is not iterable"); {__pyx_filename = __pyx_f[10]; __pyx_lineno = 54; __pyx_clineno = __LINE__; goto __pyx_L1_error;} 
+      PyErr_SetString(PyExc_TypeError, "'NoneType' object is not iterable");
+      {__pyx_filename = __pyx_f[10]; __pyx_lineno = 54; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     }
     __pyx_t_3 = ((PyDict_Contains(((PyObject *)__pyx_v_self->id2sym), __pyx_t_2))); if (unlikely(__pyx_t_3 < 0)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 54; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
@@ -20943,9 +21208,13 @@ static char *__pyx_f_8_cdec_sa_8Alphabet_tostring(struct __pyx_obj_8_cdec_sa_Alp
  *         if self.isvar(sym):
  *             if sym in self.id2sym:
  *                 return self.id2sym[sym]             # <<<<<<<<<<<<<<
- * 
  *             ind = self.getindex(sym)
+ *             if ind > 0:
  */
+      if (unlikely(((PyObject *)__pyx_v_self->id2sym) == Py_None)) {
+        PyErr_SetString(PyExc_TypeError, "'NoneType' object is not subscriptable");
+        {__pyx_filename = __pyx_f[10]; __pyx_lineno = 55; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      }
       __pyx_t_2 = __Pyx_GetItemInt(((PyObject *)__pyx_v_self->id2sym), __pyx_v_sym, sizeof(int), PyInt_FromLong); if (!__pyx_t_2) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 55; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_2);
       __pyx_t_4 = PyBytes_AsString(__pyx_t_2); if (unlikely((!__pyx_t_4) && PyErr_Occurred())) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 55; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
@@ -20956,17 +21225,17 @@ static char *__pyx_f_8_cdec_sa_8Alphabet_tostring(struct __pyx_obj_8_cdec_sa_Alp
     }
     __pyx_L4:;
 
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":57
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":56
+ *             if sym in self.id2sym:
  *                 return self.id2sym[sym]
- * 
  *             ind = self.getindex(sym)             # <<<<<<<<<<<<<<
  *             if ind > 0:
  *                 self.id2sym[sym] = "[%s,%d]" % (self.tocat(sym), ind)
  */
-    __pyx_v_ind = ((struct __pyx_vtabstruct_8_cdec_sa_Alphabet *)__pyx_v_self->__pyx_vtab)->getindex(__pyx_v_self, __pyx_v_sym);
+    __pyx_v_ind = ((struct __pyx_vtabstruct_3_sa_Alphabet *)__pyx_v_self->__pyx_vtab)->getindex(__pyx_v_self, __pyx_v_sym);
 
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":58
- * 
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":57
+ *                 return self.id2sym[sym]
  *             ind = self.getindex(sym)
  *             if ind > 0:             # <<<<<<<<<<<<<<
  *                 self.id2sym[sym] = "[%s,%d]" % (self.tocat(sym), ind)
@@ -20975,18 +21244,18 @@ static char *__pyx_f_8_cdec_sa_8Alphabet_tostring(struct __pyx_obj_8_cdec_sa_Alp
     __pyx_t_3 = (__pyx_v_ind > 0);
     if (__pyx_t_3) {
 
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":59
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":58
  *             ind = self.getindex(sym)
  *             if ind > 0:
  *                 self.id2sym[sym] = "[%s,%d]" % (self.tocat(sym), ind)             # <<<<<<<<<<<<<<
  *             else:
  *                 self.id2sym[sym] = "[%s]" % self.tocat(sym)
  */
-      __pyx_t_2 = PyBytes_FromString(((struct __pyx_vtabstruct_8_cdec_sa_Alphabet *)__pyx_v_self->__pyx_vtab)->tocat(__pyx_v_self, __pyx_v_sym)); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 59; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_2 = PyBytes_FromString(((struct __pyx_vtabstruct_3_sa_Alphabet *)__pyx_v_self->__pyx_vtab)->tocat(__pyx_v_self, __pyx_v_sym)); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 58; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(((PyObject *)__pyx_t_2));
-      __pyx_t_5 = PyInt_FromLong(__pyx_v_ind); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 59; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_5 = PyInt_FromLong(__pyx_v_ind); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 58; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_5);
-      __pyx_t_6 = PyTuple_New(2); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 59; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_6 = PyTuple_New(2); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 58; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_6);
       PyTuple_SET_ITEM(__pyx_t_6, 0, ((PyObject *)__pyx_t_2));
       __Pyx_GIVEREF(((PyObject *)__pyx_t_2));
@@ -20994,42 +21263,54 @@ static char *__pyx_f_8_cdec_sa_8Alphabet_tostring(struct __pyx_obj_8_cdec_sa_Alp
       __Pyx_GIVEREF(__pyx_t_5);
       __pyx_t_2 = 0;
       __pyx_t_5 = 0;
-      __pyx_t_5 = PyNumber_Remainder(((PyObject *)__pyx_kp_s_61), ((PyObject *)__pyx_t_6)); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 59; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_5 = PyNumber_Remainder(((PyObject *)__pyx_kp_s_61), ((PyObject *)__pyx_t_6)); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 58; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(((PyObject *)__pyx_t_5));
       __Pyx_DECREF(((PyObject *)__pyx_t_6)); __pyx_t_6 = 0;
-      if (__Pyx_SetItemInt(((PyObject *)__pyx_v_self->id2sym), __pyx_v_sym, ((PyObject *)__pyx_t_5), sizeof(int), PyInt_FromLong) < 0) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 59; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      if (unlikely(((PyObject *)__pyx_v_self->id2sym) == Py_None)) {
+        PyErr_SetString(PyExc_TypeError, "'NoneType' object is not subscriptable");
+        {__pyx_filename = __pyx_f[10]; __pyx_lineno = 58; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      }
+      if (__Pyx_SetItemInt(((PyObject *)__pyx_v_self->id2sym), __pyx_v_sym, ((PyObject *)__pyx_t_5), sizeof(int), PyInt_FromLong) < 0) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 58; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_DECREF(((PyObject *)__pyx_t_5)); __pyx_t_5 = 0;
       goto __pyx_L5;
     }
     /*else*/ {
 
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":61
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":60
  *                 self.id2sym[sym] = "[%s,%d]" % (self.tocat(sym), ind)
  *             else:
  *                 self.id2sym[sym] = "[%s]" % self.tocat(sym)             # <<<<<<<<<<<<<<
  *             return self.id2sym[sym]
- * 
+ *         else:
  */
-      __pyx_t_5 = PyBytes_FromString(((struct __pyx_vtabstruct_8_cdec_sa_Alphabet *)__pyx_v_self->__pyx_vtab)->tocat(__pyx_v_self, __pyx_v_sym)); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 61; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_5 = PyBytes_FromString(((struct __pyx_vtabstruct_3_sa_Alphabet *)__pyx_v_self->__pyx_vtab)->tocat(__pyx_v_self, __pyx_v_sym)); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 60; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(((PyObject *)__pyx_t_5));
-      __pyx_t_6 = PyNumber_Remainder(((PyObject *)__pyx_kp_s_62), ((PyObject *)__pyx_t_5)); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 61; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_6 = PyNumber_Remainder(((PyObject *)__pyx_kp_s_62), ((PyObject *)__pyx_t_5)); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 60; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(((PyObject *)__pyx_t_6));
       __Pyx_DECREF(((PyObject *)__pyx_t_5)); __pyx_t_5 = 0;
-      if (__Pyx_SetItemInt(((PyObject *)__pyx_v_self->id2sym), __pyx_v_sym, ((PyObject *)__pyx_t_6), sizeof(int), PyInt_FromLong) < 0) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 61; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      if (unlikely(((PyObject *)__pyx_v_self->id2sym) == Py_None)) {
+        PyErr_SetString(PyExc_TypeError, "'NoneType' object is not subscriptable");
+        {__pyx_filename = __pyx_f[10]; __pyx_lineno = 60; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      }
+      if (__Pyx_SetItemInt(((PyObject *)__pyx_v_self->id2sym), __pyx_v_sym, ((PyObject *)__pyx_t_6), sizeof(int), PyInt_FromLong) < 0) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 60; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_DECREF(((PyObject *)__pyx_t_6)); __pyx_t_6 = 0;
     }
     __pyx_L5:;
 
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":62
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":61
  *             else:
  *                 self.id2sym[sym] = "[%s]" % self.tocat(sym)
  *             return self.id2sym[sym]             # <<<<<<<<<<<<<<
- * 
  *         else:
+ *             return self.terminals.word(sym)
  */
-    __pyx_t_6 = __Pyx_GetItemInt(((PyObject *)__pyx_v_self->id2sym), __pyx_v_sym, sizeof(int), PyInt_FromLong); if (!__pyx_t_6) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 62; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    if (unlikely(((PyObject *)__pyx_v_self->id2sym) == Py_None)) {
+      PyErr_SetString(PyExc_TypeError, "'NoneType' object is not subscriptable");
+      {__pyx_filename = __pyx_f[10]; __pyx_lineno = 61; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    }
+    __pyx_t_6 = __Pyx_GetItemInt(((PyObject *)__pyx_v_self->id2sym), __pyx_v_sym, sizeof(int), PyInt_FromLong); if (!__pyx_t_6) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 61; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_6);
-    __pyx_t_4 = PyBytes_AsString(__pyx_t_6); if (unlikely((!__pyx_t_4) && PyErr_Occurred())) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 62; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_4 = PyBytes_AsString(__pyx_t_6); if (unlikely((!__pyx_t_4) && PyErr_Occurred())) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 61; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
     __pyx_r = __pyx_t_4;
     goto __pyx_L0;
@@ -21037,14 +21318,14 @@ static char *__pyx_f_8_cdec_sa_8Alphabet_tostring(struct __pyx_obj_8_cdec_sa_Alp
   }
   /*else*/ {
 
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":65
- * 
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":63
+ *             return self.id2sym[sym]
  *         else:
  *             return self.terminals.word(sym)             # <<<<<<<<<<<<<<
  * 
  *     cdef int fromstring(self, char *s, bint terminal):
  */
-    __pyx_r = ((struct __pyx_vtabstruct_8_cdec_sa_StringMap *)__pyx_v_self->terminals->__pyx_vtab)->word(__pyx_v_self->terminals, __pyx_v_sym);
+    __pyx_r = ((struct __pyx_vtabstruct_3_sa_StringMap *)__pyx_v_self->terminals->__pyx_vtab)->word(__pyx_v_self->terminals, __pyx_v_sym);
     goto __pyx_L0;
   }
   __pyx_L3:;
@@ -21055,14 +21336,14 @@ static char *__pyx_f_8_cdec_sa_8Alphabet_tostring(struct __pyx_obj_8_cdec_sa_Alp
   __Pyx_XDECREF(__pyx_t_2);
   __Pyx_XDECREF(__pyx_t_5);
   __Pyx_XDECREF(__pyx_t_6);
-  __Pyx_WriteUnraisable("_cdec_sa.Alphabet.tostring", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_WriteUnraisable("_sa.Alphabet.tostring", __pyx_clineno, __pyx_lineno, __pyx_filename);
   __pyx_r = 0;
   __pyx_L0:;
   __Pyx_RefNannyFinishContext();
   return __pyx_r;
 }
 
-/* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":67
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":65
  *             return self.terminals.word(sym)
  * 
  *     cdef int fromstring(self, char *s, bint terminal):             # <<<<<<<<<<<<<<
@@ -21070,7 +21351,7 @@ static char *__pyx_f_8_cdec_sa_8Alphabet_tostring(struct __pyx_obj_8_cdec_sa_Alp
  *         cdef char *comma
  */
 
-static int __pyx_f_8_cdec_sa_8Alphabet_fromstring(struct __pyx_obj_8_cdec_sa_Alphabet *__pyx_v_self, char *__pyx_v_s, int __pyx_v_terminal) {
+static int __pyx_f_3_sa_8Alphabet_fromstring(struct __pyx_obj_3_sa_Alphabet *__pyx_v_self, char *__pyx_v_s, int __pyx_v_terminal) {
   char *__pyx_v_comma;
   int __pyx_v_n;
   char *__pyx_v_sep;
@@ -21090,7 +21371,7 @@ static int __pyx_f_8_cdec_sa_8Alphabet_fromstring(struct __pyx_obj_8_cdec_sa_Alp
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("fromstring", 0);
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":71
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":69
  *         cdef char *comma
  *         cdef int n
  *         n = strlen(s)             # <<<<<<<<<<<<<<
@@ -21099,7 +21380,7 @@ static int __pyx_f_8_cdec_sa_8Alphabet_fromstring(struct __pyx_obj_8_cdec_sa_Alp
  */
   __pyx_v_n = strlen(__pyx_v_s);
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":73
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":71
  *         n = strlen(s)
  *         cdef char *sep
  *         sep = strstr(s,"_SEP_")             # <<<<<<<<<<<<<<
@@ -21108,7 +21389,7 @@ static int __pyx_f_8_cdec_sa_8Alphabet_fromstring(struct __pyx_obj_8_cdec_sa_Alp
  */
   __pyx_v_sep = strstr(__pyx_v_s, __pyx_k___SEP_);
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":74
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":72
  *         cdef char *sep
  *         sep = strstr(s,"_SEP_")
  *         if n >= 3 and s[0] == c'[' and s[n-1] == c']' and sep == NULL:             # <<<<<<<<<<<<<<
@@ -21136,7 +21417,7 @@ static int __pyx_f_8_cdec_sa_8Alphabet_fromstring(struct __pyx_obj_8_cdec_sa_Alp
   }
   if (__pyx_t_2) {
 
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":75
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":73
  *         sep = strstr(s,"_SEP_")
  *         if n >= 3 and s[0] == c'[' and s[n-1] == c']' and sep == NULL:
  *             if terminal:             # <<<<<<<<<<<<<<
@@ -21145,36 +21426,36 @@ static int __pyx_f_8_cdec_sa_8Alphabet_fromstring(struct __pyx_obj_8_cdec_sa_Alp
  */
     if (__pyx_v_terminal) {
 
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":76
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":74
  *         if n >= 3 and s[0] == c'[' and s[n-1] == c']' and sep == NULL:
  *             if terminal:
  *                 s1 = "\\"+s             # <<<<<<<<<<<<<<
  *                 return self.terminals.index(s1)
  *             s[n-1] = c'\0'
  */
-      __pyx_t_6 = PyBytes_FromString(__pyx_v_s); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 76; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_6 = PyBytes_FromString(__pyx_v_s); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 74; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(((PyObject *)__pyx_t_6));
-      __pyx_t_7 = PyNumber_Add(((PyObject *)__pyx_kp_s_63), ((PyObject *)__pyx_t_6)); if (unlikely(!__pyx_t_7)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 76; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_7 = PyNumber_Add(((PyObject *)__pyx_kp_s_63), ((PyObject *)__pyx_t_6)); if (unlikely(!__pyx_t_7)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 74; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_7);
       __Pyx_DECREF(((PyObject *)__pyx_t_6)); __pyx_t_6 = 0;
       __pyx_v_s1 = __pyx_t_7;
       __pyx_t_7 = 0;
 
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":77
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":75
  *             if terminal:
  *                 s1 = "\\"+s
  *                 return self.terminals.index(s1)             # <<<<<<<<<<<<<<
  *             s[n-1] = c'\0'
  *             s = s + 1
  */
-      __pyx_t_8 = PyBytes_AsString(__pyx_v_s1); if (unlikely((!__pyx_t_8) && PyErr_Occurred())) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 77; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-      __pyx_r = ((struct __pyx_vtabstruct_8_cdec_sa_StringMap *)__pyx_v_self->terminals->__pyx_vtab)->index(__pyx_v_self->terminals, __pyx_t_8);
+      __pyx_t_8 = PyBytes_AsString(__pyx_v_s1); if (unlikely((!__pyx_t_8) && PyErr_Occurred())) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 75; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_r = ((struct __pyx_vtabstruct_3_sa_StringMap *)__pyx_v_self->terminals->__pyx_vtab)->index(__pyx_v_self->terminals, __pyx_t_8);
       goto __pyx_L0;
       goto __pyx_L4;
     }
     __pyx_L4:;
 
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":78
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":76
  *                 s1 = "\\"+s
  *                 return self.terminals.index(s1)
  *             s[n-1] = c'\0'             # <<<<<<<<<<<<<<
@@ -21183,7 +21464,7 @@ static int __pyx_f_8_cdec_sa_8Alphabet_fromstring(struct __pyx_obj_8_cdec_sa_Alp
  */
     (__pyx_v_s[(__pyx_v_n - 1)]) = '\x00';
 
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":79
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":77
  *                 return self.terminals.index(s1)
  *             s[n-1] = c'\0'
  *             s = s + 1             # <<<<<<<<<<<<<<
@@ -21192,7 +21473,7 @@ static int __pyx_f_8_cdec_sa_8Alphabet_fromstring(struct __pyx_obj_8_cdec_sa_Alp
  */
     __pyx_v_s = (__pyx_v_s + 1);
 
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":80
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":78
  *             s[n-1] = c'\0'
  *             s = s + 1
  *             comma = strrchr(s, c',')             # <<<<<<<<<<<<<<
@@ -21201,7 +21482,7 @@ static int __pyx_f_8_cdec_sa_8Alphabet_fromstring(struct __pyx_obj_8_cdec_sa_Alp
  */
     __pyx_v_comma = strrchr(__pyx_v_s, ',');
 
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":81
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":79
  *             s = s + 1
  *             comma = strrchr(s, c',')
  *             if comma != NULL:             # <<<<<<<<<<<<<<
@@ -21211,7 +21492,7 @@ static int __pyx_f_8_cdec_sa_8Alphabet_fromstring(struct __pyx_obj_8_cdec_sa_Alp
     __pyx_t_2 = (__pyx_v_comma != NULL);
     if (__pyx_t_2) {
 
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":82
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":80
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  *             if comma != NULL:
  *                 comma[0] = c'\0'             # <<<<<<<<<<<<<<
@@ -21220,27 +21501,27 @@ static int __pyx_f_8_cdec_sa_8Alphabet_fromstring(struct __pyx_obj_8_cdec_sa_Alp
  */
       (__pyx_v_comma[0]) = '\x00';
 
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":83
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":81
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+      __pyx_r = ((struct __pyx_vtabstruct_3_sa_Alphabet *)__pyx_v_self->__pyx_vtab)->setindex(__pyx_v_self, ((struct __pyx_vtabstruct_3_sa_Alphabet *)__pyx_v_self->__pyx_vtab)->fromcat(__pyx_v_self, __pyx_v_s), strtol((__pyx_v_comma + 1), NULL, 10));
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       goto __pyx_L5;
     }
     /*else*/ {
 
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":85
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":83
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  *             else:
  *                 return self.fromcat(s)             # <<<<<<<<<<<<<<
  *         else:
  *             return self.terminals.index(s)
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-      __pyx_r = ((struct __pyx_vtabstruct_8_cdec_sa_Alphabet *)__pyx_v_self->__pyx_vtab)->fromcat(__pyx_v_self, __pyx_v_s);
+      __pyx_r = ((struct __pyx_vtabstruct_3_sa_Alphabet *)__pyx_v_self->__pyx_vtab)->fromcat(__pyx_v_self, __pyx_v_s);
       goto __pyx_L0;
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     __pyx_L5:;
@@ -21248,14 +21529,14 @@ static int __pyx_f_8_cdec_sa_8Alphabet_fromstring(struct __pyx_obj_8_cdec_sa_Alp
   }
   /*else*/ {
 
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":87
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":85
  *                 return self.fromcat(s)
  *         else:
  *             return self.terminals.index(s)             # <<<<<<<<<<<<<<
  * 
  * cdef Alphabet ALPHABET = Alphabet()
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-    __pyx_r = ((struct __pyx_vtabstruct_8_cdec_sa_StringMap *)__pyx_v_self->terminals->__pyx_vtab)->index(__pyx_v_self->terminals, __pyx_v_s);
+    __pyx_r = ((struct __pyx_vtabstruct_3_sa_StringMap *)__pyx_v_self->terminals->__pyx_vtab)->index(__pyx_v_self->terminals, __pyx_v_s);
     goto __pyx_L0;
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   __pyx_L3:;
@@ -21265,7 +21546,7 @@ static int __pyx_f_8_cdec_sa_8Alphabet_fromstring(struct __pyx_obj_8_cdec_sa_Alp
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   __Pyx_XDECREF(__pyx_t_7);
-  __Pyx_WriteUnraisable("_cdec_sa.Alphabet.fromstring", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_WriteUnraisable("_sa.Alphabet.fromstring", __pyx_clineno, __pyx_lineno, __pyx_filename);
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@@ -21274,12 +21555,12 @@ static int __pyx_f_8_cdec_sa_8Alphabet_fromstring(struct __pyx_obj_8_cdec_sa_Alp
 }
 
 /* Python wrapper */
-static PyObject *__pyx_pw_8_cdec_sa_8Alphabet_9terminals_1__get__(PyObject *__pyx_v_self); /*proto*/
-static PyObject *__pyx_pw_8_cdec_sa_8Alphabet_9terminals_1__get__(PyObject *__pyx_v_self) {
+static PyObject *__pyx_pw_3_sa_8Alphabet_9terminals_1__get__(PyObject *__pyx_v_self); /*proto*/
+static PyObject *__pyx_pw_3_sa_8Alphabet_9terminals_1__get__(PyObject *__pyx_v_self) {
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-  __pyx_r = __pyx_pf_8_cdec_sa_8Alphabet_9terminals___get__(((struct __pyx_obj_8_cdec_sa_Alphabet *)__pyx_v_self));
+  __pyx_r = __pyx_pf_3_sa_8Alphabet_9terminals___get__(((struct __pyx_obj_3_sa_Alphabet *)__pyx_v_self));
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@@ -21292,7 +21573,7 @@ static PyObject *__pyx_pw_8_cdec_sa_8Alphabet_9terminals_1__get__(PyObject *__py
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  */
 
-static PyObject *__pyx_pf_8_cdec_sa_8Alphabet_9terminals___get__(struct __pyx_obj_8_cdec_sa_Alphabet *__pyx_v_self) {
+static PyObject *__pyx_pf_3_sa_8Alphabet_9terminals___get__(struct __pyx_obj_3_sa_Alphabet *__pyx_v_self) {
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 }
 
 /* Python wrapper */
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-static PyObject *__pyx_pw_8_cdec_sa_8Alphabet_12nonterminals_1__get__(PyObject *__pyx_v_self) {
+static PyObject *__pyx_pw_3_sa_8Alphabet_12nonterminals_1__get__(PyObject *__pyx_v_self); /*proto*/
+static PyObject *__pyx_pw_3_sa_8Alphabet_12nonterminals_1__get__(PyObject *__pyx_v_self) {
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-  __pyx_r = __pyx_pf_8_cdec_sa_8Alphabet_12nonterminals___get__(((struct __pyx_obj_8_cdec_sa_Alphabet *)__pyx_v_self));
+  __pyx_r = __pyx_pf_3_sa_8Alphabet_12nonterminals___get__(((struct __pyx_obj_3_sa_Alphabet *)__pyx_v_self));
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 }
 
-static PyObject *__pyx_pf_8_cdec_sa_8Alphabet_12nonterminals___get__(struct __pyx_obj_8_cdec_sa_Alphabet *__pyx_v_self) {
+static PyObject *__pyx_pf_3_sa_8Alphabet_12nonterminals___get__(struct __pyx_obj_3_sa_Alphabet *__pyx_v_self) {
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 }
 
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-static PyObject *__pyx_pw_8_cdec_sa_3sym_tostring(PyObject *__pyx_self, PyObject *__pyx_arg_sym) {
-  int __pyx_v_sym;
-  PyObject *__pyx_r = 0;
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+ * 
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+ * 
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+static char *__pyx_f_3_sa_sym_tostring(int __pyx_v_sym) {
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-  __pyx_L3_error:;
-  __Pyx_AddTraceback("_cdec_sa.sym_tostring", __pyx_clineno, __pyx_lineno, __pyx_filename);
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+ * cdef char* sym_tocat(int sym):
+ */
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+}
+
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":92
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+static char *__pyx_f_3_sa_sym_tocat(int __pyx_v_sym) {
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+ */
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- * def sym_tostring(int sym):             # <<<<<<<<<<<<<<
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+ * cdef int sym_isvar(int sym):             # <<<<<<<<<<<<<<
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  * 
  */
 
-static PyObject *__pyx_pf_8_cdec_sa_2sym_tostring(CYTHON_UNUSED PyObject *__pyx_self, int __pyx_v_sym) {
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  * 
- * def sym_fromstring(bytes string, bint terminal):
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-  __Pyx_XDECREF(__pyx_r);
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-  __Pyx_GOTREF(((PyObject *)__pyx_t_1));
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   goto __pyx_L0;
 
-  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
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+}
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+static int __pyx_f_3_sa_sym_getindex(int __pyx_v_sym) {
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-  __pyx_r = NULL;
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+  __pyx_r = 0;
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+}
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-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":11
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-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":13
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+    __pyx_t_4 = __pyx_f_3_sa_sym_isvar((__pyx_v_self->syms[__pyx_v_i]));
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-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":16
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":14
  *             self.syms[i] = words[i]
- *             if ALPHABET.isvar(self.syms[i]):
+ *             if sym_isvar(self.syms[i]):
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@@ -21749,8 +22003,8 @@ static int __pyx_pf_8_cdec_sa_6Phrase___cinit__(struct __pyx_obj_8_cdec_sa_Phras
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   }
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":17
- *             if ALPHABET.isvar(self.syms[i]):
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":15
+ *             if sym_isvar(self.syms[i]):
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  *         self.n = n             # <<<<<<<<<<<<<<
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@@ -21758,7 +22012,7 @@ static int __pyx_pf_8_cdec_sa_6Phrase___cinit__(struct __pyx_obj_8_cdec_sa_Phras
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-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":18
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":16
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  *         self.n = n
  *         self.n_vars = n_vars             # <<<<<<<<<<<<<<
@@ -21767,7 +22021,7 @@ static int __pyx_pf_8_cdec_sa_6Phrase___cinit__(struct __pyx_obj_8_cdec_sa_Phras
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-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":19
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":17
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@@ -21776,46 +22030,46 @@ static int __pyx_pf_8_cdec_sa_6Phrase___cinit__(struct __pyx_obj_8_cdec_sa_Phras
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-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":20
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":18
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  *         j = 0             # <<<<<<<<<<<<<<
  *         for i from 0 <= i < n:
- *             if ALPHABET.isvar(self.syms[i]):
+ *             if sym_isvar(self.syms[i]):
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-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":21
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":19
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  *         j = 0
  *         for i from 0 <= i < n:             # <<<<<<<<<<<<<<
- *             if ALPHABET.isvar(self.syms[i]):
+ *             if sym_isvar(self.syms[i]):
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-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":22
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":20
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- *             if ALPHABET.isvar(self.syms[i]):             # <<<<<<<<<<<<<<
+ *             if sym_isvar(self.syms[i]):             # <<<<<<<<<<<<<<
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+    __pyx_t_4 = __pyx_f_3_sa_sym_isvar((__pyx_v_self->syms[__pyx_v_i]));
     if (__pyx_t_4) {
 
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":23
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":21
  *         for i from 0 <= i < n:
- *             if ALPHABET.isvar(self.syms[i]):
+ *             if sym_isvar(self.syms[i]):
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-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":24
- *             if ALPHABET.isvar(self.syms[i]):
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":22
+ *             if sym_isvar(self.syms[i]):
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  *                 j = j + 1             # <<<<<<<<<<<<<<
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-  __Pyx_AddTraceback("_cdec_sa.Phrase.__cinit__", __pyx_clineno, __pyx_lineno, __pyx_filename);
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-static void __pyx_pw_8_cdec_sa_6Phrase_3__dealloc__(PyObject *__pyx_v_self) {
+static void __pyx_pw_3_sa_6Phrase_3__dealloc__(PyObject *__pyx_v_self); /*proto*/
+static void __pyx_pw_3_sa_6Phrase_3__dealloc__(PyObject *__pyx_v_self) {
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-  __pyx_pf_8_cdec_sa_6Phrase_2__dealloc__(((struct __pyx_obj_8_cdec_sa_Phrase *)__pyx_v_self));
+  __pyx_pf_3_sa_6Phrase_2__dealloc__(((struct __pyx_obj_3_sa_Phrase *)__pyx_v_self));
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-/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":26
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-static void __pyx_pf_8_cdec_sa_6Phrase_2__dealloc__(struct __pyx_obj_8_cdec_sa_Phrase *__pyx_v_self) {
+static void __pyx_pf_3_sa_6Phrase_2__dealloc__(struct __pyx_obj_3_sa_Phrase *__pyx_v_self) {
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-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":27
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-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":28
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":26
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-static PyObject *__pyx_pw_8_cdec_sa_6Phrase_5__str__(PyObject *__pyx_v_self) {
+static PyObject *__pyx_pw_3_sa_6Phrase_5__str__(PyObject *__pyx_v_self); /*proto*/
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-  __pyx_r = __pyx_pf_8_cdec_sa_6Phrase_4__str__(((struct __pyx_obj_8_cdec_sa_Phrase *)__pyx_v_self));
+  __pyx_r = __pyx_pf_3_sa_6Phrase_4__str__(((struct __pyx_obj_3_sa_Phrase *)__pyx_v_self));
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-/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":30
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-static PyObject *__pyx_pf_8_cdec_sa_6Phrase_4__str__(struct __pyx_obj_8_cdec_sa_Phrase *__pyx_v_self) {
+static PyObject *__pyx_pf_3_sa_6Phrase_4__str__(struct __pyx_obj_3_sa_Phrase *__pyx_v_self) {
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-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":31
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+  __pyx_t_1 = PyList_New(0); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[7]; __pyx_lineno = 29; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":33
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  *         for i from 0 <= i < self.n:             # <<<<<<<<<<<<<<
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-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":34
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  *             s = self.syms[i]             # <<<<<<<<<<<<<<
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-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":35
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":33
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- *             strs.append(ALPHABET.tostring(s))             # <<<<<<<<<<<<<<
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-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":36
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+  __pyx_t_4 = PyTuple_New(1); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[7]; __pyx_lineno = 34; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+  __pyx_t_5 = PyObject_Call(__pyx_t_1, ((PyObject *)__pyx_t_4), NULL); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[7]; __pyx_lineno = 34; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-  __Pyx_AddTraceback("_cdec_sa.Phrase.__str__", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_AddTraceback("_sa.Phrase.__str__", __pyx_clineno, __pyx_lineno, __pyx_filename);
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-/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":38
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-static PyObject *__pyx_pf_8_cdec_sa_6Phrase_6handle(struct __pyx_obj_8_cdec_sa_Phrase *__pyx_v_self) {
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-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":41
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-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":43
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-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":44
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   __pyx_v_j = 0;
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":45
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":43
  *         i = 1
  *         j = 0
  *         for j from 0 <= j < self.n:             # <<<<<<<<<<<<<<
  *             s = self.syms[j]
- *             if ALPHABET.isvar(s):
+ *             if sym_isvar(s):
  */
   __pyx_t_2 = __pyx_v_self->n;
   for (__pyx_v_j = 0; __pyx_v_j < __pyx_t_2; __pyx_v_j++) {
 
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":46
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":44
  *         j = 0
  *         for j from 0 <= j < self.n:
  *             s = self.syms[j]             # <<<<<<<<<<<<<<
- *             if ALPHABET.isvar(s):
- *                 s = ALPHABET.setindex(s,i)
+ *             if sym_isvar(s):
+ *                 s = sym_setindex(s,i)
  */
     __pyx_v_s = (__pyx_v_self->syms[__pyx_v_j]);
 
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":47
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":45
  *         for j from 0 <= j < self.n:
  *             s = self.syms[j]
- *             if ALPHABET.isvar(s):             # <<<<<<<<<<<<<<
- *                 s = ALPHABET.setindex(s,i)
+ *             if sym_isvar(s):             # <<<<<<<<<<<<<<
+ *                 s = sym_setindex(s,i)
  *                 i = i + 1
  */
-    __pyx_t_3 = ((struct __pyx_vtabstruct_8_cdec_sa_Alphabet *)__pyx_v_8_cdec_sa_ALPHABET->__pyx_vtab)->isvar(__pyx_v_8_cdec_sa_ALPHABET, __pyx_v_s);
+    __pyx_t_3 = __pyx_f_3_sa_sym_isvar(__pyx_v_s);
     if (__pyx_t_3) {
 
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":48
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":46
  *             s = self.syms[j]
- *             if ALPHABET.isvar(s):
- *                 s = ALPHABET.setindex(s,i)             # <<<<<<<<<<<<<<
+ *             if sym_isvar(s):
+ *                 s = sym_setindex(s,i)             # <<<<<<<<<<<<<<
  *                 i = i + 1
  *             norm.append(s)
  */
-      __pyx_v_s = ((struct __pyx_vtabstruct_8_cdec_sa_Alphabet *)__pyx_v_8_cdec_sa_ALPHABET->__pyx_vtab)->setindex(__pyx_v_8_cdec_sa_ALPHABET, __pyx_v_s, __pyx_v_i);
+      __pyx_v_s = __pyx_f_3_sa_sym_setindex(__pyx_v_s, __pyx_v_i);
 
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":49
- *             if ALPHABET.isvar(s):
- *                 s = ALPHABET.setindex(s,i)
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":47
+ *             if sym_isvar(s):
+ *                 s = sym_setindex(s,i)
  *                 i = i + 1             # <<<<<<<<<<<<<<
  *             norm.append(s)
  *         return tuple(norm)
@@ -22113,20 +22367,20 @@ static PyObject *__pyx_pf_8_cdec_sa_6Phrase_6handle(struct __pyx_obj_8_cdec_sa_P
     }
     __pyx_L5:;
 
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":50
- *                 s = ALPHABET.setindex(s,i)
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":48
+ *                 s = sym_setindex(s,i)
  *                 i = i + 1
  *             norm.append(s)             # <<<<<<<<<<<<<<
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  * 
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-    __pyx_t_1 = PyInt_FromLong(__pyx_v_s); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[7]; __pyx_lineno = 50; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_1 = PyInt_FromLong(__pyx_v_s); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[7]; __pyx_lineno = 48; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_1);
-    __pyx_t_4 = PyList_Append(__pyx_v_norm, __pyx_t_1); if (unlikely(__pyx_t_4 == -1)) {__pyx_filename = __pyx_f[7]; __pyx_lineno = 50; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_4 = PyList_Append(__pyx_v_norm, __pyx_t_1); if (unlikely(__pyx_t_4 == -1)) {__pyx_filename = __pyx_f[7]; __pyx_lineno = 48; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
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-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":51
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":49
  *                 i = i + 1
  *             norm.append(s)
  *         return tuple(norm)             # <<<<<<<<<<<<<<
@@ -22134,7 +22388,7 @@ static PyObject *__pyx_pf_8_cdec_sa_6Phrase_6handle(struct __pyx_obj_8_cdec_sa_P
  *     def strhandle(self):
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   __Pyx_XDECREF(__pyx_r);
-  __pyx_t_1 = ((PyObject *)PyList_AsTuple(__pyx_v_norm)); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[7]; __pyx_lineno = 51; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = ((PyObject *)PyList_AsTuple(__pyx_v_norm)); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[7]; __pyx_lineno = 49; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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@@ -22144,7 +22398,7 @@ static PyObject *__pyx_pf_8_cdec_sa_6Phrase_6handle(struct __pyx_obj_8_cdec_sa_P
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   __Pyx_XDECREF(__pyx_t_1);
-  __Pyx_AddTraceback("_cdec_sa.Phrase.handle", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_AddTraceback("_sa.Phrase.handle", __pyx_clineno, __pyx_lineno, __pyx_filename);
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@@ -22154,17 +22408,17 @@ static PyObject *__pyx_pf_8_cdec_sa_6Phrase_6handle(struct __pyx_obj_8_cdec_sa_P
 }
 
 /* Python wrapper */
-static PyObject *__pyx_pw_8_cdec_sa_6Phrase_9strhandle(PyObject *__pyx_v_self, CYTHON_UNUSED PyObject *unused); /*proto*/
-static PyObject *__pyx_pw_8_cdec_sa_6Phrase_9strhandle(PyObject *__pyx_v_self, CYTHON_UNUSED PyObject *unused) {
+static PyObject *__pyx_pw_3_sa_6Phrase_9strhandle(PyObject *__pyx_v_self, CYTHON_UNUSED PyObject *unused); /*proto*/
+static PyObject *__pyx_pw_3_sa_6Phrase_9strhandle(PyObject *__pyx_v_self, CYTHON_UNUSED PyObject *unused) {
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-  __pyx_r = __pyx_pf_8_cdec_sa_6Phrase_8strhandle(((struct __pyx_obj_8_cdec_sa_Phrase *)__pyx_v_self));
+  __pyx_r = __pyx_pf_3_sa_6Phrase_8strhandle(((struct __pyx_obj_3_sa_Phrase *)__pyx_v_self));
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 }
 
-/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":53
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":51
  *         return tuple(norm)
  * 
  *     def strhandle(self):             # <<<<<<<<<<<<<<
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  */
 
-static PyObject *__pyx_pf_8_cdec_sa_6Phrase_8strhandle(struct __pyx_obj_8_cdec_sa_Phrase *__pyx_v_self) {
+static PyObject *__pyx_pf_3_sa_6Phrase_8strhandle(struct __pyx_obj_3_sa_Phrase *__pyx_v_self) {
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   int __pyx_v_i;
@@ -22191,31 +22445,31 @@ static PyObject *__pyx_pf_8_cdec_sa_6Phrase_8strhandle(struct __pyx_obj_8_cdec_s
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-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":54
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":52
  * 
  *     def strhandle(self):
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  *         norm = []
  *         cdef int i, j, s
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-  __pyx_t_1 = PyList_New(0); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[7]; __pyx_lineno = 54; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = PyList_New(0); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[7]; __pyx_lineno = 52; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":55
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":53
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  *         cdef int i, j, s
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-  __pyx_t_1 = PyList_New(0); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[7]; __pyx_lineno = 55; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = PyList_New(0); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[7]; __pyx_lineno = 53; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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   __pyx_v_norm = __pyx_t_1;
   __pyx_t_1 = 0;
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":57
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":55
  *         norm = []
  *         cdef int i, j, s
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@@ -22224,7 +22478,7 @@ static PyObject *__pyx_pf_8_cdec_sa_6Phrase_8strhandle(struct __pyx_obj_8_cdec_s
  */
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-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":58
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":56
  *         cdef int i, j, s
  *         i = 1
  *         j = 0             # <<<<<<<<<<<<<<
@@ -22233,49 +22487,49 @@ static PyObject *__pyx_pf_8_cdec_sa_6Phrase_8strhandle(struct __pyx_obj_8_cdec_s
  */
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-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":59
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":57
  *         i = 1
  *         j = 0
  *         for j from 0 <= j < self.n:             # <<<<<<<<<<<<<<
  *             s = self.syms[j]
- *             if ALPHABET.isvar(s):
+ *             if sym_isvar(s):
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   __pyx_t_2 = __pyx_v_self->n;
   for (__pyx_v_j = 0; __pyx_v_j < __pyx_t_2; __pyx_v_j++) {
 
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":60
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":58
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  *         for j from 0 <= j < self.n:
  *             s = self.syms[j]             # <<<<<<<<<<<<<<
- *             if ALPHABET.isvar(s):
- *                 s = ALPHABET.setindex(s,i)
+ *             if sym_isvar(s):
+ *                 s = sym_setindex(s,i)
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     __pyx_v_s = (__pyx_v_self->syms[__pyx_v_j]);
 
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":61
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":59
  *         for j from 0 <= j < self.n:
  *             s = self.syms[j]
- *             if ALPHABET.isvar(s):             # <<<<<<<<<<<<<<
- *                 s = ALPHABET.setindex(s,i)
+ *             if sym_isvar(s):             # <<<<<<<<<<<<<<
+ *                 s = sym_setindex(s,i)
  *                 i = i + 1
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-    __pyx_t_3 = ((struct __pyx_vtabstruct_8_cdec_sa_Alphabet *)__pyx_v_8_cdec_sa_ALPHABET->__pyx_vtab)->isvar(__pyx_v_8_cdec_sa_ALPHABET, __pyx_v_s);
+    __pyx_t_3 = __pyx_f_3_sa_sym_isvar(__pyx_v_s);
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-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":62
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":60
  *             s = self.syms[j]
- *             if ALPHABET.isvar(s):
- *                 s = ALPHABET.setindex(s,i)             # <<<<<<<<<<<<<<
+ *             if sym_isvar(s):
+ *                 s = sym_setindex(s,i)             # <<<<<<<<<<<<<<
  *                 i = i + 1
- *             norm.append(ALPHABET.tostring(s))
+ *             norm.append(sym_tostring(s))
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+      __pyx_v_s = __pyx_f_3_sa_sym_setindex(__pyx_v_s, __pyx_v_i);
 
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":63
- *             if ALPHABET.isvar(s):
- *                 s = ALPHABET.setindex(s,i)
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":61
+ *             if sym_isvar(s):
+ *                 s = sym_setindex(s,i)
  *                 i = i + 1             # <<<<<<<<<<<<<<
- *             norm.append(ALPHABET.tostring(s))
+ *             norm.append(sym_tostring(s))
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@@ -22283,35 +22537,35 @@ static PyObject *__pyx_pf_8_cdec_sa_6Phrase_8strhandle(struct __pyx_obj_8_cdec_s
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-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":64
- *                 s = ALPHABET.setindex(s,i)
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":62
+ *                 s = sym_setindex(s,i)
  *                 i = i + 1
- *             norm.append(ALPHABET.tostring(s))             # <<<<<<<<<<<<<<
+ *             norm.append(sym_tostring(s))             # <<<<<<<<<<<<<<
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+    __pyx_t_1 = PyBytes_FromString(__pyx_f_3_sa_sym_tostring(__pyx_v_s)); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[7]; __pyx_lineno = 62; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+    __pyx_t_4 = PyList_Append(__pyx_v_norm, ((PyObject *)__pyx_t_1)); if (unlikely(__pyx_t_4 == -1)) {__pyx_filename = __pyx_f[7]; __pyx_lineno = 62; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":65
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":63
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- *             norm.append(ALPHABET.tostring(s))
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+  __pyx_t_5 = PyTuple_New(1); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[7]; __pyx_lineno = 63; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+  __pyx_t_6 = PyObject_Call(__pyx_t_1, ((PyObject *)__pyx_t_5), NULL); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[7]; __pyx_lineno = 63; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-  __Pyx_AddTraceback("_cdec_sa.Phrase.strhandle", __pyx_clineno, __pyx_lineno, __pyx_filename);
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-static PyObject *__pyx_pw_8_cdec_sa_6Phrase_11arity(PyObject *__pyx_v_self, CYTHON_UNUSED PyObject *unused) {
+static PyObject *__pyx_pw_3_sa_6Phrase_11arity(PyObject *__pyx_v_self, CYTHON_UNUSED PyObject *unused); /*proto*/
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+  __pyx_r = __pyx_pf_3_sa_6Phrase_10arity(((struct __pyx_obj_3_sa_Phrase *)__pyx_v_self));
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-/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":67
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-/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":88
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":86
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  *     cdef int chunklen(self, int k):             # <<<<<<<<<<<<<<
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-static int __pyx_f_8_cdec_sa_6Phrase_chunklen(struct __pyx_obj_8_cdec_sa_Phrase *__pyx_v_self, int __pyx_v_k) {
+int __pyx_f_3_sa_6Phrase_chunklen(struct __pyx_obj_3_sa_Phrase *__pyx_v_self, int __pyx_v_k) {
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-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":89
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":87
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-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":90
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":88
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@@ -22670,7 +22924,7 @@ static int __pyx_f_8_cdec_sa_6Phrase_chunklen(struct __pyx_obj_8_cdec_sa_Phrase
     goto __pyx_L3;
   }
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":91
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":89
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  *             return self.n
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@@ -22680,7 +22934,7 @@ static int __pyx_f_8_cdec_sa_6Phrase_chunklen(struct __pyx_obj_8_cdec_sa_Phrase
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-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":92
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":90
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@@ -22692,7 +22946,7 @@ static int __pyx_f_8_cdec_sa_6Phrase_chunklen(struct __pyx_obj_8_cdec_sa_Phrase
     goto __pyx_L3;
   }
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":93
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":91
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-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":94
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":92
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@@ -22715,7 +22969,7 @@ static int __pyx_f_8_cdec_sa_6Phrase_chunklen(struct __pyx_obj_8_cdec_sa_Phrase
   }
   /*else*/ {
 
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":96
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":94
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  *         else:
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@@ -22734,17 +22988,17 @@ static int __pyx_f_8_cdec_sa_6Phrase_chunklen(struct __pyx_obj_8_cdec_sa_Phrase
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-static PyObject *__pyx_pw_8_cdec_sa_6Phrase_17clen(PyObject *__pyx_v_self, PyObject *__pyx_v_k) {
+static PyObject *__pyx_pw_3_sa_6Phrase_17clen(PyObject *__pyx_v_self, PyObject *__pyx_v_k); /*proto*/
+static PyObject *__pyx_pw_3_sa_6Phrase_17clen(PyObject *__pyx_v_self, PyObject *__pyx_v_k) {
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+  __pyx_r = __pyx_pf_3_sa_6Phrase_16clen(((struct __pyx_obj_3_sa_Phrase *)__pyx_v_self), ((PyObject *)__pyx_v_k));
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-/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":98
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+static PyObject *__pyx_pf_3_sa_6Phrase_16clen(struct __pyx_obj_3_sa_Phrase *__pyx_v_self, PyObject *__pyx_v_k) {
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-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":99
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@@ -22770,8 +23024,8 @@ static PyObject *__pyx_pf_8_cdec_sa_6Phrase_16clen(struct __pyx_obj_8_cdec_sa_Ph
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-  __pyx_t_2 = PyInt_FromLong(((struct __pyx_vtabstruct_8_cdec_sa_Phrase *)__pyx_v_self->__pyx_vtab)->chunklen(__pyx_v_self, __pyx_t_1)); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[7]; __pyx_lineno = 99; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = __Pyx_PyInt_AsInt(__pyx_v_k); if (unlikely((__pyx_t_1 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[7]; __pyx_lineno = 97; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_2 = PyInt_FromLong(((struct __pyx_vtabstruct_3_sa_Phrase *)__pyx_v_self->__pyx_vtab)->chunklen(__pyx_v_self, __pyx_t_1)); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[7]; __pyx_lineno = 97; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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@@ -22781,7 +23035,7 @@ static PyObject *__pyx_pf_8_cdec_sa_6Phrase_16clen(struct __pyx_obj_8_cdec_sa_Ph
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-  __Pyx_AddTraceback("_cdec_sa.Phrase.clen", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_AddTraceback("_sa.Phrase.clen", __pyx_clineno, __pyx_lineno, __pyx_filename);
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 /* Python wrapper */
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-static PyObject *__pyx_pw_8_cdec_sa_6Phrase_19getchunk(PyObject *__pyx_v_self, PyObject *__pyx_v_ci) {
+static PyObject *__pyx_pw_3_sa_6Phrase_19getchunk(PyObject *__pyx_v_self, PyObject *__pyx_v_ci); /*proto*/
+static PyObject *__pyx_pw_3_sa_6Phrase_19getchunk(PyObject *__pyx_v_self, PyObject *__pyx_v_ci) {
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+  __pyx_r = __pyx_pf_3_sa_6Phrase_18getchunk(((struct __pyx_obj_3_sa_Phrase *)__pyx_v_self), ((PyObject *)__pyx_v_ci));
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-/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":101
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-static PyObject *__pyx_pf_8_cdec_sa_6Phrase_18getchunk(struct __pyx_obj_8_cdec_sa_Phrase *__pyx_v_self, PyObject *__pyx_v_ci) {
+static PyObject *__pyx_pf_3_sa_6Phrase_18getchunk(struct __pyx_obj_3_sa_Phrase *__pyx_v_self, PyObject *__pyx_v_ci) {
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-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":103
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+  __pyx_t_1 = __Pyx_PyInt_AsInt(__pyx_v_ci); if (unlikely((__pyx_t_1 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[7]; __pyx_lineno = 101; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":104
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":102
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-  __pyx_v_stop = (__pyx_v_start + ((struct __pyx_vtabstruct_8_cdec_sa_Phrase *)__pyx_v_self->__pyx_vtab)->chunklen(__pyx_v_self, __pyx_t_1));
+  __pyx_t_1 = __Pyx_PyInt_AsInt(__pyx_v_ci); if (unlikely((__pyx_t_1 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[7]; __pyx_lineno = 102; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":105
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+  __pyx_t_2 = PyList_New(0); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[7]; __pyx_lineno = 103; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":106
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-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":107
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":105
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-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":108
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":106
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-  __Pyx_AddTraceback("_cdec_sa.Phrase.getchunk", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_AddTraceback("_sa.Phrase.getchunk", __pyx_clineno, __pyx_lineno, __pyx_filename);
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-static int __pyx_pw_8_cdec_sa_6Phrase_21__cmp__(PyObject *__pyx_v_self, PyObject *__pyx_v_other) {
+static int __pyx_pw_3_sa_6Phrase_21__cmp__(PyObject *__pyx_v_self, PyObject *__pyx_v_other); /*proto*/
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+  __pyx_r = __pyx_pf_3_sa_6Phrase_20__cmp__(((struct __pyx_obj_3_sa_Phrase *)__pyx_v_self), ((PyObject *)__pyx_v_other));
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-/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":110
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+static int __pyx_pf_3_sa_6Phrase_20__cmp__(struct __pyx_obj_3_sa_Phrase *__pyx_v_self, PyObject *__pyx_v_other) {
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-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":113
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-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":114
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@@ -22967,7 +23221,7 @@ static int __pyx_pf_8_cdec_sa_6Phrase_20__cmp__(struct __pyx_obj_8_cdec_sa_Phras
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-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":115
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":113
  *         otherp = other
  *         for i from 0 <= i < min(self.n, otherp.n):
  *             if self.syms[i] < otherp.syms[i]:             # <<<<<<<<<<<<<<
@@ -22977,7 +23231,7 @@ static int __pyx_pf_8_cdec_sa_6Phrase_20__cmp__(struct __pyx_obj_8_cdec_sa_Phras
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     if (__pyx_t_4) {
 
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":116
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":114
  *         for i from 0 <= i < min(self.n, otherp.n):
  *             if self.syms[i] < otherp.syms[i]:
  *                 return -1             # <<<<<<<<<<<<<<
@@ -22989,7 +23243,7 @@ static int __pyx_pf_8_cdec_sa_6Phrase_20__cmp__(struct __pyx_obj_8_cdec_sa_Phras
       goto __pyx_L5;
     }
 
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":117
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":115
  *             if self.syms[i] < otherp.syms[i]:
  *                 return -1
  *             elif self.syms[i] > otherp.syms[i]:             # <<<<<<<<<<<<<<
@@ -22999,7 +23253,7 @@ static int __pyx_pf_8_cdec_sa_6Phrase_20__cmp__(struct __pyx_obj_8_cdec_sa_Phras
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     if (__pyx_t_4) {
 
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":118
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":116
  *                 return -1
  *             elif self.syms[i] > otherp.syms[i]:
  *                 return 1             # <<<<<<<<<<<<<<
@@ -23013,7 +23267,7 @@ static int __pyx_pf_8_cdec_sa_6Phrase_20__cmp__(struct __pyx_obj_8_cdec_sa_Phras
     __pyx_L5:;
   }
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":119
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":117
  *             elif self.syms[i] > otherp.syms[i]:
  *                 return 1
  *         if self.n < otherp.n:             # <<<<<<<<<<<<<<
@@ -23023,7 +23277,7 @@ static int __pyx_pf_8_cdec_sa_6Phrase_20__cmp__(struct __pyx_obj_8_cdec_sa_Phras
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   if (__pyx_t_4) {
 
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":120
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":118
  *                 return 1
  *         if self.n < otherp.n:
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@@ -23035,7 +23289,7 @@ static int __pyx_pf_8_cdec_sa_6Phrase_20__cmp__(struct __pyx_obj_8_cdec_sa_Phras
     goto __pyx_L6;
   }
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":121
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":119
  *         if self.n < otherp.n:
  *             return -1
  *         elif self.n > otherp.n:             # <<<<<<<<<<<<<<
@@ -23045,7 +23299,7 @@ static int __pyx_pf_8_cdec_sa_6Phrase_20__cmp__(struct __pyx_obj_8_cdec_sa_Phras
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   if (__pyx_t_4) {
 
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":122
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":120
  *             return -1
  *         elif self.n > otherp.n:
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@@ -23058,7 +23312,7 @@ static int __pyx_pf_8_cdec_sa_6Phrase_20__cmp__(struct __pyx_obj_8_cdec_sa_Phras
   }
   /*else*/ {
 
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":124
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":122
  *             return 1
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  *             return 0             # <<<<<<<<<<<<<<
@@ -23073,7 +23327,7 @@ static int __pyx_pf_8_cdec_sa_6Phrase_20__cmp__(struct __pyx_obj_8_cdec_sa_Phras
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   __pyx_L1_error:;
-  __Pyx_AddTraceback("_cdec_sa.Phrase.__cmp__", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_AddTraceback("_sa.Phrase.__cmp__", __pyx_clineno, __pyx_lineno, __pyx_filename);
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-static Py_hash_t __pyx_pw_8_cdec_sa_6Phrase_23__hash__(PyObject *__pyx_v_self) {
+static Py_hash_t __pyx_pw_3_sa_6Phrase_23__hash__(PyObject *__pyx_v_self); /*proto*/
+static Py_hash_t __pyx_pw_3_sa_6Phrase_23__hash__(PyObject *__pyx_v_self) {
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-  __pyx_r = __pyx_pf_8_cdec_sa_6Phrase_22__hash__(((struct __pyx_obj_8_cdec_sa_Phrase *)__pyx_v_self));
+  __pyx_r = __pyx_pf_3_sa_6Phrase_22__hash__(((struct __pyx_obj_3_sa_Phrase *)__pyx_v_self));
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-/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":126
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  * 
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-static Py_hash_t __pyx_pf_8_cdec_sa_6Phrase_22__hash__(struct __pyx_obj_8_cdec_sa_Phrase *__pyx_v_self) {
+static Py_hash_t __pyx_pf_3_sa_6Phrase_22__hash__(struct __pyx_obj_3_sa_Phrase *__pyx_v_self) {
   int __pyx_v_i;
   unsigned int __pyx_v_h;
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@@ -23110,7 +23364,7 @@ static Py_hash_t __pyx_pf_8_cdec_sa_6Phrase_22__hash__(struct __pyx_obj_8_cdec_s
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-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":129
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  *         cdef int i
  *         cdef unsigned h
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   __pyx_v_h = 0;
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":130
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":128
  *         cdef unsigned h
  *         h = 0
  *         for i from 0 <= i < self.n:             # <<<<<<<<<<<<<<
@@ -23129,7 +23383,7 @@ static Py_hash_t __pyx_pf_8_cdec_sa_6Phrase_22__hash__(struct __pyx_obj_8_cdec_s
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-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":131
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":129
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@@ -23139,7 +23393,7 @@ static Py_hash_t __pyx_pf_8_cdec_sa_6Phrase_22__hash__(struct __pyx_obj_8_cdec_s
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     if (__pyx_t_2) {
 
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":132
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":130
  *         for i from 0 <= i < self.n:
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@@ -23151,7 +23405,7 @@ static Py_hash_t __pyx_pf_8_cdec_sa_6Phrase_22__hash__(struct __pyx_obj_8_cdec_s
     }
     /*else*/ {
 
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":134
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":132
  *                 h = (h << 1) + self.syms[i]
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-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":135
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":133
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-static Py_ssize_t __pyx_pw_8_cdec_sa_6Phrase_25__len__(PyObject *__pyx_v_self) {
+static Py_ssize_t __pyx_pw_3_sa_6Phrase_25__len__(PyObject *__pyx_v_self); /*proto*/
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-/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":137
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-static Py_ssize_t __pyx_pf_8_cdec_sa_6Phrase_24__len__(struct __pyx_obj_8_cdec_sa_Phrase *__pyx_v_self) {
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-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":138
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-static PyObject *__pyx_pw_8_cdec_sa_6Phrase_27__getitem__(PyObject *__pyx_v_self, PyObject *__pyx_v_i) {
+static PyObject *__pyx_pw_3_sa_6Phrase_27__getitem__(PyObject *__pyx_v_self, PyObject *__pyx_v_i); /*proto*/
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-/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":140
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+static PyObject *__pyx_pf_3_sa_6Phrase_26__getitem__(struct __pyx_obj_3_sa_Phrase *__pyx_v_self, PyObject *__pyx_v_i) {
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-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":141
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+  __pyx_t_1 = __Pyx_PyIndex_AsSsize_t(__pyx_v_i); if (unlikely((__pyx_t_1 == (Py_ssize_t)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[7]; __pyx_lineno = 139; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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 /* Python wrapper */
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+  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
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-  struct __pyx_obj_8_cdec_sa_Phrase *__pyx_v_f = 0;
-  struct __pyx_obj_8_cdec_sa_Phrase *__pyx_v_e = 0;
+  struct __pyx_obj_3_sa_Phrase *__pyx_v_f = 0;
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-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":167
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-        values[0] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__lhs);
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-        if (likely(values[1])) kw_args--;
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-          __Pyx_RaiseArgtupleInvalid("__cinit__", 0, 3, 5, 1); {__pyx_filename = __pyx_f[7]; __pyx_lineno = 166; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+          __Pyx_RaiseArgtupleInvalid("__cinit__", 0, 3, 5, 1); {__pyx_filename = __pyx_f[7]; __pyx_lineno = 161; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
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-        values[2] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__e);
-        if (likely(values[2])) kw_args--;
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-          __Pyx_RaiseArgtupleInvalid("__cinit__", 0, 3, 5, 2); {__pyx_filename = __pyx_f[7]; __pyx_lineno = 166; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+          __Pyx_RaiseArgtupleInvalid("__cinit__", 0, 3, 5, 2); {__pyx_filename = __pyx_f[7]; __pyx_lineno = 161; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
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@@ -23607,7 +23995,7 @@ static int __pyx_pw_8_cdec_sa_4Rule_1__cinit__(PyObject *__pyx_v_self, PyObject
         }
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       if (unlikely(kw_args > 0)) {
-        if (unlikely(__Pyx_ParseOptionalKeywords(__pyx_kwds, __pyx_pyargnames, 0, values, pos_args, "__cinit__") < 0)) {__pyx_filename = __pyx_f[7]; __pyx_lineno = 166; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+        if (unlikely(__Pyx_ParseOptionalKeywords(__pyx_kwds, __pyx_pyargnames, 0, values, pos_args, "__cinit__") < 0)) {__pyx_filename = __pyx_f[7]; __pyx_lineno = 161; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
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@@ -23620,23 +24008,23 @@ static int __pyx_pw_8_cdec_sa_4Rule_1__cinit__(PyObject *__pyx_v_self, PyObject
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-    __pyx_v_f = ((struct __pyx_obj_8_cdec_sa_Phrase *)values[1]);
-    __pyx_v_e = ((struct __pyx_obj_8_cdec_sa_Phrase *)values[2]);
+    __pyx_v_lhs = __Pyx_PyInt_AsInt(values[0]); if (unlikely((__pyx_v_lhs == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[7]; __pyx_lineno = 161; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+    __pyx_v_f = ((struct __pyx_obj_3_sa_Phrase *)values[1]);
+    __pyx_v_e = ((struct __pyx_obj_3_sa_Phrase *)values[2]);
     __pyx_v_scores = values[3];
     __pyx_v_word_alignments = values[4];
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+  __Pyx_RaiseArgtupleInvalid("__cinit__", 0, 3, 5, PyTuple_GET_SIZE(__pyx_args)); {__pyx_filename = __pyx_f[7]; __pyx_lineno = 161; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
   __pyx_L3_error:;
-  __Pyx_AddTraceback("_cdec_sa.Rule.__cinit__", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_AddTraceback("_sa.Rule.__cinit__", __pyx_clineno, __pyx_lineno, __pyx_filename);
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-  if (unlikely(!__Pyx_ArgTypeTest(((PyObject *)__pyx_v_e), __pyx_ptype_8_cdec_sa_Phrase, 1, "e", 0))) {__pyx_filename = __pyx_f[7]; __pyx_lineno = 166; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+  if (unlikely(!__Pyx_ArgTypeTest(((PyObject *)__pyx_v_f), __pyx_ptype_3_sa_Phrase, 1, "f", 0))) {__pyx_filename = __pyx_f[7]; __pyx_lineno = 161; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (unlikely(!__Pyx_ArgTypeTest(((PyObject *)__pyx_v_e), __pyx_ptype_3_sa_Phrase, 1, "e", 0))) {__pyx_filename = __pyx_f[7]; __pyx_lineno = 161; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_r = __pyx_pf_3_sa_4Rule___cinit__(((struct __pyx_obj_3_sa_Rule *)__pyx_v_self), __pyx_v_lhs, __pyx_v_f, __pyx_v_e, __pyx_v_scores, __pyx_v_word_alignments);
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@@ -23645,15 +24033,15 @@ static int __pyx_pw_8_cdec_sa_4Rule_1__cinit__(PyObject *__pyx_v_self, PyObject
   return __pyx_r;
 }
 
-/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":166
- *     cdef public word_alignments
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":161
+ * cdef class Rule:
  * 
  *     def __cinit__(self, int lhs, Phrase f, Phrase e,             # <<<<<<<<<<<<<<
  *             scores=None, word_alignments=None):
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-static int __pyx_pf_8_cdec_sa_4Rule___cinit__(struct __pyx_obj_8_cdec_sa_Rule *__pyx_v_self, int __pyx_v_lhs, struct __pyx_obj_8_cdec_sa_Phrase *__pyx_v_f, struct __pyx_obj_8_cdec_sa_Phrase *__pyx_v_e, PyObject *__pyx_v_scores, PyObject *__pyx_v_word_alignments) {
+static int __pyx_pf_3_sa_4Rule___cinit__(struct __pyx_obj_3_sa_Rule *__pyx_v_self, int __pyx_v_lhs, struct __pyx_obj_3_sa_Phrase *__pyx_v_f, struct __pyx_obj_3_sa_Phrase *__pyx_v_e, PyObject *__pyx_v_scores, PyObject *__pyx_v_word_alignments) {
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   int __pyx_v_n;
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-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":171
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":166
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- *         if not ALPHABET.isvar(lhs):             # <<<<<<<<<<<<<<
+ *         if not sym_isvar(lhs):             # <<<<<<<<<<<<<<
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  * 
  */
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+  __pyx_t_1 = (!__pyx_f_3_sa_sym_isvar(__pyx_v_lhs));
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-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":172
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":167
  * 
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+    __pyx_t_3 = PyObject_Call(__pyx_builtin_Exception, ((PyObject *)__pyx_t_2), NULL); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[7]; __pyx_lineno = 167; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-    {__pyx_filename = __pyx_f[7]; __pyx_lineno = 172; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    {__pyx_filename = __pyx_f[7]; __pyx_lineno = 167; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":174
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":169
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-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":175
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":170
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-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":176
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":171
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   __pyx_v_self->e = __pyx_v_e;
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":178
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":173
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-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":179
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":174
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-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":180
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  */
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-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":181
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":176
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@@ -23785,17 +24173,17 @@ static int __pyx_pf_8_cdec_sa_4Rule___cinit__(struct __pyx_obj_8_cdec_sa_Rule *_
   }
   /*else*/ {
 
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":183
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":178
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+    __pyx_t_4 = PyObject_Length(__pyx_v_scores); if (unlikely(__pyx_t_4 == -1)) {__pyx_filename = __pyx_f[7]; __pyx_lineno = 178; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":184
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":179
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  *             self.cscores = <float *>malloc(n*sizeof(float))             # <<<<<<<<<<<<<<
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-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":185
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":180
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     __pyx_v_self->n_scores = __pyx_v_n;
 
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":186
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":181
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  *             self.n_scores = n
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-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":187
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":182
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+      __pyx_t_3 = __Pyx_GetItemInt(__pyx_v_scores, __pyx_v_i, sizeof(int), PyInt_FromLong); if (!__pyx_t_3) {__pyx_filename = __pyx_f[7]; __pyx_lineno = 182; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+      __pyx_t_6 = __pyx_PyFloat_AsFloat(__pyx_t_3); if (unlikely((__pyx_t_6 == (float)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[7]; __pyx_lineno = 182; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+  __Pyx_AddTraceback("_sa.Rule.__cinit__", __pyx_clineno, __pyx_lineno, __pyx_filename);
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@@ -23852,15 +24240,15 @@ static int __pyx_pf_8_cdec_sa_4Rule___cinit__(struct __pyx_obj_8_cdec_sa_Rule *_
 }
 
 /* Python wrapper */
-static void __pyx_pw_8_cdec_sa_4Rule_3__dealloc__(PyObject *__pyx_v_self); /*proto*/
-static void __pyx_pw_8_cdec_sa_4Rule_3__dealloc__(PyObject *__pyx_v_self) {
+static void __pyx_pw_3_sa_4Rule_3__dealloc__(PyObject *__pyx_v_self); /*proto*/
+static void __pyx_pw_3_sa_4Rule_3__dealloc__(PyObject *__pyx_v_self) {
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-  __pyx_pf_8_cdec_sa_4Rule_2__dealloc__(((struct __pyx_obj_8_cdec_sa_Rule *)__pyx_v_self));
+  __pyx_pf_3_sa_4Rule_2__dealloc__(((struct __pyx_obj_3_sa_Rule *)__pyx_v_self));
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-static void __pyx_pf_8_cdec_sa_4Rule_2__dealloc__(struct __pyx_obj_8_cdec_sa_Rule *__pyx_v_self) {
+static void __pyx_pf_3_sa_4Rule_2__dealloc__(struct __pyx_obj_3_sa_Rule *__pyx_v_self) {
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-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":190
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  *     def __dealloc__(self):
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-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":191
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":186
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 }
 
 /* Python wrapper */
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-static Py_hash_t __pyx_pw_8_cdec_sa_4Rule_5__hash__(PyObject *__pyx_v_self) {
+static Py_hash_t __pyx_pw_3_sa_4Rule_5__hash__(PyObject *__pyx_v_self); /*proto*/
+static Py_hash_t __pyx_pw_3_sa_4Rule_5__hash__(PyObject *__pyx_v_self) {
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-  __pyx_r = __pyx_pf_8_cdec_sa_4Rule_4__hash__(((struct __pyx_obj_8_cdec_sa_Rule *)__pyx_v_self));
+  __pyx_r = __pyx_pf_3_sa_4Rule_4__hash__(((struct __pyx_obj_3_sa_Rule *)__pyx_v_self));
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-static Py_hash_t __pyx_pf_8_cdec_sa_4Rule_4__hash__(struct __pyx_obj_8_cdec_sa_Rule *__pyx_v_self) {
+static Py_hash_t __pyx_pf_3_sa_4Rule_4__hash__(struct __pyx_obj_3_sa_Rule *__pyx_v_self) {
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-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":194
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":189
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+  __pyx_t_1 = PyInt_FromLong(__pyx_v_self->lhs); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[7]; __pyx_lineno = 189; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_1);
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+  __pyx_t_2 = PyTuple_New(3); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[7]; __pyx_lineno = 189; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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   __Pyx_GIVEREF(((PyObject *)__pyx_v_self->e));
   __pyx_t_1 = 0;
-  __pyx_t_3 = PyObject_Hash(((PyObject *)__pyx_t_2)); if (unlikely(__pyx_t_3 == -1)) {__pyx_filename = __pyx_f[7]; __pyx_lineno = 194; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_3 = PyObject_Hash(((PyObject *)__pyx_t_2)); if (unlikely(__pyx_t_3 == -1)) {__pyx_filename = __pyx_f[7]; __pyx_lineno = 189; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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   __Pyx_XDECREF(__pyx_t_2);
-  __Pyx_AddTraceback("_cdec_sa.Rule.__hash__", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_AddTraceback("_sa.Rule.__hash__", __pyx_clineno, __pyx_lineno, __pyx_filename);
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@@ -23968,13 +24356,13 @@ static Py_hash_t __pyx_pf_8_cdec_sa_4Rule_4__hash__(struct __pyx_obj_8_cdec_sa_R
 
 /* Python wrapper */
 #if PY_MAJOR_VERSION < 3
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-static int __pyx_pw_8_cdec_sa_4Rule_7__cmp__(PyObject *__pyx_v_self, PyObject *__pyx_v_other) {
+static int __pyx_pw_3_sa_4Rule_7__cmp__(PyObject *__pyx_v_self, PyObject *__pyx_v_other); /*proto*/
+static int __pyx_pw_3_sa_4Rule_7__cmp__(PyObject *__pyx_v_self, PyObject *__pyx_v_other) {
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-  __pyx_r = __pyx_pf_8_cdec_sa_4Rule_6__cmp__(((struct __pyx_obj_8_cdec_sa_Rule *)__pyx_v_self), ((struct __pyx_obj_8_cdec_sa_Rule *)__pyx_v_other));
+  if (unlikely(!__Pyx_ArgTypeTest(((PyObject *)__pyx_v_other), __pyx_ptype_3_sa_Rule, 1, "other", 0))) {__pyx_filename = __pyx_f[7]; __pyx_lineno = 191; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_r = __pyx_pf_3_sa_4Rule_6__cmp__(((struct __pyx_obj_3_sa_Rule *)__pyx_v_self), ((struct __pyx_obj_3_sa_Rule *)__pyx_v_other));
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 }
 #endif /*!(#if PY_MAJOR_VERSION < 3)*/
 
-/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":196
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+static int __pyx_pf_3_sa_4Rule_6__cmp__(struct __pyx_obj_3_sa_Rule *__pyx_v_self, struct __pyx_obj_3_sa_Rule *__pyx_v_other) {
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-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":197
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+  __pyx_t_1 = PyInt_FromLong(__pyx_v_self->lhs); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[7]; __pyx_lineno = 192; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+  __pyx_t_2 = PyTuple_New(4); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[7]; __pyx_lineno = 192; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":203
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-static PyObject *__pyx_pf_8_cdec_sa_4Rule_6scores___get__(struct __pyx_obj_8_cdec_sa_Rule *__pyx_v_self) {
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-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":230
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-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":236
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-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":239
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-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":240
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 /* Python wrapper */
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-static int __pyx_pw_8_cdec_sa_4Rule_3lhs_3__set__(PyObject *__pyx_v_self, PyObject *__pyx_v_value) {
+static int __pyx_pw_3_sa_4Rule_3lhs_3__set__(PyObject *__pyx_v_self, PyObject *__pyx_v_value); /*proto*/
+static int __pyx_pw_3_sa_4Rule_3lhs_3__set__(PyObject *__pyx_v_self, PyObject *__pyx_v_value) {
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+  __pyx_r = __pyx_pf_3_sa_4Rule_3lhs_2__set__(((struct __pyx_obj_3_sa_Rule *)__pyx_v_self), ((PyObject *)__pyx_v_value));
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+static int __pyx_pf_3_sa_4Rule_3lhs_2__set__(struct __pyx_obj_3_sa_Rule *__pyx_v_self, PyObject *__pyx_v_value) {
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@@ -24850,13 +25238,13 @@ static int __pyx_pf_8_cdec_sa_4Rule_3lhs_2__set__(struct __pyx_obj_8_cdec_sa_Rul
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+  __pyx_t_1 = __Pyx_PyInt_AsInt(__pyx_v_value); if (unlikely((__pyx_t_1 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 8; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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   __pyx_L1_error:;
-  __Pyx_AddTraceback("_cdec_sa.Rule.lhs.__set__", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_AddTraceback("_sa.Rule.lhs.__set__", __pyx_clineno, __pyx_lineno, __pyx_filename);
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 }
 
 /* Python wrapper */
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-static PyObject *__pyx_pw_8_cdec_sa_4Rule_1f_1__get__(PyObject *__pyx_v_self) {
+static PyObject *__pyx_pw_3_sa_4Rule_1f_1__get__(PyObject *__pyx_v_self); /*proto*/
+static PyObject *__pyx_pw_3_sa_4Rule_1f_1__get__(PyObject *__pyx_v_self) {
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-  __pyx_r = __pyx_pf_8_cdec_sa_4Rule_1f___get__(((struct __pyx_obj_8_cdec_sa_Rule *)__pyx_v_self));
+  __pyx_r = __pyx_pf_3_sa_4Rule_1f___get__(((struct __pyx_obj_3_sa_Rule *)__pyx_v_self));
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-/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":161
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  *     cdef readonly Phrase f, e             # <<<<<<<<<<<<<<
@@ -24882,7 +25270,7 @@ static PyObject *__pyx_pw_8_cdec_sa_4Rule_1f_1__get__(PyObject *__pyx_v_self) {
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  */
 
-static PyObject *__pyx_pf_8_cdec_sa_4Rule_1f___get__(struct __pyx_obj_8_cdec_sa_Rule *__pyx_v_self) {
+static PyObject *__pyx_pf_3_sa_4Rule_1f___get__(struct __pyx_obj_3_sa_Rule *__pyx_v_self) {
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@@ -24899,17 +25287,17 @@ static PyObject *__pyx_pf_8_cdec_sa_4Rule_1f___get__(struct __pyx_obj_8_cdec_sa_
 }
 
 /* Python wrapper */
-static PyObject *__pyx_pw_8_cdec_sa_4Rule_1e_1__get__(PyObject *__pyx_v_self); /*proto*/
-static PyObject *__pyx_pw_8_cdec_sa_4Rule_1e_1__get__(PyObject *__pyx_v_self) {
+static PyObject *__pyx_pw_3_sa_4Rule_1e_1__get__(PyObject *__pyx_v_self); /*proto*/
+static PyObject *__pyx_pw_3_sa_4Rule_1e_1__get__(PyObject *__pyx_v_self) {
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-  __pyx_r = __pyx_pf_8_cdec_sa_4Rule_1e___get__(((struct __pyx_obj_8_cdec_sa_Rule *)__pyx_v_self));
+  __pyx_r = __pyx_pf_3_sa_4Rule_1e___get__(((struct __pyx_obj_3_sa_Rule *)__pyx_v_self));
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 }
 
-static PyObject *__pyx_pf_8_cdec_sa_4Rule_1e___get__(struct __pyx_obj_8_cdec_sa_Rule *__pyx_v_self) {
+static PyObject *__pyx_pf_3_sa_4Rule_1e___get__(struct __pyx_obj_3_sa_Rule *__pyx_v_self) {
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@@ -24926,25 +25314,25 @@ static PyObject *__pyx_pf_8_cdec_sa_4Rule_1e___get__(struct __pyx_obj_8_cdec_sa_
 }
 
 /* Python wrapper */
-static PyObject *__pyx_pw_8_cdec_sa_4Rule_15word_alignments_1__get__(PyObject *__pyx_v_self); /*proto*/
-static PyObject *__pyx_pw_8_cdec_sa_4Rule_15word_alignments_1__get__(PyObject *__pyx_v_self) {
+static PyObject *__pyx_pw_3_sa_4Rule_15word_alignments_1__get__(PyObject *__pyx_v_self); /*proto*/
+static PyObject *__pyx_pw_3_sa_4Rule_15word_alignments_1__get__(PyObject *__pyx_v_self) {
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-  __pyx_r = __pyx_pf_8_cdec_sa_4Rule_15word_alignments___get__(((struct __pyx_obj_8_cdec_sa_Rule *)__pyx_v_self));
+  __pyx_r = __pyx_pf_3_sa_4Rule_15word_alignments___get__(((struct __pyx_obj_3_sa_Rule *)__pyx_v_self));
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-/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rule.pxi":164
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  *     cdef int n_scores
  *     cdef public word_alignments             # <<<<<<<<<<<<<<
  * 
- *     def __cinit__(self, int lhs, Phrase f, Phrase e,
+ * cdef char* sym_tostring(int sym)
  */
 
-static PyObject *__pyx_pf_8_cdec_sa_4Rule_15word_alignments___get__(struct __pyx_obj_8_cdec_sa_Rule *__pyx_v_self) {
+static PyObject *__pyx_pf_3_sa_4Rule_15word_alignments___get__(struct __pyx_obj_3_sa_Rule *__pyx_v_self) {
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 /* Python wrapper */
-static int __pyx_pw_8_cdec_sa_4Rule_15word_alignments_3__set__(PyObject *__pyx_v_self, PyObject *__pyx_v_value); /*proto*/
-static int __pyx_pw_8_cdec_sa_4Rule_15word_alignments_3__set__(PyObject *__pyx_v_self, PyObject *__pyx_v_value) {
+static int __pyx_pw_3_sa_4Rule_15word_alignments_3__set__(PyObject *__pyx_v_self, PyObject *__pyx_v_value); /*proto*/
+static int __pyx_pw_3_sa_4Rule_15word_alignments_3__set__(PyObject *__pyx_v_self, PyObject *__pyx_v_value) {
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+  __pyx_r = __pyx_pf_3_sa_4Rule_15word_alignments_2__set__(((struct __pyx_obj_3_sa_Rule *)__pyx_v_self), ((PyObject *)__pyx_v_value));
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-static int __pyx_pf_8_cdec_sa_4Rule_15word_alignments_2__set__(struct __pyx_obj_8_cdec_sa_Rule *__pyx_v_self, PyObject *__pyx_v_value) {
+static int __pyx_pf_3_sa_4Rule_15word_alignments_2__set__(struct __pyx_obj_3_sa_Rule *__pyx_v_self, PyObject *__pyx_v_value) {
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 /* Python wrapper */
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-static int __pyx_pw_8_cdec_sa_4Rule_15word_alignments_5__del__(PyObject *__pyx_v_self) {
+static int __pyx_pw_3_sa_4Rule_15word_alignments_5__del__(PyObject *__pyx_v_self); /*proto*/
+static int __pyx_pw_3_sa_4Rule_15word_alignments_5__del__(PyObject *__pyx_v_self) {
   int __pyx_r;
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-  __pyx_r = __pyx_pf_8_cdec_sa_4Rule_15word_alignments_4__del__(((struct __pyx_obj_8_cdec_sa_Rule *)__pyx_v_self));
+  __pyx_r = __pyx_pf_3_sa_4Rule_15word_alignments_4__del__(((struct __pyx_obj_3_sa_Rule *)__pyx_v_self));
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 }
 
-static int __pyx_pf_8_cdec_sa_4Rule_15word_alignments_4__del__(struct __pyx_obj_8_cdec_sa_Rule *__pyx_v_self) {
+static int __pyx_pf_3_sa_4Rule_15word_alignments_4__del__(struct __pyx_obj_3_sa_Rule *__pyx_v_self) {
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  */
 
-static struct __pyx_t_8_cdec_sa__Trie_Node *__pyx_f_8_cdec_sa_new_trie_node(void) {
-  struct __pyx_t_8_cdec_sa__Trie_Node *__pyx_v_node;
-  struct __pyx_t_8_cdec_sa__Trie_Node *__pyx_r;
+static struct __pyx_t_3_sa__Trie_Node *__pyx_f_3_sa_new_trie_node(void) {
+  struct __pyx_t_3_sa__Trie_Node *__pyx_v_node;
+  struct __pyx_t_3_sa__Trie_Node *__pyx_r;
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@@ -25033,7 +25421,7 @@ static struct __pyx_t_8_cdec_sa__Trie_Node *__pyx_f_8_cdec_sa_new_trie_node(void
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  *     node.arr_len = 0
  */
-  __pyx_v_node = ((struct __pyx_t_8_cdec_sa__Trie_Node *)malloc((sizeof(struct __pyx_t_8_cdec_sa__Trie_Node))));
+  __pyx_v_node = ((struct __pyx_t_3_sa__Trie_Node *)malloc((sizeof(struct __pyx_t_3_sa__Trie_Node))));
 
   /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":24
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@@ -25086,9 +25474,9 @@ static struct __pyx_t_8_cdec_sa__Trie_Node *__pyx_f_8_cdec_sa_new_trie_node(void
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-static struct __pyx_t_8_cdec_sa__Trie_Edge *__pyx_f_8_cdec_sa_new_trie_edge(int __pyx_v_val) {
-  struct __pyx_t_8_cdec_sa__Trie_Edge *__pyx_v_edge;
-  struct __pyx_t_8_cdec_sa__Trie_Edge *__pyx_r;
+static struct __pyx_t_3_sa__Trie_Edge *__pyx_f_3_sa_new_trie_edge(int __pyx_v_val) {
+  struct __pyx_t_3_sa__Trie_Edge *__pyx_v_edge;
+  struct __pyx_t_3_sa__Trie_Edge *__pyx_r;
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@@ -25099,7 +25487,7 @@ static struct __pyx_t_8_cdec_sa__Trie_Edge *__pyx_f_8_cdec_sa_new_trie_edge(int
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-  __pyx_v_edge = ((struct __pyx_t_8_cdec_sa__Trie_Edge *)malloc((sizeof(struct __pyx_t_8_cdec_sa__Trie_Edge))));
+  __pyx_v_edge = ((struct __pyx_t_3_sa__Trie_Edge *)malloc((sizeof(struct __pyx_t_3_sa__Trie_Edge))));
 
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  *     edge.bigger = NULL
  *     edge.smaller = NULL
  */
-  __pyx_v_edge->node = __pyx_f_8_cdec_sa_new_trie_node();
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  */
 
-static PyObject *__pyx_f_8_cdec_sa_free_trie_node(struct __pyx_t_8_cdec_sa__Trie_Node *__pyx_v_node) {
+static PyObject *__pyx_f_3_sa_free_trie_node(struct __pyx_t_3_sa__Trie_Node *__pyx_v_node) {
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   __Pyx_RefNannyDeclarations
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@@ -25188,7 +25576,7 @@ static PyObject *__pyx_f_8_cdec_sa_free_trie_node(struct __pyx_t_8_cdec_sa__Trie
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  * 
  */
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+    __pyx_t_2 = __pyx_f_3_sa_free_trie_edge(__pyx_v_node->root); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 40; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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@@ -25208,7 +25596,7 @@ static PyObject *__pyx_f_8_cdec_sa_free_trie_node(struct __pyx_t_8_cdec_sa__Trie
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-  __Pyx_AddTraceback("_cdec_sa.free_trie_node", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_AddTraceback("_sa.free_trie_node", __pyx_clineno, __pyx_lineno, __pyx_filename);
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  */
 
-static PyObject *__pyx_f_8_cdec_sa_free_trie_edge(struct __pyx_t_8_cdec_sa__Trie_Edge *__pyx_v_edge) {
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@@ -25262,7 +25650,7 @@ static PyObject *__pyx_f_8_cdec_sa_free_trie_edge(struct __pyx_t_8_cdec_sa__Trie
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+    __pyx_t_2 = __pyx_f_3_sa_free_trie_edge(__pyx_v_edge->bigger); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 46; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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@@ -25273,7 +25661,7 @@ static PyObject *__pyx_f_8_cdec_sa_free_trie_edge(struct __pyx_t_8_cdec_sa__Trie
  * 
  * cdef _Trie_Node* trie_find(_Trie_Node* node, int val):
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-    __pyx_t_2 = __pyx_f_8_cdec_sa_free_trie_edge(__pyx_v_edge->smaller); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 47; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_2 = __pyx_f_3_sa_free_trie_edge(__pyx_v_edge->smaller); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 47; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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@@ -25284,7 +25672,7 @@ static PyObject *__pyx_f_8_cdec_sa_free_trie_edge(struct __pyx_t_8_cdec_sa__Trie
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-  __Pyx_AddTraceback("_cdec_sa.free_trie_edge", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_AddTraceback("_sa.free_trie_edge", __pyx_clineno, __pyx_lineno, __pyx_filename);
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@@ -25300,9 +25688,9 @@ static PyObject *__pyx_f_8_cdec_sa_free_trie_edge(struct __pyx_t_8_cdec_sa__Trie
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-  struct __pyx_t_8_cdec_sa__Trie_Edge *__pyx_v_cur;
-  struct __pyx_t_8_cdec_sa__Trie_Node *__pyx_r;
+static struct __pyx_t_3_sa__Trie_Node *__pyx_f_3_sa_trie_find(struct __pyx_t_3_sa__Trie_Node *__pyx_v_node, int __pyx_v_val) {
+  struct __pyx_t_3_sa__Trie_Edge *__pyx_v_cur;
+  struct __pyx_t_3_sa__Trie_Node *__pyx_r;
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   int __pyx_t_2;
@@ -25428,7 +25816,7 @@ static struct __pyx_t_8_cdec_sa__Trie_Node *__pyx_f_8_cdec_sa_trie_find(struct _
  *     new_len = node.arr_len + 1
  */
 
-static PyObject *__pyx_f_8_cdec_sa_trie_node_data_append(struct __pyx_t_8_cdec_sa__Trie_Node *__pyx_v_node, int __pyx_v_val) {
+static PyObject *__pyx_f_3_sa_trie_node_data_append(struct __pyx_t_3_sa__Trie_Node *__pyx_v_node, int __pyx_v_val) {
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   __Pyx_RefNannyDeclarations
@@ -25484,7 +25872,7 @@ static PyObject *__pyx_f_8_cdec_sa_trie_node_data_append(struct __pyx_t_8_cdec_s
  *     new_len = node.arr_len + num_vals
  */
 
-static PyObject *__pyx_f_8_cdec_sa_trie_node_data_extend(struct __pyx_t_8_cdec_sa__Trie_Node *__pyx_v_node, int *__pyx_v_vals, int __pyx_v_num_vals) {
+static PyObject *__pyx_f_3_sa_trie_node_data_extend(struct __pyx_t_3_sa__Trie_Node *__pyx_v_node, int *__pyx_v_vals, int __pyx_v_num_vals) {
   int __pyx_v_new_len;
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   __Pyx_RefNannyDeclarations
@@ -25540,9 +25928,9 @@ static PyObject *__pyx_f_8_cdec_sa_trie_node_data_extend(struct __pyx_t_8_cdec_s
  *     cur = &node.root
  */
 
-static struct __pyx_t_8_cdec_sa__Trie_Node *__pyx_f_8_cdec_sa_trie_insert(struct __pyx_t_8_cdec_sa__Trie_Node *__pyx_v_node, int __pyx_v_val) {
-  struct __pyx_t_8_cdec_sa__Trie_Edge **__pyx_v_cur;
-  struct __pyx_t_8_cdec_sa__Trie_Node *__pyx_r;
+static struct __pyx_t_3_sa__Trie_Node *__pyx_f_3_sa_trie_insert(struct __pyx_t_3_sa__Trie_Node *__pyx_v_node, int __pyx_v_val) {
+  struct __pyx_t_3_sa__Trie_Edge **__pyx_v_cur;
+  struct __pyx_t_3_sa__Trie_Node *__pyx_r;
   __Pyx_RefNannyDeclarations
   int __pyx_t_1;
   int __pyx_t_2;
@@ -25636,7 +26024,7 @@ static struct __pyx_t_8_cdec_sa__Trie_Node *__pyx_f_8_cdec_sa_trie_insert(struct
  *     return cur[0].node
  * 
  */
-    (__pyx_v_cur[0]) = __pyx_f_8_cdec_sa_new_trie_edge(__pyx_v_val);
+    (__pyx_v_cur[0]) = __pyx_f_3_sa_new_trie_edge(__pyx_v_val);
     goto __pyx_L6;
   }
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@@ -25665,8 +26053,8 @@ static struct __pyx_t_8_cdec_sa__Trie_Node *__pyx_f_8_cdec_sa_trie_insert(struct
  * 
  */
 
-static PyObject *__pyx_f_8_cdec_sa_trie_node_to_map(struct __pyx_t_8_cdec_sa__Trie_Node *__pyx_v_node, PyObject *__pyx_v_result, PyObject *__pyx_v_prefix, int __pyx_v_include_zeros) {
-  struct __pyx_obj_8_cdec_sa_IntList *__pyx_v_arr = 0;
+static PyObject *__pyx_f_3_sa_trie_node_to_map(struct __pyx_t_3_sa__Trie_Node *__pyx_v_node, PyObject *__pyx_v_result, PyObject *__pyx_v_prefix, int __pyx_v_include_zeros) {
+  struct __pyx_obj_3_sa_IntList *__pyx_v_arr = 0;
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   __Pyx_RefNannyDeclarations
   int __pyx_t_1;
@@ -25699,9 +26087,9 @@ static PyObject *__pyx_f_8_cdec_sa_trie_node_to_map(struct __pyx_t_8_cdec_sa__Tr
  *         free(arr.arr)
  *         arr.arr = <int*> malloc(node.arr_len * sizeof(int))
  */
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+    __pyx_t_3 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_IntList)), ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 93; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_3);
-    __pyx_v_arr = ((struct __pyx_obj_8_cdec_sa_IntList *)__pyx_t_3);
+    __pyx_v_arr = ((struct __pyx_obj_3_sa_IntList *)__pyx_t_3);
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     /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":94
@@ -25756,7 +26144,7 @@ static PyObject *__pyx_f_8_cdec_sa_trie_node_to_map(struct __pyx_t_8_cdec_sa__Tr
  *     trie_edge_to_map(node.root, result, prefix, include_zeros)
  * 
  */
-    if (PyObject_SetItem(__pyx_v_result, __pyx_v_prefix, ((PyObject *)__pyx_v_arr)) < 0) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 99; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    if (PyObject_SetItem(__pyx_v_result, __pyx_v_prefix, ((PyObject *)__pyx_v_arr)) < 0) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 99; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     goto __pyx_L3;
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@@ -25768,7 +26156,7 @@ static PyObject *__pyx_f_8_cdec_sa_trie_node_to_map(struct __pyx_t_8_cdec_sa__Tr
  * 
  * cdef trie_edge_to_map(_Trie_Edge* edge, result, prefix, int include_zeros):
  */
-  __pyx_t_3 = __pyx_f_8_cdec_sa_trie_edge_to_map(__pyx_v_node->root, __pyx_v_result, __pyx_v_prefix, __pyx_v_include_zeros); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 100; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_3 = __pyx_f_3_sa_trie_edge_to_map(__pyx_v_node->root, __pyx_v_result, __pyx_v_prefix, __pyx_v_include_zeros); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 100; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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@@ -25776,7 +26164,7 @@ static PyObject *__pyx_f_8_cdec_sa_trie_node_to_map(struct __pyx_t_8_cdec_sa__Tr
   goto __pyx_L0;
   __pyx_L1_error:;
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-  __Pyx_AddTraceback("_cdec_sa.trie_node_to_map", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_AddTraceback("_sa.trie_node_to_map", __pyx_clineno, __pyx_lineno, __pyx_filename);
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   __pyx_L0:;
   __Pyx_XDECREF((PyObject *)__pyx_v_arr);
@@ -25793,7 +26181,7 @@ static PyObject *__pyx_f_8_cdec_sa_trie_node_to_map(struct __pyx_t_8_cdec_sa__Tr
  *         trie_edge_to_map(edge.smaller, result, prefix, include_zeros)
  */
 
-static PyObject *__pyx_f_8_cdec_sa_trie_edge_to_map(struct __pyx_t_8_cdec_sa__Trie_Edge *__pyx_v_edge, PyObject *__pyx_v_result, PyObject *__pyx_v_prefix, int __pyx_v_include_zeros) {
+static PyObject *__pyx_f_3_sa_trie_edge_to_map(struct __pyx_t_3_sa__Trie_Edge *__pyx_v_edge, PyObject *__pyx_v_result, PyObject *__pyx_v_prefix, int __pyx_v_include_zeros) {
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   __Pyx_RefNannyDeclarations
   int __pyx_t_1;
@@ -25822,7 +26210,7 @@ static PyObject *__pyx_f_8_cdec_sa_trie_edge_to_map(struct __pyx_t_8_cdec_sa__Tr
  *         trie_edge_to_map(edge.bigger, result, prefix, include_zeros)
  *         prefix = prefix + (edge.val,)
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-    __pyx_t_2 = __pyx_f_8_cdec_sa_trie_edge_to_map(__pyx_v_edge->smaller, __pyx_v_result, __pyx_v_prefix, __pyx_v_include_zeros); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 104; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_2 = __pyx_f_3_sa_trie_edge_to_map(__pyx_v_edge->smaller, __pyx_v_result, __pyx_v_prefix, __pyx_v_include_zeros); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 104; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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@@ -25833,7 +26221,7 @@ static PyObject *__pyx_f_8_cdec_sa_trie_edge_to_map(struct __pyx_t_8_cdec_sa__Tr
  *         prefix = prefix + (edge.val,)
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-    __pyx_t_2 = __pyx_f_8_cdec_sa_trie_edge_to_map(__pyx_v_edge->bigger, __pyx_v_result, __pyx_v_prefix, __pyx_v_include_zeros); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 105; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_2 = __pyx_f_3_sa_trie_edge_to_map(__pyx_v_edge->bigger, __pyx_v_result, __pyx_v_prefix, __pyx_v_include_zeros); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 105; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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@@ -25844,14 +26232,14 @@ static PyObject *__pyx_f_8_cdec_sa_trie_edge_to_map(struct __pyx_t_8_cdec_sa__Tr
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  * 
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-    __pyx_t_2 = PyInt_FromLong(__pyx_v_edge->val); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 106; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_2 = PyInt_FromLong(__pyx_v_edge->val); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 106; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_2);
-    __pyx_t_3 = PyTuple_New(1); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 106; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_3 = PyTuple_New(1); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 106; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_3);
     PyTuple_SET_ITEM(__pyx_t_3, 0, __pyx_t_2);
     __Pyx_GIVEREF(__pyx_t_2);
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-    __pyx_t_2 = PyNumber_Add(__pyx_v_prefix, ((PyObject *)__pyx_t_3)); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 106; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_2 = PyNumber_Add(__pyx_v_prefix, ((PyObject *)__pyx_t_3)); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 106; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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@@ -25865,7 +26253,7 @@ static PyObject *__pyx_f_8_cdec_sa_trie_edge_to_map(struct __pyx_t_8_cdec_sa__Tr
  * 
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-    __pyx_t_2 = __pyx_f_8_cdec_sa_trie_node_to_map(__pyx_v_edge->node, __pyx_v_result, __pyx_v_prefix, __pyx_v_include_zeros); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 107; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_2 = __pyx_f_3_sa_trie_node_to_map(__pyx_v_edge->node, __pyx_v_result, __pyx_v_prefix, __pyx_v_include_zeros); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 107; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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@@ -25877,7 +26265,7 @@ static PyObject *__pyx_f_8_cdec_sa_trie_edge_to_map(struct __pyx_t_8_cdec_sa__Tr
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   __Pyx_XDECREF(__pyx_t_3);
-  __Pyx_AddTraceback("_cdec_sa.trie_edge_to_map", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_AddTraceback("_sa.trie_edge_to_map", __pyx_clineno, __pyx_lineno, __pyx_filename);
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@@ -25887,14 +26275,14 @@ static PyObject *__pyx_f_8_cdec_sa_trie_edge_to_map(struct __pyx_t_8_cdec_sa__Tr
 }
 
 /* Python wrapper */
-static int __pyx_pw_8_cdec_sa_7TrieMap_1__cinit__(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
-static int __pyx_pw_8_cdec_sa_7TrieMap_1__cinit__(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
+static int __pyx_pw_3_sa_7TrieMap_1__cinit__(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
+static int __pyx_pw_3_sa_7TrieMap_1__cinit__(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
   int __pyx_v_alphabet_size;
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   int __pyx_r;
   __Pyx_RefNannyDeclarations
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+    static PyObject **__pyx_pyargnames[] = {&__pyx_n_s__alphabet_size,0};
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       Py_ssize_t kw_args;
@@ -25907,29 +26295,28 @@ static int __pyx_pw_8_cdec_sa_7TrieMap_1__cinit__(PyObject *__pyx_v_self, PyObje
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         case  0:
-        values[0] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__alphabet_size);
-        if (likely(values[0])) kw_args--;
+        if (likely((values[0] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__alphabet_size)) != 0)) kw_args--;
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+        if (unlikely(__Pyx_ParseOptionalKeywords(__pyx_kwds, __pyx_pyargnames, 0, values, pos_args, "__cinit__") < 0)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 114; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
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+    __pyx_v_alphabet_size = __Pyx_PyInt_AsInt(values[0]); if (unlikely((__pyx_v_alphabet_size == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 114; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
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   goto __pyx_L4_argument_unpacking_done;
   __pyx_L5_argtuple_error:;
-  __Pyx_RaiseArgtupleInvalid("__cinit__", 1, 1, 1, PyTuple_GET_SIZE(__pyx_args)); {__pyx_filename = __pyx_f[11]; __pyx_lineno = 114; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+  __Pyx_RaiseArgtupleInvalid("__cinit__", 1, 1, 1, PyTuple_GET_SIZE(__pyx_args)); {__pyx_filename = __pyx_f[12]; __pyx_lineno = 114; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
   __pyx_L3_error:;
-  __Pyx_AddTraceback("_cdec_sa.TrieMap.__cinit__", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_AddTraceback("_sa.TrieMap.__cinit__", __pyx_clineno, __pyx_lineno, __pyx_filename);
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-  __pyx_r = __pyx_pf_8_cdec_sa_7TrieMap___cinit__(((struct __pyx_obj_8_cdec_sa_TrieMap *)__pyx_v_self), __pyx_v_alphabet_size);
+  __pyx_r = __pyx_pf_3_sa_7TrieMap___cinit__(((struct __pyx_obj_3_sa_TrieMap *)__pyx_v_self), __pyx_v_alphabet_size);
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@@ -25942,7 +26329,7 @@ static int __pyx_pw_8_cdec_sa_7TrieMap_1__cinit__(PyObject *__pyx_v_self, PyObje
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+static int __pyx_pf_3_sa_7TrieMap___cinit__(struct __pyx_obj_3_sa_TrieMap *__pyx_v_self, int __pyx_v_alphabet_size) {
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@@ -25963,7 +26350,7 @@ static int __pyx_pf_8_cdec_sa_7TrieMap___cinit__(struct __pyx_obj_8_cdec_sa_Trie
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-  __pyx_v_self->root = ((struct __pyx_t_8_cdec_sa__Trie_Node **)malloc((__pyx_v_self->V * (sizeof(struct __pyx_t_8_cdec_sa__Trie_Node *)))));
+  __pyx_v_self->root = ((struct __pyx_t_3_sa__Trie_Node **)malloc((__pyx_v_self->V * (sizeof(struct __pyx_t_3_sa__Trie_Node *)))));
 
   /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":117
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  * 
  * 
  */
-  memset(__pyx_v_self->root, 0, (__pyx_v_self->V * (sizeof(struct __pyx_t_8_cdec_sa__Trie_Node *))));
+  memset(__pyx_v_self->root, 0, (__pyx_v_self->V * (sizeof(struct __pyx_t_3_sa__Trie_Node *))));
 
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 }
 
 /* Python wrapper */
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-static void __pyx_pw_8_cdec_sa_7TrieMap_3__dealloc__(PyObject *__pyx_v_self) {
+static void __pyx_pw_3_sa_7TrieMap_3__dealloc__(PyObject *__pyx_v_self); /*proto*/
+static void __pyx_pw_3_sa_7TrieMap_3__dealloc__(PyObject *__pyx_v_self) {
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-  __pyx_pf_8_cdec_sa_7TrieMap_2__dealloc__(((struct __pyx_obj_8_cdec_sa_TrieMap *)__pyx_v_self));
+  __pyx_pf_3_sa_7TrieMap_2__dealloc__(((struct __pyx_obj_3_sa_TrieMap *)__pyx_v_self));
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  */
 
-static void __pyx_pf_8_cdec_sa_7TrieMap_2__dealloc__(struct __pyx_obj_8_cdec_sa_TrieMap *__pyx_v_self) {
+static void __pyx_pf_3_sa_7TrieMap_2__dealloc__(struct __pyx_obj_3_sa_TrieMap *__pyx_v_self) {
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@@ -26034,7 +26421,7 @@ static void __pyx_pf_8_cdec_sa_7TrieMap_2__dealloc__(struct __pyx_obj_8_cdec_sa_
  *         free(self.root)
  * 
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+      __pyx_t_3 = __pyx_f_3_sa_free_trie_node((__pyx_v_self->root[__pyx_v_i])); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 124; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-  __Pyx_AddTraceback("_cdec_sa.TrieMap.__dealloc__", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_AddTraceback("_sa.TrieMap.__dealloc__", __pyx_clineno, __pyx_lineno, __pyx_filename);
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 /* Python wrapper */
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-static PyObject *__pyx_pw_8_cdec_sa_7TrieMap_5insert(PyObject *__pyx_v_self, PyObject *__pyx_v_pattern) {
+static PyObject *__pyx_pw_3_sa_7TrieMap_5insert(PyObject *__pyx_v_self, PyObject *__pyx_v_pattern); /*proto*/
+static PyObject *__pyx_pw_3_sa_7TrieMap_5insert(PyObject *__pyx_v_self, PyObject *__pyx_v_pattern) {
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+  __pyx_r = __pyx_pf_3_sa_7TrieMap_4insert(((struct __pyx_obj_3_sa_TrieMap *)__pyx_v_self), ((PyObject *)__pyx_v_pattern));
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@@ -26078,7 +26465,7 @@ static PyObject *__pyx_pw_8_cdec_sa_7TrieMap_5insert(PyObject *__pyx_v_self, PyO
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-static PyObject *__pyx_pf_8_cdec_sa_7TrieMap_4insert(struct __pyx_obj_8_cdec_sa_TrieMap *__pyx_v_self, PyObject *__pyx_v_pattern) {
+static PyObject *__pyx_pf_3_sa_7TrieMap_4insert(struct __pyx_obj_3_sa_TrieMap *__pyx_v_self, PyObject *__pyx_v_pattern) {
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   int __pyx_v_i;
   int __pyx_v_l;
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+    __pyx_t_4 = __Pyx_PyInt_AsInt(__pyx_t_3); if (unlikely((__pyx_t_4 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 134; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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@@ -26143,7 +26530,7 @@ static PyObject *__pyx_pf_8_cdec_sa_7TrieMap_4insert(struct __pyx_obj_8_cdec_sa_
  *         free(p)
  * 
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-  ((struct __pyx_vtabstruct_8_cdec_sa_TrieMap *)__pyx_v_self->__pyx_vtab)->_insert(__pyx_v_self, __pyx_v_p, __pyx_v_l);
+  ((struct __pyx_vtabstruct_3_sa_TrieMap *)__pyx_v_self->__pyx_vtab)->_insert(__pyx_v_self, __pyx_v_p, __pyx_v_l);
 
   /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":136
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@@ -26158,7 +26545,7 @@ static PyObject *__pyx_pf_8_cdec_sa_7TrieMap_4insert(struct __pyx_obj_8_cdec_sa_
   goto __pyx_L0;
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-  __Pyx_AddTraceback("_cdec_sa.TrieMap.insert", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_AddTraceback("_sa.TrieMap.insert", __pyx_clineno, __pyx_lineno, __pyx_filename);
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-static struct __pyx_t_8_cdec_sa__Trie_Node *__pyx_f_8_cdec_sa_7TrieMap__insert(struct __pyx_obj_8_cdec_sa_TrieMap *__pyx_v_self, int *__pyx_v_pattern, int __pyx_v_pattern_len) {
+static struct __pyx_t_3_sa__Trie_Node *__pyx_f_3_sa_7TrieMap__insert(struct __pyx_obj_3_sa_TrieMap *__pyx_v_self, int *__pyx_v_pattern, int __pyx_v_pattern_len) {
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-  struct __pyx_t_8_cdec_sa__Trie_Node *__pyx_v_node;
-  struct __pyx_t_8_cdec_sa__Trie_Node *__pyx_r;
+  struct __pyx_t_3_sa__Trie_Node *__pyx_v_node;
+  struct __pyx_t_3_sa__Trie_Node *__pyx_r;
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   int __pyx_t_2;
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  *         for i from 1 <= i < pattern_len:
  */
-    (__pyx_v_self->root[(__pyx_v_pattern[0])]) = __pyx_f_8_cdec_sa_new_trie_node();
+    (__pyx_v_self->root[(__pyx_v_pattern[0])]) = __pyx_f_3_sa_new_trie_node();
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@@ -26231,7 +26618,7 @@ static struct __pyx_t_8_cdec_sa__Trie_Node *__pyx_f_8_cdec_sa_7TrieMap__insert(s
  *         return node
  * 
  */
-    __pyx_v_node = __pyx_f_8_cdec_sa_trie_insert(__pyx_v_node, (__pyx_v_pattern[__pyx_v_i]));
+    __pyx_v_node = __pyx_f_3_sa_trie_insert(__pyx_v_node, (__pyx_v_pattern[__pyx_v_i]));
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 /* Python wrapper */
-static PyObject *__pyx_pw_8_cdec_sa_7TrieMap_7contains(PyObject *__pyx_v_self, PyObject *__pyx_v_pattern); /*proto*/
-static PyObject *__pyx_pw_8_cdec_sa_7TrieMap_7contains(PyObject *__pyx_v_self, PyObject *__pyx_v_pattern) {
+static PyObject *__pyx_pw_3_sa_7TrieMap_7contains(PyObject *__pyx_v_self, PyObject *__pyx_v_pattern); /*proto*/
+static PyObject *__pyx_pw_3_sa_7TrieMap_7contains(PyObject *__pyx_v_self, PyObject *__pyx_v_pattern) {
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+  __pyx_r = __pyx_pf_3_sa_7TrieMap_6contains(((struct __pyx_obj_3_sa_TrieMap *)__pyx_v_self), ((PyObject *)__pyx_v_pattern));
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@@ -26269,11 +26656,11 @@ static PyObject *__pyx_pw_8_cdec_sa_7TrieMap_7contains(PyObject *__pyx_v_self, P
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-static PyObject *__pyx_pf_8_cdec_sa_7TrieMap_6contains(struct __pyx_obj_8_cdec_sa_TrieMap *__pyx_v_self, PyObject *__pyx_v_pattern) {
+static PyObject *__pyx_pf_3_sa_7TrieMap_6contains(struct __pyx_obj_3_sa_TrieMap *__pyx_v_self, PyObject *__pyx_v_pattern) {
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   int __pyx_v_i;
   int __pyx_v_l;
-  struct __pyx_t_8_cdec_sa__Trie_Node *__pyx_v_node;
+  struct __pyx_t_3_sa__Trie_Node *__pyx_v_node;
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@@ -26293,7 +26680,7 @@ static PyObject *__pyx_pf_8_cdec_sa_7TrieMap_6contains(struct __pyx_obj_8_cdec_s
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  *         for i from 0 <= i < l:
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-  __pyx_t_1 = PyObject_Length(__pyx_v_pattern); if (unlikely(__pyx_t_1 == -1)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 153; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = PyObject_Length(__pyx_v_pattern); if (unlikely(__pyx_t_1 == -1)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 153; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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@@ -26382,7 +26769,7 @@ static PyObject *__pyx_pf_8_cdec_sa_7TrieMap_6contains(struct __pyx_obj_8_cdec_s
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+    __pyx_t_3 = __Pyx_PyBool_FromLong(1); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 162; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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@@ -26394,7 +26781,7 @@ static PyObject *__pyx_pf_8_cdec_sa_7TrieMap_6contains(struct __pyx_obj_8_cdec_s
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-  __Pyx_AddTraceback("_cdec_sa.TrieMap.contains", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_AddTraceback("_sa.TrieMap.contains", __pyx_clineno, __pyx_lineno, __pyx_filename);
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@@ -26410,10 +26797,10 @@ static PyObject *__pyx_pf_8_cdec_sa_7TrieMap_6contains(struct __pyx_obj_8_cdec_s
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+static struct __pyx_t_3_sa__Trie_Node *__pyx_f_3_sa_7TrieMap__contains(struct __pyx_obj_3_sa_TrieMap *__pyx_v_self, int *__pyx_v_pattern, int __pyx_v_pattern_len) {
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-  struct __pyx_t_8_cdec_sa__Trie_Node *__pyx_v_node;
-  struct __pyx_t_8_cdec_sa__Trie_Node *__pyx_r;
+  struct __pyx_t_3_sa__Trie_Node *__pyx_v_node;
+  struct __pyx_t_3_sa__Trie_Node *__pyx_r;
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   int __pyx_t_1;
   int __pyx_t_2;
@@ -26462,7 +26849,7 @@ static struct __pyx_t_8_cdec_sa__Trie_Node *__pyx_f_8_cdec_sa_7TrieMap__contains
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-    __pyx_v_node = __pyx_f_8_cdec_sa_trie_find(__pyx_v_node, (__pyx_v_pattern[__pyx_v_i]));
+    __pyx_v_node = __pyx_f_3_sa_trie_find(__pyx_v_node, (__pyx_v_pattern[__pyx_v_i]));
 
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 /* Python wrapper */
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-static PyObject *__pyx_pw_8_cdec_sa_7TrieMap_9toMap(PyObject *__pyx_v_self, PyObject *__pyx_v_flag) {
+static PyObject *__pyx_pw_3_sa_7TrieMap_9toMap(PyObject *__pyx_v_self, PyObject *__pyx_v_flag); /*proto*/
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+  __pyx_r = __pyx_pf_3_sa_7TrieMap_8toMap(((struct __pyx_obj_3_sa_TrieMap *)__pyx_v_self), ((PyObject *)__pyx_v_flag));
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@@ -26509,7 +26896,7 @@ static PyObject *__pyx_pw_8_cdec_sa_7TrieMap_9toMap(PyObject *__pyx_v_self, PyOb
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+static PyObject *__pyx_pf_3_sa_7TrieMap_8toMap(struct __pyx_obj_3_sa_TrieMap *__pyx_v_self, PyObject *__pyx_v_flag) {
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+  __pyx_t_1 = __Pyx_PyObject_IsTrue(__pyx_v_flag); if (unlikely(__pyx_t_1 < 0)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 177; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-        __Pyx_GOTREF(__pyx_t_6);
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-      __pyx_v_i = __pyx_t_11;
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@@ -27453,7 +27788,7 @@ static PyObject *__pyx_f_8_cdec_sa_14Precomputation_write_map(CYTHON_UNUSED stru
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-    __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
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-    __pyx_v_arr = ((struct __pyx_obj_8_cdec_sa_IntList *)__pyx_v_val);
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@@ -27482,11 +27817,9 @@ static PyObject *__pyx_f_8_cdec_sa_14Precomputation_write_map(CYTHON_UNUSED stru
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@@ -27506,13 +27839,13 @@ static PyObject *__pyx_f_8_cdec_sa_14Precomputation_write_map(CYTHON_UNUSED stru
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-    __pyx_v_arr = ((struct __pyx_obj_8_cdec_sa_IntList *)__pyx_t_1);
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   __pyx_L1_error:;
   __pyx_r = NULL;
@@ -27749,7 +28080,7 @@ static PyObject *__pyx_pw_8_cdec_sa_14Precomputation_7precompute(PyObject *__pyx
  *         cdef DataArray darray = sarray.darray
  */
 
-static PyObject *__pyx_pf_8_cdec_sa_14Precomputation_6precompute(struct __pyx_obj_8_cdec_sa_Precomputation *__pyx_v_self, PyObject *__pyx_v_stats, struct __pyx_obj_8_cdec_sa_SuffixArray *__pyx_v_sarray) {
+static PyObject *__pyx_pf_3_sa_14Precomputation_6precompute(struct __pyx_obj_3_sa_Precomputation *__pyx_v_self, PyObject *__pyx_v_stats, struct __pyx_obj_3_sa_SuffixArray *__pyx_v_sarray) {
   int __pyx_v_i;
   int __pyx_v_l;
   int __pyx_v_N;
@@ -27766,15 +28097,15 @@ static PyObject *__pyx_pf_8_cdec_sa_14Precomputation_6precompute(struct __pyx_ob
   int __pyx_v_is_super;
   int __pyx_v_sent_count;
   int __pyx_v_max_rank;
-  struct __pyx_obj_8_cdec_sa_DataArray *__pyx_v_darray = 0;
-  struct __pyx_obj_8_cdec_sa_IntList *__pyx_v_data = 0;
-  struct __pyx_obj_8_cdec_sa_IntList *__pyx_v_queue = 0;
-  struct __pyx_obj_8_cdec_sa_IntList *__pyx_v_cost_by_rank = 0;
-  struct __pyx_obj_8_cdec_sa_IntList *__pyx_v_count_by_rank = 0;
-  struct __pyx_obj_8_cdec_sa_TrieMap *__pyx_v_frequent_patterns = 0;
-  struct __pyx_obj_8_cdec_sa_TrieMap *__pyx_v_super_frequent_patterns = 0;
-  struct __pyx_obj_8_cdec_sa_TrieMap *__pyx_v_collocations = 0;
-  struct __pyx_t_8_cdec_sa__Trie_Node *__pyx_v_node;
+  struct __pyx_obj_3_sa_DataArray *__pyx_v_darray = 0;
+  struct __pyx_obj_3_sa_IntList *__pyx_v_data = 0;
+  struct __pyx_obj_3_sa_IntList *__pyx_v_queue = 0;
+  struct __pyx_obj_3_sa_IntList *__pyx_v_cost_by_rank = 0;
+  struct __pyx_obj_3_sa_IntList *__pyx_v_count_by_rank = 0;
+  struct __pyx_obj_3_sa_TrieMap *__pyx_v_frequent_patterns = 0;
+  struct __pyx_obj_3_sa_TrieMap *__pyx_v_super_frequent_patterns = 0;
+  struct __pyx_obj_3_sa_TrieMap *__pyx_v_collocations = 0;
+  struct __pyx_t_3_sa__Trie_Node *__pyx_v_node;
   PyObject *__pyx_v_I_set = NULL;
   PyObject *__pyx_v_J_set = NULL;
   PyObject *__pyx_v_J2_set = NULL;
@@ -27855,19 +28186,19 @@ static PyObject *__pyx_pf_8_cdec_sa_14Precomputation_6precompute(struct __pyx_ob
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+  __pyx_t_2 = PyObject_Length(__pyx_t_1); if (unlikely(__pyx_t_2 == -1)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 287; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-  __pyx_t_1 = PyInt_FromSsize_t(__pyx_t_2); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 287; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = PyInt_FromSsize_t(__pyx_t_2); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 287; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-  __pyx_t_3 = PyTuple_New(1); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 287; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_3 = PyTuple_New(1); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 287; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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   PyTuple_SET_ITEM(__pyx_t_3, 0, __pyx_t_1);
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   __pyx_t_1 = 0;
-  __pyx_t_1 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_8_cdec_sa_TrieMap)), ((PyObject *)__pyx_t_3), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 287; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_TrieMap)), ((PyObject *)__pyx_t_3), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 287; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_1);
   __Pyx_DECREF(((PyObject *)__pyx_t_3)); __pyx_t_3 = 0;
-  __pyx_v_frequent_patterns = ((struct __pyx_obj_8_cdec_sa_TrieMap *)__pyx_t_1);
+  __pyx_v_frequent_patterns = ((struct __pyx_obj_3_sa_TrieMap *)__pyx_t_1);
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   /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":288
@@ -27879,19 +28210,19 @@ static PyObject *__pyx_pf_8_cdec_sa_14Precomputation_6precompute(struct __pyx_ob
  */
   __pyx_t_1 = __pyx_v_darray->id2word;
   __Pyx_INCREF(__pyx_t_1);
-  __pyx_t_2 = PyObject_Length(__pyx_t_1); if (unlikely(__pyx_t_2 == -1)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 288; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_2 = PyObject_Length(__pyx_t_1); if (unlikely(__pyx_t_2 == -1)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 288; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
-  __pyx_t_1 = PyInt_FromSsize_t(__pyx_t_2); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 288; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = PyInt_FromSsize_t(__pyx_t_2); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 288; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_1);
-  __pyx_t_3 = PyTuple_New(1); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 288; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_3 = PyTuple_New(1); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 288; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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   PyTuple_SET_ITEM(__pyx_t_3, 0, __pyx_t_1);
   __Pyx_GIVEREF(__pyx_t_1);
   __pyx_t_1 = 0;
-  __pyx_t_1 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_8_cdec_sa_TrieMap)), ((PyObject *)__pyx_t_3), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 288; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_TrieMap)), ((PyObject *)__pyx_t_3), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 288; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_1);
   __Pyx_DECREF(((PyObject *)__pyx_t_3)); __pyx_t_3 = 0;
-  __pyx_v_super_frequent_patterns = ((struct __pyx_obj_8_cdec_sa_TrieMap *)__pyx_t_1);
+  __pyx_v_super_frequent_patterns = ((struct __pyx_obj_3_sa_TrieMap *)__pyx_t_1);
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   /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":289
@@ -27903,19 +28234,19 @@ static PyObject *__pyx_pf_8_cdec_sa_14Precomputation_6precompute(struct __pyx_ob
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   __pyx_t_1 = __pyx_v_darray->id2word;
   __Pyx_INCREF(__pyx_t_1);
-  __pyx_t_2 = PyObject_Length(__pyx_t_1); if (unlikely(__pyx_t_2 == -1)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 289; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_2 = PyObject_Length(__pyx_t_1); if (unlikely(__pyx_t_2 == -1)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 289; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
-  __pyx_t_1 = PyInt_FromSsize_t(__pyx_t_2); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 289; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = PyInt_FromSsize_t(__pyx_t_2); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 289; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_1);
-  __pyx_t_3 = PyTuple_New(1); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 289; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_3 = PyTuple_New(1); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 289; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_3);
   PyTuple_SET_ITEM(__pyx_t_3, 0, __pyx_t_1);
   __Pyx_GIVEREF(__pyx_t_1);
   __pyx_t_1 = 0;
-  __pyx_t_1 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_8_cdec_sa_TrieMap)), ((PyObject *)__pyx_t_3), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 289; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_TrieMap)), ((PyObject *)__pyx_t_3), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 289; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_1);
   __Pyx_DECREF(((PyObject *)__pyx_t_3)); __pyx_t_3 = 0;
-  __pyx_v_collocations = ((struct __pyx_obj_8_cdec_sa_TrieMap *)__pyx_t_1);
+  __pyx_v_collocations = ((struct __pyx_obj_3_sa_TrieMap *)__pyx_t_1);
   __pyx_t_1 = 0;
 
   /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":291
@@ -27925,7 +28256,7 @@ static PyObject *__pyx_pf_8_cdec_sa_14Precomputation_6precompute(struct __pyx_ob
  *         J_set = set()
  *         J2_set = set()
  */
-  __pyx_t_1 = PySet_New(0); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 291; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = PySet_New(0); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 291; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(((PyObject *)__pyx_t_1));
   __pyx_v_I_set = __pyx_t_1;
   __pyx_t_1 = 0;
@@ -27937,7 +28268,7 @@ static PyObject *__pyx_pf_8_cdec_sa_14Precomputation_6precompute(struct __pyx_ob
  *         J2_set = set()
  *         IJ_set = set()
  */
-  __pyx_t_1 = PySet_New(0); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 292; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = PySet_New(0); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 292; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(((PyObject *)__pyx_t_1));
   __pyx_v_J_set = __pyx_t_1;
   __pyx_t_1 = 0;
@@ -27949,7 +28280,7 @@ static PyObject *__pyx_pf_8_cdec_sa_14Precomputation_6precompute(struct __pyx_ob
  *         IJ_set = set()
  *         pattern_rank = {}
  */
-  __pyx_t_1 = PySet_New(0); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 293; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = PySet_New(0); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 293; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(((PyObject *)__pyx_t_1));
   __pyx_v_J2_set = __pyx_t_1;
   __pyx_t_1 = 0;
@@ -27961,7 +28292,7 @@ static PyObject *__pyx_pf_8_cdec_sa_14Precomputation_6precompute(struct __pyx_ob
  *         pattern_rank = {}
  * 
  */
-  __pyx_t_1 = PySet_New(0); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 294; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = PySet_New(0); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 294; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(((PyObject *)__pyx_t_1));
   __pyx_v_IJ_set = __pyx_t_1;
   __pyx_t_1 = 0;
@@ -27973,7 +28304,7 @@ static PyObject *__pyx_pf_8_cdec_sa_14Precomputation_6precompute(struct __pyx_ob
  * 
  *         logger.info("Precomputing frequent intersections")
  */
-  __pyx_t_1 = PyDict_New(); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 295; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = PyDict_New(); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 295; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(((PyObject *)__pyx_t_1));
   __pyx_v_pattern_rank = __pyx_t_1;
   __pyx_t_1 = 0;
@@ -27985,12 +28316,12 @@ static PyObject *__pyx_pf_8_cdec_sa_14Precomputation_6precompute(struct __pyx_ob
  *         cdef float start_time = monitor_cpu()
  * 
  */
-  __pyx_t_1 = __Pyx_GetName(__pyx_m, __pyx_n_s__logger); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 297; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = __Pyx_GetName(__pyx_m, __pyx_n_s__logger); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 297; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_1);
-  __pyx_t_3 = PyObject_GetAttr(__pyx_t_1, __pyx_n_s__info); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 297; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_3 = PyObject_GetAttr(__pyx_t_1, __pyx_n_s__info); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 297; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_3);
   __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
-  __pyx_t_1 = PyObject_Call(__pyx_t_3, ((PyObject *)__pyx_k_tuple_71), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 297; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = PyObject_Call(__pyx_t_3, ((PyObject *)__pyx_k_tuple_71), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 297; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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@@ -28002,7 +28333,7 @@ static PyObject *__pyx_pf_8_cdec_sa_14Precomputation_6precompute(struct __pyx_ob
  * 
  *         max_pattern_len = 0
  */
-  __pyx_v_start_time = __pyx_f_8_cdec_sa_monitor_cpu();
+  __pyx_v_start_time = __pyx_f_3_sa_monitor_cpu();
 
   /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":300
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@@ -28026,23 +28357,31 @@ static PyObject *__pyx_pf_8_cdec_sa_14Precomputation_6precompute(struct __pyx_ob
     __pyx_t_3 = __pyx_v_stats; __Pyx_INCREF(__pyx_t_3); __pyx_t_2 = 0;
     __pyx_t_4 = NULL;
   } else {
-    __pyx_t_2 = -1; __pyx_t_3 = PyObject_GetIter(__pyx_v_stats); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 301; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_2 = -1; __pyx_t_3 = PyObject_GetIter(__pyx_v_stats); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 301; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_3);
     __pyx_t_4 = Py_TYPE(__pyx_t_3)->tp_iternext;
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   for (;;) {
     if (!__pyx_t_4 && PyList_CheckExact(__pyx_t_3)) {
       if (__pyx_t_2 >= PyList_GET_SIZE(__pyx_t_3)) break;
+      #if CYTHON_COMPILING_IN_CPYTHON
       __pyx_t_5 = PyList_GET_ITEM(__pyx_t_3, __pyx_t_2); __Pyx_INCREF(__pyx_t_5); __pyx_t_2++;
+      #else
+      __pyx_t_5 = PySequence_ITEM(__pyx_t_3, __pyx_t_2); __pyx_t_2++; if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 301; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
+      #endif
     } else if (!__pyx_t_4 && PyTuple_CheckExact(__pyx_t_3)) {
       if (__pyx_t_2 >= PyTuple_GET_SIZE(__pyx_t_3)) break;
+      #if CYTHON_COMPILING_IN_CPYTHON
       __pyx_t_5 = PyTuple_GET_ITEM(__pyx_t_3, __pyx_t_2); __Pyx_INCREF(__pyx_t_5); __pyx_t_2++;
+      #else
+      __pyx_t_5 = PySequence_ITEM(__pyx_t_3, __pyx_t_2); __pyx_t_2++; if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 301; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
+      #endif
     } else {
       __pyx_t_5 = __pyx_t_4(__pyx_t_3);
       if (unlikely(!__pyx_t_5)) {
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-          else {__pyx_filename = __pyx_f[11]; __pyx_lineno = 301; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          else {__pyx_filename = __pyx_f[12]; __pyx_lineno = 301; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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@@ -28050,21 +28389,22 @@ static PyObject *__pyx_pf_8_cdec_sa_14Precomputation_6precompute(struct __pyx_ob
     }
     if ((likely(PyTuple_CheckExact(__pyx_t_5))) || (PyList_CheckExact(__pyx_t_5))) {
       PyObject* sequence = __pyx_t_5;
+      #if CYTHON_COMPILING_IN_CPYTHON
+      Py_ssize_t size = Py_SIZE(sequence);
+      #else
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+      #endif
+      if (unlikely(size != 3)) {
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+        else if (size >= 0) __Pyx_RaiseNeedMoreValuesError(size);
+        {__pyx_filename = __pyx_f[12]; __pyx_lineno = 301; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      }
+      #if CYTHON_COMPILING_IN_CPYTHON
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-        if (unlikely(PyTuple_GET_SIZE(sequence) != 3)) {
-          if (PyTuple_GET_SIZE(sequence) > 3) __Pyx_RaiseTooManyValuesError(3);
-          else __Pyx_RaiseNeedMoreValuesError(PyTuple_GET_SIZE(sequence));
-          {__pyx_filename = __pyx_f[11]; __pyx_lineno = 301; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-        if (unlikely(PyList_GET_SIZE(sequence) != 3)) {
-          if (PyList_GET_SIZE(sequence) > 3) __Pyx_RaiseTooManyValuesError(3);
-          else __Pyx_RaiseNeedMoreValuesError(PyList_GET_SIZE(sequence));
-          {__pyx_filename = __pyx_f[11]; __pyx_lineno = 301; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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       __Pyx_INCREF(__pyx_t_6);
       __Pyx_INCREF(__pyx_t_7);
       __Pyx_INCREF(__pyx_t_8);
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+      #endif
       __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
-    } else {
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+      __pyx_t_9 = PyObject_GetIter(__pyx_t_5); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 301; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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@@ -28085,14 +28431,15 @@ static PyObject *__pyx_pf_8_cdec_sa_14Precomputation_6precompute(struct __pyx_ob
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+      if (__Pyx_IternextUnpackEndCheck(__pyx_t_10(__pyx_t_9), 3) < 0) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 301; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_10 = NULL;
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-      {__pyx_filename = __pyx_f[11]; __pyx_lineno = 301; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_10 = NULL;
+      if (__Pyx_IterFinish() == 0) __Pyx_RaiseNeedMoreValuesError(index);
+      {__pyx_filename = __pyx_f[12]; __pyx_lineno = 301; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+    __pyx_t_5 = PyNumber_Add(__pyx_t_1, __pyx_int_1); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 301; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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@@ -28120,12 +28467,12 @@ static PyObject *__pyx_pf_8_cdec_sa_14Precomputation_6precompute(struct __pyx_ob
  *                 break
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+    __pyx_t_5 = PyInt_FromLong(__pyx_v_self->precompute_rank); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 302; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_5);
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+    __pyx_t_8 = PyObject_RichCompare(__pyx_v_rank, __pyx_t_5, Py_GE); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 302; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-    __pyx_t_11 = __Pyx_PyObject_IsTrue(__pyx_t_8); if (unlikely(__pyx_t_11 < 0)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 302; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_11 = __Pyx_PyObject_IsTrue(__pyx_t_8); if (unlikely(__pyx_t_11 < 0)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 302; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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@@ -28148,7 +28495,7 @@ static PyObject *__pyx_pf_8_cdec_sa_14Precomputation_6precompute(struct __pyx_ob
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  *             I_set.add(phrase)
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+    __pyx_t_12 = PyObject_Length(__pyx_v_phrase); if (unlikely(__pyx_t_12 == -1)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 304; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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@@ -28164,14 +28511,14 @@ static PyObject *__pyx_pf_8_cdec_sa_14Precomputation_6precompute(struct __pyx_ob
  *             I_set.add(phrase)
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-    __pyx_t_8 = PyObject_GetAttr(((PyObject *)__pyx_v_frequent_patterns), __pyx_n_s__insert); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 305; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_8 = PyObject_GetAttr(((PyObject *)__pyx_v_frequent_patterns), __pyx_n_s__insert); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 305; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_8);
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+    __pyx_t_5 = PyTuple_New(1); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 305; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+    __pyx_t_7 = PyObject_Call(__pyx_t_8, ((PyObject *)__pyx_t_5), NULL); if (unlikely(!__pyx_t_7)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 305; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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@@ -28184,7 +28531,7 @@ static PyObject *__pyx_pf_8_cdec_sa_14Precomputation_6precompute(struct __pyx_ob
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+    __pyx_t_15 = PySet_Add(__pyx_v_I_set, __pyx_v_phrase); if (unlikely(__pyx_t_15 == -1)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 306; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
 
     /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":307
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@@ -28193,7 +28540,7 @@ static PyObject *__pyx_pf_8_cdec_sa_14Precomputation_6precompute(struct __pyx_ob
  *             if rank < self.precompute_secondary_rank:
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-    if (PyDict_SetItem(((PyObject *)__pyx_v_pattern_rank), __pyx_v_phrase, __pyx_v_rank) < 0) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 307; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    if (PyDict_SetItem(((PyObject *)__pyx_v_pattern_rank), __pyx_v_phrase, __pyx_v_rank) < 0) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 307; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
 
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@@ -28202,12 +28549,12 @@ static PyObject *__pyx_pf_8_cdec_sa_14Precomputation_6precompute(struct __pyx_ob
  *                 super_frequent_patterns.insert(phrase)
  *                 J_set.add(phrase)
  */
-    __pyx_t_7 = PyInt_FromLong(__pyx_v_self->precompute_secondary_rank); if (unlikely(!__pyx_t_7)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 308; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_7 = PyInt_FromLong(__pyx_v_self->precompute_secondary_rank); if (unlikely(!__pyx_t_7)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 308; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_7);
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+    __pyx_t_5 = PyObject_RichCompare(__pyx_v_rank, __pyx_t_7, Py_LT); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 308; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_5);
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-    __pyx_t_11 = __Pyx_PyObject_IsTrue(__pyx_t_5); if (unlikely(__pyx_t_11 < 0)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 308; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_11 = __Pyx_PyObject_IsTrue(__pyx_t_5); if (unlikely(__pyx_t_11 < 0)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 308; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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@@ -28218,14 +28565,14 @@ static PyObject *__pyx_pf_8_cdec_sa_14Precomputation_6precompute(struct __pyx_ob
  *                 J_set.add(phrase)
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+      __pyx_t_5 = PyObject_GetAttr(((PyObject *)__pyx_v_super_frequent_patterns), __pyx_n_s__insert); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 309; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_5);
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+      __pyx_t_7 = PyTuple_New(1); if (unlikely(!__pyx_t_7)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 309; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+      __pyx_t_8 = PyObject_Call(__pyx_t_5, ((PyObject *)__pyx_t_7), NULL); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 309; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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@@ -28238,7 +28585,7 @@ static PyObject *__pyx_pf_8_cdec_sa_14Precomputation_6precompute(struct __pyx_ob
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+      __pyx_t_15 = PySet_Add(__pyx_v_J_set, __pyx_v_phrase); if (unlikely(__pyx_t_15 == -1)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 310; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       goto __pyx_L8;
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@@ -28254,13 +28601,13 @@ static PyObject *__pyx_pf_8_cdec_sa_14Precomputation_6precompute(struct __pyx_ob
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+  __pyx_t_1 = PyDict_New(); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 312; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(((PyObject *)__pyx_t_1));
-  if (PyDict_SetItem(__pyx_t_1, ((PyObject *)__pyx_n_s__increment), __pyx_int_1000) < 0) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 312; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __pyx_t_3 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_8_cdec_sa_IntList)), ((PyObject *)__pyx_empty_tuple), ((PyObject *)__pyx_t_1)); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 312; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (PyDict_SetItem(__pyx_t_1, ((PyObject *)__pyx_n_s__increment), __pyx_int_1000) < 0) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 312; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_3 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_IntList)), ((PyObject *)__pyx_empty_tuple), ((PyObject *)__pyx_t_1)); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 312; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_3);
   __Pyx_DECREF(((PyObject *)__pyx_t_1)); __pyx_t_1 = 0;
-  __pyx_v_queue = ((struct __pyx_obj_8_cdec_sa_IntList *)__pyx_t_3);
+  __pyx_v_queue = ((struct __pyx_obj_3_sa_IntList *)__pyx_t_3);
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   /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":314
@@ -28270,12 +28617,12 @@ static PyObject *__pyx_pf_8_cdec_sa_14Precomputation_6precompute(struct __pyx_ob
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  *         for i from 0 <= i < N:
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-  __pyx_t_3 = __Pyx_GetName(__pyx_m, __pyx_n_s__logger); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 314; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_3 = __Pyx_GetName(__pyx_m, __pyx_n_s__logger); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 314; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+  __pyx_t_1 = PyObject_GetAttr(__pyx_t_3, __pyx_n_s__info); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 314; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+  __pyx_t_3 = PyObject_Call(__pyx_t_1, ((PyObject *)__pyx_k_tuple_73), NULL); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 314; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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@@ -28287,7 +28634,7 @@ static PyObject *__pyx_pf_8_cdec_sa_14Precomputation_6precompute(struct __pyx_ob
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  */
-  __pyx_t_2 = PyObject_Length(((PyObject *)__pyx_v_data)); if (unlikely(__pyx_t_2 == -1)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 315; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_2 = PyObject_Length(((PyObject *)__pyx_v_data)); if (unlikely(__pyx_t_2 == -1)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 315; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_v_N = __pyx_t_2;
 
   /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":316
@@ -28326,7 +28673,7 @@ static PyObject *__pyx_pf_8_cdec_sa_14Precomputation_6precompute(struct __pyx_ob
  *             else:
  *                 for l from 1 <= l <= max_pattern_len:
  */
-      ((struct __pyx_vtabstruct_8_cdec_sa_IntList *)__pyx_v_queue->__pyx_vtab)->_append(__pyx_v_queue, -1);
+      ((struct __pyx_vtabstruct_3_sa_IntList *)__pyx_v_queue->__pyx_vtab)->_append(__pyx_v_queue, -1);
       goto __pyx_L11;
     }
     /*else*/ {
@@ -28348,7 +28695,7 @@ static PyObject *__pyx_pf_8_cdec_sa_14Precomputation_6precompute(struct __pyx_ob
  *                     if node == NULL:
  *                         break
  */
-        __pyx_v_node = ((struct __pyx_vtabstruct_8_cdec_sa_TrieMap *)__pyx_v_frequent_patterns->__pyx_vtab)->_contains(__pyx_v_frequent_patterns, (__pyx_v_data->arr + __pyx_v_i), __pyx_v_l);
+        __pyx_v_node = ((struct __pyx_vtabstruct_3_sa_TrieMap *)__pyx_v_frequent_patterns->__pyx_vtab)->_contains(__pyx_v_frequent_patterns, (__pyx_v_data->arr + __pyx_v_i), __pyx_v_l);
 
         /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":323
  *                 for l from 1 <= l <= max_pattern_len:
@@ -28379,7 +28726,7 @@ static PyObject *__pyx_pf_8_cdec_sa_14Precomputation_6precompute(struct __pyx_ob
  *                     queue._append(l)
  *                     trie_node_data_append(node, i)
  */
-        ((struct __pyx_vtabstruct_8_cdec_sa_IntList *)__pyx_v_queue->__pyx_vtab)->_append(__pyx_v_queue, __pyx_v_i);
+        ((struct __pyx_vtabstruct_3_sa_IntList *)__pyx_v_queue->__pyx_vtab)->_append(__pyx_v_queue, __pyx_v_i);
 
         /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":326
  *                         break
@@ -28388,7 +28735,7 @@ static PyObject *__pyx_pf_8_cdec_sa_14Precomputation_6precompute(struct __pyx_ob
  *                     trie_node_data_append(node, i)
  * 
  */
-        ((struct __pyx_vtabstruct_8_cdec_sa_IntList *)__pyx_v_queue->__pyx_vtab)->_append(__pyx_v_queue, __pyx_v_l);
+        ((struct __pyx_vtabstruct_3_sa_IntList *)__pyx_v_queue->__pyx_vtab)->_append(__pyx_v_queue, __pyx_v_l);
 
         /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":327
  *                     queue._append(i)
@@ -28397,7 +28744,7 @@ static PyObject *__pyx_pf_8_cdec_sa_14Precomputation_6precompute(struct __pyx_ob
  * 
  *         logger.info("    Computing collocations...")
  */
-        __pyx_t_3 = __pyx_f_8_cdec_sa_trie_node_data_append(__pyx_v_node, __pyx_v_i); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 327; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_3 = __pyx_f_3_sa_trie_node_data_append(__pyx_v_node, __pyx_v_i); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 327; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_3);
         __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
       }
@@ -28413,12 +28760,12 @@ static PyObject *__pyx_pf_8_cdec_sa_14Precomputation_6precompute(struct __pyx_ob
  *         N = len(queue)
  *         ptr1 = 0
  */
-  __pyx_t_3 = __Pyx_GetName(__pyx_m, __pyx_n_s__logger); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 329; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_3 = __Pyx_GetName(__pyx_m, __pyx_n_s__logger); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 329; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_3);
-  __pyx_t_1 = PyObject_GetAttr(__pyx_t_3, __pyx_n_s__info); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 329; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = PyObject_GetAttr(__pyx_t_3, __pyx_n_s__info); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 329; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_1);
   __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
-  __pyx_t_3 = PyObject_Call(__pyx_t_1, ((PyObject *)__pyx_k_tuple_75), NULL); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 329; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_3 = PyObject_Call(__pyx_t_1, ((PyObject *)__pyx_k_tuple_75), NULL); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 329; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_3);
   __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
   __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
@@ -28430,7 +28777,7 @@ static PyObject *__pyx_pf_8_cdec_sa_14Precomputation_6precompute(struct __pyx_ob
  *         ptr1 = 0
  *         sent_count = 0
  */
-  __pyx_t_2 = PyObject_Length(((PyObject *)__pyx_v_queue)); if (unlikely(__pyx_t_2 == -1)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 330; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_2 = PyObject_Length(((PyObject *)__pyx_v_queue)); if (unlikely(__pyx_t_2 == -1)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 330; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_v_N = __pyx_t_2;
 
   /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":331
@@ -28601,7 +28948,7 @@ static PyObject *__pyx_pf_8_cdec_sa_14Precomputation_6precompute(struct __pyx_ob
  *                         node = trie_insert(node, -1)
  *                         for i from i2 <= i < i2+l2:
  */
-          __pyx_v_node = ((struct __pyx_vtabstruct_8_cdec_sa_TrieMap *)__pyx_v_collocations->__pyx_vtab)->_insert(__pyx_v_collocations, (__pyx_v_data->arr + __pyx_v_i1), __pyx_v_l1);
+          __pyx_v_node = ((struct __pyx_vtabstruct_3_sa_TrieMap *)__pyx_v_collocations->__pyx_vtab)->_insert(__pyx_v_collocations, (__pyx_v_data->arr + __pyx_v_i1), __pyx_v_l1);
 
           /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":347
  *                             l1+l2+1 <= self.max_length):
@@ -28610,7 +28957,7 @@ static PyObject *__pyx_pf_8_cdec_sa_14Precomputation_6precompute(struct __pyx_ob
  *                         for i from i2 <= i < i2+l2:
  *                             node = trie_insert(node, data.arr[i])
  */
-          __pyx_v_node = __pyx_f_8_cdec_sa_trie_insert(__pyx_v_node, -1);
+          __pyx_v_node = __pyx_f_3_sa_trie_insert(__pyx_v_node, -1);
 
           /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":348
  *                         node = collocations._insert(data.arr+i1, l1)
@@ -28629,7 +28976,7 @@ static PyObject *__pyx_pf_8_cdec_sa_14Precomputation_6precompute(struct __pyx_ob
  *                         trie_node_data_append(node, i1)
  *                         trie_node_data_append(node, i2)
  */
-            __pyx_v_node = __pyx_f_8_cdec_sa_trie_insert(__pyx_v_node, (__pyx_v_data->arr[__pyx_v_i]));
+            __pyx_v_node = __pyx_f_3_sa_trie_insert(__pyx_v_node, (__pyx_v_data->arr[__pyx_v_i]));
           }
 
           /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":350
@@ -28639,7 +28986,7 @@ static PyObject *__pyx_pf_8_cdec_sa_14Precomputation_6precompute(struct __pyx_ob
  *                         trie_node_data_append(node, i2)
  *                         if super_frequent_patterns._contains(data.arr+i2, l2) != NULL:
  */
-          __pyx_t_3 = __pyx_f_8_cdec_sa_trie_node_data_append(__pyx_v_node, __pyx_v_i1); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 350; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_3 = __pyx_f_3_sa_trie_node_data_append(__pyx_v_node, __pyx_v_i1); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 350; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_GOTREF(__pyx_t_3);
           __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
 
@@ -28650,7 +28997,7 @@ static PyObject *__pyx_pf_8_cdec_sa_14Precomputation_6precompute(struct __pyx_ob
  *                         if super_frequent_patterns._contains(data.arr+i2, l2) != NULL:
  *                             if super_frequent_patterns._contains(data.arr+i1, l1) != NULL:
  */
-          __pyx_t_3 = __pyx_f_8_cdec_sa_trie_node_data_append(__pyx_v_node, __pyx_v_i2); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 351; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_3 = __pyx_f_3_sa_trie_node_data_append(__pyx_v_node, __pyx_v_i2); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 351; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_GOTREF(__pyx_t_3);
           __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
 
@@ -28661,7 +29008,7 @@ static PyObject *__pyx_pf_8_cdec_sa_14Precomputation_6precompute(struct __pyx_ob
  *                             if super_frequent_patterns._contains(data.arr+i1, l1) != NULL:
  *                                 is_super = 1
  */
-          __pyx_t_11 = (((struct __pyx_vtabstruct_8_cdec_sa_TrieMap *)__pyx_v_super_frequent_patterns->__pyx_vtab)->_contains(__pyx_v_super_frequent_patterns, (__pyx_v_data->arr + __pyx_v_i2), __pyx_v_l2) != NULL);
+          __pyx_t_11 = (((struct __pyx_vtabstruct_3_sa_TrieMap *)__pyx_v_super_frequent_patterns->__pyx_vtab)->_contains(__pyx_v_super_frequent_patterns, (__pyx_v_data->arr + __pyx_v_i2), __pyx_v_l2) != NULL);
           if (__pyx_t_11) {
 
             /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":353
@@ -28671,7 +29018,7 @@ static PyObject *__pyx_pf_8_cdec_sa_14Precomputation_6precompute(struct __pyx_ob
  *                                 is_super = 1
  *                             else:
  */
-            __pyx_t_11 = (((struct __pyx_vtabstruct_8_cdec_sa_TrieMap *)__pyx_v_super_frequent_patterns->__pyx_vtab)->_contains(__pyx_v_super_frequent_patterns, (__pyx_v_data->arr + __pyx_v_i1), __pyx_v_l1) != NULL);
+            __pyx_t_11 = (((struct __pyx_vtabstruct_3_sa_TrieMap *)__pyx_v_super_frequent_patterns->__pyx_vtab)->_contains(__pyx_v_super_frequent_patterns, (__pyx_v_data->arr + __pyx_v_i1), __pyx_v_l1) != NULL);
             if (__pyx_t_11) {
 
               /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":354
@@ -28809,7 +29156,7 @@ static PyObject *__pyx_pf_8_cdec_sa_14Precomputation_6precompute(struct __pyx_ob
  *                                         node = trie_insert(node, -1)
  */
                 if (!__pyx_v_is_super) {
-                  __pyx_t_11 = (((struct __pyx_vtabstruct_8_cdec_sa_TrieMap *)__pyx_v_super_frequent_patterns->__pyx_vtab)->_contains(__pyx_v_super_frequent_patterns, (__pyx_v_data->arr + __pyx_v_i3), __pyx_v_l3) != NULL);
+                  __pyx_t_11 = (((struct __pyx_vtabstruct_3_sa_TrieMap *)__pyx_v_super_frequent_patterns->__pyx_vtab)->_contains(__pyx_v_super_frequent_patterns, (__pyx_v_data->arr + __pyx_v_i3), __pyx_v_l3) != NULL);
                   __pyx_t_19 = __pyx_t_11;
                 } else {
                   __pyx_t_19 = __pyx_v_is_super;
@@ -28823,7 +29170,7 @@ static PyObject *__pyx_pf_8_cdec_sa_14Precomputation_6precompute(struct __pyx_ob
  *                                         node = trie_insert(node, -1)
  *                                         for i from i2 <= i < i2+l2:
  */
-                  __pyx_v_node = ((struct __pyx_vtabstruct_8_cdec_sa_TrieMap *)__pyx_v_collocations->__pyx_vtab)->_insert(__pyx_v_collocations, (__pyx_v_data->arr + __pyx_v_i1), __pyx_v_l1);
+                  __pyx_v_node = ((struct __pyx_vtabstruct_3_sa_TrieMap *)__pyx_v_collocations->__pyx_vtab)->_insert(__pyx_v_collocations, (__pyx_v_data->arr + __pyx_v_i1), __pyx_v_l1);
 
                   /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":368
  *                                     if is_super or super_frequent_patterns._contains(data.arr+i3, l3) != NULL:
@@ -28832,7 +29179,7 @@ static PyObject *__pyx_pf_8_cdec_sa_14Precomputation_6precompute(struct __pyx_ob
  *                                         for i from i2 <= i < i2+l2:
  *                                             node = trie_insert(node, data.arr[i])
  */
-                  __pyx_v_node = __pyx_f_8_cdec_sa_trie_insert(__pyx_v_node, -1);
+                  __pyx_v_node = __pyx_f_3_sa_trie_insert(__pyx_v_node, -1);
 
                   /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":369
  *                                         node = collocations._insert(data.arr+i1, l1)
@@ -28851,7 +29198,7 @@ static PyObject *__pyx_pf_8_cdec_sa_14Precomputation_6precompute(struct __pyx_ob
  *                                         node = trie_insert(node, -1)
  *                                         for i from i3 <= i < i3+l3:
  */
-                    __pyx_v_node = __pyx_f_8_cdec_sa_trie_insert(__pyx_v_node, (__pyx_v_data->arr[__pyx_v_i]));
+                    __pyx_v_node = __pyx_f_3_sa_trie_insert(__pyx_v_node, (__pyx_v_data->arr[__pyx_v_i]));
                   }
 
                   /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":371
@@ -28861,7 +29208,7 @@ static PyObject *__pyx_pf_8_cdec_sa_14Precomputation_6precompute(struct __pyx_ob
  *                                         for i from i3 <= i < i3+l3:
  *                                             node = trie_insert(node, data.arr[i])
  */
-                  __pyx_v_node = __pyx_f_8_cdec_sa_trie_insert(__pyx_v_node, -1);
+                  __pyx_v_node = __pyx_f_3_sa_trie_insert(__pyx_v_node, -1);
 
                   /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":372
  *                                             node = trie_insert(node, data.arr[i])
@@ -28880,7 +29227,7 @@ static PyObject *__pyx_pf_8_cdec_sa_14Precomputation_6precompute(struct __pyx_ob
  *                                         trie_node_data_append(node, i1)
  *                                         trie_node_data_append(node, i2)
  */
-                    __pyx_v_node = __pyx_f_8_cdec_sa_trie_insert(__pyx_v_node, (__pyx_v_data->arr[__pyx_v_i]));
+                    __pyx_v_node = __pyx_f_3_sa_trie_insert(__pyx_v_node, (__pyx_v_data->arr[__pyx_v_i]));
                   }
 
                   /* "/Users/vchahun/Sandbox/cdec/python/src/sa/precomputation.pxi":374
@@ -28890,7 +29237,7 @@ static PyObject *__pyx_pf_8_cdec_sa_14Precomputation_6precompute(struct __pyx_ob
  *                                         trie_node_data_append(node, i2)
  *                                         trie_node_data_append(node, i3)
  */
-                  __pyx_t_3 = __pyx_f_8_cdec_sa_trie_node_data_append(__pyx_v_node, __pyx_v_i1); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 374; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                  __pyx_t_3 = __pyx_f_3_sa_trie_node_data_append(__pyx_v_node, __pyx_v_i1); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 374; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                   __Pyx_GOTREF(__pyx_t_3);
                   __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
 
@@ -28901,7 +29248,7 @@ static PyObject *__pyx_pf_8_cdec_sa_14Precomputation_6precompute(struct __pyx_ob
  *                                         trie_node_data_append(node, i3)
  *                                 ptr3 = ptr3 + 2
  */
-                  __pyx_t_3 = __pyx_f_8_cdec_sa_trie_node_data_append(__pyx_v_node, __pyx_v_i2); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 375; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                  __pyx_t_3 = __pyx_f_3_sa_trie_node_data_append(__pyx_v_node, __pyx_v_i2); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 375; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                   __Pyx_GOTREF(__pyx_t_3);
                   __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
 
@@ -28912,7 +29259,7 @@ static PyObject *__pyx_pf_8_cdec_sa_14Precomputation_6precompute(struct __pyx_ob
  *                                 ptr3 = ptr3 + 2
  *                     ptr2 = ptr2 + 2
  */
-                  __pyx_t_3 = __pyx_f_8_cdec_sa_trie_node_data_append(__pyx_v_node, __pyx_v_i3); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 376; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                  __pyx_t_3 = __pyx_f_3_sa_trie_node_data_append(__pyx_v_node, __pyx_v_i3); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 376; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                   __Pyx_GOTREF(__pyx_t_3);
                   __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
                   goto __pyx_L30;
@@ -28988,14 +29335,14 @@ static PyObject *__pyx_pf_8_cdec_sa_14Precomputation_6precompute(struct __pyx_ob
  *                 ptr1 = ptr1 + 1
  * 
  */
-        __pyx_t_3 = __Pyx_GetName(__pyx_m, __pyx_n_s__logger); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 383; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_3 = __Pyx_GetName(__pyx_m, __pyx_n_s__logger); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 383; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_3);
-        __pyx_t_1 = PyObject_GetAttr(__pyx_t_3, __pyx_n_s__debug); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 383; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_1 = PyObject_GetAttr(__pyx_t_3, __pyx_n_s__debug); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 383; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_1);
         __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
-        __pyx_t_3 = PyInt_FromLong(__pyx_v_sent_count); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 383; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_3 = PyInt_FromLong(__pyx_v_sent_count); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 383; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_3);
-        __pyx_t_8 = PyTuple_New(2); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 383; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_8 = PyTuple_New(2); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 383; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_8);
         __Pyx_INCREF(((PyObject *)__pyx_kp_s_76));
         PyTuple_SET_ITEM(__pyx_t_8, 0, ((PyObject *)__pyx_kp_s_76));
@@ -29003,7 +29350,7 @@ static PyObject *__pyx_pf_8_cdec_sa_14Precomputation_6precompute(struct __pyx_ob
         PyTuple_SET_ITEM(__pyx_t_8, 1, __pyx_t_3);
         __Pyx_GIVEREF(__pyx_t_3);
         __pyx_t_3 = 0;
-        __pyx_t_3 = PyObject_Call(__pyx_t_1, ((PyObject *)__pyx_t_8), NULL); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 383; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_3 = PyObject_Call(__pyx_t_1, ((PyObject *)__pyx_t_8), NULL); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 383; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_3);
         __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
         __Pyx_DECREF(((PyObject *)__pyx_t_8)); __pyx_t_8 = 0;
@@ -29031,16 +29378,16 @@ static PyObject *__pyx_pf_8_cdec_sa_14Precomputation_6precompute(struct __pyx_ob
  *         self.precomputed_index = frequent_patterns.toMap(True)
  * 
  */
-  __pyx_t_3 = PyObject_GetAttr(((PyObject *)__pyx_v_collocations), __pyx_n_s__toMap); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 386; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_3 = PyObject_GetAttr(((PyObject *)__pyx_v_collocations), __pyx_n_s__toMap); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 386; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_3);
-  __pyx_t_8 = __Pyx_PyBool_FromLong(0); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 386; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_8 = __Pyx_PyBool_FromLong(0); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 386; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_8);
-  __pyx_t_1 = PyTuple_New(1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 386; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = PyTuple_New(1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 386; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_1);
   PyTuple_SET_ITEM(__pyx_t_1, 0, __pyx_t_8);
   __Pyx_GIVEREF(__pyx_t_8);
   __pyx_t_8 = 0;
-  __pyx_t_8 = PyObject_Call(__pyx_t_3, ((PyObject *)__pyx_t_1), NULL); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 386; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_8 = PyObject_Call(__pyx_t_3, ((PyObject *)__pyx_t_1), NULL); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 386; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_8);
   __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
   __Pyx_DECREF(((PyObject *)__pyx_t_1)); __pyx_t_1 = 0;
@@ -29057,16 +29404,16 @@ static PyObject *__pyx_pf_8_cdec_sa_14Precomputation_6precompute(struct __pyx_ob
  * 
  *         x = 0
  */
-  __pyx_t_8 = PyObject_GetAttr(((PyObject *)__pyx_v_frequent_patterns), __pyx_n_s__toMap); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 387; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_8 = PyObject_GetAttr(((PyObject *)__pyx_v_frequent_patterns), __pyx_n_s__toMap); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 387; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_8);
-  __pyx_t_1 = __Pyx_PyBool_FromLong(1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 387; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = __Pyx_PyBool_FromLong(1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 387; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_1);
-  __pyx_t_3 = PyTuple_New(1); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 387; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_3 = PyTuple_New(1); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 387; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_3);
   PyTuple_SET_ITEM(__pyx_t_3, 0, __pyx_t_1);
   __Pyx_GIVEREF(__pyx_t_1);
   __pyx_t_1 = 0;
-  __pyx_t_1 = PyObject_Call(__pyx_t_8, ((PyObject *)__pyx_t_3), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 387; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = PyObject_Call(__pyx_t_8, ((PyObject *)__pyx_t_3), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 387; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_1);
   __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
   __Pyx_DECREF(((PyObject *)__pyx_t_3)); __pyx_t_3 = 0;
@@ -29093,7 +29440,7 @@ static PyObject *__pyx_pf_8_cdec_sa_14Precomputation_6precompute(struct __pyx_ob
  *             for pattern2 in J_set:
  *                 if len(pattern1) + len(pattern2) + 1 < self.max_length:
  */
-  __pyx_t_1 = PyObject_GetIter(((PyObject *)__pyx_v_J_set)); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 390; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = PyObject_GetIter(((PyObject *)__pyx_v_J_set)); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 390; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_1);
   __pyx_t_4 = Py_TYPE(__pyx_t_1)->tp_iternext;
   for (;;) {
@@ -29102,7 +29449,7 @@ static PyObject *__pyx_pf_8_cdec_sa_14Precomputation_6precompute(struct __pyx_ob
       if (unlikely(!__pyx_t_3)) {
         if (PyErr_Occurred()) {
           if (likely(PyErr_ExceptionMatches(PyExc_StopIteration))) PyErr_Clear();
-          else {__pyx_filename = __pyx_f[11]; __pyx_lineno = 390; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          else {__pyx_filename = __pyx_f[12]; __pyx_lineno = 390; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         }
         break;
       }
@@ -29119,7 +29466,7 @@ static PyObject *__pyx_pf_8_cdec_sa_14Precomputation_6precompute(struct __pyx_ob
  *                 if len(pattern1) + len(pattern2) + 1 < self.max_length:
  *                     combined_pattern = pattern1 + (-1,) + pattern2
  */
-    __pyx_t_3 = PyObject_GetIter(((PyObject *)__pyx_v_J_set)); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 391; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_3 = PyObject_GetIter(((PyObject *)__pyx_v_J_set)); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 391; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_3);
     __pyx_t_20 = Py_TYPE(__pyx_t_3)->tp_iternext;
     for (;;) {
@@ -29128,7 +29475,7 @@ static PyObject *__pyx_pf_8_cdec_sa_14Precomputation_6precompute(struct __pyx_ob
         if (unlikely(!__pyx_t_8)) {
           if (PyErr_Occurred()) {
             if (likely(PyErr_ExceptionMatches(PyExc_StopIteration))) PyErr_Clear();
-            else {__pyx_filename = __pyx_f[11]; __pyx_lineno = 391; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            else {__pyx_filename = __pyx_f[12]; __pyx_lineno = 391; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           }
           break;
         }
@@ -29145,8 +29492,8 @@ static PyObject *__pyx_pf_8_cdec_sa_14Precomputation_6precompute(struct __pyx_ob
  *                     combined_pattern = pattern1 + (-1,) + pattern2
  *                     J2_set.add(combined_pattern)
  */
-      __pyx_t_2 = PyObject_Length(__pyx_v_pattern1); if (unlikely(__pyx_t_2 == -1)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 392; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-      __pyx_t_14 = PyObject_Length(__pyx_v_pattern2); if (unlikely(__pyx_t_14 == -1)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 392; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_2 = PyObject_Length(__pyx_v_pattern1); if (unlikely(__pyx_t_2 == -1)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 392; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_14 = PyObject_Length(__pyx_v_pattern2); if (unlikely(__pyx_t_14 == -1)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 392; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __pyx_t_19 = (((__pyx_t_2 + __pyx_t_14) + 1) < __pyx_v_self->max_length);
       if (__pyx_t_19) {
 
@@ -29157,9 +29504,9 @@ static PyObject *__pyx_pf_8_cdec_sa_14Precomputation_6precompute(struct __pyx_ob
  *                     J2_set.add(combined_pattern)
  * 
  */
-        __pyx_t_8 = PyNumber_Add(__pyx_v_pattern1, ((PyObject *)__pyx_k_tuple_77)); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 393; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_8 = PyNumber_Add(__pyx_v_pattern1, ((PyObject *)__pyx_k_tuple_77)); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 393; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_8);
-        __pyx_t_7 = PyNumber_Add(__pyx_t_8, __pyx_v_pattern2); if (unlikely(!__pyx_t_7)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 393; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_7 = PyNumber_Add(__pyx_t_8, __pyx_v_pattern2); if (unlikely(!__pyx_t_7)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 393; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_7);
         __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
         __Pyx_XDECREF(__pyx_v_combined_pattern);
@@ -29173,7 +29520,7 @@ static PyObject *__pyx_pf_8_cdec_sa_14Precomputation_6precompute(struct __pyx_ob
  * 
  *         for pattern1 in I_set:
  */
-        __pyx_t_15 = PySet_Add(__pyx_v_J2_set, __pyx_v_combined_pattern); if (unlikely(__pyx_t_15 == -1)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 394; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_15 = PySet_Add(__pyx_v_J2_set, __pyx_v_combined_pattern); if (unlikely(__pyx_t_15 == -1)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 394; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         goto __pyx_L40;
       }
       __pyx_L40:;
@@ -29189,7 +29536,7 @@ static PyObject *__pyx_pf_8_cdec_sa_14Precomputation_6precompute(struct __pyx_ob
  *             for pattern2 in I_set:
  *                 x = x+1
  */
-  __pyx_t_1 = PyObject_GetIter(((PyObject *)__pyx_v_I_set)); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 396; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = PyObject_GetIter(((PyObject *)__pyx_v_I_set)); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 396; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_1);
   __pyx_t_4 = Py_TYPE(__pyx_t_1)->tp_iternext;
   for (;;) {
@@ -29198,7 +29545,7 @@ static PyObject *__pyx_pf_8_cdec_sa_14Precomputation_6precompute(struct __pyx_ob
       if (unlikely(!__pyx_t_3)) {
         if (PyErr_Occurred()) {
           if (likely(PyErr_ExceptionMatches(PyExc_StopIteration))) PyErr_Clear();
-          else {__pyx_filename = __pyx_f[11]; __pyx_lineno = 396; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          else {__pyx_filename = __pyx_f[12]; __pyx_lineno = 396; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         }
         break;
       }
@@ -29215,7 +29562,7 @@ static PyObject *__pyx_pf_8_cdec_sa_14Precomputation_6precompute(struct __pyx_ob
  *                 x = x+1
  *                 if len(pattern1) + len(pattern2) + 1 <= self.max_length:
  */
-    __pyx_t_3 = PyObject_GetIter(((PyObject *)__pyx_v_I_set)); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 397; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_3 = PyObject_GetIter(((PyObject *)__pyx_v_I_set)); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 397; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_3);
     __pyx_t_20 = Py_TYPE(__pyx_t_3)->tp_iternext;
     for (;;) {
@@ -29224,7 +29571,7 @@ static PyObject *__pyx_pf_8_cdec_sa_14Precomputation_6precompute(struct __pyx_ob
         if (unlikely(!__pyx_t_7)) {
           if (PyErr_Occurred()) {
             if (likely(PyErr_ExceptionMatches(PyExc_StopIteration))) PyErr_Clear();
-            else {__pyx_filename = __pyx_f[11]; __pyx_lineno = 397; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            else {__pyx_filename = __pyx_f[12]; __pyx_lineno = 397; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           }
           break;
         }
@@ -29241,7 +29588,7 @@ static PyObject *__pyx_pf_8_cdec_sa_14Precomputation_6precompute(struct __pyx_ob
  *                 if len(pattern1) + len(pattern2) + 1 <= self.max_length:
  *                     combined_pattern = pattern1 + (-1,) + pattern2
  */
-      __pyx_t_7 = PyNumber_Add(__pyx_v_x, __pyx_int_1); if (unlikely(!__pyx_t_7)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 398; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_7 = PyNumber_Add(__pyx_v_x, __pyx_int_1); if (unlikely(!__pyx_t_7)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 398; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_7);
       __Pyx_DECREF(__pyx_v_x);
       __pyx_v_x = __pyx_t_7;
@@ -29254,8 +29601,8 @@ static PyObject *__pyx_pf_8_cdec_sa_14Precomputation_6precompute(struct __pyx_ob
  *                     combined_pattern = pattern1 + (-1,) + pattern2
  *                     IJ_set.add(combined_pattern)
  */
-      __pyx_t_14 = PyObject_Length(__pyx_v_pattern1); if (unlikely(__pyx_t_14 == -1)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 399; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-      __pyx_t_2 = PyObject_Length(__pyx_v_pattern2); if (unlikely(__pyx_t_2 == -1)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 399; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_14 = PyObject_Length(__pyx_v_pattern1); if (unlikely(__pyx_t_14 == -1)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 399; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_2 = PyObject_Length(__pyx_v_pattern2); if (unlikely(__pyx_t_2 == -1)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 399; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __pyx_t_19 = (((__pyx_t_14 + __pyx_t_2) + 1) <= __pyx_v_self->max_length);
       if (__pyx_t_19) {
 
@@ -29266,9 +29613,9 @@ static PyObject *__pyx_pf_8_cdec_sa_14Precomputation_6precompute(struct __pyx_ob
  *                     IJ_set.add(combined_pattern)
  * 
  */
-        __pyx_t_7 = PyNumber_Add(__pyx_v_pattern1, ((PyObject *)__pyx_k_tuple_78)); if (unlikely(!__pyx_t_7)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 400; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_7 = PyNumber_Add(__pyx_v_pattern1, ((PyObject *)__pyx_k_tuple_78)); if (unlikely(!__pyx_t_7)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 400; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_7);
-        __pyx_t_8 = PyNumber_Add(__pyx_t_7, __pyx_v_pattern2); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 400; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_8 = PyNumber_Add(__pyx_t_7, __pyx_v_pattern2); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 400; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_8);
         __Pyx_DECREF(__pyx_t_7); __pyx_t_7 = 0;
         __Pyx_XDECREF(__pyx_v_combined_pattern);
@@ -29282,7 +29629,7 @@ static PyObject *__pyx_pf_8_cdec_sa_14Precomputation_6precompute(struct __pyx_ob
  * 
  *         for pattern1 in I_set:
  */
-        __pyx_t_15 = PySet_Add(__pyx_v_IJ_set, __pyx_v_combined_pattern); if (unlikely(__pyx_t_15 == -1)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 401; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_15 = PySet_Add(__pyx_v_IJ_set, __pyx_v_combined_pattern); if (unlikely(__pyx_t_15 == -1)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 401; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         goto __pyx_L45;
       }
       __pyx_L45:;
@@ -29298,7 +29645,7 @@ static PyObject *__pyx_pf_8_cdec_sa_14Precomputation_6precompute(struct __pyx_ob
  *             for pattern2 in J2_set:
  *                 x = x+2
  */
-  __pyx_t_1 = PyObject_GetIter(((PyObject *)__pyx_v_I_set)); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 403; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = PyObject_GetIter(((PyObject *)__pyx_v_I_set)); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 403; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_1);
   __pyx_t_4 = Py_TYPE(__pyx_t_1)->tp_iternext;
   for (;;) {
@@ -29307,7 +29654,7 @@ static PyObject *__pyx_pf_8_cdec_sa_14Precomputation_6precompute(struct __pyx_ob
       if (unlikely(!__pyx_t_3)) {
         if (PyErr_Occurred()) {
           if (likely(PyErr_ExceptionMatches(PyExc_StopIteration))) PyErr_Clear();
-          else {__pyx_filename = __pyx_f[11]; __pyx_lineno = 403; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          else {__pyx_filename = __pyx_f[12]; __pyx_lineno = 403; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         }
         break;
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@@ -29324,7 +29671,7 @@ static PyObject *__pyx_pf_8_cdec_sa_14Precomputation_6precompute(struct __pyx_ob
  *                 x = x+2
  *                 if len(pattern1) + len(pattern2) + 1<= self.max_length:
  */
-    __pyx_t_3 = PyObject_GetIter(((PyObject *)__pyx_v_J2_set)); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 404; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_3 = PyObject_GetIter(((PyObject *)__pyx_v_J2_set)); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 404; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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@@ -29333,7 +29680,7 @@ static PyObject *__pyx_pf_8_cdec_sa_14Precomputation_6precompute(struct __pyx_ob
         if (unlikely(!__pyx_t_8)) {
           if (PyErr_Occurred()) {
             if (likely(PyErr_ExceptionMatches(PyExc_StopIteration))) PyErr_Clear();
-            else {__pyx_filename = __pyx_f[11]; __pyx_lineno = 404; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            else {__pyx_filename = __pyx_f[12]; __pyx_lineno = 404; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           }
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@@ -29350,7 +29697,7 @@ static PyObject *__pyx_pf_8_cdec_sa_14Precomputation_6precompute(struct __pyx_ob
  *                 if len(pattern1) + len(pattern2) + 1<= self.max_length:
  *                     combined_pattern = pattern1 + (-1,) + pattern2
  */
-      __pyx_t_8 = PyNumber_Add(__pyx_v_x, __pyx_int_2); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 405; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_8 = PyNumber_Add(__pyx_v_x, __pyx_int_2); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 405; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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       __Pyx_DECREF(__pyx_v_x);
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@@ -29363,8 +29710,8 @@ static PyObject *__pyx_pf_8_cdec_sa_14Precomputation_6precompute(struct __pyx_ob
  *                     combined_pattern = pattern1 + (-1,) + pattern2
  *                     IJ_set.add(combined_pattern)
  */
-      __pyx_t_2 = PyObject_Length(__pyx_v_pattern1); if (unlikely(__pyx_t_2 == -1)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 406; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-      __pyx_t_14 = PyObject_Length(__pyx_v_pattern2); if (unlikely(__pyx_t_14 == -1)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 406; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_2 = PyObject_Length(__pyx_v_pattern1); if (unlikely(__pyx_t_2 == -1)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 406; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_14 = PyObject_Length(__pyx_v_pattern2); if (unlikely(__pyx_t_14 == -1)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 406; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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@@ -29375,9 +29722,9 @@ static PyObject *__pyx_pf_8_cdec_sa_14Precomputation_6precompute(struct __pyx_ob
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+        __pyx_t_8 = PyNumber_Add(__pyx_v_pattern1, ((PyObject *)__pyx_k_tuple_79)); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 407; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+        __pyx_t_7 = PyNumber_Add(__pyx_t_8, __pyx_v_pattern2); if (unlikely(!__pyx_t_7)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 407; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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@@ -29391,7 +29738,7 @@ static PyObject *__pyx_pf_8_cdec_sa_14Precomputation_6precompute(struct __pyx_ob
  *                     combined_pattern = pattern2 + (-1,) + pattern1
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  */
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+        __pyx_t_15 = PySet_Add(__pyx_v_IJ_set, __pyx_v_combined_pattern); if (unlikely(__pyx_t_15 == -1)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 408; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
 
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@@ -29400,9 +29747,9 @@ static PyObject *__pyx_pf_8_cdec_sa_14Precomputation_6precompute(struct __pyx_ob
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  * 
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+        __pyx_t_7 = PyNumber_Add(__pyx_v_pattern2, ((PyObject *)__pyx_k_tuple_80)); if (unlikely(!__pyx_t_7)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 409; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+        __pyx_t_8 = PyNumber_Add(__pyx_t_7, __pyx_v_pattern1); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 409; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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@@ -29416,7 +29763,7 @@ static PyObject *__pyx_pf_8_cdec_sa_14Precomputation_6precompute(struct __pyx_ob
  * 
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  */
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+        __pyx_t_15 = PySet_Add(__pyx_v_IJ_set, __pyx_v_combined_pattern); if (unlikely(__pyx_t_15 == -1)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 410; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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       __pyx_L50:;
@@ -29432,7 +29779,7 @@ static PyObject *__pyx_pf_8_cdec_sa_14Precomputation_6precompute(struct __pyx_ob
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  *         count_by_rank = IntList(initial_len=N)
  */
-  __pyx_t_14 = PyDict_Size(((PyObject *)__pyx_v_pattern_rank)); 
+  __pyx_t_14 = PyDict_Size(((PyObject *)__pyx_v_pattern_rank)); if (unlikely(__pyx_t_14 == -1)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 412; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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@@ -29442,16 +29789,16 @@ static PyObject *__pyx_pf_8_cdec_sa_14Precomputation_6precompute(struct __pyx_ob
  *         count_by_rank = IntList(initial_len=N)
  *         for pattern, arr in self.precomputed_collocations.iteritems():
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-  __pyx_v_cost_by_rank = ((struct __pyx_obj_8_cdec_sa_IntList *)__pyx_t_3);
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@@ -29461,16 +29808,16 @@ static PyObject *__pyx_pf_8_cdec_sa_14Precomputation_6precompute(struct __pyx_ob
  *         for pattern, arr in self.precomputed_collocations.iteritems():
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-  __pyx_t_3 = PyDict_New(); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 414; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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@@ -29480,86 +29827,28 @@ static PyObject *__pyx_pf_8_cdec_sa_14Precomputation_6precompute(struct __pyx_ob
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   int __pyx_v_j;
   int __pyx_v_h;
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@@ -31555,26 +31860,22 @@ static PyObject *__pyx_pw_8_cdec_sa_11SuffixArray_13q3sort(PyObject *__pyx_v_sel
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+          __Pyx_RaiseArgtupleInvalid("q3sort", 0, 4, 5, 1); {__pyx_filename = __pyx_f[13]; __pyx_lineno = 109; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
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-          __Pyx_RaiseArgtupleInvalid("q3sort", 0, 4, 5, 2); {__pyx_filename = __pyx_f[12]; __pyx_lineno = 109; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+          __Pyx_RaiseArgtupleInvalid("q3sort", 0, 4, 5, 2); {__pyx_filename = __pyx_f[13]; __pyx_lineno = 109; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
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-        values[3] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__isa);
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+          __Pyx_RaiseArgtupleInvalid("q3sort", 0, 4, 5, 3); {__pyx_filename = __pyx_f[13]; __pyx_lineno = 109; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
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@@ -31583,7 +31884,7 @@ static PyObject *__pyx_pw_8_cdec_sa_11SuffixArray_13q3sort(PyObject *__pyx_v_sel
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-    __pyx_v_isa = ((struct __pyx_obj_8_cdec_sa_IntList *)values[3]);
+    __pyx_v_i = __Pyx_PyInt_AsInt(values[0]); if (unlikely((__pyx_v_i == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[13]; __pyx_lineno = 109; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
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+    __pyx_v_h = __Pyx_PyInt_AsInt(values[2]); if (unlikely((__pyx_v_h == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[13]; __pyx_lineno = 109; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
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+  __Pyx_RaiseArgtupleInvalid("q3sort", 0, 4, 5, PyTuple_GET_SIZE(__pyx_args)); {__pyx_filename = __pyx_f[13]; __pyx_lineno = 109; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
   __pyx_L3_error:;
-  __Pyx_AddTraceback("_cdec_sa.SuffixArray.q3sort", __pyx_clineno, __pyx_lineno, __pyx_filename);
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-  __pyx_r = __pyx_pf_8_cdec_sa_11SuffixArray_12q3sort(((struct __pyx_obj_8_cdec_sa_SuffixArray *)__pyx_v_self), __pyx_v_i, __pyx_v_j, __pyx_v_h, __pyx_v_isa, __pyx_v_pad);
+  if (unlikely(!__Pyx_ArgTypeTest(((PyObject *)__pyx_v_isa), __pyx_ptype_3_sa_IntList, 1, "isa", 0))) {__pyx_filename = __pyx_f[13]; __pyx_lineno = 109; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_r = __pyx_pf_3_sa_11SuffixArray_12q3sort(((struct __pyx_obj_3_sa_SuffixArray *)__pyx_v_self), __pyx_v_i, __pyx_v_j, __pyx_v_h, __pyx_v_isa, __pyx_v_pad);
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@@ -31628,7 +31929,7 @@ static PyObject *__pyx_pw_8_cdec_sa_11SuffixArray_13q3sort(PyObject *__pyx_v_sel
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@@ -31667,11 +31968,11 @@ static PyObject *__pyx_pf_8_cdec_sa_11SuffixArray_12q3sort(struct __pyx_obj_8_cd
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+    __pyx_t_2 = PyInt_FromLong(__pyx_v_i); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[13]; __pyx_lineno = 117; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+    __pyx_t_3 = PyInt_FromLong(__pyx_v_j); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[13]; __pyx_lineno = 117; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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@@ -31679,20 +31980,20 @@ static PyObject *__pyx_pf_8_cdec_sa_11SuffixArray_12q3sort(struct __pyx_obj_8_cd
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     __Pyx_GOTREF(((PyObject *)__pyx_t_3));
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-    {__pyx_filename = __pyx_f[12]; __pyx_lineno = 117; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    {__pyx_filename = __pyx_f[13]; __pyx_lineno = 117; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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@@ -32030,17 +32331,17 @@ static PyObject *__pyx_pf_8_cdec_sa_11SuffixArray_12q3sort(struct __pyx_obj_8_cd
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+  __pyx_t_7 = PyNumber_Add(__pyx_v_pad, ((PyObject *)__pyx_kp_s_45)); if (unlikely(!__pyx_t_7)) {__pyx_filename = __pyx_f[13]; __pyx_lineno = 165; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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@@ -32057,7 +32358,7 @@ static PyObject *__pyx_pf_8_cdec_sa_11SuffixArray_12q3sort(struct __pyx_obj_8_cd
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@@ -32112,17 +32413,17 @@ static PyObject *__pyx_pf_8_cdec_sa_11SuffixArray_12q3sort(struct __pyx_obj_8_cd
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@@ -32770,7 +33087,7 @@ static PyObject *__pyx_pf_8_cdec_sa_11SuffixArray_20write_enhanced(struct __pyx_
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-  __Pyx_AddTraceback("_cdec_sa.SuffixArray.write_enhanced", __pyx_clineno, __pyx_lineno, __pyx_filename);
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+static int __pyx_f_3_sa_11SuffixArray___search_high(struct __pyx_obj_3_sa_SuffixArray *__pyx_v_self, int __pyx_v_word_id, int __pyx_v_offset, int __pyx_v_low, int __pyx_v_high) {
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@@ -32845,7 +33162,7 @@ static int __pyx_f_8_cdec_sa_11SuffixArray___search_high(struct __pyx_obj_8_cdec
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+static int __pyx_f_3_sa_11SuffixArray___search_low(struct __pyx_obj_3_sa_SuffixArray *__pyx_v_self, int __pyx_v_word_id, int __pyx_v_offset, int __pyx_v_low, int __pyx_v_high) {
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+  __pyx_t_3 = PyTuple_New(2); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[13]; __pyx_lineno = 230; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-  __Pyx_AddTraceback("_cdec_sa.SuffixArray.__get_range", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_AddTraceback("_sa.SuffixArray.__get_range", __pyx_clineno, __pyx_lineno, __pyx_filename);
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-        values[1] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__offset);
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+        if (likely((values[1] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__offset)) != 0)) kw_args--;
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+          __Pyx_RaiseArgtupleInvalid("lookup", 1, 4, 4, 1); {__pyx_filename = __pyx_f[13]; __pyx_lineno = 249; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
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-        values[2] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__low);
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+          __Pyx_RaiseArgtupleInvalid("lookup", 1, 4, 4, 2); {__pyx_filename = __pyx_f[13]; __pyx_lineno = 249; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
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-        values[3] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__high);
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+          __Pyx_RaiseArgtupleInvalid("lookup", 1, 4, 4, 3); {__pyx_filename = __pyx_f[13]; __pyx_lineno = 249; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
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+  __Pyx_RaiseArgtupleInvalid("lookup", 1, 4, 4, PyTuple_GET_SIZE(__pyx_args)); {__pyx_filename = __pyx_f[13]; __pyx_lineno = 249; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
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-  __Pyx_AddTraceback("_cdec_sa.SuffixArray.lookup", __pyx_clineno, __pyx_lineno, __pyx_filename);
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-static int __pyx_pf_8_cdec_sa_8TrieNode___cinit__(struct __pyx_obj_8_cdec_sa_TrieNode *__pyx_v_self) {
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+static PyObject *__pyx_pw_3_sa_8TrieNode_8children_1__get__(PyObject *__pyx_v_self); /*proto*/
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-static PyObject *__pyx_pf_8_cdec_sa_8TrieNode_8children___get__(struct __pyx_obj_8_cdec_sa_TrieNode *__pyx_v_self) {
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+static int __pyx_pw_3_sa_16ExtendedTrieNode_6phrase_3__set__(PyObject *__pyx_v_self, PyObject *__pyx_v_value); /*proto*/
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+  __pyx_r = __pyx_pf_3_sa_16ExtendedTrieNode_6phrase_2__set__(((struct __pyx_obj_3_sa_ExtendedTrieNode *)__pyx_v_self), ((PyObject *)__pyx_v_value));
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+static int __pyx_pf_3_sa_16ExtendedTrieNode_6phrase_2__set__(struct __pyx_obj_3_sa_ExtendedTrieNode *__pyx_v_self, PyObject *__pyx_v_value) {
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-static int __pyx_pw_8_cdec_sa_16ExtendedTrieNode_6phrase_5__del__(PyObject *__pyx_v_self) {
+static int __pyx_pw_3_sa_16ExtendedTrieNode_6phrase_5__del__(PyObject *__pyx_v_self); /*proto*/
+static int __pyx_pw_3_sa_16ExtendedTrieNode_6phrase_5__del__(PyObject *__pyx_v_self) {
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+  __pyx_r = __pyx_pf_3_sa_16ExtendedTrieNode_6phrase_4__del__(((struct __pyx_obj_3_sa_ExtendedTrieNode *)__pyx_v_self));
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-static int __pyx_pf_8_cdec_sa_16ExtendedTrieNode_6phrase_4__del__(struct __pyx_obj_8_cdec_sa_ExtendedTrieNode *__pyx_v_self) {
+static int __pyx_pf_3_sa_16ExtendedTrieNode_6phrase_4__del__(struct __pyx_obj_3_sa_ExtendedTrieNode *__pyx_v_self) {
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 /* Python wrapper */
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-static PyObject *__pyx_pw_8_cdec_sa_16ExtendedTrieNode_15phrase_location_1__get__(PyObject *__pyx_v_self) {
+static PyObject *__pyx_pw_3_sa_16ExtendedTrieNode_15phrase_location_1__get__(PyObject *__pyx_v_self); /*proto*/
+static PyObject *__pyx_pw_3_sa_16ExtendedTrieNode_15phrase_location_1__get__(PyObject *__pyx_v_self) {
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+  __pyx_r = __pyx_pf_3_sa_16ExtendedTrieNode_15phrase_location___get__(((struct __pyx_obj_3_sa_ExtendedTrieNode *)__pyx_v_self));
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-static PyObject *__pyx_pf_8_cdec_sa_16ExtendedTrieNode_15phrase_location___get__(struct __pyx_obj_8_cdec_sa_ExtendedTrieNode *__pyx_v_self) {
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-static int __pyx_pw_8_cdec_sa_16ExtendedTrieNode_15phrase_location_3__set__(PyObject *__pyx_v_self, PyObject *__pyx_v_value) {
+static int __pyx_pw_3_sa_16ExtendedTrieNode_15phrase_location_3__set__(PyObject *__pyx_v_self, PyObject *__pyx_v_value); /*proto*/
+static int __pyx_pw_3_sa_16ExtendedTrieNode_15phrase_location_3__set__(PyObject *__pyx_v_self, PyObject *__pyx_v_value) {
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+  __pyx_r = __pyx_pf_3_sa_16ExtendedTrieNode_15phrase_location_2__set__(((struct __pyx_obj_3_sa_ExtendedTrieNode *)__pyx_v_self), ((PyObject *)__pyx_v_value));
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+static int __pyx_pf_3_sa_16ExtendedTrieNode_15phrase_location_2__set__(struct __pyx_obj_3_sa_ExtendedTrieNode *__pyx_v_self, PyObject *__pyx_v_value) {
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 }
 
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-static int __pyx_pw_8_cdec_sa_16ExtendedTrieNode_15phrase_location_5__del__(PyObject *__pyx_v_self) {
+static int __pyx_pw_3_sa_16ExtendedTrieNode_15phrase_location_5__del__(PyObject *__pyx_v_self); /*proto*/
+static int __pyx_pw_3_sa_16ExtendedTrieNode_15phrase_location_5__del__(PyObject *__pyx_v_self) {
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+  __pyx_r = __pyx_pf_3_sa_16ExtendedTrieNode_15phrase_location_4__del__(((struct __pyx_obj_3_sa_ExtendedTrieNode *)__pyx_v_self));
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-static int __pyx_pf_8_cdec_sa_16ExtendedTrieNode_15phrase_location_4__del__(struct __pyx_obj_8_cdec_sa_ExtendedTrieNode *__pyx_v_self) {
+static int __pyx_pf_3_sa_16ExtendedTrieNode_15phrase_location_4__del__(struct __pyx_obj_3_sa_ExtendedTrieNode *__pyx_v_self) {
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-static PyObject *__pyx_pw_8_cdec_sa_16ExtendedTrieNode_11suffix_link_1__get__(PyObject *__pyx_v_self) {
+static PyObject *__pyx_pw_3_sa_16ExtendedTrieNode_11suffix_link_1__get__(PyObject *__pyx_v_self); /*proto*/
+static PyObject *__pyx_pw_3_sa_16ExtendedTrieNode_11suffix_link_1__get__(PyObject *__pyx_v_self) {
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+  __pyx_r = __pyx_pf_3_sa_16ExtendedTrieNode_11suffix_link___get__(((struct __pyx_obj_3_sa_ExtendedTrieNode *)__pyx_v_self));
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-static PyObject *__pyx_pf_8_cdec_sa_16ExtendedTrieNode_11suffix_link___get__(struct __pyx_obj_8_cdec_sa_ExtendedTrieNode *__pyx_v_self) {
+static PyObject *__pyx_pf_3_sa_16ExtendedTrieNode_11suffix_link___get__(struct __pyx_obj_3_sa_ExtendedTrieNode *__pyx_v_self) {
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-static int __pyx_pw_8_cdec_sa_16ExtendedTrieNode_11suffix_link_3__set__(PyObject *__pyx_v_self, PyObject *__pyx_v_value) {
+static int __pyx_pw_3_sa_16ExtendedTrieNode_11suffix_link_3__set__(PyObject *__pyx_v_self, PyObject *__pyx_v_value); /*proto*/
+static int __pyx_pw_3_sa_16ExtendedTrieNode_11suffix_link_3__set__(PyObject *__pyx_v_self, PyObject *__pyx_v_value) {
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+  __pyx_r = __pyx_pf_3_sa_16ExtendedTrieNode_11suffix_link_2__set__(((struct __pyx_obj_3_sa_ExtendedTrieNode *)__pyx_v_self), ((PyObject *)__pyx_v_value));
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+static int __pyx_pf_3_sa_16ExtendedTrieNode_11suffix_link_2__set__(struct __pyx_obj_3_sa_ExtendedTrieNode *__pyx_v_self, PyObject *__pyx_v_value) {
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-static int __pyx_pw_8_cdec_sa_16ExtendedTrieNode_11suffix_link_5__del__(PyObject *__pyx_v_self) {
+static int __pyx_pw_3_sa_16ExtendedTrieNode_11suffix_link_5__del__(PyObject *__pyx_v_self); /*proto*/
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+  __pyx_r = __pyx_pf_3_sa_16ExtendedTrieNode_11suffix_link_4__del__(((struct __pyx_obj_3_sa_ExtendedTrieNode *)__pyx_v_self));
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 /* Python wrapper */
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 /* Python wrapper */
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-static int __pyx_pw_8_cdec_sa_9TrieTable_8extended_3__set__(PyObject *__pyx_v_self, PyObject *__pyx_v_value) {
+static int __pyx_pw_3_sa_9TrieTable_8extended_3__set__(PyObject *__pyx_v_self, PyObject *__pyx_v_value); /*proto*/
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 /* Python wrapper */
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-static PyObject *__pyx_pw_8_cdec_sa_9TrieTable_5count_1__get__(PyObject *__pyx_v_self) {
+static PyObject *__pyx_pw_3_sa_9TrieTable_5count_1__get__(PyObject *__pyx_v_self); /*proto*/
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-static PyObject *__pyx_pf_8_cdec_sa_9TrieTable_5count___get__(struct __pyx_obj_8_cdec_sa_TrieTable *__pyx_v_self) {
+static PyObject *__pyx_pf_3_sa_9TrieTable_5count___get__(struct __pyx_obj_3_sa_TrieTable *__pyx_v_self) {
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-  __Pyx_AddTraceback("_cdec_sa.TrieTable.count.__get__", __pyx_clineno, __pyx_lineno, __pyx_filename);
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 /* Python wrapper */
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+static int __pyx_pw_3_sa_9TrieTable_5count_3__set__(PyObject *__pyx_v_self, PyObject *__pyx_v_value); /*proto*/
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+  __pyx_r = __pyx_pf_3_sa_9TrieTable_5count_2__set__(((struct __pyx_obj_3_sa_TrieTable *)__pyx_v_self), ((PyObject *)__pyx_v_value));
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-static int __pyx_pf_8_cdec_sa_9TrieTable_5count_2__set__(struct __pyx_obj_8_cdec_sa_TrieTable *__pyx_v_self, PyObject *__pyx_v_value) {
+static int __pyx_pf_3_sa_9TrieTable_5count_2__set__(struct __pyx_obj_3_sa_TrieTable *__pyx_v_self, PyObject *__pyx_v_value) {
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-static PyObject *__pyx_pw_8_cdec_sa_9TrieTable_4root_1__get__(PyObject *__pyx_v_self) {
+static PyObject *__pyx_pw_3_sa_9TrieTable_4root_1__get__(PyObject *__pyx_v_self); /*proto*/
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+  __pyx_r = __pyx_pf_3_sa_9TrieTable_4root___get__(((struct __pyx_obj_3_sa_TrieTable *)__pyx_v_self));
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-static PyObject *__pyx_pf_8_cdec_sa_9TrieTable_4root___get__(struct __pyx_obj_8_cdec_sa_TrieTable *__pyx_v_self) {
+static PyObject *__pyx_pf_3_sa_9TrieTable_4root___get__(struct __pyx_obj_3_sa_TrieTable *__pyx_v_self) {
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 /* Python wrapper */
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-static int __pyx_pw_8_cdec_sa_9TrieTable_4root_3__set__(PyObject *__pyx_v_self, PyObject *__pyx_v_value) {
+static int __pyx_pw_3_sa_9TrieTable_4root_3__set__(PyObject *__pyx_v_self, PyObject *__pyx_v_value); /*proto*/
+static int __pyx_pw_3_sa_9TrieTable_4root_3__set__(PyObject *__pyx_v_self, PyObject *__pyx_v_value) {
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+  __pyx_r = __pyx_pf_3_sa_9TrieTable_4root_2__set__(((struct __pyx_obj_3_sa_TrieTable *)__pyx_v_self), ((PyObject *)__pyx_v_value));
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+static int __pyx_pf_3_sa_9TrieTable_4root_2__set__(struct __pyx_obj_3_sa_TrieTable *__pyx_v_self, PyObject *__pyx_v_value) {
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 /* Python wrapper */
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-static int __pyx_pw_8_cdec_sa_9TrieTable_4root_5__del__(PyObject *__pyx_v_self) {
+static int __pyx_pw_3_sa_9TrieTable_4root_5__del__(PyObject *__pyx_v_self); /*proto*/
+static int __pyx_pw_3_sa_9TrieTable_4root_5__del__(PyObject *__pyx_v_self) {
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+  __pyx_r = __pyx_pf_3_sa_9TrieTable_4root_4__del__(((struct __pyx_obj_3_sa_TrieTable *)__pyx_v_self));
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-static int __pyx_pf_8_cdec_sa_9TrieTable_4root_4__del__(struct __pyx_obj_8_cdec_sa_TrieTable *__pyx_v_self) {
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-static int __pyx_pw_8_cdec_sa_14PhraseLocation_1__cinit__(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
+static int __pyx_pw_3_sa_14PhraseLocation_1__cinit__(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
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-  __pyx_v_self->arr = ((struct __pyx_obj_8_cdec_sa_IntList *)__pyx_v_arr);
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   /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":75
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@@ -34585,7 +34878,7 @@ static int __pyx_pf_8_cdec_sa_14PhraseLocation___cinit__(struct __pyx_obj_8_cdec
   __pyx_r = 0;
   goto __pyx_L0;
   __pyx_L1_error:;
-  __Pyx_AddTraceback("_cdec_sa.PhraseLocation.__cinit__", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_AddTraceback("_sa.PhraseLocation.__cinit__", __pyx_clineno, __pyx_lineno, __pyx_filename);
   __pyx_r = -1;
   __pyx_L0:;
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@@ -34593,15 +34886,15 @@ static int __pyx_pf_8_cdec_sa_14PhraseLocation___cinit__(struct __pyx_obj_8_cdec
 }
 
 /* Python wrapper */
-static int __pyx_pw_8_cdec_sa_7Sampler_1__cinit__(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
-static int __pyx_pw_8_cdec_sa_7Sampler_1__cinit__(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
+static int __pyx_pw_3_sa_7Sampler_1__cinit__(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
+static int __pyx_pw_3_sa_7Sampler_1__cinit__(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
   int __pyx_v_sample_size;
-  struct __pyx_obj_8_cdec_sa_SuffixArray *__pyx_v_fsarray = 0;
-  static PyObject **__pyx_pyargnames[] = {&__pyx_n_s__sample_size,&__pyx_n_s__fsarray,0};
+  struct __pyx_obj_3_sa_SuffixArray *__pyx_v_fsarray = 0;
   int __pyx_r;
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("__cinit__ (wrapper)", 0);
   {
+    static PyObject **__pyx_pyargnames[] = {&__pyx_n_s__sample_size,&__pyx_n_s__fsarray,0};
     PyObject* values[2] = {0,0};
     if (unlikely(__pyx_kwds)) {
       Py_ssize_t kw_args;
@@ -34615,12 +34908,10 @@ static int __pyx_pw_8_cdec_sa_7Sampler_1__cinit__(PyObject *__pyx_v_self, PyObje
       kw_args = PyDict_Size(__pyx_kwds);
       switch (pos_args) {
         case  0:
-        values[0] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__sample_size);
-        if (likely(values[0])) kw_args--;
+        if (likely((values[0] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__sample_size)) != 0)) kw_args--;
         else goto __pyx_L5_argtuple_error;
         case  1:
-        values[1] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__fsarray);
-        if (likely(values[1])) kw_args--;
+        if (likely((values[1] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__fsarray)) != 0)) kw_args--;
         else {
           __Pyx_RaiseArgtupleInvalid("__cinit__", 1, 2, 2, 1); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 86; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
         }
@@ -34635,18 +34926,18 @@ static int __pyx_pw_8_cdec_sa_7Sampler_1__cinit__(PyObject *__pyx_v_self, PyObje
       values[1] = PyTuple_GET_ITEM(__pyx_args, 1);
     }
     __pyx_v_sample_size = __Pyx_PyInt_AsInt(values[0]); if (unlikely((__pyx_v_sample_size == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 86; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
-    __pyx_v_fsarray = ((struct __pyx_obj_8_cdec_sa_SuffixArray *)values[1]);
+    __pyx_v_fsarray = ((struct __pyx_obj_3_sa_SuffixArray *)values[1]);
   }
   goto __pyx_L4_argument_unpacking_done;
   __pyx_L5_argtuple_error:;
   __Pyx_RaiseArgtupleInvalid("__cinit__", 1, 2, 2, PyTuple_GET_SIZE(__pyx_args)); {__pyx_filename = __pyx_f[8]; __pyx_lineno = 86; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
   __pyx_L3_error:;
-  __Pyx_AddTraceback("_cdec_sa.Sampler.__cinit__", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_AddTraceback("_sa.Sampler.__cinit__", __pyx_clineno, __pyx_lineno, __pyx_filename);
   __Pyx_RefNannyFinishContext();
   return -1;
   __pyx_L4_argument_unpacking_done:;
-  if (unlikely(!__Pyx_ArgTypeTest(((PyObject *)__pyx_v_fsarray), __pyx_ptype_8_cdec_sa_SuffixArray, 1, "fsarray", 0))) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 86; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __pyx_r = __pyx_pf_8_cdec_sa_7Sampler___cinit__(((struct __pyx_obj_8_cdec_sa_Sampler *)__pyx_v_self), __pyx_v_sample_size, __pyx_v_fsarray);
+  if (unlikely(!__Pyx_ArgTypeTest(((PyObject *)__pyx_v_fsarray), __pyx_ptype_3_sa_SuffixArray, 1, "fsarray", 0))) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 86; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_r = __pyx_pf_3_sa_7Sampler___cinit__(((struct __pyx_obj_3_sa_Sampler *)__pyx_v_self), __pyx_v_sample_size, __pyx_v_fsarray);
   goto __pyx_L0;
   __pyx_L1_error:;
   __pyx_r = -1;
@@ -34663,7 +34954,7 @@ static int __pyx_pw_8_cdec_sa_7Sampler_1__cinit__(PyObject *__pyx_v_self, PyObje
  *         self.sa = fsarray.sa
  */
 
-static int __pyx_pf_8_cdec_sa_7Sampler___cinit__(struct __pyx_obj_8_cdec_sa_Sampler *__pyx_v_self, int __pyx_v_sample_size, struct __pyx_obj_8_cdec_sa_SuffixArray *__pyx_v_fsarray) {
+static int __pyx_pf_3_sa_7Sampler___cinit__(struct __pyx_obj_3_sa_Sampler *__pyx_v_self, int __pyx_v_sample_size, struct __pyx_obj_3_sa_SuffixArray *__pyx_v_fsarray) {
   int __pyx_r;
   __Pyx_RefNannyDeclarations
   int __pyx_t_1;
@@ -34763,7 +35054,7 @@ static int __pyx_pf_8_cdec_sa_7Sampler___cinit__(struct __pyx_obj_8_cdec_sa_Samp
   __Pyx_XDECREF(__pyx_t_2);
   __Pyx_XDECREF(__pyx_t_3);
   __Pyx_XDECREF(__pyx_t_4);
-  __Pyx_AddTraceback("_cdec_sa.Sampler.__cinit__", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_AddTraceback("_sa.Sampler.__cinit__", __pyx_clineno, __pyx_lineno, __pyx_filename);
   __pyx_r = -1;
   __pyx_L0:;
   __Pyx_RefNannyFinishContext();
@@ -34771,14 +35062,14 @@ static int __pyx_pf_8_cdec_sa_7Sampler___cinit__(struct __pyx_obj_8_cdec_sa_Samp
 }
 
 /* Python wrapper */
-static PyObject *__pyx_pw_8_cdec_sa_7Sampler_3sample(PyObject *__pyx_v_self, PyObject *__pyx_v_phrase_location); /*proto*/
-static char __pyx_doc_8_cdec_sa_7Sampler_2sample[] = "Returns a sample of the locations for\n        the phrase.    If there are less than self.sample_size\n        locations, return all of them; otherwise, return\n        up to self.sample_size locations.    In the latter case,\n        we choose to sample UNIFORMLY -- that is, the locations\n        are chosen at uniform intervals over the entire set, rather\n        than randomly.    This makes the algorithm deterministic, which\n        is good for things like MERT";
-static PyObject *__pyx_pw_8_cdec_sa_7Sampler_3sample(PyObject *__pyx_v_self, PyObject *__pyx_v_phrase_location) {
+static PyObject *__pyx_pw_3_sa_7Sampler_3sample(PyObject *__pyx_v_self, PyObject *__pyx_v_phrase_location); /*proto*/
+static char __pyx_doc_3_sa_7Sampler_2sample[] = "Returns a sample of the locations for\n        the phrase.    If there are less than self.sample_size\n        locations, return all of them; otherwise, return\n        up to self.sample_size locations.    In the latter case,\n        we choose to sample UNIFORMLY -- that is, the locations\n        are chosen at uniform intervals over the entire set, rather\n        than randomly.    This makes the algorithm deterministic, which\n        is good for things like MERT";
+static PyObject *__pyx_pw_3_sa_7Sampler_3sample(PyObject *__pyx_v_self, PyObject *__pyx_v_phrase_location) {
   PyObject *__pyx_r = 0;
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("sample (wrapper)", 0);
-  if (unlikely(!__Pyx_ArgTypeTest(((PyObject *)__pyx_v_phrase_location), __pyx_ptype_8_cdec_sa_PhraseLocation, 1, "phrase_location", 0))) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 94; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __pyx_r = __pyx_pf_8_cdec_sa_7Sampler_2sample(((struct __pyx_obj_8_cdec_sa_Sampler *)__pyx_v_self), ((struct __pyx_obj_8_cdec_sa_PhraseLocation *)__pyx_v_phrase_location));
+  if (unlikely(!__Pyx_ArgTypeTest(((PyObject *)__pyx_v_phrase_location), __pyx_ptype_3_sa_PhraseLocation, 1, "phrase_location", 0))) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 94; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_r = __pyx_pf_3_sa_7Sampler_2sample(((struct __pyx_obj_3_sa_Sampler *)__pyx_v_self), ((struct __pyx_obj_3_sa_PhraseLocation *)__pyx_v_phrase_location));
   goto __pyx_L0;
   __pyx_L1_error:;
   __pyx_r = NULL;
@@ -34795,8 +35086,8 @@ static PyObject *__pyx_pw_8_cdec_sa_7Sampler_3sample(PyObject *__pyx_v_self, PyO
  *         the phrase.    If there are less than self.sample_size
  */
 
-static PyObject *__pyx_pf_8_cdec_sa_7Sampler_2sample(struct __pyx_obj_8_cdec_sa_Sampler *__pyx_v_self, struct __pyx_obj_8_cdec_sa_PhraseLocation *__pyx_v_phrase_location) {
-  struct __pyx_obj_8_cdec_sa_IntList *__pyx_v_sample = 0;
+static PyObject *__pyx_pf_3_sa_7Sampler_2sample(struct __pyx_obj_3_sa_Sampler *__pyx_v_self, struct __pyx_obj_3_sa_PhraseLocation *__pyx_v_phrase_location) {
+  struct __pyx_obj_3_sa_IntList *__pyx_v_sample = 0;
   double __pyx_v_i;
   double __pyx_v_stepsize;
   int __pyx_v_num_locations;
@@ -34821,9 +35112,9 @@ static PyObject *__pyx_pf_8_cdec_sa_7Sampler_2sample(struct __pyx_obj_8_cdec_sa_
  *         if phrase_location.arr is None:
  *             num_locations = phrase_location.sa_high - phrase_location.sa_low
  */
-  __pyx_t_1 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_8_cdec_sa_IntList)), ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 107; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_IntList)), ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 107; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_1);
-  __pyx_v_sample = ((struct __pyx_obj_8_cdec_sa_IntList *)__pyx_t_1);
+  __pyx_v_sample = ((struct __pyx_obj_3_sa_IntList *)__pyx_t_1);
   __pyx_t_1 = 0;
 
   /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":108
@@ -34868,7 +35159,7 @@ static PyObject *__pyx_pf_8_cdec_sa_7Sampler_2sample(struct __pyx_obj_8_cdec_sa_
  *             else:
  *                 stepsize = float(num_locations)/float(self.sample_size)
  */
-      ((struct __pyx_vtabstruct_8_cdec_sa_IntList *)__pyx_v_sample->__pyx_vtab)->_extend_arr(__pyx_v_sample, (__pyx_v_self->sa->arr + __pyx_v_phrase_location->sa_low), __pyx_v_num_locations);
+      ((struct __pyx_vtabstruct_3_sa_IntList *)__pyx_v_sample->__pyx_vtab)->_extend_arr(__pyx_v_sample, (__pyx_v_self->sa->arr + __pyx_v_phrase_location->sa_low), __pyx_v_num_locations);
       goto __pyx_L4;
     }
     /*else*/ {
@@ -34952,7 +35243,7 @@ static PyObject *__pyx_pf_8_cdec_sa_7Sampler_2sample(struct __pyx_obj_8_cdec_sa_
  *                     i = i + stepsize
  *         else:
  */
-        ((struct __pyx_vtabstruct_8_cdec_sa_IntList *)__pyx_v_sample->__pyx_vtab)->_append(__pyx_v_sample, (__pyx_v_self->sa->arr[__pyx_v_val]));
+        ((struct __pyx_vtabstruct_3_sa_IntList *)__pyx_v_sample->__pyx_vtab)->_append(__pyx_v_sample, (__pyx_v_self->sa->arr[__pyx_v_val]));
 
         /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":123
  *                         val = int(floor(i))
@@ -35105,7 +35396,7 @@ static PyObject *__pyx_pf_8_cdec_sa_7Sampler_2sample(struct __pyx_obj_8_cdec_sa_
  *                     i = i + stepsize
  *         return sample
  */
-        ((struct __pyx_vtabstruct_8_cdec_sa_IntList *)__pyx_v_sample->__pyx_vtab)->_extend_arr(__pyx_v_sample, (__pyx_v_phrase_location->arr->arr + __pyx_v_j), __pyx_v_phrase_location->num_subpatterns);
+        ((struct __pyx_vtabstruct_3_sa_IntList *)__pyx_v_sample->__pyx_vtab)->_extend_arr(__pyx_v_sample, (__pyx_v_phrase_location->arr->arr + __pyx_v_j), __pyx_v_phrase_location->num_subpatterns);
 
         /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":140
  *                     j = phrase_location.arr_low + (val*phrase_location.num_subpatterns)
@@ -35137,7 +35428,7 @@ static PyObject *__pyx_pf_8_cdec_sa_7Sampler_2sample(struct __pyx_obj_8_cdec_sa_
   goto __pyx_L0;
   __pyx_L1_error:;
   __Pyx_XDECREF(__pyx_t_1);
-  __Pyx_AddTraceback("_cdec_sa.Sampler.sample", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_AddTraceback("_sa.Sampler.sample", __pyx_clineno, __pyx_lineno, __pyx_filename);
   __pyx_r = NULL;
   __pyx_L0:;
   __Pyx_XDECREF((PyObject *)__pyx_v_sample);
@@ -35154,7 +35445,7 @@ static PyObject *__pyx_pf_8_cdec_sa_7Sampler_2sample(struct __pyx_obj_8_cdec_sa_
  *     m.start = start
  */
 
-static void __pyx_f_8_cdec_sa_assign_matching(struct __pyx_t_8_cdec_sa_Matching *__pyx_v_m, int *__pyx_v_arr, int __pyx_v_start, int __pyx_v_step, int *__pyx_v_sent_id_arr) {
+static void __pyx_f_3_sa_assign_matching(struct __pyx_t_3_sa_Matching *__pyx_v_m, int *__pyx_v_arr, int __pyx_v_start, int __pyx_v_step, int *__pyx_v_sent_id_arr) {
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("assign_matching", 0);
 
@@ -35214,7 +35505,7 @@ static void __pyx_f_8_cdec_sa_assign_matching(struct __pyx_t_8_cdec_sa_Matching
  *     cdef int i, new_len
  */
 
-static int *__pyx_f_8_cdec_sa_append_combined_matching(int *__pyx_v_arr, struct __pyx_t_8_cdec_sa_Matching *__pyx_v_loc1, struct __pyx_t_8_cdec_sa_Matching *__pyx_v_loc2, CYTHON_UNUSED int __pyx_v_offset_by_one, int __pyx_v_num_subpatterns, int *__pyx_v_result_len) {
+static int *__pyx_f_3_sa_append_combined_matching(int *__pyx_v_arr, struct __pyx_t_3_sa_Matching *__pyx_v_loc1, struct __pyx_t_3_sa_Matching *__pyx_v_loc2, CYTHON_UNUSED int __pyx_v_offset_by_one, int __pyx_v_num_subpatterns, int *__pyx_v_result_len) {
   int __pyx_v_i;
   int __pyx_v_new_len;
   int *__pyx_r;
@@ -35316,7 +35607,7 @@ static int *__pyx_f_8_cdec_sa_append_combined_matching(int *__pyx_v_arr, struct
  * 
  */
 
-static int *__pyx_f_8_cdec_sa_extend_arr(int *__pyx_v_arr, int *__pyx_v_arr_len, int *__pyx_v_appendix, int __pyx_v_appendix_len) {
+static int *__pyx_f_3_sa_extend_arr(int *__pyx_v_arr, int *__pyx_v_arr_len, int *__pyx_v_appendix, int __pyx_v_appendix_len) {
   int __pyx_v_new_len;
   int *__pyx_r;
   __Pyx_RefNannyDeclarations
@@ -35382,7 +35673,7 @@ static int *__pyx_f_8_cdec_sa_extend_arr(int *__pyx_v_arr, int *__pyx_v_arr_len,
  * 
  */
 
-static int __pyx_f_8_cdec_sa_median(int __pyx_v_low, int __pyx_v_high, int __pyx_v_step) {
+static int __pyx_f_3_sa_median(int __pyx_v_low, int __pyx_v_high, int __pyx_v_step) {
   int __pyx_r;
   __Pyx_RefNannyDeclarations
   int __pyx_t_1;
@@ -35413,7 +35704,7 @@ static int __pyx_f_8_cdec_sa_median(int __pyx_v_low, int __pyx_v_high, int __pyx
   __pyx_r = 0;
   goto __pyx_L0;
   __pyx_L1_error:;
-  __Pyx_WriteUnraisable("_cdec_sa.median", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_WriteUnraisable("_sa.median", __pyx_clineno, __pyx_lineno, __pyx_filename);
   __pyx_r = 0;
   __pyx_L0:;
   __Pyx_RefNannyFinishContext();
@@ -35428,7 +35719,7 @@ static int __pyx_f_8_cdec_sa_median(int __pyx_v_low, int __pyx_v_high, int __pyx
  *     # in which all matchings have the same first index as the one
  */
 
-static void __pyx_f_8_cdec_sa_find_comparable_matchings(int __pyx_v_low, int __pyx_v_high, int *__pyx_v_arr, int __pyx_v_step, int __pyx_v_loc, int *__pyx_v_loc_minus, int *__pyx_v_loc_plus) {
+static void __pyx_f_3_sa_find_comparable_matchings(int __pyx_v_low, int __pyx_v_high, int *__pyx_v_arr, int __pyx_v_step, int __pyx_v_loc, int *__pyx_v_loc_minus, int *__pyx_v_loc_plus) {
   __Pyx_RefNannyDeclarations
   int __pyx_t_1;
   int __pyx_t_2;
@@ -35511,9 +35802,9 @@ static void __pyx_f_8_cdec_sa_find_comparable_matchings(int __pyx_v_low, int __p
 }
 
 /* Python wrapper */
-static int __pyx_pw_8_cdec_sa_23HieroCachingRuleFactory_1__cinit__(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
-static int __pyx_pw_8_cdec_sa_23HieroCachingRuleFactory_1__cinit__(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
-  struct __pyx_obj_8_cdec_sa_Alignment *__pyx_v_alignment = 0;
+static int __pyx_pw_3_sa_23HieroCachingRuleFactory_1__cinit__(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
+static int __pyx_pw_3_sa_23HieroCachingRuleFactory_1__cinit__(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
+  struct __pyx_obj_3_sa_Alignment *__pyx_v_alignment = 0;
   float __pyx_v_by_slack_factor;
   char *__pyx_v_category;
   PyObject *__pyx_v_max_chunks = 0;
@@ -35534,11 +35825,11 @@ static int __pyx_pw_8_cdec_sa_23HieroCachingRuleFactory_1__cinit__(PyObject *__p
   int __pyx_v_use_baeza_yates;
   int __pyx_v_use_collocations;
   int __pyx_v_use_index;
-  static PyObject **__pyx_pyargnames[] = {&__pyx_n_s__alignment,&__pyx_n_s__by_slack_factor,&__pyx_n_s__category,&__pyx_n_s__max_chunks,&__pyx_n_s__max_initial_size,&__pyx_n_s__max_length,&__pyx_n_s__max_nonterminals,&__pyx_n_s__max_target_chunks,&__pyx_n_s__max_target_length,&__pyx_n_s__min_gap_size,&__pyx_n_s__precompute_file,&__pyx_n_s_68,&__pyx_n_s__precompute_rank,&__pyx_n_s_101,&__pyx_n_s_102,&__pyx_n_s_69,&__pyx_n_s__train_min_gap_size,&__pyx_n_s__tight_phrases,&__pyx_n_s__use_baeza_yates,&__pyx_n_s__use_collocations,&__pyx_n_s__use_index,0};
   int __pyx_r;
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("__cinit__ (wrapper)", 0);
   {
+    static PyObject **__pyx_pyargnames[] = {&__pyx_n_s__alignment,&__pyx_n_s__by_slack_factor,&__pyx_n_s__category,&__pyx_n_s__max_chunks,&__pyx_n_s__max_initial_size,&__pyx_n_s__max_length,&__pyx_n_s__max_nonterminals,&__pyx_n_s__max_target_chunks,&__pyx_n_s__max_target_length,&__pyx_n_s__min_gap_size,&__pyx_n_s__precompute_file,&__pyx_n_s_68,&__pyx_n_s__precompute_rank,&__pyx_n_s_101,&__pyx_n_s_102,&__pyx_n_s_69,&__pyx_n_s__train_min_gap_size,&__pyx_n_s__tight_phrases,&__pyx_n_s__use_baeza_yates,&__pyx_n_s__use_collocations,&__pyx_n_s__use_index,0};
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     /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":257
@@ -35607,8 +35898,7 @@ static int __pyx_pw_8_cdec_sa_23HieroCachingRuleFactory_1__cinit__(PyObject *__p
       kw_args = PyDict_Size(__pyx_kwds);
       switch (pos_args) {
         case  0:
-        values[0] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__alignment);
-        if (likely(values[0])) kw_args--;
+        if (likely((values[0] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__alignment)) != 0)) kw_args--;
         else goto __pyx_L5_argtuple_error;
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@@ -35714,126 +36004,6 @@ static int __pyx_pw_8_cdec_sa_23HieroCachingRuleFactory_1__cinit__(PyObject *__p
       if (unlikely(kw_args > 0)) {
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-      if (values[1]) {
-      } else {
-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":253
- *             Alignment alignment,
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- *             # name of generic nonterminal used by Hiero
- *             char* category="[X]",
- */
-        __pyx_v_by_slack_factor = ((float)1.0);
-      }
-      if (values[2]) {
-      } else {
-        __pyx_v_category = ((char *)__pyx_k_103);
-      }
-      if (values[4]) {
-      } else {
-        __pyx_v_max_initial_size = ((unsigned int)10);
-      }
-      if (values[5]) {
-      } else {
-        __pyx_v_max_length = ((unsigned int)5);
-      }
-      if (values[6]) {
-      } else {
-        __pyx_v_max_nonterminals = ((unsigned int)2);
-      }
-      if (values[9]) {
-      } else {
-        __pyx_v_min_gap_size = ((unsigned int)2);
-      }
-      if (values[11]) {
-      } else {
-        __pyx_v_precompute_secondary_rank = ((unsigned int)20);
-      }
-      if (values[12]) {
-      } else {
-        __pyx_v_precompute_rank = ((unsigned int)100);
-      }
-      if (values[13]) {
-      } else {
-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":277
- *             unsigned precompute_rank=100,
- *             # require extracted rules to have at least one aligned word
- *             bint require_aligned_terminal=True,             # <<<<<<<<<<<<<<
- *             # require each contiguous chunk of extracted rules to have at least one aligned word
- *             bint require_aligned_chunks=False,
- */
-        __pyx_v_require_aligned_terminal = ((int)1);
-      }
-      if (values[14]) {
-      } else {
-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":279
- *             bint require_aligned_terminal=True,
- *             # require each contiguous chunk of extracted rules to have at least one aligned word
- *             bint require_aligned_chunks=False,             # <<<<<<<<<<<<<<
- *             # maximum span of a grammar rule extracted from TRAINING DATA
- *             unsigned train_max_initial_size=10,
- */
-        __pyx_v_require_aligned_chunks = ((int)0);
-      }
-      if (values[15]) {
-      } else {
-        __pyx_v_train_max_initial_size = ((unsigned int)10);
-      }
-      if (values[16]) {
-      } else {
-        __pyx_v_train_min_gap_size = ((unsigned int)2);
-      }
-      if (values[17]) {
-      } else {
-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":285
- *             unsigned train_min_gap_size=2,
- *             # True if phrases should be tight, False otherwise (False == slower but better results)
- *             bint tight_phrases=False,             # <<<<<<<<<<<<<<
- *             # True to require use of double-binary alg, false otherwise
- *             bint use_baeza_yates=True,
- */
-        __pyx_v_tight_phrases = ((int)0);
-      }
-      if (values[18]) {
-      } else {
-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":287
- *             bint tight_phrases=False,
- *             # True to require use of double-binary alg, false otherwise
- *             bint use_baeza_yates=True,             # <<<<<<<<<<<<<<
- *             # True to enable used of precomputed collocations
- *             bint use_collocations=True,
- */
-        __pyx_v_use_baeza_yates = ((int)1);
-      }
-      if (values[19]) {
-      } else {
-
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":289
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- *             # True to enable used of precomputed collocations
- *             bint use_collocations=True,             # <<<<<<<<<<<<<<
- *             # True to enable use of precomputed inverted indices
- *             bint use_index=True):
- */
-        __pyx_v_use_collocations = ((int)1);
-      }
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-      } else {
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-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":291
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- *             # True to enable use of precomputed inverted indices
- *             bint use_index=True):             # <<<<<<<<<<<<<<
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@@ -35861,7 +36031,7 @@ static int __pyx_pw_8_cdec_sa_23HieroCachingRuleFactory_1__cinit__(PyObject *__p
         default: goto __pyx_L5_argtuple_error;
       }
     }
-    __pyx_v_alignment = ((struct __pyx_obj_8_cdec_sa_Alignment *)values[0]);
+    __pyx_v_alignment = ((struct __pyx_obj_3_sa_Alignment *)values[0]);
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@@ -36007,12 +36177,12 @@ static int __pyx_pw_8_cdec_sa_23HieroCachingRuleFactory_1__cinit__(PyObject *__p
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   __pyx_L3_error:;
-  __Pyx_AddTraceback("_cdec_sa.HieroCachingRuleFactory.__cinit__", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_AddTraceback("_sa.HieroCachingRuleFactory.__cinit__", __pyx_clineno, __pyx_lineno, __pyx_filename);
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+  if (unlikely(!__Pyx_ArgTypeTest(((PyObject *)__pyx_v_alignment), __pyx_ptype_3_sa_Alignment, 1, "alignment", 0))) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 251; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_r = __pyx_pf_3_sa_23HieroCachingRuleFactory___cinit__(((struct __pyx_obj_3_sa_HieroCachingRuleFactory *)__pyx_v_self), __pyx_v_alignment, __pyx_v_by_slack_factor, __pyx_v_category, __pyx_v_max_chunks, __pyx_v_max_initial_size, __pyx_v_max_length, __pyx_v_max_nonterminals, __pyx_v_max_target_chunks, __pyx_v_max_target_length, __pyx_v_min_gap_size, __pyx_v_precompute_file, __pyx_v_precompute_secondary_rank, __pyx_v_precompute_rank, __pyx_v_require_aligned_terminal, __pyx_v_require_aligned_chunks, __pyx_v_train_max_initial_size, __pyx_v_train_min_gap_size, __pyx_v_tight_phrases, __pyx_v_use_baeza_yates, __pyx_v_use_collocations, __pyx_v_use_index);
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@@ -36029,7 +36199,7 @@ static int __pyx_pw_8_cdec_sa_23HieroCachingRuleFactory_1__cinit__(PyObject *__p
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+static int __pyx_pf_3_sa_23HieroCachingRuleFactory___cinit__(struct __pyx_obj_3_sa_HieroCachingRuleFactory *__pyx_v_self, struct __pyx_obj_3_sa_Alignment *__pyx_v_alignment, float __pyx_v_by_slack_factor, char *__pyx_v_category, PyObject *__pyx_v_max_chunks, unsigned int __pyx_v_max_initial_size, unsigned int __pyx_v_max_length, unsigned int __pyx_v_max_nonterminals, PyObject *__pyx_v_max_target_chunks, PyObject *__pyx_v_max_target_length, unsigned int __pyx_v_min_gap_size, PyObject *__pyx_v_precompute_file, unsigned int __pyx_v_precompute_secondary_rank, unsigned int __pyx_v_precompute_rank, int __pyx_v_require_aligned_terminal, int __pyx_v_require_aligned_chunks, unsigned int __pyx_v_train_max_initial_size, unsigned int __pyx_v_train_min_gap_size, int __pyx_v_tight_phrases, int __pyx_v_use_baeza_yates, int __pyx_v_use_collocations, int __pyx_v_use_index) {
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@@ -36057,13 +36227,13 @@ static int __pyx_pf_8_cdec_sa_23HieroCachingRuleFactory___cinit__(struct __pyx_o
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   __Pyx_GIVEREF(__pyx_t_1);
   __pyx_t_1 = 0;
-  __pyx_t_1 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_8_cdec_sa_TrieTable)), ((PyObject *)__pyx_t_2), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 297; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_TrieTable)), ((PyObject *)__pyx_t_2), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 297; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-  __pyx_v_self->rules = ((struct __pyx_obj_8_cdec_sa_TrieTable *)__pyx_t_1);
+  __pyx_v_self->rules = ((struct __pyx_obj_3_sa_TrieTable *)__pyx_t_1);
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+  __pyx_t_2 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_PhraseLocation)), ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 298; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+  __pyx_t_2 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_ExtendedTrieNode)), ((PyObject *)__pyx_empty_tuple), ((PyObject *)__pyx_t_1)); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 298; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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@@ -36558,13 +36728,13 @@ static int __pyx_pf_8_cdec_sa_23HieroCachingRuleFactory___cinit__(struct __pyx_o
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-  __pyx_t_5 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_8_cdec_sa_IntList)), ((PyObject *)__pyx_empty_tuple), ((PyObject *)__pyx_t_4)); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 359; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_5 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_IntList)), ((PyObject *)__pyx_empty_tuple), ((PyObject *)__pyx_t_4)); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 359; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-  __pyx_v_self->findexes = ((struct __pyx_obj_8_cdec_sa_IntList *)__pyx_t_5);
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+  __pyx_t_4 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_IntList)), ((PyObject *)__pyx_empty_tuple), ((PyObject *)__pyx_t_5)); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 360; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-  __pyx_v_self->findexes1 = ((struct __pyx_obj_8_cdec_sa_IntList *)__pyx_t_4);
+  __pyx_v_self->findexes1 = ((struct __pyx_obj_3_sa_IntList *)__pyx_t_4);
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-        values[2] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__sampler);
-        if (likely(values[2])) kw_args--;
+        if (likely((values[2] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__sampler)) != 0)) kw_args--;
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-    __pyx_v_sampler = ((struct __pyx_obj_8_cdec_sa_Sampler *)values[2]);
+    __pyx_v_fsarray = ((struct __pyx_obj_3_sa_SuffixArray *)values[0]);
+    __pyx_v_edarray = ((struct __pyx_obj_3_sa_DataArray *)values[1]);
+    __pyx_v_sampler = ((struct __pyx_obj_3_sa_Sampler *)values[2]);
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-  __pyx_v_self->eid2symid = ((struct __pyx_obj_8_cdec_sa_IntList *)__pyx_t_1);
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-  __Pyx_AddTraceback("_cdec_sa.HieroCachingRuleFactory.configure", __pyx_clineno, __pyx_lineno, __pyx_filename);
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+static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_set_idmap(CYTHON_UNUSED struct __pyx_obj_3_sa_HieroCachingRuleFactory *__pyx_v_self, struct __pyx_obj_3_sa_DataArray *__pyx_v_darray) {
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   int __pyx_v_N;
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+  __pyx_t_3 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_IntList)), ((PyObject *)__pyx_empty_tuple), ((PyObject *)__pyx_t_1)); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 379; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-  __pyx_v_idmap = ((struct __pyx_obj_8_cdec_sa_IntList *)__pyx_t_3);
+  __pyx_v_idmap = ((struct __pyx_obj_3_sa_IntList *)__pyx_t_3);
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-static PyObject *__pyx_pw_8_cdec_sa_23HieroCachingRuleFactory_5pattern2phrase(PyObject *__pyx_v_self, PyObject *__pyx_v_pattern) {
+static PyObject *__pyx_pw_3_sa_23HieroCachingRuleFactory_5pattern2phrase(PyObject *__pyx_v_self, PyObject *__pyx_v_pattern); /*proto*/
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+  __pyx_r = __pyx_pf_3_sa_23HieroCachingRuleFactory_4pattern2phrase(((struct __pyx_obj_3_sa_HieroCachingRuleFactory *)__pyx_v_self), ((PyObject *)__pyx_v_pattern));
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-static PyObject *__pyx_pw_8_cdec_sa_23HieroCachingRuleFactory_7pattern2phrase_plus(PyObject *__pyx_v_self, PyObject *__pyx_v_pattern) {
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+static PyObject *__pyx_pw_3_sa_23HieroCachingRuleFactory_7pattern2phrase_plus(PyObject *__pyx_v_self, PyObject *__pyx_v_pattern) {
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+  __pyx_r = __pyx_pf_3_sa_23HieroCachingRuleFactory_6pattern2phrase_plus(((struct __pyx_obj_3_sa_HieroCachingRuleFactory *)__pyx_v_self), ((PyObject *)__pyx_v_pattern));
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+static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_6pattern2phrase_plus(struct __pyx_obj_3_sa_HieroCachingRuleFactory *__pyx_v_self, PyObject *__pyx_v_pattern) {
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 /* Python wrapper */
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-static PyObject *__pyx_pw_8_cdec_sa_23HieroCachingRuleFactory_9precompute(PyObject *__pyx_v_self, CYTHON_UNUSED PyObject *unused) {
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+        __pyx_t_9 = __Pyx_dict_iter_next(__pyx_t_5, __pyx_t_6, &__pyx_t_7, &__pyx_t_2, &__pyx_t_3, NULL, __pyx_t_8);
+        if (unlikely(__pyx_t_9 == 0)) break;
+        if (unlikely(__pyx_t_9 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 441; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __Pyx_GOTREF(__pyx_t_2);
+        __Pyx_GOTREF(__pyx_t_3);
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-        __pyx_v_pattern = __pyx_t_4;
-        __pyx_t_4 = 0;
-        __Pyx_XDECREF(__pyx_v_arr);
-        __pyx_v_arr = __pyx_t_2;
+        __pyx_v_pattern = __pyx_t_2;
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+        __Pyx_XDECREF(__pyx_v_arr);
+        __pyx_v_arr = __pyx_t_3;
+        __pyx_t_3 = 0;
 
         /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":442
  *                 logger.info("Converting %d hash keys on precomputed collocations... ", len(pre.precomputed_collocations))
@@ -38152,9 +38227,9 @@ static PyObject *__pyx_pf_8_cdec_sa_23HieroCachingRuleFactory_8precompute(struct
         if (PyObject_SetItem(__pyx_v_self->precomputed_collocations, __pyx_v_phrase, __pyx_v_arr) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 443; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       }
       __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
-      goto __pyx_L15;
+      goto __pyx_L13;
     }
-    __pyx_L15:;
+    __pyx_L13:;
 
     /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":444
  *                     phrase = self.pattern2phrase(pattern)
@@ -38163,7 +38238,7 @@ static PyObject *__pyx_pf_8_cdec_sa_23HieroCachingRuleFactory_8precompute(struct
  *             logger.info("Processing precomputations took %f seconds", stop_time - start_time)
  * 
  */
-    __pyx_t_5 = PyFloat_FromDouble(__pyx_f_8_cdec_sa_monitor_cpu()); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 444; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_5 = PyFloat_FromDouble(__pyx_f_3_sa_monitor_cpu()); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 444; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_5);
     __pyx_v_stop_time = __pyx_t_5;
     __pyx_t_5 = 0;
@@ -38206,8 +38281,7 @@ static PyObject *__pyx_pf_8_cdec_sa_23HieroCachingRuleFactory_8precompute(struct
   __Pyx_XDECREF(__pyx_t_3);
   __Pyx_XDECREF(__pyx_t_4);
   __Pyx_XDECREF(__pyx_t_5);
-  __Pyx_XDECREF(__pyx_t_8);
-  __Pyx_AddTraceback("_cdec_sa.HieroCachingRuleFactory.precompute", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_AddTraceback("_sa.HieroCachingRuleFactory.precompute", __pyx_clineno, __pyx_lineno, __pyx_filename);
   __pyx_r = NULL;
   __pyx_L0:;
   __Pyx_XDECREF((PyObject *)__pyx_v_pre);
@@ -38223,12 +38297,12 @@ static PyObject *__pyx_pf_8_cdec_sa_23HieroCachingRuleFactory_8precompute(struct
 }
 
 /* Python wrapper */
-static PyObject *__pyx_pw_8_cdec_sa_23HieroCachingRuleFactory_11get_precomputed_collocation(PyObject *__pyx_v_self, PyObject *__pyx_v_phrase); /*proto*/
-static PyObject *__pyx_pw_8_cdec_sa_23HieroCachingRuleFactory_11get_precomputed_collocation(PyObject *__pyx_v_self, PyObject *__pyx_v_phrase) {
+static PyObject *__pyx_pw_3_sa_23HieroCachingRuleFactory_11get_precomputed_collocation(PyObject *__pyx_v_self, PyObject *__pyx_v_phrase); /*proto*/
+static PyObject *__pyx_pw_3_sa_23HieroCachingRuleFactory_11get_precomputed_collocation(PyObject *__pyx_v_self, PyObject *__pyx_v_phrase) {
   PyObject *__pyx_r = 0;
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("get_precomputed_collocation (wrapper)", 0);
-  __pyx_r = __pyx_pf_8_cdec_sa_23HieroCachingRuleFactory_10get_precomputed_collocation(((struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *)__pyx_v_self), ((PyObject *)__pyx_v_phrase));
+  __pyx_r = __pyx_pf_3_sa_23HieroCachingRuleFactory_10get_precomputed_collocation(((struct __pyx_obj_3_sa_HieroCachingRuleFactory *)__pyx_v_self), ((PyObject *)__pyx_v_phrase));
   __Pyx_RefNannyFinishContext();
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 }
@@ -38241,7 +38315,7 @@ static PyObject *__pyx_pw_8_cdec_sa_23HieroCachingRuleFactory_11get_precomputed_
  *             arr = self.precomputed_collocations[phrase]
  */
 
-static PyObject *__pyx_pf_8_cdec_sa_23HieroCachingRuleFactory_10get_precomputed_collocation(struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *__pyx_v_self, PyObject *__pyx_v_phrase) {
+static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_10get_precomputed_collocation(struct __pyx_obj_3_sa_HieroCachingRuleFactory *__pyx_v_self, PyObject *__pyx_v_phrase) {
   PyObject *__pyx_v_arr = NULL;
   PyObject *__pyx_r = NULL;
   __Pyx_RefNannyDeclarations
@@ -38304,7 +38378,7 @@ static PyObject *__pyx_pf_8_cdec_sa_23HieroCachingRuleFactory_10get_precomputed_
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     if (PyDict_SetItem(__pyx_t_2, ((PyObject *)__pyx_n_s__num_subpatterns), __pyx_t_4) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 451; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
-    __pyx_t_4 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_8_cdec_sa_PhraseLocation)), ((PyObject *)__pyx_empty_tuple), ((PyObject *)__pyx_t_2)); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 451; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_4 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_PhraseLocation)), ((PyObject *)__pyx_empty_tuple), ((PyObject *)__pyx_t_2)); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 451; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_4);
     __Pyx_DECREF(((PyObject *)__pyx_t_2)); __pyx_t_2 = 0;
     __pyx_r = __pyx_t_4;
@@ -38332,7 +38406,7 @@ static PyObject *__pyx_pf_8_cdec_sa_23HieroCachingRuleFactory_10get_precomputed_
   __Pyx_XDECREF(__pyx_t_2);
   __Pyx_XDECREF(__pyx_t_4);
   __Pyx_XDECREF(__pyx_t_5);
-  __Pyx_AddTraceback("_cdec_sa.HieroCachingRuleFactory.get_precomputed_collocation", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_AddTraceback("_sa.HieroCachingRuleFactory.get_precomputed_collocation", __pyx_clineno, __pyx_lineno, __pyx_filename);
   __pyx_r = NULL;
   __pyx_L0:;
   __Pyx_XDECREF(__pyx_v_arr);
@@ -38349,7 +38423,7 @@ static PyObject *__pyx_pf_8_cdec_sa_23HieroCachingRuleFactory_10get_precomputed_
  *                         int offset_by_one, int len_last, int num_subpatterns, int* result_len):
  */
 
-static int *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *__pyx_v_self, int __pyx_v_low1, int __pyx_v_high1, int *__pyx_v_arr1, int __pyx_v_step1, int __pyx_v_low2, int __pyx_v_high2, int *__pyx_v_arr2, int __pyx_v_step2, int __pyx_v_offset_by_one, int __pyx_v_len_last, int __pyx_v_num_subpatterns, int *__pyx_v_result_len) {
+static int *__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper(struct __pyx_obj_3_sa_HieroCachingRuleFactory *__pyx_v_self, int __pyx_v_low1, int __pyx_v_high1, int *__pyx_v_arr1, int __pyx_v_step1, int __pyx_v_low2, int __pyx_v_high2, int *__pyx_v_arr2, int __pyx_v_step2, int __pyx_v_offset_by_one, int __pyx_v_len_last, int __pyx_v_num_subpatterns, int *__pyx_v_result_len) {
   int __pyx_v_i1;
   int __pyx_v_i2;
   int __pyx_v_med1;
@@ -38372,8 +38446,8 @@ static int *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_baeza_yates_helper(struc
   int *__pyx_v_low_result;
   int *__pyx_v_med_result;
   int *__pyx_v_high_result;
-  struct __pyx_t_8_cdec_sa_Matching __pyx_v_loc1;
-  struct __pyx_t_8_cdec_sa_Matching __pyx_v_loc2;
+  struct __pyx_t_3_sa_Matching __pyx_v_loc1;
+  struct __pyx_t_3_sa_Matching __pyx_v_loc2;
   int *__pyx_r;
   __Pyx_RefNannyDeclarations
   int __pyx_t_1;
@@ -38463,7 +38537,7 @@ static int *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_baeza_yates_helper(struc
  *         assign_matching(&loc2, arr2, low2, step2, self.fda.sent_id.arr)
  *         if self.compare_matchings(&loc1, &loc2, offset_by_one, len_last) == -1:
  */
-  __pyx_f_8_cdec_sa_assign_matching((&__pyx_v_loc1), __pyx_v_arr1, (__pyx_v_high1 - __pyx_v_step1), __pyx_v_step1, __pyx_v_self->fda->sent_id->arr);
+  __pyx_f_3_sa_assign_matching((&__pyx_v_loc1), __pyx_v_arr1, (__pyx_v_high1 - __pyx_v_step1), __pyx_v_step1, __pyx_v_self->fda->sent_id->arr);
 
   /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":481
  *         # Case 2: sets are non-overlapping
@@ -38472,7 +38546,7 @@ static int *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_baeza_yates_helper(struc
  *         if self.compare_matchings(&loc1, &loc2, offset_by_one, len_last) == -1:
  *             return result
  */
-  __pyx_f_8_cdec_sa_assign_matching((&__pyx_v_loc2), __pyx_v_arr2, __pyx_v_low2, __pyx_v_step2, __pyx_v_self->fda->sent_id->arr);
+  __pyx_f_3_sa_assign_matching((&__pyx_v_loc2), __pyx_v_arr2, __pyx_v_low2, __pyx_v_step2, __pyx_v_self->fda->sent_id->arr);
 
   /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":482
  *         assign_matching(&loc1, arr1, high1-step1, step1, self.fda.sent_id.arr)
@@ -38481,7 +38555,7 @@ static int *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_baeza_yates_helper(struc
  *             return result
  * 
  */
-  __pyx_t_3 = (((struct __pyx_vtabstruct_8_cdec_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->compare_matchings(__pyx_v_self, (&__pyx_v_loc1), (&__pyx_v_loc2), __pyx_v_offset_by_one, __pyx_v_len_last) == -1);
+  __pyx_t_3 = (((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->compare_matchings(__pyx_v_self, (&__pyx_v_loc1), (&__pyx_v_loc2), __pyx_v_offset_by_one, __pyx_v_len_last) == -1);
   if (__pyx_t_3) {
 
     /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":483
@@ -38504,7 +38578,7 @@ static int *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_baeza_yates_helper(struc
  *         assign_matching(&loc2, arr2, high2-step2, step2, self.fda.sent_id.arr)
  *         if self.compare_matchings(&loc1, &loc2, offset_by_one, len_last) == 1:
  */
-  __pyx_f_8_cdec_sa_assign_matching((&__pyx_v_loc1), __pyx_v_arr1, __pyx_v_low1, __pyx_v_step1, __pyx_v_self->fda->sent_id->arr);
+  __pyx_f_3_sa_assign_matching((&__pyx_v_loc1), __pyx_v_arr1, __pyx_v_low1, __pyx_v_step1, __pyx_v_self->fda->sent_id->arr);
 
   /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":486
  * 
@@ -38513,7 +38587,7 @@ static int *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_baeza_yates_helper(struc
  *         if self.compare_matchings(&loc1, &loc2, offset_by_one, len_last) == 1:
  *             return result
  */
-  __pyx_f_8_cdec_sa_assign_matching((&__pyx_v_loc2), __pyx_v_arr2, (__pyx_v_high2 - __pyx_v_step2), __pyx_v_step2, __pyx_v_self->fda->sent_id->arr);
+  __pyx_f_3_sa_assign_matching((&__pyx_v_loc2), __pyx_v_arr2, (__pyx_v_high2 - __pyx_v_step2), __pyx_v_step2, __pyx_v_self->fda->sent_id->arr);
 
   /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":487
  *         assign_matching(&loc1, arr1, low1, step1, self.fda.sent_id.arr)
@@ -38522,7 +38596,7 @@ static int *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_baeza_yates_helper(struc
  *             return result
  * 
  */
-  __pyx_t_3 = (((struct __pyx_vtabstruct_8_cdec_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->compare_matchings(__pyx_v_self, (&__pyx_v_loc1), (&__pyx_v_loc2), __pyx_v_offset_by_one, __pyx_v_len_last) == 1);
+  __pyx_t_3 = (((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->compare_matchings(__pyx_v_self, (&__pyx_v_loc1), (&__pyx_v_loc2), __pyx_v_offset_by_one, __pyx_v_len_last) == 1);
   if (__pyx_t_3) {
 
     /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":488
@@ -38645,7 +38719,7 @@ static int *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_baeza_yates_helper(struc
  * 
  *         # binary search.    There are two flavors, depending on
  */
-    __pyx_r = ((struct __pyx_vtabstruct_8_cdec_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->merge_helper(__pyx_v_self, __pyx_v_low1, __pyx_v_high1, __pyx_v_arr1, __pyx_v_step1, __pyx_v_low2, __pyx_v_high2, __pyx_v_arr2, __pyx_v_step2, __pyx_v_offset_by_one, __pyx_v_len_last, __pyx_v_num_subpatterns, __pyx_v_result_len);
+    __pyx_r = ((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->merge_helper(__pyx_v_self, __pyx_v_low1, __pyx_v_high1, __pyx_v_arr1, __pyx_v_step1, __pyx_v_low2, __pyx_v_high2, __pyx_v_arr2, __pyx_v_step2, __pyx_v_offset_by_one, __pyx_v_len_last, __pyx_v_num_subpatterns, __pyx_v_result_len);
     goto __pyx_L0;
     goto __pyx_L8;
   }
@@ -38667,7 +38741,7 @@ static int *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_baeza_yates_helper(struc
  *             assign_matching(&loc2, arr2, med2, step2, self.fda.sent_id.arr)
  * 
  */
-    __pyx_v_med2 = __pyx_f_8_cdec_sa_median(__pyx_v_low2, __pyx_v_high2, __pyx_v_step2);
+    __pyx_v_med2 = __pyx_f_3_sa_median(__pyx_v_low2, __pyx_v_high2, __pyx_v_step2);
 
     /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":507
  *         if d_first:
@@ -38676,7 +38750,7 @@ static int *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_baeza_yates_helper(struc
  * 
  *             search_low = low1
  */
-    __pyx_f_8_cdec_sa_assign_matching((&__pyx_v_loc2), __pyx_v_arr2, __pyx_v_med2, __pyx_v_step2, __pyx_v_self->fda->sent_id->arr);
+    __pyx_f_3_sa_assign_matching((&__pyx_v_loc2), __pyx_v_arr2, __pyx_v_med2, __pyx_v_step2, __pyx_v_self->fda->sent_id->arr);
 
     /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":509
  *             assign_matching(&loc2, arr2, med2, step2, self.fda.sent_id.arr)
@@ -38714,7 +38788,7 @@ static int *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_baeza_yates_helper(struc
  *                 find_comparable_matchings(low1, high1, arr1, step1, med1, &med1_minus, &med1_plus)
  *                 comparison = self.compare_matchings_set(med1_minus, med1_plus, arr1, step1, &loc2, offset_by_one, len_last)
  */
-      __pyx_v_med1 = __pyx_f_8_cdec_sa_median(__pyx_v_search_low, __pyx_v_search_high, __pyx_v_step1);
+      __pyx_v_med1 = __pyx_f_3_sa_median(__pyx_v_search_low, __pyx_v_search_high, __pyx_v_step1);
 
       /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":513
  *             while search_low < search_high:
@@ -38723,7 +38797,7 @@ static int *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_baeza_yates_helper(struc
  *                 comparison = self.compare_matchings_set(med1_minus, med1_plus, arr1, step1, &loc2, offset_by_one, len_last)
  *                 if comparison == -1:
  */
-      __pyx_f_8_cdec_sa_find_comparable_matchings(__pyx_v_low1, __pyx_v_high1, __pyx_v_arr1, __pyx_v_step1, __pyx_v_med1, (&__pyx_v_med1_minus), (&__pyx_v_med1_plus));
+      __pyx_f_3_sa_find_comparable_matchings(__pyx_v_low1, __pyx_v_high1, __pyx_v_arr1, __pyx_v_step1, __pyx_v_med1, (&__pyx_v_med1_minus), (&__pyx_v_med1_plus));
 
       /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":514
  *                 med1 = median(search_low, search_high, step1)
@@ -38732,7 +38806,7 @@ static int *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_baeza_yates_helper(struc
  *                 if comparison == -1:
  *                     search_low = med1_plus
  */
-      __pyx_v_comparison = ((struct __pyx_vtabstruct_8_cdec_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->compare_matchings_set(__pyx_v_self, __pyx_v_med1_minus, __pyx_v_med1_plus, __pyx_v_arr1, __pyx_v_step1, (&__pyx_v_loc2), __pyx_v_offset_by_one, __pyx_v_len_last);
+      __pyx_v_comparison = ((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->compare_matchings_set(__pyx_v_self, __pyx_v_med1_minus, __pyx_v_med1_plus, __pyx_v_arr1, __pyx_v_step1, (&__pyx_v_loc2), __pyx_v_offset_by_one, __pyx_v_len_last);
 
       /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":517
  *                 if comparison == -1:
@@ -38805,7 +38879,7 @@ static int *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_baeza_yates_helper(struc
  *             find_comparable_matchings(low1, high1, arr1, step1, med1, &med1_minus, &med1_plus)
  * 
  */
-    __pyx_v_med1 = __pyx_f_8_cdec_sa_median(__pyx_v_low1, __pyx_v_high1, __pyx_v_step1);
+    __pyx_v_med1 = __pyx_f_3_sa_median(__pyx_v_low1, __pyx_v_high1, __pyx_v_step1);
 
     /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":523
  *         else:
@@ -38814,7 +38888,7 @@ static int *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_baeza_yates_helper(struc
  * 
  *             search_low = low2
  */
-    __pyx_f_8_cdec_sa_find_comparable_matchings(__pyx_v_low1, __pyx_v_high1, __pyx_v_arr1, __pyx_v_step1, __pyx_v_med1, (&__pyx_v_med1_minus), (&__pyx_v_med1_plus));
+    __pyx_f_3_sa_find_comparable_matchings(__pyx_v_low1, __pyx_v_high1, __pyx_v_arr1, __pyx_v_step1, __pyx_v_med1, (&__pyx_v_med1_minus), (&__pyx_v_med1_plus));
 
     /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":525
  *             find_comparable_matchings(low1, high1, arr1, step1, med1, &med1_minus, &med1_plus)
@@ -38852,7 +38926,7 @@ static int *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_baeza_yates_helper(struc
  *                 assign_matching(&loc2, arr2, med2, step2, self.fda.sent_id.arr)
  *                 comparison = self.compare_matchings_set(med1_minus, med1_plus, arr1, step1, &loc2, offset_by_one, len_last)
  */
-      __pyx_v_med2 = __pyx_f_8_cdec_sa_median(__pyx_v_search_low, __pyx_v_search_high, __pyx_v_step2);
+      __pyx_v_med2 = __pyx_f_3_sa_median(__pyx_v_search_low, __pyx_v_search_high, __pyx_v_step2);
 
       /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":529
  *             while search_low < search_high:
@@ -38861,7 +38935,7 @@ static int *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_baeza_yates_helper(struc
  *                 comparison = self.compare_matchings_set(med1_minus, med1_plus, arr1, step1, &loc2, offset_by_one, len_last)
  *                 if comparison == -1:
  */
-      __pyx_f_8_cdec_sa_assign_matching((&__pyx_v_loc2), __pyx_v_arr2, __pyx_v_med2, __pyx_v_step2, __pyx_v_self->fda->sent_id->arr);
+      __pyx_f_3_sa_assign_matching((&__pyx_v_loc2), __pyx_v_arr2, __pyx_v_med2, __pyx_v_step2, __pyx_v_self->fda->sent_id->arr);
 
       /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":530
  *                 med2 = median(search_low, search_high, step2)
@@ -38870,7 +38944,7 @@ static int *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_baeza_yates_helper(struc
  *                 if comparison == -1:
  *                     search_high = med2
  */
-      __pyx_v_comparison = ((struct __pyx_vtabstruct_8_cdec_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->compare_matchings_set(__pyx_v_self, __pyx_v_med1_minus, __pyx_v_med1_plus, __pyx_v_arr1, __pyx_v_step1, (&__pyx_v_loc2), __pyx_v_offset_by_one, __pyx_v_len_last);
+      __pyx_v_comparison = ((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->compare_matchings_set(__pyx_v_self, __pyx_v_med1_minus, __pyx_v_med1_plus, __pyx_v_arr1, __pyx_v_step1, (&__pyx_v_loc2), __pyx_v_offset_by_one, __pyx_v_len_last);
 
       /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":533
  *                 if comparison == -1:
@@ -39008,7 +39082,7 @@ static int *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_baeza_yates_helper(struc
  *                 while med2_minus-step2 >= low2:
  *                     assign_matching(&loc2, arr2, med2_minus-step2, step2, self.fda.sent_id.arr)
  */
-      __pyx_f_8_cdec_sa_assign_matching((&__pyx_v_loc1), __pyx_v_arr1, __pyx_v_i1, __pyx_v_step1, __pyx_v_self->fda->sent_id->arr);
+      __pyx_f_3_sa_assign_matching((&__pyx_v_loc1), __pyx_v_arr1, __pyx_v_i1, __pyx_v_step1, __pyx_v_self->fda->sent_id->arr);
 
       /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":551
  *             while i1 < med1_plus:
@@ -39028,7 +39102,7 @@ static int *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_baeza_yates_helper(struc
  *                     if self.compare_matchings(&loc1, &loc2, offset_by_one, len_last) < 1:
  *                         med2_minus = med2_minus - step2
  */
-        __pyx_f_8_cdec_sa_assign_matching((&__pyx_v_loc2), __pyx_v_arr2, (__pyx_v_med2_minus - __pyx_v_step2), __pyx_v_step2, __pyx_v_self->fda->sent_id->arr);
+        __pyx_f_3_sa_assign_matching((&__pyx_v_loc2), __pyx_v_arr2, (__pyx_v_med2_minus - __pyx_v_step2), __pyx_v_step2, __pyx_v_self->fda->sent_id->arr);
 
         /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":553
  *                 while med2_minus-step2 >= low2:
@@ -39037,7 +39111,7 @@ static int *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_baeza_yates_helper(struc
  *                         med2_minus = med2_minus - step2
  *                     else:
  */
-        __pyx_t_3 = (((struct __pyx_vtabstruct_8_cdec_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->compare_matchings(__pyx_v_self, (&__pyx_v_loc1), (&__pyx_v_loc2), __pyx_v_offset_by_one, __pyx_v_len_last) < 1);
+        __pyx_t_3 = (((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->compare_matchings(__pyx_v_self, (&__pyx_v_loc1), (&__pyx_v_loc2), __pyx_v_offset_by_one, __pyx_v_len_last) < 1);
         if (__pyx_t_3) {
 
           /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":554
@@ -39092,7 +39166,7 @@ static int *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_baeza_yates_helper(struc
  *                     comparison = self.compare_matchings(&loc1, &loc2, offset_by_one, len_last)
  *                     if comparison == 0:
  */
-        __pyx_f_8_cdec_sa_assign_matching((&__pyx_v_loc2), __pyx_v_arr2, __pyx_v_i2, __pyx_v_step2, __pyx_v_self->fda->sent_id->arr);
+        __pyx_f_3_sa_assign_matching((&__pyx_v_loc2), __pyx_v_arr2, __pyx_v_i2, __pyx_v_step2, __pyx_v_self->fda->sent_id->arr);
 
         /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":560
  *                 while i2 < high2:
@@ -39101,7 +39175,7 @@ static int *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_baeza_yates_helper(struc
  *                     if comparison == 0:
  *                         pass
  */
-        __pyx_v_comparison = ((struct __pyx_vtabstruct_8_cdec_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->compare_matchings(__pyx_v_self, (&__pyx_v_loc1), (&__pyx_v_loc2), __pyx_v_offset_by_one, __pyx_v_len_last);
+        __pyx_v_comparison = ((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->compare_matchings(__pyx_v_self, (&__pyx_v_loc1), (&__pyx_v_loc2), __pyx_v_offset_by_one, __pyx_v_len_last);
 
         /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":561
  *                     assign_matching(&loc2, arr2, i2, step2, self.fda.sent_id.arr)
@@ -39120,7 +39194,7 @@ static int *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_baeza_yates_helper(struc
  *                     if comparison == -1:
  *                         break
  */
-          __pyx_v_med_result = __pyx_f_8_cdec_sa_append_combined_matching(__pyx_v_med_result, (&__pyx_v_loc1), (&__pyx_v_loc2), __pyx_v_offset_by_one, __pyx_v_num_subpatterns, (&__pyx_v_med_result_len));
+          __pyx_v_med_result = __pyx_f_3_sa_append_combined_matching(__pyx_v_med_result, (&__pyx_v_loc1), (&__pyx_v_loc2), __pyx_v_offset_by_one, __pyx_v_num_subpatterns, (&__pyx_v_med_result_len));
           goto __pyx_L22;
         }
         __pyx_L22:;
@@ -39381,7 +39455,7 @@ static int *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_baeza_yates_helper(struc
  *         high_result_len = 0
  *         high_result = self.baeza_yates_helper(med1_minus, high1, arr1, step1, med2_minus, high2, arr2, step2, offset_by_one, len_last, num_subpatterns, &high_result_len)
  */
-  __pyx_v_low_result = ((struct __pyx_vtabstruct_8_cdec_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->baeza_yates_helper(__pyx_v_self, __pyx_v_low1, __pyx_v_med1_plus, __pyx_v_arr1, __pyx_v_step1, __pyx_v_low2, __pyx_v_med2_plus, __pyx_v_arr2, __pyx_v_step2, __pyx_v_offset_by_one, __pyx_v_len_last, __pyx_v_num_subpatterns, (&__pyx_v_low_result_len));
+  __pyx_v_low_result = ((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->baeza_yates_helper(__pyx_v_self, __pyx_v_low1, __pyx_v_med1_plus, __pyx_v_arr1, __pyx_v_step1, __pyx_v_low2, __pyx_v_med2_plus, __pyx_v_arr2, __pyx_v_step2, __pyx_v_offset_by_one, __pyx_v_len_last, __pyx_v_num_subpatterns, (&__pyx_v_low_result_len));
 
   /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":594
  *         low_result_len = 0
@@ -39399,7 +39473,7 @@ static int *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_baeza_yates_helper(struc
  * 
  *         result = extend_arr(result, result_len, low_result, low_result_len)
  */
-  __pyx_v_high_result = ((struct __pyx_vtabstruct_8_cdec_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->baeza_yates_helper(__pyx_v_self, __pyx_v_med1_minus, __pyx_v_high1, __pyx_v_arr1, __pyx_v_step1, __pyx_v_med2_minus, __pyx_v_high2, __pyx_v_arr2, __pyx_v_step2, __pyx_v_offset_by_one, __pyx_v_len_last, __pyx_v_num_subpatterns, (&__pyx_v_high_result_len));
+  __pyx_v_high_result = ((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->baeza_yates_helper(__pyx_v_self, __pyx_v_med1_minus, __pyx_v_high1, __pyx_v_arr1, __pyx_v_step1, __pyx_v_med2_minus, __pyx_v_high2, __pyx_v_arr2, __pyx_v_step2, __pyx_v_offset_by_one, __pyx_v_len_last, __pyx_v_num_subpatterns, (&__pyx_v_high_result_len));
 
   /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":597
  *         high_result = self.baeza_yates_helper(med1_minus, high1, arr1, step1, med2_minus, high2, arr2, step2, offset_by_one, len_last, num_subpatterns, &high_result_len)
@@ -39408,7 +39482,7 @@ static int *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_baeza_yates_helper(struc
  *         result = extend_arr(result, result_len, med_result, med_result_len)
  *         result = extend_arr(result, result_len, high_result, high_result_len)
  */
-  __pyx_v_result = __pyx_f_8_cdec_sa_extend_arr(__pyx_v_result, __pyx_v_result_len, __pyx_v_low_result, __pyx_v_low_result_len);
+  __pyx_v_result = __pyx_f_3_sa_extend_arr(__pyx_v_result, __pyx_v_result_len, __pyx_v_low_result, __pyx_v_low_result_len);
 
   /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":598
  * 
@@ -39417,7 +39491,7 @@ static int *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_baeza_yates_helper(struc
  *         result = extend_arr(result, result_len, high_result, high_result_len)
  *         free(low_result)
  */
-  __pyx_v_result = __pyx_f_8_cdec_sa_extend_arr(__pyx_v_result, __pyx_v_result_len, __pyx_v_med_result, __pyx_v_med_result_len);
+  __pyx_v_result = __pyx_f_3_sa_extend_arr(__pyx_v_result, __pyx_v_result_len, __pyx_v_med_result, __pyx_v_med_result_len);
 
   /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":599
  *         result = extend_arr(result, result_len, low_result, low_result_len)
@@ -39426,7 +39500,7 @@ static int *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_baeza_yates_helper(struc
  *         free(low_result)
  *         free(med_result)
  */
-  __pyx_v_result = __pyx_f_8_cdec_sa_extend_arr(__pyx_v_result, __pyx_v_result_len, __pyx_v_high_result, __pyx_v_high_result_len);
+  __pyx_v_result = __pyx_f_3_sa_extend_arr(__pyx_v_result, __pyx_v_result_len, __pyx_v_high_result, __pyx_v_high_result_len);
 
   /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":600
  *         result = extend_arr(result, result_len, med_result, med_result_len)
@@ -39468,7 +39542,7 @@ static int *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_baeza_yates_helper(struc
   __pyx_r = 0;
   goto __pyx_L0;
   __pyx_L1_error:;
-  __Pyx_WriteUnraisable("_cdec_sa.HieroCachingRuleFactory.baeza_yates_helper", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_WriteUnraisable("_sa.HieroCachingRuleFactory.baeza_yates_helper", __pyx_clineno, __pyx_lineno, __pyx_filename);
   __pyx_r = 0;
   __pyx_L0:;
   __Pyx_RefNannyFinishContext();
@@ -39483,12 +39557,12 @@ static int *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_baeza_yates_helper(struc
  *         """
  */
 
-static long __pyx_f_8_cdec_sa_23HieroCachingRuleFactory_compare_matchings_set(struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *__pyx_v_self, int __pyx_v_i1_minus, int __pyx_v_i1_plus, int *__pyx_v_arr1, int __pyx_v_step1, struct __pyx_t_8_cdec_sa_Matching *__pyx_v_loc2, int __pyx_v_offset_by_one, int __pyx_v_len_last) {
+static long __pyx_f_3_sa_23HieroCachingRuleFactory_compare_matchings_set(struct __pyx_obj_3_sa_HieroCachingRuleFactory *__pyx_v_self, int __pyx_v_i1_minus, int __pyx_v_i1_plus, int *__pyx_v_arr1, int __pyx_v_step1, struct __pyx_t_3_sa_Matching *__pyx_v_loc2, int __pyx_v_offset_by_one, int __pyx_v_len_last) {
   int __pyx_v_i1;
   int __pyx_v_comparison;
   int __pyx_v_prev_comparison;
-  struct __pyx_t_8_cdec_sa_Matching __pyx_v_l1_stack;
-  struct __pyx_t_8_cdec_sa_Matching *__pyx_v_loc1;
+  struct __pyx_t_3_sa_Matching __pyx_v_l1_stack;
+  struct __pyx_t_3_sa_Matching *__pyx_v_loc1;
   long __pyx_r;
   __Pyx_RefNannyDeclarations
   int __pyx_t_1;
@@ -39530,7 +39604,7 @@ static long __pyx_f_8_cdec_sa_23HieroCachingRuleFactory_compare_matchings_set(st
  *             comparison = self.compare_matchings(loc1, loc2, offset_by_one, len_last)
  *             if comparison == 0:
  */
-    __pyx_f_8_cdec_sa_assign_matching(__pyx_v_loc1, __pyx_v_arr1, __pyx_v_i1, __pyx_v_step1, __pyx_v_self->fda->sent_id->arr);
+    __pyx_f_3_sa_assign_matching(__pyx_v_loc1, __pyx_v_arr1, __pyx_v_i1, __pyx_v_step1, __pyx_v_self->fda->sent_id->arr);
 
     /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":624
  *         while i1 < i1_plus:
@@ -39539,7 +39613,7 @@ static long __pyx_f_8_cdec_sa_23HieroCachingRuleFactory_compare_matchings_set(st
  *             if comparison == 0:
  *                 prev_comparison = 0
  */
-    __pyx_v_comparison = ((struct __pyx_vtabstruct_8_cdec_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->compare_matchings(__pyx_v_self, __pyx_v_loc1, __pyx_v_loc2, __pyx_v_offset_by_one, __pyx_v_len_last);
+    __pyx_v_comparison = ((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->compare_matchings(__pyx_v_self, __pyx_v_loc1, __pyx_v_loc2, __pyx_v_offset_by_one, __pyx_v_len_last);
 
     /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":625
  *             assign_matching(loc1, arr1, i1, step1, self.fda.sent_id.arr)
@@ -39661,7 +39735,7 @@ static long __pyx_f_8_cdec_sa_23HieroCachingRuleFactory_compare_matchings_set(st
  * 
  */
 
-static long __pyx_f_8_cdec_sa_23HieroCachingRuleFactory_compare_matchings(struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *__pyx_v_self, struct __pyx_t_8_cdec_sa_Matching *__pyx_v_loc1, struct __pyx_t_8_cdec_sa_Matching *__pyx_v_loc2, int __pyx_v_offset_by_one, int __pyx_v_len_last) {
+static long __pyx_f_3_sa_23HieroCachingRuleFactory_compare_matchings(struct __pyx_obj_3_sa_HieroCachingRuleFactory *__pyx_v_self, struct __pyx_t_3_sa_Matching *__pyx_v_loc1, struct __pyx_t_3_sa_Matching *__pyx_v_loc2, int __pyx_v_offset_by_one, int __pyx_v_len_last) {
   int __pyx_v_i;
   long __pyx_r;
   __Pyx_RefNannyDeclarations
@@ -39979,15 +40053,15 @@ static long __pyx_f_8_cdec_sa_23HieroCachingRuleFactory_compare_matchings(struct
  *                     int offset_by_one, int len_last, int num_subpatterns, int* result_len):
  */
 
-static int *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_merge_helper(struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *__pyx_v_self, int __pyx_v_low1, int __pyx_v_high1, int *__pyx_v_arr1, int __pyx_v_step1, int __pyx_v_low2, int __pyx_v_high2, int *__pyx_v_arr2, int __pyx_v_step2, int __pyx_v_offset_by_one, int __pyx_v_len_last, int __pyx_v_num_subpatterns, int *__pyx_v_result_len) {
+static int *__pyx_f_3_sa_23HieroCachingRuleFactory_merge_helper(struct __pyx_obj_3_sa_HieroCachingRuleFactory *__pyx_v_self, int __pyx_v_low1, int __pyx_v_high1, int *__pyx_v_arr1, int __pyx_v_step1, int __pyx_v_low2, int __pyx_v_high2, int *__pyx_v_arr2, int __pyx_v_step2, int __pyx_v_offset_by_one, int __pyx_v_len_last, int __pyx_v_num_subpatterns, int *__pyx_v_result_len) {
   int __pyx_v_i1;
   int __pyx_v_i2;
   int __pyx_v_j1;
   int __pyx_v_j2;
   long __pyx_v_comparison;
   int *__pyx_v_result;
-  struct __pyx_t_8_cdec_sa_Matching __pyx_v_loc1;
-  struct __pyx_t_8_cdec_sa_Matching __pyx_v_loc2;
+  struct __pyx_t_3_sa_Matching __pyx_v_loc1;
+  struct __pyx_t_3_sa_Matching __pyx_v_loc2;
   int *__pyx_r;
   __Pyx_RefNannyDeclarations
   int __pyx_t_1;
@@ -40055,7 +40129,7 @@ static int *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_merge_helper(struct __py
  *             while i2 < high2:
  *                 assign_matching(&loc2, arr2, i2, step2, self.fda.sent_id.arr)
  */
-    __pyx_f_8_cdec_sa_assign_matching((&__pyx_v_loc1), __pyx_v_arr1, __pyx_v_i1, __pyx_v_step1, __pyx_v_self->fda->sent_id->arr);
+    __pyx_f_3_sa_assign_matching((&__pyx_v_loc1), __pyx_v_arr1, __pyx_v_i1, __pyx_v_step1, __pyx_v_self->fda->sent_id->arr);
 
     /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":691
  *             # First, pop all unneeded loc2's off the stack
@@ -40075,7 +40149,7 @@ static int *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_merge_helper(struct __py
  *                 if self.compare_matchings(&loc1, &loc2, offset_by_one, len_last) == 1:
  *                     i2 = i2 + step2
  */
-      __pyx_f_8_cdec_sa_assign_matching((&__pyx_v_loc2), __pyx_v_arr2, __pyx_v_i2, __pyx_v_step2, __pyx_v_self->fda->sent_id->arr);
+      __pyx_f_3_sa_assign_matching((&__pyx_v_loc2), __pyx_v_arr2, __pyx_v_i2, __pyx_v_step2, __pyx_v_self->fda->sent_id->arr);
 
       /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":693
  *             while i2 < high2:
@@ -40084,7 +40158,7 @@ static int *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_merge_helper(struct __py
  *                     i2 = i2 + step2
  *                 else:
  */
-      __pyx_t_3 = (((struct __pyx_vtabstruct_8_cdec_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->compare_matchings(__pyx_v_self, (&__pyx_v_loc1), (&__pyx_v_loc2), __pyx_v_offset_by_one, __pyx_v_len_last) == 1);
+      __pyx_t_3 = (((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->compare_matchings(__pyx_v_self, (&__pyx_v_loc1), (&__pyx_v_loc2), __pyx_v_offset_by_one, __pyx_v_len_last) == 1);
       if (__pyx_t_3) {
 
         /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":694
@@ -40145,7 +40219,7 @@ static int *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_merge_helper(struct __py
  *                 j2 = i2
  *                 while j2 < high2:
  */
-      __pyx_f_8_cdec_sa_assign_matching((&__pyx_v_loc1), __pyx_v_arr1, __pyx_v_i1, __pyx_v_step1, __pyx_v_self->fda->sent_id->arr);
+      __pyx_f_3_sa_assign_matching((&__pyx_v_loc1), __pyx_v_arr1, __pyx_v_i1, __pyx_v_step1, __pyx_v_self->fda->sent_id->arr);
 
       /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":702
  *             while i1 < high1 and arr1[j1] == arr1[i1]:
@@ -40174,7 +40248,7 @@ static int *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_merge_helper(struct __py
  *                     comparison = self.compare_matchings(&loc1, &loc2, offset_by_one, len_last)
  *                     if comparison == 0:
  */
-        __pyx_f_8_cdec_sa_assign_matching((&__pyx_v_loc2), __pyx_v_arr2, __pyx_v_j2, __pyx_v_step2, __pyx_v_self->fda->sent_id->arr);
+        __pyx_f_3_sa_assign_matching((&__pyx_v_loc2), __pyx_v_arr2, __pyx_v_j2, __pyx_v_step2, __pyx_v_self->fda->sent_id->arr);
 
         /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":705
  *                 while j2 < high2:
@@ -40183,7 +40257,7 @@ static int *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_merge_helper(struct __py
  *                     if comparison == 0:
  *                         result = append_combined_matching(result, &loc1, &loc2, offset_by_one, num_subpatterns, result_len)
  */
-        __pyx_v_comparison = ((struct __pyx_vtabstruct_8_cdec_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->compare_matchings(__pyx_v_self, (&__pyx_v_loc1), (&__pyx_v_loc2), __pyx_v_offset_by_one, __pyx_v_len_last);
+        __pyx_v_comparison = ((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->compare_matchings(__pyx_v_self, (&__pyx_v_loc1), (&__pyx_v_loc2), __pyx_v_offset_by_one, __pyx_v_len_last);
 
         /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":706
  *                     assign_matching(&loc2, arr2, j2, step2, self.fda.sent_id.arr)
@@ -40202,7 +40276,7 @@ static int *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_merge_helper(struct __py
  *                     if comparison == 1:
  *                         pass
  */
-          __pyx_v_result = __pyx_f_8_cdec_sa_append_combined_matching(__pyx_v_result, (&__pyx_v_loc1), (&__pyx_v_loc2), __pyx_v_offset_by_one, __pyx_v_num_subpatterns, __pyx_v_result_len);
+          __pyx_v_result = __pyx_f_3_sa_append_combined_matching(__pyx_v_result, (&__pyx_v_loc1), (&__pyx_v_loc2), __pyx_v_offset_by_one, __pyx_v_num_subpatterns, __pyx_v_result_len);
           goto __pyx_L12;
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@@ -40290,10 +40364,10 @@ static int *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_merge_helper(struct __py
  *         cdef VEB veb
  */
 
-static void __pyx_f_8_cdec_sa_23HieroCachingRuleFactory_sort_phrase_loc(struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *__pyx_v_self, struct __pyx_obj_8_cdec_sa_IntList *__pyx_v_arr, struct __pyx_obj_8_cdec_sa_PhraseLocation *__pyx_v_loc, struct __pyx_obj_8_cdec_sa_Phrase *__pyx_v_phrase) {
+static void __pyx_f_3_sa_23HieroCachingRuleFactory_sort_phrase_loc(struct __pyx_obj_3_sa_HieroCachingRuleFactory *__pyx_v_self, struct __pyx_obj_3_sa_IntList *__pyx_v_arr, struct __pyx_obj_3_sa_PhraseLocation *__pyx_v_loc, struct __pyx_obj_3_sa_Phrase *__pyx_v_phrase) {
   int __pyx_v_i;
   int __pyx_v_j;
-  struct __pyx_obj_8_cdec_sa_VEB *__pyx_v_veb = 0;
+  struct __pyx_obj_3_sa_VEB *__pyx_v_veb = 0;
   __Pyx_RefNannyDeclarations
   int __pyx_t_1;
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@@ -40323,11 +40397,11 @@ static void __pyx_f_8_cdec_sa_23HieroCachingRuleFactory_sort_phrase_loc(struct _
  */
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+    if (!(likely(((__pyx_t_2) == Py_None) || likely(__Pyx_TypeTest(__pyx_t_2, __pyx_ptype_3_sa_IntList))))) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 724; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-    __pyx_v_loc->arr = ((struct __pyx_obj_8_cdec_sa_IntList *)__pyx_t_2);
+    __pyx_v_loc->arr = ((struct __pyx_obj_3_sa_IntList *)__pyx_t_2);
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@@ -40346,13 +40420,13 @@ static void __pyx_f_8_cdec_sa_23HieroCachingRuleFactory_sort_phrase_loc(struct _
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+    __pyx_t_3 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_IntList)), ((PyObject *)__pyx_empty_tuple), ((PyObject *)__pyx_t_2)); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 726; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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     __Pyx_DECREF(((PyObject *)__pyx_v_loc->arr));
-    __pyx_v_loc->arr = ((struct __pyx_obj_8_cdec_sa_IntList *)__pyx_t_3);
+    __pyx_v_loc->arr = ((struct __pyx_obj_3_sa_IntList *)__pyx_t_3);
     __pyx_t_3 = 0;
 
     /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":727
@@ -40369,10 +40443,10 @@ static void __pyx_f_8_cdec_sa_23HieroCachingRuleFactory_sort_phrase_loc(struct _
     PyTuple_SET_ITEM(__pyx_t_2, 0, __pyx_t_3);
     __Pyx_GIVEREF(__pyx_t_3);
     __pyx_t_3 = 0;
-    __pyx_t_3 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_8_cdec_sa_VEB)), ((PyObject *)__pyx_t_2), NULL); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 727; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_3 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_VEB)), ((PyObject *)__pyx_t_2), NULL); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 727; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_3);
     __Pyx_DECREF(((PyObject *)__pyx_t_2)); __pyx_t_2 = 0;
-    __pyx_v_veb = ((struct __pyx_obj_8_cdec_sa_VEB *)__pyx_t_3);
+    __pyx_v_veb = ((struct __pyx_obj_3_sa_VEB *)__pyx_t_3);
     __pyx_t_3 = 0;
 
     /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":728
@@ -40392,7 +40466,7 @@ static void __pyx_f_8_cdec_sa_23HieroCachingRuleFactory_sort_phrase_loc(struct _
  *             i = veb.veb.min_val
  *             for j from 0 <= j < loc.sa_high-loc.sa_low:
  */
-      ((struct __pyx_vtabstruct_8_cdec_sa_VEB *)__pyx_v_veb->__pyx_vtab)->_insert(__pyx_v_veb, (__pyx_v_arr->arr[__pyx_v_i]));
+      ((struct __pyx_vtabstruct_3_sa_VEB *)__pyx_v_veb->__pyx_vtab)->_insert(__pyx_v_veb, (__pyx_v_arr->arr[__pyx_v_i]));
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     /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":730
@@ -40430,7 +40504,7 @@ static void __pyx_f_8_cdec_sa_23HieroCachingRuleFactory_sort_phrase_loc(struct _
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  *         loc.arr_high = loc.arr.len
  */
-      __pyx_v_i = ((struct __pyx_vtabstruct_8_cdec_sa_VEB *)__pyx_v_veb->__pyx_vtab)->_findsucc(__pyx_v_veb, __pyx_v_i);
+      __pyx_v_i = ((struct __pyx_vtabstruct_3_sa_VEB *)__pyx_v_veb->__pyx_vtab)->_findsucc(__pyx_v_veb, __pyx_v_i);
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@@ -40457,7 +40531,7 @@ static void __pyx_f_8_cdec_sa_23HieroCachingRuleFactory_sort_phrase_loc(struct _
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-  __Pyx_WriteUnraisable("_cdec_sa.HieroCachingRuleFactory.sort_phrase_loc", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_WriteUnraisable("_sa.HieroCachingRuleFactory.sort_phrase_loc", __pyx_clineno, __pyx_lineno, __pyx_filename);
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@@ -40471,10 +40545,10 @@ static void __pyx_f_8_cdec_sa_23HieroCachingRuleFactory_sort_phrase_loc(struct _
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-  struct __pyx_obj_8_cdec_sa_IntList *__pyx_v_arr1 = 0;
-  struct __pyx_obj_8_cdec_sa_IntList *__pyx_v_arr2 = 0;
-  struct __pyx_obj_8_cdec_sa_IntList *__pyx_v_result = 0;
+static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_intersect_helper(struct __pyx_obj_3_sa_HieroCachingRuleFactory *__pyx_v_self, struct __pyx_obj_3_sa_Phrase *__pyx_v_prefix, struct __pyx_obj_3_sa_Phrase *__pyx_v_suffix, struct __pyx_obj_3_sa_PhraseLocation *__pyx_v_prefix_loc, struct __pyx_obj_3_sa_PhraseLocation *__pyx_v_suffix_loc, int __pyx_v_algorithm) {
+  struct __pyx_obj_3_sa_IntList *__pyx_v_arr1 = 0;
+  struct __pyx_obj_3_sa_IntList *__pyx_v_arr2 = 0;
+  struct __pyx_obj_3_sa_IntList *__pyx_v_result = 0;
   int __pyx_v_low1;
   int __pyx_v_high1;
   int __pyx_v_step1;
@@ -40489,11 +40563,12 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_intersect_helper(st
   PyObject *__pyx_r = NULL;
   __Pyx_RefNannyDeclarations
   PyObject *__pyx_t_1 = NULL;
-  PyObject *__pyx_t_2 = NULL;
-  PyObject *__pyx_t_3 = NULL;
-  int __pyx_t_4;
-  Py_ssize_t __pyx_t_5;
-  int __pyx_t_6;
+  int __pyx_t_2;
+  int __pyx_t_3;
+  PyObject *__pyx_t_4 = NULL;
+  PyObject *__pyx_t_5 = NULL;
+  Py_ssize_t __pyx_t_6;
+  int __pyx_t_7;
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   const char *__pyx_filename = NULL;
   int __pyx_clineno = 0;
@@ -40515,22 +40590,12 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_intersect_helper(st
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+  __pyx_t_1 = __Pyx_GetItemInt(((PyObject *)__pyx_v_suffix), 0, sizeof(long), PyInt_FromLong); if (!__pyx_t_1) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 747; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-  __Pyx_GOTREF(__pyx_t_2);
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     /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":748
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@@ -40562,25 +40627,25 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_intersect_helper(st
  * 
  *         if prefix_loc.arr is None:
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+  __pyx_t_1 = PyObject_GetAttr(((PyObject *)__pyx_v_suffix), __pyx_n_s__getchunk); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 752; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+  __Pyx_GOTREF(__pyx_t_4);
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+  __Pyx_GOTREF(__pyx_t_5);
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+  __Pyx_GOTREF(__pyx_t_4);
+  PyTuple_SET_ITEM(__pyx_t_4, 0, __pyx_t_5);
+  __Pyx_GIVEREF(__pyx_t_5);
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+  __pyx_t_5 = PyObject_Call(__pyx_t_1, ((PyObject *)__pyx_t_4), NULL); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 752; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_5);
   __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
-  __pyx_v_len_last = __pyx_t_5;
+  __Pyx_DECREF(((PyObject *)__pyx_t_4)); __pyx_t_4 = 0;
+  __pyx_t_6 = PyObject_Length(__pyx_t_5); if (unlikely(__pyx_t_6 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 752; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+  __pyx_v_len_last = __pyx_t_6;
 
   /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":754
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@@ -40589,8 +40654,8 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_intersect_helper(st
  *             self.sort_phrase_loc(self.fsa.sa, prefix_loc, prefix)
  *         arr1 = prefix_loc.arr
  */
-  __pyx_t_4 = (((PyObject *)__pyx_v_prefix_loc->arr) == Py_None);
-  if (__pyx_t_4) {
+  __pyx_t_7 = (((PyObject *)__pyx_v_prefix_loc->arr) == Py_None);
+  if (__pyx_t_7) {
 
     /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":755
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@@ -40599,10 +40664,10 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_intersect_helper(st
  *         arr1 = prefix_loc.arr
  *         low1 = prefix_loc.arr_low
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-    __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+    __pyx_t_5 = ((PyObject *)__pyx_v_self->fsa->sa);
+    __Pyx_INCREF(__pyx_t_5);
+    ((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->sort_phrase_loc(__pyx_v_self, ((struct __pyx_obj_3_sa_IntList *)__pyx_t_5), __pyx_v_prefix_loc, __pyx_v_prefix);
+    __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
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@@ -40651,8 +40716,8 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_intersect_helper(st
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  */
-  __pyx_t_4 = (((PyObject *)__pyx_v_suffix_loc->arr) == Py_None);
-  if (__pyx_t_4) {
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  * 
@@ -40661,10 +40726,10 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_intersect_helper(st
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-    __pyx_t_1 = ((PyObject *)__pyx_v_self->fsa->sa);
-    __Pyx_INCREF(__pyx_t_1);
-    ((struct __pyx_vtabstruct_8_cdec_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->sort_phrase_loc(__pyx_v_self, ((struct __pyx_obj_8_cdec_sa_IntList *)__pyx_t_1), __pyx_v_suffix_loc, __pyx_v_suffix);
-    __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+    __pyx_t_5 = ((PyObject *)__pyx_v_self->fsa->sa);
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+    ((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->sort_phrase_loc(__pyx_v_self, ((struct __pyx_obj_3_sa_IntList *)__pyx_t_5), __pyx_v_suffix_loc, __pyx_v_suffix);
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@@ -40713,17 +40778,17 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_intersect_helper(st
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-  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
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-  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
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+  __Pyx_GOTREF(__pyx_t_5);
+  __pyx_t_4 = PyObject_Call(__pyx_t_5, ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 768; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_4);
+  __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+  __pyx_t_5 = PyNumber_Add(__pyx_t_4, __pyx_int_1); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 768; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_5);
+  __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
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+  __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+  __pyx_v_num_subpatterns = __pyx_t_3;
 
   /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":770
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@@ -40732,8 +40797,8 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_intersect_helper(st
  *             result_ptr = self.merge_helper(low1, high1, arr1.arr, step1,
  *                                     low2, high2, arr2.arr, step2,
  */
-  __pyx_t_4 = (__pyx_v_algorithm == __pyx_v_8_cdec_sa_MERGE);
-  if (__pyx_t_4) {
+  __pyx_t_7 = (__pyx_v_algorithm == __pyx_v_3_sa_MERGE);
+  if (__pyx_t_7) {
 
     /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":773
  *             result_ptr = self.merge_helper(low1, high1, arr1.arr, step1,
@@ -40742,7 +40807,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_intersect_helper(st
  *         else:
  *             result_ptr = self.baeza_yates_helper(low1, high1, arr1.arr, step1,
  */
-    __pyx_v_result_ptr = ((struct __pyx_vtabstruct_8_cdec_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->merge_helper(__pyx_v_self, __pyx_v_low1, __pyx_v_high1, __pyx_v_arr1->arr, __pyx_v_step1, __pyx_v_low2, __pyx_v_high2, __pyx_v_arr2->arr, __pyx_v_step2, __pyx_v_offset_by_one, __pyx_v_len_last, __pyx_v_num_subpatterns, (&__pyx_v_result_len));
+    __pyx_v_result_ptr = ((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->merge_helper(__pyx_v_self, __pyx_v_low1, __pyx_v_high1, __pyx_v_arr1->arr, __pyx_v_step1, __pyx_v_low2, __pyx_v_high2, __pyx_v_arr2->arr, __pyx_v_step2, __pyx_v_offset_by_one, __pyx_v_len_last, __pyx_v_num_subpatterns, (&__pyx_v_result_len));
     goto __pyx_L6;
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   /*else*/ {
@@ -40754,7 +40819,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_intersect_helper(st
  * 
  *         if result_len == 0:
  */
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+    __pyx_v_result_ptr = ((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->baeza_yates_helper(__pyx_v_self, __pyx_v_low1, __pyx_v_high1, __pyx_v_arr1->arr, __pyx_v_step1, __pyx_v_low2, __pyx_v_high2, __pyx_v_arr2->arr, __pyx_v_step2, __pyx_v_offset_by_one, __pyx_v_len_last, __pyx_v_num_subpatterns, (&__pyx_v_result_len));
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@@ -40765,8 +40830,8 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_intersect_helper(st
  *             free(result_ptr)
  *             return None
  */
-  __pyx_t_4 = (__pyx_v_result_len == 0);
-  if (__pyx_t_4) {
+  __pyx_t_7 = (__pyx_v_result_len == 0);
+  if (__pyx_t_7) {
 
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  * 
@@ -40799,10 +40864,10 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_intersect_helper(st
  *             free(result.arr)
  *             result.arr = result_ptr
  */
-    __pyx_t_1 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_8_cdec_sa_IntList)), ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 783; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-    __pyx_v_result = ((struct __pyx_obj_8_cdec_sa_IntList *)__pyx_t_1);
-    __pyx_t_1 = 0;
+    __pyx_t_5 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_IntList)), ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 783; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+    __pyx_t_5 = 0;
 
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@@ -40848,23 +40913,23 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_intersect_helper(st
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-    __pyx_t_1 = PyDict_New(); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 788; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-    __pyx_t_3 = PyInt_FromLong(__pyx_v_result_len); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 788; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-    __pyx_r = __pyx_t_3;
-    __pyx_t_3 = 0;
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+    __Pyx_GOTREF(__pyx_t_4);
+    if (PyDict_SetItem(__pyx_t_5, ((PyObject *)__pyx_n_s__num_subpatterns), __pyx_t_4) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 788; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
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+    __Pyx_DECREF(((PyObject *)__pyx_t_5)); __pyx_t_5 = 0;
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@@ -40873,9 +40938,9 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_intersect_helper(st
   goto __pyx_L0;
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-  __Pyx_XDECREF(__pyx_t_2);
-  __Pyx_XDECREF(__pyx_t_3);
-  __Pyx_AddTraceback("_cdec_sa.HieroCachingRuleFactory.intersect_helper", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_XDECREF(__pyx_t_4);
+  __Pyx_XDECREF(__pyx_t_5);
+  __Pyx_AddTraceback("_sa.HieroCachingRuleFactory.intersect_helper", __pyx_clineno, __pyx_lineno, __pyx_filename);
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@@ -40894,7 +40959,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_intersect_helper(st
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-static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_loc2str(CYTHON_UNUSED struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *__pyx_v_self, struct __pyx_obj_8_cdec_sa_PhraseLocation *__pyx_v_loc) {
+static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_loc2str(CYTHON_UNUSED struct __pyx_obj_3_sa_HieroCachingRuleFactory *__pyx_v_self, struct __pyx_obj_3_sa_PhraseLocation *__pyx_v_loc) {
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   __Pyx_XDECREF(__pyx_t_4);
-  __Pyx_AddTraceback("_cdec_sa.HieroCachingRuleFactory.loc2str", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_AddTraceback("_sa.HieroCachingRuleFactory.loc2str", __pyx_clineno, __pyx_lineno, __pyx_filename);
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@@ -41052,14 +41117,14 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_loc2str(CYTHON_UNUS
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-  struct __pyx_obj_8_cdec_sa_Phrase *__pyx_v_suffix = 0;
-  struct __pyx_obj_8_cdec_sa_PhraseLocation *__pyx_v_prefix_loc = 0;
-  struct __pyx_obj_8_cdec_sa_PhraseLocation *__pyx_v_suffix_loc = 0;
-  struct __pyx_obj_8_cdec_sa_PhraseLocation *__pyx_v_result = 0;
+static struct __pyx_obj_3_sa_PhraseLocation *__pyx_f_3_sa_23HieroCachingRuleFactory_intersect(struct __pyx_obj_3_sa_HieroCachingRuleFactory *__pyx_v_self, PyObject *__pyx_v_prefix_node, PyObject *__pyx_v_suffix_node, struct __pyx_obj_3_sa_Phrase *__pyx_v_phrase) {
+  struct __pyx_obj_3_sa_Phrase *__pyx_v_prefix = 0;
+  struct __pyx_obj_3_sa_Phrase *__pyx_v_suffix = 0;
+  struct __pyx_obj_3_sa_PhraseLocation *__pyx_v_prefix_loc = 0;
+  struct __pyx_obj_3_sa_PhraseLocation *__pyx_v_suffix_loc = 0;
+  struct __pyx_obj_3_sa_PhraseLocation *__pyx_v_result = 0;
   CYTHON_UNUSED PyObject *__pyx_v_intersect_method = NULL;
-  struct __pyx_obj_8_cdec_sa_PhraseLocation *__pyx_r = NULL;
+  struct __pyx_obj_3_sa_PhraseLocation *__pyx_r = NULL;
   __Pyx_RefNannyDeclarations
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@@ -41079,8 +41144,8 @@ static struct __pyx_obj_8_cdec_sa_PhraseLocation *__pyx_f_8_cdec_sa_23HieroCachi
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-  __pyx_v_prefix = ((struct __pyx_obj_8_cdec_sa_Phrase *)__pyx_t_1);
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-  if (!(likely(((__pyx_t_1) == Py_None) || likely(__Pyx_TypeTest(__pyx_t_1, __pyx_ptype_8_cdec_sa_Phrase))))) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 808; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __pyx_v_suffix = ((struct __pyx_obj_8_cdec_sa_Phrase *)__pyx_t_1);
+  if (!(likely(((__pyx_t_1) == Py_None) || likely(__Pyx_TypeTest(__pyx_t_1, __pyx_ptype_3_sa_Phrase))))) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 808; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_v_suffix = ((struct __pyx_obj_3_sa_Phrase *)__pyx_t_1);
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-  __pyx_v_prefix_loc = ((struct __pyx_obj_8_cdec_sa_PhraseLocation *)__pyx_t_1);
+  if (!(likely(((__pyx_t_1) == Py_None) || likely(__Pyx_TypeTest(__pyx_t_1, __pyx_ptype_3_sa_PhraseLocation))))) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 809; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_v_prefix_loc = ((struct __pyx_obj_3_sa_PhraseLocation *)__pyx_t_1);
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-  __pyx_v_suffix_loc = ((struct __pyx_obj_8_cdec_sa_PhraseLocation *)__pyx_t_1);
+  if (!(likely(((__pyx_t_1) == Py_None) || likely(__Pyx_TypeTest(__pyx_t_1, __pyx_ptype_3_sa_PhraseLocation))))) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 810; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_v_suffix_loc = ((struct __pyx_obj_3_sa_PhraseLocation *)__pyx_t_1);
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-  __pyx_v_result = ((struct __pyx_obj_8_cdec_sa_PhraseLocation *)__pyx_t_3);
+  if (!(likely(((__pyx_t_3) == Py_None) || likely(__Pyx_TypeTest(__pyx_t_3, __pyx_ptype_3_sa_PhraseLocation))))) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 812; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+      if (!(likely(((__pyx_t_3) == Py_None) || likely(__Pyx_TypeTest(__pyx_t_3, __pyx_ptype_3_sa_PhraseLocation))))) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 818; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-      __pyx_v_result = ((struct __pyx_obj_8_cdec_sa_PhraseLocation *)__pyx_t_3);
+      __pyx_v_result = ((struct __pyx_obj_3_sa_PhraseLocation *)__pyx_t_3);
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@@ -41221,11 +41286,11 @@ static struct __pyx_obj_8_cdec_sa_PhraseLocation *__pyx_f_8_cdec_sa_23HieroCachi
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-      if (!(likely(((__pyx_t_3) == Py_None) || likely(__Pyx_TypeTest(__pyx_t_3, __pyx_ptype_8_cdec_sa_PhraseLocation))))) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 821; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      if (!(likely(((__pyx_t_3) == Py_None) || likely(__Pyx_TypeTest(__pyx_t_3, __pyx_ptype_3_sa_PhraseLocation))))) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 821; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-      __pyx_v_result = ((struct __pyx_obj_8_cdec_sa_PhraseLocation *)__pyx_t_3);
+      __pyx_v_result = ((struct __pyx_obj_3_sa_PhraseLocation *)__pyx_t_3);
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   goto __pyx_L0;
 
-  __pyx_r = ((struct __pyx_obj_8_cdec_sa_PhraseLocation *)Py_None); __Pyx_INCREF(Py_None);
+  __pyx_r = ((struct __pyx_obj_3_sa_PhraseLocation *)Py_None); __Pyx_INCREF(Py_None);
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   __Pyx_XDECREF(__pyx_t_2);
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-  __Pyx_AddTraceback("_cdec_sa.HieroCachingRuleFactory.intersect", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_AddTraceback("_sa.HieroCachingRuleFactory.intersect", __pyx_clineno, __pyx_lineno, __pyx_filename);
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   __Pyx_XDECREF((PyObject *)__pyx_v_prefix);
@@ -41277,16 +41342,16 @@ static struct __pyx_obj_8_cdec_sa_PhraseLocation *__pyx_f_8_cdec_sa_23HieroCachi
 }
 
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-static PyObject *__pyx_pw_8_cdec_sa_23HieroCachingRuleFactory_13advance(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
+static PyObject *__pyx_pw_3_sa_23HieroCachingRuleFactory_13advance(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
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         case  0:
-        values[0] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__frontier);
-        if (likely(values[0])) kw_args--;
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-        values[1] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__res);
-        if (likely(values[1])) kw_args--;
+        if (likely((values[1] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__res)) != 0)) kw_args--;
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         case  2:
-        values[2] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__fwords);
-        if (likely(values[2])) kw_args--;
+        if (likely((values[2] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__fwords)) != 0)) kw_args--;
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   __pyx_L3_error:;
-  __Pyx_AddTraceback("_cdec_sa.HieroCachingRuleFactory.advance", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_AddTraceback("_sa.HieroCachingRuleFactory.advance", __pyx_clineno, __pyx_lineno, __pyx_filename);
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+  __pyx_r = __pyx_pf_3_sa_23HieroCachingRuleFactory_12advance(((struct __pyx_obj_3_sa_HieroCachingRuleFactory *)__pyx_v_self), __pyx_v_frontier, __pyx_v_res, __pyx_v_fwords);
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+static PyObject *__pyx_pf_3_sa_23HieroCachingRuleFactory_12advance(struct __pyx_obj_3_sa_HieroCachingRuleFactory *__pyx_v_self, PyObject *__pyx_v_frontier, PyObject *__pyx_v_res, PyObject *__pyx_v_fwords) {
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@@ -41415,10 +41477,18 @@ static PyObject *__pyx_pf_8_cdec_sa_23HieroCachingRuleFactory_12advance(struct _
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     if (!__pyx_t_3 && PyList_CheckExact(__pyx_t_1)) {
       if (__pyx_t_2 >= PyList_GET_SIZE(__pyx_t_1)) break;
+      #if CYTHON_COMPILING_IN_CPYTHON
       __pyx_t_4 = PyList_GET_ITEM(__pyx_t_1, __pyx_t_2); __Pyx_INCREF(__pyx_t_4); __pyx_t_2++;
+      #else
+      __pyx_t_4 = PySequence_ITEM(__pyx_t_1, __pyx_t_2); __pyx_t_2++; if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 828; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
+      #endif
     } else if (!__pyx_t_3 && PyTuple_CheckExact(__pyx_t_1)) {
       if (__pyx_t_2 >= PyTuple_GET_SIZE(__pyx_t_1)) break;
+      #if CYTHON_COMPILING_IN_CPYTHON
       __pyx_t_4 = PyTuple_GET_ITEM(__pyx_t_1, __pyx_t_2); __Pyx_INCREF(__pyx_t_4); __pyx_t_2++;
+      #else
+      __pyx_t_4 = PySequence_ITEM(__pyx_t_1, __pyx_t_2); __pyx_t_2++; if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 828; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
+      #endif
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@@ -41432,27 +41502,33 @@ static PyObject *__pyx_pf_8_cdec_sa_23HieroCachingRuleFactory_12advance(struct _
     }
     if ((likely(PyTuple_CheckExact(__pyx_t_4))) || (PyList_CheckExact(__pyx_t_4))) {
       PyObject* sequence = __pyx_t_4;
+      #if CYTHON_COMPILING_IN_CPYTHON
+      Py_ssize_t size = Py_SIZE(sequence);
+      #else
+      Py_ssize_t size = PySequence_Size(sequence);
+      #endif
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+        else if (size >= 0) __Pyx_RaiseNeedMoreValuesError(size);
+        {__pyx_filename = __pyx_f[8]; __pyx_lineno = 828; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      }
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         __pyx_t_6 = PyList_GET_ITEM(sequence, 1); 
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       __Pyx_INCREF(__pyx_t_5);
       __Pyx_INCREF(__pyx_t_6);
+      #else
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+      __pyx_t_6 = PySequence_ITEM(sequence, 1); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 828; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      #endif
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-    } else {
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+      __pyx_t_8 = NULL;
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-      if (PyErr_Occurred() && PyErr_ExceptionMatches(PyExc_StopIteration)) PyErr_Clear();
-      if (!PyErr_Occurred()) __Pyx_RaiseNeedMoreValuesError(index);
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+      #if CYTHON_COMPILING_IN_CPYTHON
       __pyx_t_4 = PyList_GET_ITEM(__pyx_t_2, __pyx_t_3); __Pyx_INCREF(__pyx_t_4); __pyx_t_3++;
+      #else
+      __pyx_t_4 = PySequence_ITEM(__pyx_t_2, __pyx_t_3); __pyx_t_3++; if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 853; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
+      #endif
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         __pyx_t_4 = PyList_GET_ITEM(__pyx_t_1, __pyx_t_7); __Pyx_INCREF(__pyx_t_4); __pyx_t_7++;
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+        #endif
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+        #if CYTHON_COMPILING_IN_CPYTHON
         __pyx_t_4 = PyTuple_GET_ITEM(__pyx_t_1, __pyx_t_7); __Pyx_INCREF(__pyx_t_4); __pyx_t_7++;
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 /* Python wrapper */
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+  struct __pyx_obj_3_sa___pyx_scope_struct_2_input *__pyx_cur_scope = ((struct __pyx_obj_3_sa___pyx_scope_struct_2_input *)__pyx_generator->closure);
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@@ -44225,7 +44341,7 @@ static PyObject *__pyx_gb_8_cdec_sa_23HieroCachingRuleFactory_24generator1(__pyx
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  */
   while (1) {
-    __pyx_t_1 = PyList_GET_SIZE(((PyObject *)__pyx_cur_scope->__pyx_v_frontier)); 
+    __pyx_t_1 = PyList_GET_SIZE(((PyObject *)__pyx_cur_scope->__pyx_v_frontier)); if (unlikely(__pyx_t_1 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 963; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __pyx_t_8 = (__pyx_t_1 > 0);
     if (!__pyx_t_8) break;
 
@@ -44254,15 +44370,25 @@ static PyObject *__pyx_gb_8_cdec_sa_23HieroCachingRuleFactory_24generator1(__pyx
     __pyx_t_12 = ((PyObject *)__pyx_cur_scope->__pyx_v_frontier); __Pyx_INCREF(__pyx_t_12); __pyx_t_1 = 0;
     for (;;) {
       if (__pyx_t_1 >= PyList_GET_SIZE(__pyx_t_12)) break;
+      #if CYTHON_COMPILING_IN_CPYTHON
       __pyx_t_2 = PyList_GET_ITEM(__pyx_t_12, __pyx_t_1); __Pyx_INCREF(__pyx_t_2); __pyx_t_1++;
+      #else
+      __pyx_t_2 = PySequence_ITEM(__pyx_t_12, __pyx_t_1); __pyx_t_1++; if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 965; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
+      #endif
       if ((likely(PyTuple_CheckExact(__pyx_t_2))) || (PyList_CheckExact(__pyx_t_2))) {
         PyObject* sequence = __pyx_t_2;
+        #if CYTHON_COMPILING_IN_CPYTHON
+        Py_ssize_t size = Py_SIZE(sequence);
+        #else
+        Py_ssize_t size = PySequence_Size(sequence);
+        #endif
+        if (unlikely(size != 7)) {
+          if (size > 7) __Pyx_RaiseTooManyValuesError(7);
+          else if (size >= 0) __Pyx_RaiseNeedMoreValuesError(size);
+          {__pyx_filename = __pyx_f[8]; __pyx_lineno = 965; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        }
+        #if CYTHON_COMPILING_IN_CPYTHON
         if (likely(PyTuple_CheckExact(sequence))) {
-          if (unlikely(PyTuple_GET_SIZE(sequence) != 7)) {
-            if (PyTuple_GET_SIZE(sequence) > 7) __Pyx_RaiseTooManyValuesError(7);
-            else __Pyx_RaiseNeedMoreValuesError(PyTuple_GET_SIZE(sequence));
-            {__pyx_filename = __pyx_f[8]; __pyx_lineno = 965; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-          }
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           __pyx_t_7 = PyTuple_GET_ITEM(sequence, 1); 
           __pyx_t_9 = PyTuple_GET_ITEM(sequence, 2); 
@@ -44271,11 +44397,6 @@ static PyObject *__pyx_gb_8_cdec_sa_23HieroCachingRuleFactory_24generator1(__pyx
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           __pyx_t_15 = PyTuple_GET_ITEM(sequence, 6); 
         } else {
-          if (unlikely(PyList_GET_SIZE(sequence) != 7)) {
-            if (PyList_GET_SIZE(sequence) > 7) __Pyx_RaiseTooManyValuesError(7);
-            else __Pyx_RaiseNeedMoreValuesError(PyList_GET_SIZE(sequence));
-            {__pyx_filename = __pyx_f[8]; __pyx_lineno = 965; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-          }
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           __pyx_t_7 = PyList_GET_ITEM(sequence, 1); 
           __pyx_t_9 = PyList_GET_ITEM(sequence, 2); 
@@ -44291,34 +44412,36 @@ static PyObject *__pyx_gb_8_cdec_sa_23HieroCachingRuleFactory_24generator1(__pyx
         __Pyx_INCREF(__pyx_t_3);
         __Pyx_INCREF(__pyx_t_14);
         __Pyx_INCREF(__pyx_t_15);
+        #else
+        Py_ssize_t i;
+        PyObject** temps[7] = {&__pyx_t_13,&__pyx_t_7,&__pyx_t_9,&__pyx_t_10,&__pyx_t_3,&__pyx_t_14,&__pyx_t_15};
+        for (i=0; i < 7; i++) {
+          PyObject* item = PySequence_ITEM(sequence, i); if (unlikely(!item)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 965; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          *(temps[i]) = item;
+        }
+        #endif
         __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
-      } else {
+      } else
+      {
         Py_ssize_t index = -1;
+        PyObject** temps[7] = {&__pyx_t_13,&__pyx_t_7,&__pyx_t_9,&__pyx_t_10,&__pyx_t_3,&__pyx_t_14,&__pyx_t_15};
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-        index = 0; __pyx_t_13 = __pyx_t_17(__pyx_t_16); if (unlikely(!__pyx_t_13)) goto __pyx_L21_unpacking_failed;
-        __Pyx_GOTREF(__pyx_t_13);
-        index = 1; __pyx_t_7 = __pyx_t_17(__pyx_t_16); if (unlikely(!__pyx_t_7)) goto __pyx_L21_unpacking_failed;
-        __Pyx_GOTREF(__pyx_t_7);
-        index = 2; __pyx_t_9 = __pyx_t_17(__pyx_t_16); if (unlikely(!__pyx_t_9)) goto __pyx_L21_unpacking_failed;
-        __Pyx_GOTREF(__pyx_t_9);
-        index = 3; __pyx_t_10 = __pyx_t_17(__pyx_t_16); if (unlikely(!__pyx_t_10)) goto __pyx_L21_unpacking_failed;
-        __Pyx_GOTREF(__pyx_t_10);
-        index = 4; __pyx_t_3 = __pyx_t_17(__pyx_t_16); if (unlikely(!__pyx_t_3)) goto __pyx_L21_unpacking_failed;
-        __Pyx_GOTREF(__pyx_t_3);
-        index = 5; __pyx_t_14 = __pyx_t_17(__pyx_t_16); if (unlikely(!__pyx_t_14)) goto __pyx_L21_unpacking_failed;
-        __Pyx_GOTREF(__pyx_t_14);
-        index = 6; __pyx_t_15 = __pyx_t_17(__pyx_t_16); if (unlikely(!__pyx_t_15)) goto __pyx_L21_unpacking_failed;
-        __Pyx_GOTREF(__pyx_t_15);
+        for (index=0; index < 7; index++) {
+          PyObject* item = __pyx_t_17(__pyx_t_16); if (unlikely(!item)) goto __pyx_L21_unpacking_failed;
+          __Pyx_GOTREF(item);
+          *(temps[index]) = item;
+        }
         if (__Pyx_IternextUnpackEndCheck(__pyx_t_17(__pyx_t_16), 7) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 965; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_17 = NULL;
         __Pyx_DECREF(__pyx_t_16); __pyx_t_16 = 0;
         goto __pyx_L22_unpacking_done;
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         __Pyx_DECREF(__pyx_t_16); __pyx_t_16 = 0;
-        if (PyErr_Occurred() && PyErr_ExceptionMatches(PyExc_StopIteration)) PyErr_Clear();
-        if (!PyErr_Occurred()) __Pyx_RaiseNeedMoreValuesError(index);
+        __pyx_t_17 = NULL;
+        if (__Pyx_IterFinish() == 0) __Pyx_RaiseNeedMoreValuesError(index);
         {__pyx_filename = __pyx_f[8]; __pyx_lineno = 965; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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@@ -44401,7 +44524,7 @@ static PyObject *__pyx_gb_8_cdec_sa_23HieroCachingRuleFactory_24generator1(__pyx
  *                     # skipping because word_id is epsilon
  *                     if i+spanlen >= len(fwords):
  */
-      __pyx_t_2 = PyInt_FromLong(__pyx_v_8_cdec_sa_EPSILON); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 969; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_2 = PyInt_FromLong(__pyx_v_3_sa_EPSILON); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 969; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_2);
       __pyx_t_15 = PyObject_RichCompare(__pyx_cur_scope->__pyx_v_word_id, __pyx_t_2, Py_EQ); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 969; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_15);
@@ -44524,8 +44647,8 @@ static PyObject *__pyx_gb_8_cdec_sa_23HieroCachingRuleFactory_24generator1(__pyx
  *                     continue
  * 
  *                 phrase = prefix + (word_id,)             # <<<<<<<<<<<<<<
- *                 str_phrase = map(sym_tostring, phrase)
  *                 hiero_phrase = Phrase(phrase)
+ *                 arity = hiero_phrase.arity()
  */
       __pyx_t_3 = PyTuple_New(1); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 977; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_3);
@@ -44544,67 +44667,41 @@ static PyObject *__pyx_gb_8_cdec_sa_23HieroCachingRuleFactory_24generator1(__pyx
       /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":978
  * 
  *                 phrase = prefix + (word_id,)
- *                 str_phrase = map(sym_tostring, phrase)             # <<<<<<<<<<<<<<
- *                 hiero_phrase = Phrase(phrase)
- *                 arity = hiero_phrase.arity()
- */
-      __pyx_t_15 = __Pyx_GetName(__pyx_m, __pyx_n_s__sym_tostring); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 978; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-      __Pyx_GOTREF(__pyx_t_15);
-      __pyx_t_3 = PyTuple_New(2); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 978; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-      __Pyx_GOTREF(__pyx_t_3);
-      PyTuple_SET_ITEM(__pyx_t_3, 0, __pyx_t_15);
-      __Pyx_GIVEREF(__pyx_t_15);
-      __Pyx_INCREF(__pyx_cur_scope->__pyx_v_phrase);
-      PyTuple_SET_ITEM(__pyx_t_3, 1, __pyx_cur_scope->__pyx_v_phrase);
-      __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_phrase);
-      __pyx_t_15 = 0;
-      __pyx_t_15 = PyObject_Call(__pyx_builtin_map, ((PyObject *)__pyx_t_3), NULL); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 978; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-      __Pyx_GOTREF(__pyx_t_15);
-      __Pyx_DECREF(((PyObject *)__pyx_t_3)); __pyx_t_3 = 0;
-      __Pyx_XGOTREF(__pyx_cur_scope->__pyx_v_str_phrase);
-      __Pyx_XDECREF(__pyx_cur_scope->__pyx_v_str_phrase);
-      __Pyx_GIVEREF(__pyx_t_15);
-      __pyx_cur_scope->__pyx_v_str_phrase = __pyx_t_15;
-      __pyx_t_15 = 0;
-
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":979
- *                 phrase = prefix + (word_id,)
- *                 str_phrase = map(sym_tostring, phrase)
  *                 hiero_phrase = Phrase(phrase)             # <<<<<<<<<<<<<<
  *                 arity = hiero_phrase.arity()
  * 
  */
-      __pyx_t_15 = PyTuple_New(1); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 979; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_15 = PyTuple_New(1); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 978; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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       PyTuple_SET_ITEM(__pyx_t_15, 0, __pyx_cur_scope->__pyx_v_phrase);
       __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_phrase);
-      __pyx_t_3 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_8_cdec_sa_Phrase)), ((PyObject *)__pyx_t_15), NULL); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 979; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_3 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_Phrase)), ((PyObject *)__pyx_t_15), NULL); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 978; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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       __Pyx_XDECREF(((PyObject *)__pyx_cur_scope->__pyx_v_hiero_phrase));
       __Pyx_GIVEREF(__pyx_t_3);
-      __pyx_cur_scope->__pyx_v_hiero_phrase = ((struct __pyx_obj_8_cdec_sa_Phrase *)__pyx_t_3);
+      __pyx_cur_scope->__pyx_v_hiero_phrase = ((struct __pyx_obj_3_sa_Phrase *)__pyx_t_3);
       __pyx_t_3 = 0;
 
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":980
- *                 str_phrase = map(sym_tostring, phrase)
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":979
+ *                 phrase = prefix + (word_id,)
  *                 hiero_phrase = Phrase(phrase)
  *                 arity = hiero_phrase.arity()             # <<<<<<<<<<<<<<
  * 
  *                 lookup_required = False
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-      __pyx_t_3 = PyObject_GetAttr(((PyObject *)__pyx_cur_scope->__pyx_v_hiero_phrase), __pyx_n_s__arity); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 980; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_3 = PyObject_GetAttr(((PyObject *)__pyx_cur_scope->__pyx_v_hiero_phrase), __pyx_n_s__arity); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 979; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_3);
-      __pyx_t_15 = PyObject_Call(__pyx_t_3, ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 980; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_15 = PyObject_Call(__pyx_t_3, ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 979; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_15);
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-      __pyx_t_18 = __Pyx_PyInt_AsInt(__pyx_t_15); if (unlikely((__pyx_t_18 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 980; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_18 = __Pyx_PyInt_AsInt(__pyx_t_15); if (unlikely((__pyx_t_18 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 979; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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       __pyx_cur_scope->__pyx_v_arity = __pyx_t_18;
 
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":982
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":981
  *                 arity = hiero_phrase.arity()
  * 
  *                 lookup_required = False             # <<<<<<<<<<<<<<
@@ -44613,36 +44710,36 @@ static PyObject *__pyx_gb_8_cdec_sa_23HieroCachingRuleFactory_24generator1(__pyx
  */
       __pyx_cur_scope->__pyx_v_lookup_required = 0;
 
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":983
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":982
  * 
  *                 lookup_required = False
  *                 if word_id in node.children:             # <<<<<<<<<<<<<<
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-      __pyx_t_15 = PyObject_GetAttr(__pyx_cur_scope->__pyx_v_node, __pyx_n_s__children); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 983; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_15 = PyObject_GetAttr(__pyx_cur_scope->__pyx_v_node, __pyx_n_s__children); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 982; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-      __pyx_t_8 = ((PySequence_Contains(__pyx_t_15, __pyx_cur_scope->__pyx_v_word_id))); if (unlikely(__pyx_t_8 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 983; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_8 = ((PySequence_Contains(__pyx_t_15, __pyx_cur_scope->__pyx_v_word_id))); if (unlikely(__pyx_t_8 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 982; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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       if (__pyx_t_8) {
 
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":984
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":983
  *                 lookup_required = False
  *                 if word_id in node.children:
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-        __pyx_t_15 = PyObject_GetAttr(__pyx_cur_scope->__pyx_v_node, __pyx_n_s__children); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 984; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_15 = PyObject_GetAttr(__pyx_cur_scope->__pyx_v_node, __pyx_n_s__children); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 983; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-        __pyx_t_3 = PyObject_GetItem(__pyx_t_15, __pyx_cur_scope->__pyx_v_word_id); if (!__pyx_t_3) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 984; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_3 = PyObject_GetItem(__pyx_t_15, __pyx_cur_scope->__pyx_v_word_id); if (!__pyx_t_3) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 983; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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         if (__pyx_t_8) {
 
-          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":986
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":985
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  *                         # Path dead-ends at this node
  *                         continue             # <<<<<<<<<<<<<<
@@ -44654,16 +44751,16 @@ static PyObject *__pyx_gb_8_cdec_sa_23HieroCachingRuleFactory_24generator1(__pyx
         }
         /*else*/ {
 
-          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":989
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":988
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  *                         node = node.children[word_id]             # <<<<<<<<<<<<<<
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+          __pyx_t_3 = PyObject_GetAttr(__pyx_cur_scope->__pyx_v_node, __pyx_n_s__children); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 988; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+          __pyx_t_15 = PyObject_GetItem(__pyx_t_3, __pyx_cur_scope->__pyx_v_word_id); if (!__pyx_t_15) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 988; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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       }
       /*else*/ {
 
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":991
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":990
  *                         node = node.children[word_id]
  *                 else:
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-        __pyx_t_15 = PyObject_GetAttr(__pyx_cur_scope->__pyx_v_node, __pyx_n_s__suffix_link); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 991; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_15 = PyObject_GetAttr(__pyx_cur_scope->__pyx_v_node, __pyx_n_s__suffix_link); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 990; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":993
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":992
  *                     if node.suffix_link is None:
  *                         # Current node is root; lookup required
  *                         lookup_required = True             # <<<<<<<<<<<<<<
@@ -44702,54 +44799,54 @@ static PyObject *__pyx_gb_8_cdec_sa_23HieroCachingRuleFactory_24generator1(__pyx
         }
         /*else*/ {
 
-          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":995
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":994
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  *                         if word_id in node.suffix_link.children:             # <<<<<<<<<<<<<<
  *                             if node.suffix_link.children[word_id] is None:
  *                                 # Suffix link reports path is dead end
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-          __pyx_t_15 = PyObject_GetAttr(__pyx_cur_scope->__pyx_v_node, __pyx_n_s__suffix_link); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 995; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_15 = PyObject_GetAttr(__pyx_cur_scope->__pyx_v_node, __pyx_n_s__suffix_link); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 994; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":996
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+            __pyx_t_3 = PyObject_GetAttr(__pyx_cur_scope->__pyx_v_node, __pyx_n_s__suffix_link); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 995; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+            __pyx_t_15 = PyObject_GetAttr(__pyx_t_3, __pyx_n_s__children); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 995; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+            __pyx_t_3 = PyObject_GetItem(__pyx_t_15, __pyx_cur_scope->__pyx_v_word_id); if (!__pyx_t_3) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 995; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":998
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":997
  *                             if node.suffix_link.children[word_id] is None:
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-              __pyx_t_3 = PyObject_GetAttr(__pyx_cur_scope->__pyx_v_node, __pyx_n_s__children); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 998; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __pyx_t_3 = PyObject_GetAttr(__pyx_cur_scope->__pyx_v_node, __pyx_n_s__children); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 997; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-              if (PyObject_SetItem(__pyx_t_3, __pyx_cur_scope->__pyx_v_word_id, Py_None) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 998; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              if (PyObject_SetItem(__pyx_t_3, __pyx_cur_scope->__pyx_v_word_id, Py_None) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 997; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
 
-              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":999
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":998
  *                                 # Suffix link reports path is dead end
  *                                 node.children[word_id] = None
  *                                 continue             # <<<<<<<<<<<<<<
@@ -44761,7 +44858,7 @@ static PyObject *__pyx_gb_8_cdec_sa_23HieroCachingRuleFactory_24generator1(__pyx
             }
             /*else*/ {
 
-              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1002
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1001
  *                             else:
  *                                 # Suffix link indicates lookup is reqired
  *                                 lookup_required = True             # <<<<<<<<<<<<<<
@@ -44775,18 +44872,18 @@ static PyObject *__pyx_gb_8_cdec_sa_23HieroCachingRuleFactory_24generator1(__pyx
           }
           /*else*/ {
 
-            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1005
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1004
  *                         else:
  *                             #ERROR: We never get here
  *                             raise Exception("Keyword trie error")             # <<<<<<<<<<<<<<
  *                 # checking whether lookup_required
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-            __pyx_t_3 = PyObject_Call(__pyx_builtin_Exception, ((PyObject *)__pyx_k_tuple_120), NULL); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1005; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_3 = PyObject_Call(__pyx_builtin_Exception, ((PyObject *)__pyx_k_tuple_120), NULL); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1004; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-            {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1005; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1004; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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@@ -44794,7 +44891,7 @@ static PyObject *__pyx_gb_8_cdec_sa_23HieroCachingRuleFactory_24generator1(__pyx
       }
       __pyx_L27:;
 
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1007
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1006
  *                             raise Exception("Keyword trie error")
  *                 # checking whether lookup_required
  *                 if lookup_required:             # <<<<<<<<<<<<<<
@@ -44803,7 +44900,7 @@ static PyObject *__pyx_gb_8_cdec_sa_23HieroCachingRuleFactory_24generator1(__pyx
  */
       if (__pyx_cur_scope->__pyx_v_lookup_required) {
 
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1008
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1007
  *                 # checking whether lookup_required
  *                 if lookup_required:
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@@ -44816,66 +44913,66 @@ static PyObject *__pyx_gb_8_cdec_sa_23HieroCachingRuleFactory_24generator1(__pyx
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-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1009
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1008
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-        __pyx_t_8 = __Pyx_PyObject_IsTrue(__pyx_cur_scope->__pyx_v_is_shadow_path); if (unlikely(__pyx_t_8 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1009; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1012
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1011
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  *                         # on the shadow path we don't do any search, we just use info from suffix link
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-          __pyx_t_3 = PyDict_New(); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1012; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+          __pyx_t_15 = PyObject_GetItem(__pyx_t_2, __pyx_cur_scope->__pyx_v_word_id); if (!__pyx_t_15) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1011; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+          __pyx_t_15 = PyObject_GetAttr(__pyx_t_2, __pyx_n_s__children); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1012; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+          if (PyDict_SetItem(__pyx_t_3, ((PyObject *)__pyx_n_s__suffix_link), __pyx_t_2) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1011; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
 
-          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1014
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+          if (PyDict_SetItem(__pyx_t_3, ((PyObject *)__pyx_n_s__phrase), ((PyObject *)__pyx_cur_scope->__pyx_v_hiero_phrase)) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1011; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_2 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_ExtendedTrieNode)), ((PyObject *)__pyx_empty_tuple), ((PyObject *)__pyx_t_3)); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1011; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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@@ -44887,7 +44984,7 @@ static PyObject *__pyx_gb_8_cdec_sa_23HieroCachingRuleFactory_24generator1(__pyx
         }
         /*else*/ {
 
-          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1016
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1015
  *                                 phrase=hiero_phrase)
  *                     else:
  *                         if arity > 0:             # <<<<<<<<<<<<<<
@@ -44897,71 +44994,75 @@ static PyObject *__pyx_gb_8_cdec_sa_23HieroCachingRuleFactory_24generator1(__pyx
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-            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1018
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1017
  *                         if arity > 0:
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  *                             phrase_location = self.intersect(node, node.suffix_link.children[word_id], hiero_phrase)             # <<<<<<<<<<<<<<
  *                         else:
  *                             # Suffix array search
  */
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+            __pyx_t_2 = PyObject_GetAttr(__pyx_cur_scope->__pyx_v_node, __pyx_n_s__suffix_link); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1017; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+            __pyx_t_3 = PyObject_GetAttr(__pyx_t_2, __pyx_n_s__children); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1017; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+            __pyx_t_2 = PyObject_GetItem(__pyx_t_3, __pyx_cur_scope->__pyx_v_word_id); if (!__pyx_t_2) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1017; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+            __pyx_t_3 = ((PyObject *)((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_cur_scope->__pyx_v_self->__pyx_vtab)->intersect(__pyx_cur_scope->__pyx_v_self, __pyx_cur_scope->__pyx_v_node, __pyx_t_2, __pyx_cur_scope->__pyx_v_hiero_phrase)); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1017; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-            __pyx_cur_scope->__pyx_v_phrase_location = ((struct __pyx_obj_8_cdec_sa_PhraseLocation *)__pyx_t_3);
+            __pyx_cur_scope->__pyx_v_phrase_location = ((struct __pyx_obj_3_sa_PhraseLocation *)__pyx_t_3);
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             goto __pyx_L34;
           }
           /*else*/ {
 
-            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1021
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1020
  *                         else:
  *                             # Suffix array search
  *                             phrase_location = node.phrase_location             # <<<<<<<<<<<<<<
- *                             sa_range = self.fsa.lookup(str_phrase[-1], len(str_phrase)-1, phrase_location.sa_low, phrase_location.sa_high)
+ *                             sa_range = self.fsa.lookup(sym_tostring(phrase[-1]), len(phrase)-1, phrase_location.sa_low, phrase_location.sa_high)
  *                             if sa_range is not None:
  */
-            __pyx_t_3 = PyObject_GetAttr(__pyx_cur_scope->__pyx_v_node, __pyx_n_s__phrase_location); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1021; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_3 = PyObject_GetAttr(__pyx_cur_scope->__pyx_v_node, __pyx_n_s__phrase_location); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1020; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-            if (!(likely(((__pyx_t_3) == Py_None) || likely(__Pyx_TypeTest(__pyx_t_3, __pyx_ptype_8_cdec_sa_PhraseLocation))))) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1021; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            if (!(likely(((__pyx_t_3) == Py_None) || likely(__Pyx_TypeTest(__pyx_t_3, __pyx_ptype_3_sa_PhraseLocation))))) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1020; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             __Pyx_XGOTREF(((PyObject *)__pyx_cur_scope->__pyx_v_phrase_location));
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             __Pyx_GIVEREF(__pyx_t_3);
-            __pyx_cur_scope->__pyx_v_phrase_location = ((struct __pyx_obj_8_cdec_sa_PhraseLocation *)__pyx_t_3);
+            __pyx_cur_scope->__pyx_v_phrase_location = ((struct __pyx_obj_3_sa_PhraseLocation *)__pyx_t_3);
             __pyx_t_3 = 0;
 
-            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1022
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1021
  *                             # Suffix array search
  *                             phrase_location = node.phrase_location
- *                             sa_range = self.fsa.lookup(str_phrase[-1], len(str_phrase)-1, phrase_location.sa_low, phrase_location.sa_high)             # <<<<<<<<<<<<<<
+ *                             sa_range = self.fsa.lookup(sym_tostring(phrase[-1]), len(phrase)-1, phrase_location.sa_low, phrase_location.sa_high)             # <<<<<<<<<<<<<<
  *                             if sa_range is not None:
  *                                 phrase_location = PhraseLocation(sa_low=sa_range[0], sa_high=sa_range[1])
  */
-            __pyx_t_3 = PyObject_GetAttr(((PyObject *)__pyx_cur_scope->__pyx_v_self->fsa), __pyx_n_s__lookup); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1022; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_3 = PyObject_GetAttr(((PyObject *)__pyx_cur_scope->__pyx_v_self->fsa), __pyx_n_s__lookup); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1021; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-            __pyx_t_2 = __Pyx_GetItemInt(__pyx_cur_scope->__pyx_v_str_phrase, -1, sizeof(long), PyInt_FromLong); if (!__pyx_t_2) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1022; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_2 = __Pyx_GetItemInt(__pyx_cur_scope->__pyx_v_phrase, -1, sizeof(long), PyInt_FromLong); if (!__pyx_t_2) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1021; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-            __pyx_t_5 = PyObject_Length(__pyx_cur_scope->__pyx_v_str_phrase); if (unlikely(__pyx_t_5 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1022; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-            __pyx_t_15 = PyInt_FromSsize_t((__pyx_t_5 - 1)); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1022; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_18 = __Pyx_PyInt_AsInt(__pyx_t_2); if (unlikely((__pyx_t_18 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1021; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+            __pyx_t_2 = PyBytes_FromString(__pyx_f_3_sa_sym_tostring(__pyx_t_18)); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1021; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __Pyx_GOTREF(((PyObject *)__pyx_t_2));
+            __pyx_t_5 = PyObject_Length(__pyx_cur_scope->__pyx_v_phrase); if (unlikely(__pyx_t_5 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1021; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_15 = PyInt_FromSsize_t((__pyx_t_5 - 1)); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1021; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-            __pyx_t_14 = PyInt_FromLong(__pyx_cur_scope->__pyx_v_phrase_location->sa_low); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1022; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_14 = PyInt_FromLong(__pyx_cur_scope->__pyx_v_phrase_location->sa_low); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1021; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-            __pyx_t_10 = PyInt_FromLong(__pyx_cur_scope->__pyx_v_phrase_location->sa_high); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1022; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_10 = PyInt_FromLong(__pyx_cur_scope->__pyx_v_phrase_location->sa_high); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1021; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-            __pyx_t_9 = PyTuple_New(4); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1022; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_9 = PyTuple_New(4); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1021; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             __Pyx_GOTREF(__pyx_t_9);
-            PyTuple_SET_ITEM(__pyx_t_9, 0, __pyx_t_2);
-            __Pyx_GIVEREF(__pyx_t_2);
+            PyTuple_SET_ITEM(__pyx_t_9, 0, ((PyObject *)__pyx_t_2));
+            __Pyx_GIVEREF(((PyObject *)__pyx_t_2));
             PyTuple_SET_ITEM(__pyx_t_9, 1, __pyx_t_15);
             __Pyx_GIVEREF(__pyx_t_15);
             PyTuple_SET_ITEM(__pyx_t_9, 2, __pyx_t_14);
@@ -44972,7 +45073,7 @@ static PyObject *__pyx_gb_8_cdec_sa_23HieroCachingRuleFactory_24generator1(__pyx
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             __pyx_t_14 = 0;
             __pyx_t_10 = 0;
-            __pyx_t_10 = PyObject_Call(__pyx_t_3, ((PyObject *)__pyx_t_9), NULL); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1022; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_10 = PyObject_Call(__pyx_t_3, ((PyObject *)__pyx_t_9), NULL); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1021; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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             __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
             __Pyx_DECREF(((PyObject *)__pyx_t_9)); __pyx_t_9 = 0;
@@ -44982,9 +45083,9 @@ static PyObject *__pyx_gb_8_cdec_sa_23HieroCachingRuleFactory_24generator1(__pyx
             __pyx_cur_scope->__pyx_v_sa_range = __pyx_t_10;
             __pyx_t_10 = 0;
 
-            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1023
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1022
  *                             phrase_location = node.phrase_location
- *                             sa_range = self.fsa.lookup(str_phrase[-1], len(str_phrase)-1, phrase_location.sa_low, phrase_location.sa_high)
+ *                             sa_range = self.fsa.lookup(sym_tostring(phrase[-1]), len(phrase)-1, phrase_location.sa_low, phrase_location.sa_high)
  *                             if sa_range is not None:             # <<<<<<<<<<<<<<
  *                                 phrase_location = PhraseLocation(sa_low=sa_range[0], sa_high=sa_range[1])
  *                             else:
@@ -44992,36 +45093,36 @@ static PyObject *__pyx_gb_8_cdec_sa_23HieroCachingRuleFactory_24generator1(__pyx
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-              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1024
- *                             sa_range = self.fsa.lookup(str_phrase[-1], len(str_phrase)-1, phrase_location.sa_low, phrase_location.sa_high)
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1023
+ *                             sa_range = self.fsa.lookup(sym_tostring(phrase[-1]), len(phrase)-1, phrase_location.sa_low, phrase_location.sa_high)
  *                             if sa_range is not None:
  *                                 phrase_location = PhraseLocation(sa_low=sa_range[0], sa_high=sa_range[1])             # <<<<<<<<<<<<<<
  *                             else:
  *                                 phrase_location = None
  */
-              __pyx_t_10 = PyDict_New(); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1024; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __pyx_t_10 = PyDict_New(); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1023; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               __Pyx_GOTREF(((PyObject *)__pyx_t_10));
-              __pyx_t_9 = __Pyx_GetItemInt(__pyx_cur_scope->__pyx_v_sa_range, 0, sizeof(long), PyInt_FromLong); if (!__pyx_t_9) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1024; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __pyx_t_9 = __Pyx_GetItemInt(__pyx_cur_scope->__pyx_v_sa_range, 0, sizeof(long), PyInt_FromLong); if (!__pyx_t_9) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1023; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               __Pyx_GOTREF(__pyx_t_9);
-              if (PyDict_SetItem(__pyx_t_10, ((PyObject *)__pyx_n_s__sa_low), __pyx_t_9) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1024; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              if (PyDict_SetItem(__pyx_t_10, ((PyObject *)__pyx_n_s__sa_low), __pyx_t_9) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1023; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               __Pyx_DECREF(__pyx_t_9); __pyx_t_9 = 0;
-              __pyx_t_9 = __Pyx_GetItemInt(__pyx_cur_scope->__pyx_v_sa_range, 1, sizeof(long), PyInt_FromLong); if (!__pyx_t_9) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1024; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __pyx_t_9 = __Pyx_GetItemInt(__pyx_cur_scope->__pyx_v_sa_range, 1, sizeof(long), PyInt_FromLong); if (!__pyx_t_9) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1023; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               __Pyx_GOTREF(__pyx_t_9);
-              if (PyDict_SetItem(__pyx_t_10, ((PyObject *)__pyx_n_s__sa_high), __pyx_t_9) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1024; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              if (PyDict_SetItem(__pyx_t_10, ((PyObject *)__pyx_n_s__sa_high), __pyx_t_9) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1023; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               __Pyx_DECREF(__pyx_t_9); __pyx_t_9 = 0;
-              __pyx_t_9 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_8_cdec_sa_PhraseLocation)), ((PyObject *)__pyx_empty_tuple), ((PyObject *)__pyx_t_10)); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1024; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __pyx_t_9 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_PhraseLocation)), ((PyObject *)__pyx_empty_tuple), ((PyObject *)__pyx_t_10)); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1023; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               __Pyx_GOTREF(__pyx_t_9);
               __Pyx_DECREF(((PyObject *)__pyx_t_10)); __pyx_t_10 = 0;
               __Pyx_GOTREF(((PyObject *)__pyx_cur_scope->__pyx_v_phrase_location));
               __Pyx_DECREF(((PyObject *)__pyx_cur_scope->__pyx_v_phrase_location));
               __Pyx_GIVEREF(__pyx_t_9);
-              __pyx_cur_scope->__pyx_v_phrase_location = ((struct __pyx_obj_8_cdec_sa_PhraseLocation *)__pyx_t_9);
+              __pyx_cur_scope->__pyx_v_phrase_location = ((struct __pyx_obj_3_sa_PhraseLocation *)__pyx_t_9);
               __pyx_t_9 = 0;
               goto __pyx_L35;
             }
             /*else*/ {
 
-              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1026
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1025
  *                                 phrase_location = PhraseLocation(sa_low=sa_range[0], sa_high=sa_range[1])
  *                             else:
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@@ -45032,13 +45133,13 @@ static PyObject *__pyx_gb_8_cdec_sa_23HieroCachingRuleFactory_24generator1(__pyx
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               __Pyx_DECREF(((PyObject *)__pyx_cur_scope->__pyx_v_phrase_location));
               __Pyx_GIVEREF(Py_None);
-              __pyx_cur_scope->__pyx_v_phrase_location = ((struct __pyx_obj_8_cdec_sa_PhraseLocation *)Py_None);
+              __pyx_cur_scope->__pyx_v_phrase_location = ((struct __pyx_obj_3_sa_PhraseLocation *)Py_None);
             }
             __pyx_L35:;
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           __pyx_L34:;
 
-          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1028
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1027
  *                                 phrase_location = None
  * 
  *                         if phrase_location is None:             # <<<<<<<<<<<<<<
@@ -45048,19 +45149,19 @@ static PyObject *__pyx_gb_8_cdec_sa_23HieroCachingRuleFactory_24generator1(__pyx
           __pyx_t_8 = (((PyObject *)__pyx_cur_scope->__pyx_v_phrase_location) == Py_None);
           if (__pyx_t_8) {
 
-            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1029
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1028
  * 
  *                         if phrase_location is None:
  *                             node.children[word_id] = None             # <<<<<<<<<<<<<<
  *                             # Search failed
  *                             continue
  */
-            __pyx_t_9 = PyObject_GetAttr(__pyx_cur_scope->__pyx_v_node, __pyx_n_s__children); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1029; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_9 = PyObject_GetAttr(__pyx_cur_scope->__pyx_v_node, __pyx_n_s__children); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1028; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             __Pyx_GOTREF(__pyx_t_9);
-            if (PyObject_SetItem(__pyx_t_9, __pyx_cur_scope->__pyx_v_word_id, Py_None) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1029; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            if (PyObject_SetItem(__pyx_t_9, __pyx_cur_scope->__pyx_v_word_id, Py_None) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1028; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             __Pyx_DECREF(__pyx_t_9); __pyx_t_9 = 0;
 
-            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1031
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1030
  *                             node.children[word_id] = None
  *                             # Search failed
  *                             continue             # <<<<<<<<<<<<<<
@@ -45072,7 +45173,7 @@ static PyObject *__pyx_gb_8_cdec_sa_23HieroCachingRuleFactory_24generator1(__pyx
           }
           __pyx_L36:;
 
-          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1033
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1032
  *                             continue
  *                         # Search succeeded
  *                         suffix_link = self.rules.root             # <<<<<<<<<<<<<<
@@ -45085,32 +45186,32 @@ static PyObject *__pyx_gb_8_cdec_sa_23HieroCachingRuleFactory_24generator1(__pyx
           __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_self->rules->root);
           __pyx_cur_scope->__pyx_v_suffix_link = __pyx_cur_scope->__pyx_v_self->rules->root;
 
-          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1034
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1033
  *                         # Search succeeded
  *                         suffix_link = self.rules.root
  *                         if node.suffix_link is not None:             # <<<<<<<<<<<<<<
  *                             suffix_link = node.suffix_link.children[word_id]
  *                         new_node = ExtendedTrieNode(phrase_location=phrase_location,
  */
-          __pyx_t_9 = PyObject_GetAttr(__pyx_cur_scope->__pyx_v_node, __pyx_n_s__suffix_link); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1034; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_9 = PyObject_GetAttr(__pyx_cur_scope->__pyx_v_node, __pyx_n_s__suffix_link); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1033; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_GOTREF(__pyx_t_9);
           __pyx_t_8 = (__pyx_t_9 != Py_None);
           __Pyx_DECREF(__pyx_t_9); __pyx_t_9 = 0;
           if (__pyx_t_8) {
 
-            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1035
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1034
  *                         suffix_link = self.rules.root
  *                         if node.suffix_link is not None:
  *                             suffix_link = node.suffix_link.children[word_id]             # <<<<<<<<<<<<<<
  *                         new_node = ExtendedTrieNode(phrase_location=phrase_location,
  *                                 suffix_link=suffix_link,
  */
-            __pyx_t_9 = PyObject_GetAttr(__pyx_cur_scope->__pyx_v_node, __pyx_n_s__suffix_link); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1035; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_9 = PyObject_GetAttr(__pyx_cur_scope->__pyx_v_node, __pyx_n_s__suffix_link); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1034; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             __Pyx_GOTREF(__pyx_t_9);
-            __pyx_t_10 = PyObject_GetAttr(__pyx_t_9, __pyx_n_s__children); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1035; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_10 = PyObject_GetAttr(__pyx_t_9, __pyx_n_s__children); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1034; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             __Pyx_GOTREF(__pyx_t_10);
             __Pyx_DECREF(__pyx_t_9); __pyx_t_9 = 0;
-            __pyx_t_9 = PyObject_GetItem(__pyx_t_10, __pyx_cur_scope->__pyx_v_word_id); if (!__pyx_t_9) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1035; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_9 = PyObject_GetItem(__pyx_t_10, __pyx_cur_scope->__pyx_v_word_id); if (!__pyx_t_9) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1034; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             __Pyx_GOTREF(__pyx_t_9);
             __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
             __Pyx_GOTREF(__pyx_cur_scope->__pyx_v_suffix_link);
@@ -45122,35 +45223,35 @@ static PyObject *__pyx_gb_8_cdec_sa_23HieroCachingRuleFactory_24generator1(__pyx
           }
           __pyx_L37:;
 
-          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1036
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1035
  *                         if node.suffix_link is not None:
  *                             suffix_link = node.suffix_link.children[word_id]
  *                         new_node = ExtendedTrieNode(phrase_location=phrase_location,             # <<<<<<<<<<<<<<
  *                                 suffix_link=suffix_link,
  *                                 phrase=hiero_phrase)
  */
-          __pyx_t_9 = PyDict_New(); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1036; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_9 = PyDict_New(); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1035; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_GOTREF(((PyObject *)__pyx_t_9));
-          if (PyDict_SetItem(__pyx_t_9, ((PyObject *)__pyx_n_s__phrase_location), ((PyObject *)__pyx_cur_scope->__pyx_v_phrase_location)) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1036; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          if (PyDict_SetItem(__pyx_t_9, ((PyObject *)__pyx_n_s__phrase_location), ((PyObject *)__pyx_cur_scope->__pyx_v_phrase_location)) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1035; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
 
-          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1037
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1036
  *                             suffix_link = node.suffix_link.children[word_id]
  *                         new_node = ExtendedTrieNode(phrase_location=phrase_location,
  *                                 suffix_link=suffix_link,             # <<<<<<<<<<<<<<
  *                                 phrase=hiero_phrase)
  *                     node.children[word_id] = new_node
  */
-          if (PyDict_SetItem(__pyx_t_9, ((PyObject *)__pyx_n_s__suffix_link), __pyx_cur_scope->__pyx_v_suffix_link) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1036; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          if (PyDict_SetItem(__pyx_t_9, ((PyObject *)__pyx_n_s__suffix_link), __pyx_cur_scope->__pyx_v_suffix_link) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1035; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
 
-          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1038
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1037
  *                         new_node = ExtendedTrieNode(phrase_location=phrase_location,
  *                                 suffix_link=suffix_link,
  *                                 phrase=hiero_phrase)             # <<<<<<<<<<<<<<
  *                     node.children[word_id] = new_node
  *                     node = new_node
  */
-          if (PyDict_SetItem(__pyx_t_9, ((PyObject *)__pyx_n_s__phrase), ((PyObject *)__pyx_cur_scope->__pyx_v_hiero_phrase)) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1036; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-          __pyx_t_10 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_8_cdec_sa_ExtendedTrieNode)), ((PyObject *)__pyx_empty_tuple), ((PyObject *)__pyx_t_9)); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1036; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          if (PyDict_SetItem(__pyx_t_9, ((PyObject *)__pyx_n_s__phrase), ((PyObject *)__pyx_cur_scope->__pyx_v_hiero_phrase)) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1035; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_10 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_ExtendedTrieNode)), ((PyObject *)__pyx_empty_tuple), ((PyObject *)__pyx_t_9)); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1035; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_GOTREF(__pyx_t_10);
           __Pyx_DECREF(((PyObject *)__pyx_t_9)); __pyx_t_9 = 0;
           __Pyx_GOTREF(__pyx_cur_scope->__pyx_v_new_node);
@@ -45161,19 +45262,19 @@ static PyObject *__pyx_gb_8_cdec_sa_23HieroCachingRuleFactory_24generator1(__pyx
         }
         __pyx_L33:;
 
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1039
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1038
  *                                 suffix_link=suffix_link,
  *                                 phrase=hiero_phrase)
  *                     node.children[word_id] = new_node             # <<<<<<<<<<<<<<
  *                     node = new_node
  * 
  */
-        __pyx_t_10 = PyObject_GetAttr(__pyx_cur_scope->__pyx_v_node, __pyx_n_s__children); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1039; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_10 = PyObject_GetAttr(__pyx_cur_scope->__pyx_v_node, __pyx_n_s__children); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1038; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_10);
-        if (PyObject_SetItem(__pyx_t_10, __pyx_cur_scope->__pyx_v_word_id, __pyx_cur_scope->__pyx_v_new_node) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1039; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        if (PyObject_SetItem(__pyx_t_10, __pyx_cur_scope->__pyx_v_word_id, __pyx_cur_scope->__pyx_v_new_node) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1038; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
 
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1040
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1039
  *                                 phrase=hiero_phrase)
  *                     node.children[word_id] = new_node
  *                     node = new_node             # <<<<<<<<<<<<<<
@@ -45186,7 +45287,7 @@ static PyObject *__pyx_gb_8_cdec_sa_23HieroCachingRuleFactory_24generator1(__pyx
         __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_new_node);
         __pyx_cur_scope->__pyx_v_node = __pyx_cur_scope->__pyx_v_new_node;
 
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1045
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1044
  *                     This should happen before we get to extraction (so that
  *                     the node will exist if needed)'''
  *                     if arity < self.max_nonterminals:             # <<<<<<<<<<<<<<
@@ -45196,14 +45297,14 @@ static PyObject *__pyx_gb_8_cdec_sa_23HieroCachingRuleFactory_24generator1(__pyx
         __pyx_t_8 = (__pyx_cur_scope->__pyx_v_arity < __pyx_cur_scope->__pyx_v_self->max_nonterminals);
         if (__pyx_t_8) {
 
-          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1046
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1045
  *                     the node will exist if needed)'''
  *                     if arity < self.max_nonterminals:
  *                         xcat_index = arity+1             # <<<<<<<<<<<<<<
  *                         xcat = sym_setindex(self.category, xcat_index)
  *                         suffix_link_xcat_index = xcat_index
  */
-          __pyx_t_10 = PyInt_FromLong((__pyx_cur_scope->__pyx_v_arity + 1)); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1046; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_10 = PyInt_FromLong((__pyx_cur_scope->__pyx_v_arity + 1)); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1045; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_GOTREF(__pyx_t_10);
           __Pyx_XGOTREF(__pyx_cur_scope->__pyx_v_xcat_index);
           __Pyx_XDECREF(__pyx_cur_scope->__pyx_v_xcat_index);
@@ -45211,17 +45312,17 @@ static PyObject *__pyx_gb_8_cdec_sa_23HieroCachingRuleFactory_24generator1(__pyx
           __pyx_cur_scope->__pyx_v_xcat_index = __pyx_t_10;
           __pyx_t_10 = 0;
 
-          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1047
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1046
  *                     if arity < self.max_nonterminals:
  *                         xcat_index = arity+1
  *                         xcat = sym_setindex(self.category, xcat_index)             # <<<<<<<<<<<<<<
  *                         suffix_link_xcat_index = xcat_index
  *                         if is_shadow_path:
  */
-          __pyx_t_18 = __Pyx_PyInt_AsInt(__pyx_cur_scope->__pyx_v_xcat_index); if (unlikely((__pyx_t_18 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1047; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-          __pyx_cur_scope->__pyx_v_xcat = __pyx_f_8_cdec_sa_sym_setindex(__pyx_cur_scope->__pyx_v_self->category, __pyx_t_18);
+          __pyx_t_18 = __Pyx_PyInt_AsInt(__pyx_cur_scope->__pyx_v_xcat_index); if (unlikely((__pyx_t_18 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1046; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_cur_scope->__pyx_v_xcat = __pyx_f_3_sa_sym_setindex(__pyx_cur_scope->__pyx_v_self->category, __pyx_t_18);
 
-          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1048
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1047
  *                         xcat_index = arity+1
  *                         xcat = sym_setindex(self.category, xcat_index)
  *                         suffix_link_xcat_index = xcat_index             # <<<<<<<<<<<<<<
@@ -45234,24 +45335,24 @@ static PyObject *__pyx_gb_8_cdec_sa_23HieroCachingRuleFactory_24generator1(__pyx
           __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_xcat_index);
           __pyx_cur_scope->__pyx_v_suffix_link_xcat_index = __pyx_cur_scope->__pyx_v_xcat_index;
 
-          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1049
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1048
  *                         xcat = sym_setindex(self.category, xcat_index)
  *                         suffix_link_xcat_index = xcat_index
  *                         if is_shadow_path:             # <<<<<<<<<<<<<<
  *                             suffix_link_xcat_index = xcat_index-1
  *                         suffix_link_xcat = sym_setindex(self.category, suffix_link_xcat_index)
  */
-          __pyx_t_8 = __Pyx_PyObject_IsTrue(__pyx_cur_scope->__pyx_v_is_shadow_path); if (unlikely(__pyx_t_8 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1049; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_8 = __Pyx_PyObject_IsTrue(__pyx_cur_scope->__pyx_v_is_shadow_path); if (unlikely(__pyx_t_8 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1048; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           if (__pyx_t_8) {
 
-            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1050
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1049
  *                         suffix_link_xcat_index = xcat_index
  *                         if is_shadow_path:
  *                             suffix_link_xcat_index = xcat_index-1             # <<<<<<<<<<<<<<
  *                         suffix_link_xcat = sym_setindex(self.category, suffix_link_xcat_index)
  *                         node.children[xcat] = ExtendedTrieNode(phrase_location=node.phrase_location,
  */
-            __pyx_t_10 = PyNumber_Subtract(__pyx_cur_scope->__pyx_v_xcat_index, __pyx_int_1); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1050; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_10 = PyNumber_Subtract(__pyx_cur_scope->__pyx_v_xcat_index, __pyx_int_1); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1049; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             __Pyx_GOTREF(__pyx_t_10);
             __Pyx_GOTREF(__pyx_cur_scope->__pyx_v_suffix_link_xcat_index);
             __Pyx_DECREF(__pyx_cur_scope->__pyx_v_suffix_link_xcat_index);
@@ -45262,168 +45363,168 @@ static PyObject *__pyx_gb_8_cdec_sa_23HieroCachingRuleFactory_24generator1(__pyx
           }
           __pyx_L39:;
 
-          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1051
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1050
  *                         if is_shadow_path:
  *                             suffix_link_xcat_index = xcat_index-1
  *                         suffix_link_xcat = sym_setindex(self.category, suffix_link_xcat_index)             # <<<<<<<<<<<<<<
  *                         node.children[xcat] = ExtendedTrieNode(phrase_location=node.phrase_location,
  *                                 suffix_link=node.suffix_link.children[suffix_link_xcat],
  */
-          __pyx_t_18 = __Pyx_PyInt_AsInt(__pyx_cur_scope->__pyx_v_suffix_link_xcat_index); if (unlikely((__pyx_t_18 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1051; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-          __pyx_cur_scope->__pyx_v_suffix_link_xcat = __pyx_f_8_cdec_sa_sym_setindex(__pyx_cur_scope->__pyx_v_self->category, __pyx_t_18);
+          __pyx_t_18 = __Pyx_PyInt_AsInt(__pyx_cur_scope->__pyx_v_suffix_link_xcat_index); if (unlikely((__pyx_t_18 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1050; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_cur_scope->__pyx_v_suffix_link_xcat = __pyx_f_3_sa_sym_setindex(__pyx_cur_scope->__pyx_v_self->category, __pyx_t_18);
 
-          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1052
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1051
  *                             suffix_link_xcat_index = xcat_index-1
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-          __pyx_cur_scope->__pyx_v_chunklen = ((struct __pyx_obj_8_cdec_sa_IntList *)__pyx_t_3);
+          __pyx_cur_scope->__pyx_v_chunklen = ((struct __pyx_obj_3_sa_IntList *)__pyx_t_3);
           __pyx_t_3 = 0;
 
-          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1061
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1060
  *                         num_subpatterns = (<PhraseLocation> node.phrase_location).num_subpatterns
  *                         chunklen = IntList(initial_len=num_subpatterns)
  *                         for j from 0 <= j < num_subpatterns:             # <<<<<<<<<<<<<<
@@ -45433,24 +45534,24 @@ static PyObject *__pyx_gb_8_cdec_sa_23HieroCachingRuleFactory_24generator1(__pyx
           __pyx_t_18 = __pyx_cur_scope->__pyx_v_num_subpatterns;
           for (__pyx_cur_scope->__pyx_v_j = 0; __pyx_cur_scope->__pyx_v_j < __pyx_t_18; __pyx_cur_scope->__pyx_v_j++) {
 
-            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1062
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1061
  *                         chunklen = IntList(initial_len=num_subpatterns)
  *                         for j from 0 <= j < num_subpatterns:
  *                             chunklen.arr[j] = hiero_phrase.chunklen(j)             # <<<<<<<<<<<<<<
  *                         extracts = []
  *                         j = 0
  */
-            (__pyx_cur_scope->__pyx_v_chunklen->arr[__pyx_cur_scope->__pyx_v_j]) = ((struct __pyx_vtabstruct_8_cdec_sa_Phrase *)__pyx_cur_scope->__pyx_v_hiero_phrase->__pyx_vtab)->chunklen(__pyx_cur_scope->__pyx_v_hiero_phrase, __pyx_cur_scope->__pyx_v_j);
+            (__pyx_cur_scope->__pyx_v_chunklen->arr[__pyx_cur_scope->__pyx_v_j]) = ((struct __pyx_vtabstruct_3_sa_Phrase *)__pyx_cur_scope->__pyx_v_hiero_phrase->__pyx_vtab)->chunklen(__pyx_cur_scope->__pyx_v_hiero_phrase, __pyx_cur_scope->__pyx_v_j);
           }
 
-          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1063
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1062
  *                         for j from 0 <= j < num_subpatterns:
  *                             chunklen.arr[j] = hiero_phrase.chunklen(j)
  *                         extracts = []             # <<<<<<<<<<<<<<
  *                         j = 0
  *                         extract_start = monitor_cpu()
  */
-          __pyx_t_3 = PyList_New(0); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1063; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_3 = PyList_New(0); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1062; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_GOTREF(__pyx_t_3);
           __Pyx_XGOTREF(((PyObject *)__pyx_cur_scope->__pyx_v_extracts));
           __Pyx_XDECREF(((PyObject *)__pyx_cur_scope->__pyx_v_extracts));
@@ -45458,7 +45559,7 @@ static PyObject *__pyx_gb_8_cdec_sa_23HieroCachingRuleFactory_24generator1(__pyx
           __pyx_cur_scope->__pyx_v_extracts = __pyx_t_3;
           __pyx_t_3 = 0;
 
-          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1064
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1063
  *                             chunklen.arr[j] = hiero_phrase.chunklen(j)
  *                         extracts = []
  *                         j = 0             # <<<<<<<<<<<<<<
@@ -45467,14 +45568,14 @@ static PyObject *__pyx_gb_8_cdec_sa_23HieroCachingRuleFactory_24generator1(__pyx
  */
           __pyx_cur_scope->__pyx_v_j = 0;
 
-          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1065
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1064
  *                         extracts = []
  *                         j = 0
  *                         extract_start = monitor_cpu()             # <<<<<<<<<<<<<<
  *                         while j < sample.len:
  *                             extract = []
  */
-          __pyx_t_3 = PyFloat_FromDouble(__pyx_f_8_cdec_sa_monitor_cpu()); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1065; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_3 = PyFloat_FromDouble(__pyx_f_3_sa_monitor_cpu()); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1064; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_GOTREF(__pyx_t_3);
           __Pyx_XGOTREF(__pyx_cur_scope->__pyx_v_extract_start);
           __Pyx_XDECREF(__pyx_cur_scope->__pyx_v_extract_start);
@@ -45482,7 +45583,7 @@ static PyObject *__pyx_gb_8_cdec_sa_23HieroCachingRuleFactory_24generator1(__pyx
           __pyx_cur_scope->__pyx_v_extract_start = __pyx_t_3;
           __pyx_t_3 = 0;
 
-          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1066
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1065
  *                         j = 0
  *                         extract_start = monitor_cpu()
  *                         while j < sample.len:             # <<<<<<<<<<<<<<
@@ -45493,14 +45594,14 @@ static PyObject *__pyx_gb_8_cdec_sa_23HieroCachingRuleFactory_24generator1(__pyx
             __pyx_t_19 = (__pyx_cur_scope->__pyx_v_j < __pyx_cur_scope->__pyx_v_sample->len);
             if (!__pyx_t_19) break;
 
-            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1067
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1066
  *                         extract_start = monitor_cpu()
  *                         while j < sample.len:
  *                             extract = []             # <<<<<<<<<<<<<<
  * 
  *                             assign_matching(&matching, sample.arr, j, num_subpatterns, self.fda.sent_id.arr)
  */
-            __pyx_t_3 = PyList_New(0); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1067; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_3 = PyList_New(0); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1066; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             __Pyx_GOTREF(__pyx_t_3);
             __Pyx_XGOTREF(__pyx_cur_scope->__pyx_v_extract);
             __Pyx_XDECREF(__pyx_cur_scope->__pyx_v_extract);
@@ -45508,23 +45609,23 @@ static PyObject *__pyx_gb_8_cdec_sa_23HieroCachingRuleFactory_24generator1(__pyx
             __pyx_cur_scope->__pyx_v_extract = ((PyObject *)__pyx_t_3);
             __pyx_t_3 = 0;
 
-            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1069
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1068
  *                             extract = []
  * 
  *                             assign_matching(&matching, sample.arr, j, num_subpatterns, self.fda.sent_id.arr)             # <<<<<<<<<<<<<<
  *                             extract = self.extract(hiero_phrase, &matching, chunklen.arr, num_subpatterns)
  *                             extracts.extend(extract)
  */
-            __pyx_f_8_cdec_sa_assign_matching((&__pyx_cur_scope->__pyx_v_matching), __pyx_cur_scope->__pyx_v_sample->arr, __pyx_cur_scope->__pyx_v_j, __pyx_cur_scope->__pyx_v_num_subpatterns, __pyx_cur_scope->__pyx_v_self->fda->sent_id->arr);
+            __pyx_f_3_sa_assign_matching((&__pyx_cur_scope->__pyx_v_matching), __pyx_cur_scope->__pyx_v_sample->arr, __pyx_cur_scope->__pyx_v_j, __pyx_cur_scope->__pyx_v_num_subpatterns, __pyx_cur_scope->__pyx_v_self->fda->sent_id->arr);
 
-            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1070
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1069
  * 
  *                             assign_matching(&matching, sample.arr, j, num_subpatterns, self.fda.sent_id.arr)
  *                             extract = self.extract(hiero_phrase, &matching, chunklen.arr, num_subpatterns)             # <<<<<<<<<<<<<<
  *                             extracts.extend(extract)
  *                             j = j + num_subpatterns
  */
-            __pyx_t_3 = ((struct __pyx_vtabstruct_8_cdec_sa_HieroCachingRuleFactory *)__pyx_cur_scope->__pyx_v_self->__pyx_vtab)->extract(__pyx_cur_scope->__pyx_v_self, __pyx_cur_scope->__pyx_v_hiero_phrase, (&__pyx_cur_scope->__pyx_v_matching), __pyx_cur_scope->__pyx_v_chunklen->arr, __pyx_cur_scope->__pyx_v_num_subpatterns); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1070; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_3 = ((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_cur_scope->__pyx_v_self->__pyx_vtab)->extract(__pyx_cur_scope->__pyx_v_self, __pyx_cur_scope->__pyx_v_hiero_phrase, (&__pyx_cur_scope->__pyx_v_matching), __pyx_cur_scope->__pyx_v_chunklen->arr, __pyx_cur_scope->__pyx_v_num_subpatterns); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1069; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             __Pyx_GOTREF(__pyx_t_3);
             __Pyx_GOTREF(__pyx_cur_scope->__pyx_v_extract);
             __Pyx_DECREF(__pyx_cur_scope->__pyx_v_extract);
@@ -45532,27 +45633,27 @@ static PyObject *__pyx_gb_8_cdec_sa_23HieroCachingRuleFactory_24generator1(__pyx
             __pyx_cur_scope->__pyx_v_extract = __pyx_t_3;
             __pyx_t_3 = 0;
 
-            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1071
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1070
  *                             assign_matching(&matching, sample.arr, j, num_subpatterns, self.fda.sent_id.arr)
  *                             extract = self.extract(hiero_phrase, &matching, chunklen.arr, num_subpatterns)
  *                             extracts.extend(extract)             # <<<<<<<<<<<<<<
  *                             j = j + num_subpatterns
  * 
  */
-            __pyx_t_3 = PyObject_GetAttr(((PyObject *)__pyx_cur_scope->__pyx_v_extracts), __pyx_n_s__extend); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1071; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_3 = PyObject_GetAttr(((PyObject *)__pyx_cur_scope->__pyx_v_extracts), __pyx_n_s__extend); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1070; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             __Pyx_GOTREF(__pyx_t_3);
-            __pyx_t_10 = PyTuple_New(1); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1071; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_10 = PyTuple_New(1); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1070; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             __Pyx_GOTREF(__pyx_t_10);
             __Pyx_INCREF(__pyx_cur_scope->__pyx_v_extract);
             PyTuple_SET_ITEM(__pyx_t_10, 0, __pyx_cur_scope->__pyx_v_extract);
             __Pyx_GIVEREF(__pyx_cur_scope->__pyx_v_extract);
-            __pyx_t_9 = PyObject_Call(__pyx_t_3, ((PyObject *)__pyx_t_10), NULL); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1071; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_9 = PyObject_Call(__pyx_t_3, ((PyObject *)__pyx_t_10), NULL); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1070; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             __Pyx_GOTREF(__pyx_t_9);
             __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
             __Pyx_DECREF(((PyObject *)__pyx_t_10)); __pyx_t_10 = 0;
             __Pyx_DECREF(__pyx_t_9); __pyx_t_9 = 0;
 
-            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1072
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1071
  *                             extract = self.extract(hiero_phrase, &matching, chunklen.arr, num_subpatterns)
  *                             extracts.extend(extract)
  *                             j = j + num_subpatterns             # <<<<<<<<<<<<<<
@@ -45562,7 +45663,7 @@ static PyObject *__pyx_gb_8_cdec_sa_23HieroCachingRuleFactory_24generator1(__pyx
             __pyx_cur_scope->__pyx_v_j = (__pyx_cur_scope->__pyx_v_j + __pyx_cur_scope->__pyx_v_num_subpatterns);
           }
 
-          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1074
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1073
  *                             j = j + num_subpatterns
  * 
  *                         num_samples = sample.len/num_subpatterns             # <<<<<<<<<<<<<<
@@ -45571,22 +45672,22 @@ static PyObject *__pyx_gb_8_cdec_sa_23HieroCachingRuleFactory_24generator1(__pyx
  */
           if (unlikely(__pyx_cur_scope->__pyx_v_num_subpatterns == 0)) {
             PyErr_Format(PyExc_ZeroDivisionError, "integer division or modulo by zero");
-            {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1074; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1073; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           }
           else if (sizeof(int) == sizeof(long) && unlikely(__pyx_cur_scope->__pyx_v_num_subpatterns == -1) && unlikely(UNARY_NEG_WOULD_OVERFLOW(__pyx_cur_scope->__pyx_v_sample->len))) {
             PyErr_Format(PyExc_OverflowError, "value too large to perform division");
-            {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1074; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1073; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           }
           __pyx_cur_scope->__pyx_v_num_samples = __Pyx_div_int(__pyx_cur_scope->__pyx_v_sample->len, __pyx_cur_scope->__pyx_v_num_subpatterns);
 
-          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1075
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1074
  * 
  *                         num_samples = sample.len/num_subpatterns
  *                         extract_stop = monitor_cpu()             # <<<<<<<<<<<<<<
  *                         self.extract_time = self.extract_time + extract_stop - extract_start
  *                         if len(extracts) > 0:
  */
-          __pyx_t_9 = PyFloat_FromDouble(__pyx_f_8_cdec_sa_monitor_cpu()); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1075; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_9 = PyFloat_FromDouble(__pyx_f_3_sa_monitor_cpu()); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1074; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_GOTREF(__pyx_t_9);
           __Pyx_XGOTREF(__pyx_cur_scope->__pyx_v_extract_stop);
           __Pyx_XDECREF(__pyx_cur_scope->__pyx_v_extract_stop);
@@ -45594,44 +45695,44 @@ static PyObject *__pyx_gb_8_cdec_sa_23HieroCachingRuleFactory_24generator1(__pyx
           __pyx_cur_scope->__pyx_v_extract_stop = __pyx_t_9;
           __pyx_t_9 = 0;
 
-          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1076
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1075
  *                         num_samples = sample.len/num_subpatterns
  *                         extract_stop = monitor_cpu()
  *                         self.extract_time = self.extract_time + extract_stop - extract_start             # <<<<<<<<<<<<<<
  *                         if len(extracts) > 0:
  *                             fphrases = {}
  */
-          __pyx_t_9 = PyFloat_FromDouble(__pyx_cur_scope->__pyx_v_self->extract_time); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1076; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_9 = PyFloat_FromDouble(__pyx_cur_scope->__pyx_v_self->extract_time); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1075; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_GOTREF(__pyx_t_9);
-          __pyx_t_10 = PyNumber_Add(__pyx_t_9, __pyx_cur_scope->__pyx_v_extract_stop); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1076; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_10 = PyNumber_Add(__pyx_t_9, __pyx_cur_scope->__pyx_v_extract_stop); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1075; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_GOTREF(__pyx_t_10);
           __Pyx_DECREF(__pyx_t_9); __pyx_t_9 = 0;
-          __pyx_t_9 = PyNumber_Subtract(__pyx_t_10, __pyx_cur_scope->__pyx_v_extract_start); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1076; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_9 = PyNumber_Subtract(__pyx_t_10, __pyx_cur_scope->__pyx_v_extract_start); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1075; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_GOTREF(__pyx_t_9);
           __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
-          __pyx_t_20 = __pyx_PyFloat_AsFloat(__pyx_t_9); if (unlikely((__pyx_t_20 == (float)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1076; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_20 = __pyx_PyFloat_AsFloat(__pyx_t_9); if (unlikely((__pyx_t_20 == (float)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1075; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_DECREF(__pyx_t_9); __pyx_t_9 = 0;
           __pyx_cur_scope->__pyx_v_self->extract_time = __pyx_t_20;
 
-          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1077
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1076
  *                         extract_stop = monitor_cpu()
  *                         self.extract_time = self.extract_time + extract_stop - extract_start
  *                         if len(extracts) > 0:             # <<<<<<<<<<<<<<
  *                             fphrases = {}
  *                             fals = {}
  */
-          __pyx_t_5 = PyList_GET_SIZE(((PyObject *)__pyx_cur_scope->__pyx_v_extracts)); 
+          __pyx_t_5 = PyList_GET_SIZE(((PyObject *)__pyx_cur_scope->__pyx_v_extracts)); if (unlikely(__pyx_t_5 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1076; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __pyx_t_19 = (__pyx_t_5 > 0);
           if (__pyx_t_19) {
 
-            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1078
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1077
  *                         self.extract_time = self.extract_time + extract_stop - extract_start
  *                         if len(extracts) > 0:
  *                             fphrases = {}             # <<<<<<<<<<<<<<
  *                             fals = {}
  *                             fcount = {}
  */
-            __pyx_t_9 = PyDict_New(); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1078; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_9 = PyDict_New(); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1077; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             __Pyx_GOTREF(((PyObject *)__pyx_t_9));
             __Pyx_XGOTREF(((PyObject *)__pyx_cur_scope->__pyx_v_fphrases));
             __Pyx_XDECREF(((PyObject *)__pyx_cur_scope->__pyx_v_fphrases));
@@ -45639,14 +45740,14 @@ static PyObject *__pyx_gb_8_cdec_sa_23HieroCachingRuleFactory_24generator1(__pyx
             __pyx_cur_scope->__pyx_v_fphrases = __pyx_t_9;
             __pyx_t_9 = 0;
 
-            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1079
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1078
  *                         if len(extracts) > 0:
  *                             fphrases = {}
  *                             fals = {}             # <<<<<<<<<<<<<<
  *                             fcount = {}
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-            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1080
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@@ -46032,7 +46090,7 @@ static PyObject *__pyx_gb_8_cdec_sa_23HieroCachingRuleFactory_24generator1(__pyx
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-                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1092
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-                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1093
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+                  __pyx_t_19 = __Pyx_PyObject_IsTrue(__pyx_t_14); if (unlikely(__pyx_t_19 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1093; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-                    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1095
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-                    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1096
+                    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1095
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@@ -46175,28 +46175,28 @@ static PyObject *__pyx_gb_8_cdec_sa_23HieroCachingRuleFactory_24generator1(__pyx
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-                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1097
+                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1096
  *                                             alignment = als
  *                                             count = currcount
  *                                     scores = []             # <<<<<<<<<<<<<<
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                 __Pyx_XGOTREF(((PyObject *)__pyx_cur_scope->__pyx_v_scores));
                 __Pyx_XDECREF(((PyObject *)__pyx_cur_scope->__pyx_v_scores));
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-                __pyx_cur_scope->__pyx_v_scores = __pyx_t_2;
-                __pyx_t_2 = 0;
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+                __pyx_cur_scope->__pyx_v_scores = __pyx_t_15;
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-                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1098
+                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1097
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-                  __pyx_t_27 = Py_TYPE(__pyx_t_2)->tp_iternext;
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-                  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1099
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+  __pyx_t_14 = PyFloat_FromDouble(__pyx_cur_scope->__pyx_v_self->extract_time); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1127; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-  __Pyx_GOTREF(__pyx_t_2);
+  __pyx_t_15 = PyTuple_New(2); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1127; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_15);
   __Pyx_INCREF(((PyObject *)__pyx_kp_s_123));
-  PyTuple_SET_ITEM(__pyx_t_2, 0, ((PyObject *)__pyx_kp_s_123));
+  PyTuple_SET_ITEM(__pyx_t_15, 0, ((PyObject *)__pyx_kp_s_123));
   __Pyx_GIVEREF(((PyObject *)__pyx_kp_s_123));
-  PyTuple_SET_ITEM(__pyx_t_2, 1, __pyx_t_14);
+  PyTuple_SET_ITEM(__pyx_t_15, 1, __pyx_t_14);
   __Pyx_GIVEREF(__pyx_t_14);
   __pyx_t_14 = 0;
-  __pyx_t_14 = PyObject_Call(__pyx_t_12, ((PyObject *)__pyx_t_2), NULL); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1128; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_14 = PyObject_Call(__pyx_t_12, ((PyObject *)__pyx_t_15), NULL); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1127; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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   __Pyx_DECREF(__pyx_t_12); __pyx_t_12 = 0;
-  __Pyx_DECREF(((PyObject *)__pyx_t_2)); __pyx_t_2 = 0;
+  __Pyx_DECREF(((PyObject *)__pyx_t_15)); __pyx_t_15 = 0;
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   PyErr_SetNone(PyExc_StopIteration);
   goto __pyx_L0;
@@ -46952,11 +46980,12 @@ static PyObject *__pyx_gb_8_cdec_sa_23HieroCachingRuleFactory_24generator1(__pyx
   __pyx_L0:;
   __Pyx_XDECREF(__pyx_r);
   __pyx_generator->resume_label = -1;
+  __Pyx_Generator_clear((PyObject*)__pyx_generator);
   __Pyx_RefNannyFinishContext();
   return NULL;
 }
 
-/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1131
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1130
  * 
  * 
  *     cdef int find_fixpoint(self,             # <<<<<<<<<<<<<<
@@ -46964,7 +46993,7 @@ static PyObject *__pyx_gb_8_cdec_sa_23HieroCachingRuleFactory_24generator1(__pyx
  *                         int* f_links_low, int* f_links_high,
  */
 
-static int __pyx_f_8_cdec_sa_23HieroCachingRuleFactory_find_fixpoint(struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *__pyx_v_self, int __pyx_v_f_low, PyObject *__pyx_v_f_high, int *__pyx_v_f_links_low, int *__pyx_v_f_links_high, int *__pyx_v_e_links_low, int *__pyx_v_e_links_high, int __pyx_v_e_in_low, int __pyx_v_e_in_high, int *__pyx_v_e_low, int *__pyx_v_e_high, int *__pyx_v_f_back_low, int *__pyx_v_f_back_high, int __pyx_v_f_sent_len, int __pyx_v_e_sent_len, int __pyx_v_max_f_len, int __pyx_v_max_e_len, int __pyx_v_min_fx_size, int __pyx_v_min_ex_size, int __pyx_v_max_new_x, int __pyx_v_allow_low_x, int __pyx_v_allow_high_x, int __pyx_v_allow_arbitrary_x, CYTHON_UNUSED int __pyx_v_write_log) {
+static int __pyx_f_3_sa_23HieroCachingRuleFactory_find_fixpoint(struct __pyx_obj_3_sa_HieroCachingRuleFactory *__pyx_v_self, int __pyx_v_f_low, PyObject *__pyx_v_f_high, int *__pyx_v_f_links_low, int *__pyx_v_f_links_high, int *__pyx_v_e_links_low, int *__pyx_v_e_links_high, int __pyx_v_e_in_low, int __pyx_v_e_in_high, int *__pyx_v_e_low, int *__pyx_v_e_high, int *__pyx_v_f_back_low, int *__pyx_v_f_back_high, int __pyx_v_f_sent_len, int __pyx_v_e_sent_len, int __pyx_v_max_f_len, int __pyx_v_max_e_len, int __pyx_v_min_fx_size, int __pyx_v_min_ex_size, int __pyx_v_max_new_x, int __pyx_v_allow_low_x, int __pyx_v_allow_high_x, int __pyx_v_allow_arbitrary_x, CYTHON_UNUSED int __pyx_v_write_log) {
   int __pyx_v_e_low_prev;
   int __pyx_v_e_high_prev;
   int __pyx_v_f_low_prev;
@@ -46986,7 +47015,7 @@ static int __pyx_f_8_cdec_sa_23HieroCachingRuleFactory_find_fixpoint(struct __py
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("find_fixpoint", 0);
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1146
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1145
  *         cdef int e_low_prev, e_high_prev, f_low_prev, f_high_prev, new_x, new_low_x, new_high_x
  * 
  *         e_low[0] = e_in_low             # <<<<<<<<<<<<<<
@@ -46995,7 +47024,7 @@ static int __pyx_f_8_cdec_sa_23HieroCachingRuleFactory_find_fixpoint(struct __py
  */
   (__pyx_v_e_low[0]) = __pyx_v_e_in_low;
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1147
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1146
  * 
  *         e_low[0] = e_in_low
  *         e_high[0] = e_in_high             # <<<<<<<<<<<<<<
@@ -47004,19 +47033,19 @@ static int __pyx_f_8_cdec_sa_23HieroCachingRuleFactory_find_fixpoint(struct __py
  */
   (__pyx_v_e_high[0]) = __pyx_v_e_in_high;
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1148
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1147
  *         e_low[0] = e_in_low
  *         e_high[0] = e_in_high
  *         self.find_projection(f_low, f_high, f_links_low, f_links_high, e_low, e_high)             # <<<<<<<<<<<<<<
  *         if e_low[0] == -1:
  *             # low-priority corner case: if phrase w is unaligned,
  */
-  __pyx_t_1 = __Pyx_PyInt_AsInt(__pyx_v_f_high); if (unlikely((__pyx_t_1 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1148; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __pyx_t_2 = ((struct __pyx_vtabstruct_8_cdec_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->find_projection(__pyx_v_self, __pyx_v_f_low, __pyx_t_1, __pyx_v_f_links_low, __pyx_v_f_links_high, __pyx_v_e_low, __pyx_v_e_high); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1148; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = __Pyx_PyInt_AsInt(__pyx_v_f_high); if (unlikely((__pyx_t_1 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1147; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_2 = ((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->find_projection(__pyx_v_self, __pyx_v_f_low, __pyx_t_1, __pyx_v_f_links_low, __pyx_v_f_links_high, __pyx_v_e_low, __pyx_v_e_high); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1147; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_2);
   __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1149
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1148
  *         e_high[0] = e_in_high
  *         self.find_projection(f_low, f_high, f_links_low, f_links_high, e_low, e_high)
  *         if e_low[0] == -1:             # <<<<<<<<<<<<<<
@@ -47026,7 +47055,7 @@ static int __pyx_f_8_cdec_sa_23HieroCachingRuleFactory_find_fixpoint(struct __py
   __pyx_t_3 = ((__pyx_v_e_low[0]) == -1);
   if (__pyx_t_3) {
 
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1155
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1154
  *             # rule X -> X_1 w X_2 / X_1 X_2.    This is probably
  *             # not worth the bother, though.
  *             return 0             # <<<<<<<<<<<<<<
@@ -47038,7 +47067,7 @@ static int __pyx_f_8_cdec_sa_23HieroCachingRuleFactory_find_fixpoint(struct __py
     goto __pyx_L3;
   }
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1156
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1155
  *             # not worth the bother, though.
  *             return 0
  *         elif e_in_low != -1 and e_low[0] != e_in_low:             # <<<<<<<<<<<<<<
@@ -47054,7 +47083,7 @@ static int __pyx_f_8_cdec_sa_23HieroCachingRuleFactory_find_fixpoint(struct __py
   }
   if (__pyx_t_5) {
 
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1157
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1156
  *             return 0
  *         elif e_in_low != -1 and e_low[0] != e_in_low:
  *             if e_in_low - e_low[0] < min_ex_size:             # <<<<<<<<<<<<<<
@@ -47064,7 +47093,7 @@ static int __pyx_f_8_cdec_sa_23HieroCachingRuleFactory_find_fixpoint(struct __py
     __pyx_t_5 = ((__pyx_v_e_in_low - (__pyx_v_e_low[0])) < __pyx_v_min_ex_size);
     if (__pyx_t_5) {
 
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1158
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1157
  *         elif e_in_low != -1 and e_low[0] != e_in_low:
  *             if e_in_low - e_low[0] < min_ex_size:
  *                 e_low[0] = e_in_low - min_ex_size             # <<<<<<<<<<<<<<
@@ -47073,7 +47102,7 @@ static int __pyx_f_8_cdec_sa_23HieroCachingRuleFactory_find_fixpoint(struct __py
  */
       (__pyx_v_e_low[0]) = (__pyx_v_e_in_low - __pyx_v_min_ex_size);
 
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1159
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1158
  *             if e_in_low - e_low[0] < min_ex_size:
  *                 e_low[0] = e_in_low - min_ex_size
  *                 if e_low[0] < 0:             # <<<<<<<<<<<<<<
@@ -47083,7 +47112,7 @@ static int __pyx_f_8_cdec_sa_23HieroCachingRuleFactory_find_fixpoint(struct __py
       __pyx_t_5 = ((__pyx_v_e_low[0]) < 0);
       if (__pyx_t_5) {
 
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1160
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1159
  *                 e_low[0] = e_in_low - min_ex_size
  *                 if e_low[0] < 0:
  *                     return 0             # <<<<<<<<<<<<<<
@@ -47102,7 +47131,7 @@ static int __pyx_f_8_cdec_sa_23HieroCachingRuleFactory_find_fixpoint(struct __py
   }
   __pyx_L3:;
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1162
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1161
  *                     return 0
  * 
  *         if e_high[0] - e_low[0] > max_e_len:             # <<<<<<<<<<<<<<
@@ -47112,7 +47141,7 @@ static int __pyx_f_8_cdec_sa_23HieroCachingRuleFactory_find_fixpoint(struct __py
   __pyx_t_5 = (((__pyx_v_e_high[0]) - (__pyx_v_e_low[0])) > __pyx_v_max_e_len);
   if (__pyx_t_5) {
 
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1163
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1162
  * 
  *         if e_high[0] - e_low[0] > max_e_len:
  *             return 0             # <<<<<<<<<<<<<<
@@ -47124,7 +47153,7 @@ static int __pyx_f_8_cdec_sa_23HieroCachingRuleFactory_find_fixpoint(struct __py
     goto __pyx_L6;
   }
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1164
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1163
  *         if e_high[0] - e_low[0] > max_e_len:
  *             return 0
  *         elif e_in_high != -1 and e_high[0] != e_in_high:             # <<<<<<<<<<<<<<
@@ -47140,7 +47169,7 @@ static int __pyx_f_8_cdec_sa_23HieroCachingRuleFactory_find_fixpoint(struct __py
   }
   if (__pyx_t_4) {
 
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1165
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1164
  *             return 0
  *         elif e_in_high != -1 and e_high[0] != e_in_high:
  *             if e_high[0] - e_in_high < min_ex_size:             # <<<<<<<<<<<<<<
@@ -47150,7 +47179,7 @@ static int __pyx_f_8_cdec_sa_23HieroCachingRuleFactory_find_fixpoint(struct __py
     __pyx_t_4 = (((__pyx_v_e_high[0]) - __pyx_v_e_in_high) < __pyx_v_min_ex_size);
     if (__pyx_t_4) {
 
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1166
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1165
  *         elif e_in_high != -1 and e_high[0] != e_in_high:
  *             if e_high[0] - e_in_high < min_ex_size:
  *                 e_high[0] = e_in_high + min_ex_size             # <<<<<<<<<<<<<<
@@ -47159,7 +47188,7 @@ static int __pyx_f_8_cdec_sa_23HieroCachingRuleFactory_find_fixpoint(struct __py
  */
       (__pyx_v_e_high[0]) = (__pyx_v_e_in_high + __pyx_v_min_ex_size);
 
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1167
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1166
  *             if e_high[0] - e_in_high < min_ex_size:
  *                 e_high[0] = e_in_high + min_ex_size
  *                 if e_high[0] > e_sent_len:             # <<<<<<<<<<<<<<
@@ -47169,7 +47198,7 @@ static int __pyx_f_8_cdec_sa_23HieroCachingRuleFactory_find_fixpoint(struct __py
       __pyx_t_4 = ((__pyx_v_e_high[0]) > __pyx_v_e_sent_len);
       if (__pyx_t_4) {
 
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1168
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1167
  *                 e_high[0] = e_in_high + min_ex_size
  *                 if e_high[0] > e_sent_len:
  *                     return 0             # <<<<<<<<<<<<<<
@@ -47188,7 +47217,7 @@ static int __pyx_f_8_cdec_sa_23HieroCachingRuleFactory_find_fixpoint(struct __py
   }
   __pyx_L6:;
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1170
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1169
  *                     return 0
  * 
  *         f_back_low[0] = -1             # <<<<<<<<<<<<<<
@@ -47197,7 +47226,7 @@ static int __pyx_f_8_cdec_sa_23HieroCachingRuleFactory_find_fixpoint(struct __py
  */
   (__pyx_v_f_back_low[0]) = -1;
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1171
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1170
  * 
  *         f_back_low[0] = -1
  *         f_back_high[0] = -1             # <<<<<<<<<<<<<<
@@ -47206,7 +47235,7 @@ static int __pyx_f_8_cdec_sa_23HieroCachingRuleFactory_find_fixpoint(struct __py
  */
   (__pyx_v_f_back_high[0]) = -1;
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1172
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1171
  *         f_back_low[0] = -1
  *         f_back_high[0] = -1
  *         f_low_prev = f_low             # <<<<<<<<<<<<<<
@@ -47215,17 +47244,17 @@ static int __pyx_f_8_cdec_sa_23HieroCachingRuleFactory_find_fixpoint(struct __py
  */
   __pyx_v_f_low_prev = __pyx_v_f_low;
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1173
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1172
  *         f_back_high[0] = -1
  *         f_low_prev = f_low
  *         f_high_prev = f_high             # <<<<<<<<<<<<<<
  *         new_x = 0
  *         new_low_x = 0
  */
-  __pyx_t_1 = __Pyx_PyInt_AsInt(__pyx_v_f_high); if (unlikely((__pyx_t_1 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1173; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = __Pyx_PyInt_AsInt(__pyx_v_f_high); if (unlikely((__pyx_t_1 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1172; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_v_f_high_prev = __pyx_t_1;
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1174
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1173
  *         f_low_prev = f_low
  *         f_high_prev = f_high
  *         new_x = 0             # <<<<<<<<<<<<<<
@@ -47234,7 +47263,7 @@ static int __pyx_f_8_cdec_sa_23HieroCachingRuleFactory_find_fixpoint(struct __py
  */
   __pyx_v_new_x = 0;
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1175
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1174
  *         f_high_prev = f_high
  *         new_x = 0
  *         new_low_x = 0             # <<<<<<<<<<<<<<
@@ -47243,7 +47272,7 @@ static int __pyx_f_8_cdec_sa_23HieroCachingRuleFactory_find_fixpoint(struct __py
  */
   __pyx_v_new_low_x = 0;
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1176
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1175
  *         new_x = 0
  *         new_low_x = 0
  *         new_high_x = 0             # <<<<<<<<<<<<<<
@@ -47252,7 +47281,7 @@ static int __pyx_f_8_cdec_sa_23HieroCachingRuleFactory_find_fixpoint(struct __py
  */
   __pyx_v_new_high_x = 0;
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1178
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1177
  *         new_high_x = 0
  * 
  *         while True:             # <<<<<<<<<<<<<<
@@ -47262,7 +47291,7 @@ static int __pyx_f_8_cdec_sa_23HieroCachingRuleFactory_find_fixpoint(struct __py
   while (1) {
     if (!1) break;
 
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1180
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1179
  *         while True:
  * 
  *             if f_back_low[0] == -1:             # <<<<<<<<<<<<<<
@@ -47272,45 +47301,45 @@ static int __pyx_f_8_cdec_sa_23HieroCachingRuleFactory_find_fixpoint(struct __py
     __pyx_t_4 = ((__pyx_v_f_back_low[0]) == -1);
     if (__pyx_t_4) {
 
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1181
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1180
  * 
  *             if f_back_low[0] == -1:
  *                 self.find_projection(e_low[0], e_high[0], e_links_low, e_links_high, f_back_low, f_back_high)             # <<<<<<<<<<<<<<
  *             else:
  *                 self.find_projection(e_low[0], e_low_prev, e_links_low, e_links_high, f_back_low, f_back_high)
  */
-      __pyx_t_2 = ((struct __pyx_vtabstruct_8_cdec_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->find_projection(__pyx_v_self, (__pyx_v_e_low[0]), (__pyx_v_e_high[0]), __pyx_v_e_links_low, __pyx_v_e_links_high, __pyx_v_f_back_low, __pyx_v_f_back_high); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1181; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_2 = ((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->find_projection(__pyx_v_self, (__pyx_v_e_low[0]), (__pyx_v_e_high[0]), __pyx_v_e_links_low, __pyx_v_e_links_high, __pyx_v_f_back_low, __pyx_v_f_back_high); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1180; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_2);
       __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
       goto __pyx_L11;
     }
     /*else*/ {
 
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1183
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1182
  *                 self.find_projection(e_low[0], e_high[0], e_links_low, e_links_high, f_back_low, f_back_high)
  *             else:
  *                 self.find_projection(e_low[0], e_low_prev, e_links_low, e_links_high, f_back_low, f_back_high)             # <<<<<<<<<<<<<<
  *                 self.find_projection(e_high_prev, e_high[0], e_links_low, e_links_high, f_back_low, f_back_high)
  * 
  */
-      __pyx_t_2 = ((struct __pyx_vtabstruct_8_cdec_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->find_projection(__pyx_v_self, (__pyx_v_e_low[0]), __pyx_v_e_low_prev, __pyx_v_e_links_low, __pyx_v_e_links_high, __pyx_v_f_back_low, __pyx_v_f_back_high); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1183; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_2 = ((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->find_projection(__pyx_v_self, (__pyx_v_e_low[0]), __pyx_v_e_low_prev, __pyx_v_e_links_low, __pyx_v_e_links_high, __pyx_v_f_back_low, __pyx_v_f_back_high); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1182; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_2);
       __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
 
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1184
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1183
  *             else:
  *                 self.find_projection(e_low[0], e_low_prev, e_links_low, e_links_high, f_back_low, f_back_high)
  *                 self.find_projection(e_high_prev, e_high[0], e_links_low, e_links_high, f_back_low, f_back_high)             # <<<<<<<<<<<<<<
  * 
  *             if f_back_low[0] > f_low:
  */
-      __pyx_t_2 = ((struct __pyx_vtabstruct_8_cdec_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->find_projection(__pyx_v_self, __pyx_v_e_high_prev, (__pyx_v_e_high[0]), __pyx_v_e_links_low, __pyx_v_e_links_high, __pyx_v_f_back_low, __pyx_v_f_back_high); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1184; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_2 = ((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->find_projection(__pyx_v_self, __pyx_v_e_high_prev, (__pyx_v_e_high[0]), __pyx_v_e_links_low, __pyx_v_e_links_high, __pyx_v_f_back_low, __pyx_v_f_back_high); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1183; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_2);
       __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
     }
     __pyx_L11:;
 
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1186
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1185
  *                 self.find_projection(e_high_prev, e_high[0], e_links_low, e_links_high, f_back_low, f_back_high)
  * 
  *             if f_back_low[0] > f_low:             # <<<<<<<<<<<<<<
@@ -47320,7 +47349,7 @@ static int __pyx_f_8_cdec_sa_23HieroCachingRuleFactory_find_fixpoint(struct __py
     __pyx_t_4 = ((__pyx_v_f_back_low[0]) > __pyx_v_f_low);
     if (__pyx_t_4) {
 
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1187
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1186
  * 
  *             if f_back_low[0] > f_low:
  *                 f_back_low[0] = f_low             # <<<<<<<<<<<<<<
@@ -47332,36 +47361,36 @@ static int __pyx_f_8_cdec_sa_23HieroCachingRuleFactory_find_fixpoint(struct __py
     }
     __pyx_L12:;
 
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1189
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1188
  *                 f_back_low[0] = f_low
  * 
  *             if f_back_high[0] < f_high:             # <<<<<<<<<<<<<<
  *                 f_back_high[0] = f_high
  * 
  */
-    __pyx_t_2 = PyInt_FromLong((__pyx_v_f_back_high[0])); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1189; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_2 = PyInt_FromLong((__pyx_v_f_back_high[0])); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1188; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_2);
-    __pyx_t_6 = PyObject_RichCompare(__pyx_t_2, __pyx_v_f_high, Py_LT); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1189; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_6 = PyObject_RichCompare(__pyx_t_2, __pyx_v_f_high, Py_LT); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1188; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_6);
     __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
-    __pyx_t_4 = __Pyx_PyObject_IsTrue(__pyx_t_6); if (unlikely(__pyx_t_4 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1189; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_4 = __Pyx_PyObject_IsTrue(__pyx_t_6); if (unlikely(__pyx_t_4 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1188; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
     if (__pyx_t_4) {
 
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1190
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1189
  * 
  *             if f_back_high[0] < f_high:
  *                 f_back_high[0] = f_high             # <<<<<<<<<<<<<<
  * 
  *             if f_back_low[0] == f_low_prev and f_back_high[0] == f_high_prev:
  */
-      __pyx_t_1 = __Pyx_PyInt_AsInt(__pyx_v_f_high); if (unlikely((__pyx_t_1 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1190; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_1 = __Pyx_PyInt_AsInt(__pyx_v_f_high); if (unlikely((__pyx_t_1 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1189; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       (__pyx_v_f_back_high[0]) = __pyx_t_1;
       goto __pyx_L13;
     }
     __pyx_L13:;
 
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1192
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1191
  *                 f_back_high[0] = f_high
  * 
  *             if f_back_low[0] == f_low_prev and f_back_high[0] == f_high_prev:             # <<<<<<<<<<<<<<
@@ -47377,7 +47406,7 @@ static int __pyx_f_8_cdec_sa_23HieroCachingRuleFactory_find_fixpoint(struct __py
     }
     if (__pyx_t_3) {
 
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1193
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1192
  * 
  *             if f_back_low[0] == f_low_prev and f_back_high[0] == f_high_prev:
  *                 return 1             # <<<<<<<<<<<<<<
@@ -47390,7 +47419,7 @@ static int __pyx_f_8_cdec_sa_23HieroCachingRuleFactory_find_fixpoint(struct __py
     }
     __pyx_L14:;
 
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1195
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1194
  *                 return 1
  * 
  *             if allow_low_x == 0 and f_back_low[0] < f_low:             # <<<<<<<<<<<<<<
@@ -47406,7 +47435,7 @@ static int __pyx_f_8_cdec_sa_23HieroCachingRuleFactory_find_fixpoint(struct __py
     }
     if (__pyx_t_5) {
 
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1197
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1196
  *             if allow_low_x == 0 and f_back_low[0] < f_low:
  *                 # FAIL: f phrase is not tight
  *                 return 0             # <<<<<<<<<<<<<<
@@ -47419,7 +47448,7 @@ static int __pyx_f_8_cdec_sa_23HieroCachingRuleFactory_find_fixpoint(struct __py
     }
     __pyx_L15:;
 
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1199
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1198
  *                 return 0
  * 
  *             if f_back_high[0] - f_back_low[0] > max_f_len:             # <<<<<<<<<<<<<<
@@ -47429,7 +47458,7 @@ static int __pyx_f_8_cdec_sa_23HieroCachingRuleFactory_find_fixpoint(struct __py
     __pyx_t_5 = (((__pyx_v_f_back_high[0]) - (__pyx_v_f_back_low[0])) > __pyx_v_max_f_len);
     if (__pyx_t_5) {
 
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1201
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1200
  *             if f_back_high[0] - f_back_low[0] > max_f_len:
  *                 # FAIL: f back projection is too wide
  *                 return 0             # <<<<<<<<<<<<<<
@@ -47442,7 +47471,7 @@ static int __pyx_f_8_cdec_sa_23HieroCachingRuleFactory_find_fixpoint(struct __py
     }
     __pyx_L16:;
 
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1203
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1202
  *                 return 0
  * 
  *             if allow_high_x == 0 and f_back_high[0] > f_high:             # <<<<<<<<<<<<<<
@@ -47451,12 +47480,12 @@ static int __pyx_f_8_cdec_sa_23HieroCachingRuleFactory_find_fixpoint(struct __py
  */
     __pyx_t_5 = (__pyx_v_allow_high_x == 0);
     if (__pyx_t_5) {
-      __pyx_t_6 = PyInt_FromLong((__pyx_v_f_back_high[0])); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1203; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_6 = PyInt_FromLong((__pyx_v_f_back_high[0])); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1202; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_6);
-      __pyx_t_2 = PyObject_RichCompare(__pyx_t_6, __pyx_v_f_high, Py_GT); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1203; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_2 = PyObject_RichCompare(__pyx_t_6, __pyx_v_f_high, Py_GT); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1202; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_2);
       __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
-      __pyx_t_3 = __Pyx_PyObject_IsTrue(__pyx_t_2); if (unlikely(__pyx_t_3 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1203; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_3 = __Pyx_PyObject_IsTrue(__pyx_t_2); if (unlikely(__pyx_t_3 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1202; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
       __pyx_t_4 = __pyx_t_3;
     } else {
@@ -47464,7 +47493,7 @@ static int __pyx_f_8_cdec_sa_23HieroCachingRuleFactory_find_fixpoint(struct __py
     }
     if (__pyx_t_4) {
 
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1205
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1204
  *             if allow_high_x == 0 and f_back_high[0] > f_high:
  *                 # FAIL: extension on high side not allowed
  *                 return 0             # <<<<<<<<<<<<<<
@@ -47477,7 +47506,7 @@ static int __pyx_f_8_cdec_sa_23HieroCachingRuleFactory_find_fixpoint(struct __py
     }
     __pyx_L17:;
 
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1207
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1206
  *                 return 0
  * 
  *             if f_low != f_back_low[0]:             # <<<<<<<<<<<<<<
@@ -47487,7 +47516,7 @@ static int __pyx_f_8_cdec_sa_23HieroCachingRuleFactory_find_fixpoint(struct __py
     __pyx_t_4 = (__pyx_v_f_low != (__pyx_v_f_back_low[0]));
     if (__pyx_t_4) {
 
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1208
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1207
  * 
  *             if f_low != f_back_low[0]:
  *                 if new_low_x == 0:             # <<<<<<<<<<<<<<
@@ -47497,7 +47526,7 @@ static int __pyx_f_8_cdec_sa_23HieroCachingRuleFactory_find_fixpoint(struct __py
       __pyx_t_4 = (__pyx_v_new_low_x == 0);
       if (__pyx_t_4) {
 
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1209
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1208
  *             if f_low != f_back_low[0]:
  *                 if new_low_x == 0:
  *                     if new_x >= max_new_x:             # <<<<<<<<<<<<<<
@@ -47507,7 +47536,7 @@ static int __pyx_f_8_cdec_sa_23HieroCachingRuleFactory_find_fixpoint(struct __py
         __pyx_t_4 = (__pyx_v_new_x >= __pyx_v_max_new_x);
         if (__pyx_t_4) {
 
-          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1211
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1210
  *                     if new_x >= max_new_x:
  *                         # FAIL: extension required on low side violates max # of gaps
  *                         return 0             # <<<<<<<<<<<<<<
@@ -47520,7 +47549,7 @@ static int __pyx_f_8_cdec_sa_23HieroCachingRuleFactory_find_fixpoint(struct __py
         }
         /*else*/ {
 
-          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1213
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1212
  *                         return 0
  *                     else:
  *                         new_x = new_x + 1             # <<<<<<<<<<<<<<
@@ -47529,7 +47558,7 @@ static int __pyx_f_8_cdec_sa_23HieroCachingRuleFactory_find_fixpoint(struct __py
  */
           __pyx_v_new_x = (__pyx_v_new_x + 1);
 
-          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1214
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1213
  *                     else:
  *                         new_x = new_x + 1
  *                         new_low_x = 1             # <<<<<<<<<<<<<<
@@ -47543,7 +47572,7 @@ static int __pyx_f_8_cdec_sa_23HieroCachingRuleFactory_find_fixpoint(struct __py
       }
       __pyx_L19:;
 
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1215
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1214
  *                         new_x = new_x + 1
  *                         new_low_x = 1
  *                 if f_low - f_back_low[0] < min_fx_size:             # <<<<<<<<<<<<<<
@@ -47553,7 +47582,7 @@ static int __pyx_f_8_cdec_sa_23HieroCachingRuleFactory_find_fixpoint(struct __py
       __pyx_t_4 = ((__pyx_v_f_low - (__pyx_v_f_back_low[0])) < __pyx_v_min_fx_size);
       if (__pyx_t_4) {
 
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1216
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1215
  *                         new_low_x = 1
  *                 if f_low - f_back_low[0] < min_fx_size:
  *                     f_back_low[0] = f_low - min_fx_size             # <<<<<<<<<<<<<<
@@ -47562,7 +47591,7 @@ static int __pyx_f_8_cdec_sa_23HieroCachingRuleFactory_find_fixpoint(struct __py
  */
         (__pyx_v_f_back_low[0]) = (__pyx_v_f_low - __pyx_v_min_fx_size);
 
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1217
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1216
  *                 if f_low - f_back_low[0] < min_fx_size:
  *                     f_back_low[0] = f_low - min_fx_size
  *                     if f_back_high[0] - f_back_low[0] > max_f_len:             # <<<<<<<<<<<<<<
@@ -47572,7 +47601,7 @@ static int __pyx_f_8_cdec_sa_23HieroCachingRuleFactory_find_fixpoint(struct __py
         __pyx_t_4 = (((__pyx_v_f_back_high[0]) - (__pyx_v_f_back_low[0])) > __pyx_v_max_f_len);
         if (__pyx_t_4) {
 
-          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1219
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1218
  *                     if f_back_high[0] - f_back_low[0] > max_f_len:
  *                         # FAIL: extension required on low side violates max initial length
  *                         return 0             # <<<<<<<<<<<<<<
@@ -47585,7 +47614,7 @@ static int __pyx_f_8_cdec_sa_23HieroCachingRuleFactory_find_fixpoint(struct __py
         }
         __pyx_L22:;
 
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1220
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1219
  *                         # FAIL: extension required on low side violates max initial length
  *                         return 0
  *                     if f_back_low[0] < 0:             # <<<<<<<<<<<<<<
@@ -47595,7 +47624,7 @@ static int __pyx_f_8_cdec_sa_23HieroCachingRuleFactory_find_fixpoint(struct __py
         __pyx_t_4 = ((__pyx_v_f_back_low[0]) < 0);
         if (__pyx_t_4) {
 
-          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1222
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1221
  *                     if f_back_low[0] < 0:
  *                         # FAIL: extension required on low side violates sentence boundary
  *                         return 0             # <<<<<<<<<<<<<<
@@ -47614,23 +47643,23 @@ static int __pyx_f_8_cdec_sa_23HieroCachingRuleFactory_find_fixpoint(struct __py
     }
     __pyx_L18:;
 
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1224
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1223
  *                         return 0
  * 
  *             if f_high != f_back_high[0]:             # <<<<<<<<<<<<<<
  *                 if new_high_x == 0:
  *                     if new_x >= max_new_x:
  */
-    __pyx_t_2 = PyInt_FromLong((__pyx_v_f_back_high[0])); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1224; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_2 = PyInt_FromLong((__pyx_v_f_back_high[0])); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1223; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_2);
-    __pyx_t_6 = PyObject_RichCompare(__pyx_v_f_high, __pyx_t_2, Py_NE); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1224; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_6 = PyObject_RichCompare(__pyx_v_f_high, __pyx_t_2, Py_NE); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1223; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_6);
     __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
-    __pyx_t_4 = __Pyx_PyObject_IsTrue(__pyx_t_6); if (unlikely(__pyx_t_4 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1224; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_4 = __Pyx_PyObject_IsTrue(__pyx_t_6); if (unlikely(__pyx_t_4 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1223; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
     if (__pyx_t_4) {
 
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1225
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1224
  * 
  *             if f_high != f_back_high[0]:
  *                 if new_high_x == 0:             # <<<<<<<<<<<<<<
@@ -47640,7 +47669,7 @@ static int __pyx_f_8_cdec_sa_23HieroCachingRuleFactory_find_fixpoint(struct __py
       __pyx_t_4 = (__pyx_v_new_high_x == 0);
       if (__pyx_t_4) {
 
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1226
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1225
  *             if f_high != f_back_high[0]:
  *                 if new_high_x == 0:
  *                     if new_x >= max_new_x:             # <<<<<<<<<<<<<<
@@ -47650,7 +47679,7 @@ static int __pyx_f_8_cdec_sa_23HieroCachingRuleFactory_find_fixpoint(struct __py
         __pyx_t_4 = (__pyx_v_new_x >= __pyx_v_max_new_x);
         if (__pyx_t_4) {
 
-          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1228
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1227
  *                     if new_x >= max_new_x:
  *                         # FAIL: extension required on high side violates max # of gaps
  *                         return 0             # <<<<<<<<<<<<<<
@@ -47663,7 +47692,7 @@ static int __pyx_f_8_cdec_sa_23HieroCachingRuleFactory_find_fixpoint(struct __py
         }
         /*else*/ {
 
-          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1230
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1229
  *                         return 0
  *                     else:
  *                         new_x = new_x + 1             # <<<<<<<<<<<<<<
@@ -47672,7 +47701,7 @@ static int __pyx_f_8_cdec_sa_23HieroCachingRuleFactory_find_fixpoint(struct __py
  */
           __pyx_v_new_x = (__pyx_v_new_x + 1);
 
-          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1231
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1230
  *                     else:
  *                         new_x = new_x + 1
  *                         new_high_x = 1             # <<<<<<<<<<<<<<
@@ -47686,45 +47715,45 @@ static int __pyx_f_8_cdec_sa_23HieroCachingRuleFactory_find_fixpoint(struct __py
       }
       __pyx_L25:;
 
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1232
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1231
  *                         new_x = new_x + 1
  *                         new_high_x = 1
  *                 if f_back_high[0] - f_high < min_fx_size:             # <<<<<<<<<<<<<<
  *                     f_back_high[0] = f_high + min_fx_size
  *                     if f_back_high[0] - f_back_low[0] > max_f_len:
  */
-      __pyx_t_6 = PyInt_FromLong((__pyx_v_f_back_high[0])); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1232; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_6 = PyInt_FromLong((__pyx_v_f_back_high[0])); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1231; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_6);
-      __pyx_t_2 = PyNumber_Subtract(__pyx_t_6, __pyx_v_f_high); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1232; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_2 = PyNumber_Subtract(__pyx_t_6, __pyx_v_f_high); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1231; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_2);
       __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
-      __pyx_t_6 = PyInt_FromLong(__pyx_v_min_fx_size); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1232; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_6 = PyInt_FromLong(__pyx_v_min_fx_size); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1231; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_6);
-      __pyx_t_7 = PyObject_RichCompare(__pyx_t_2, __pyx_t_6, Py_LT); if (unlikely(!__pyx_t_7)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1232; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_7 = PyObject_RichCompare(__pyx_t_2, __pyx_t_6, Py_LT); if (unlikely(!__pyx_t_7)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1231; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_7);
       __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
       __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
-      __pyx_t_4 = __Pyx_PyObject_IsTrue(__pyx_t_7); if (unlikely(__pyx_t_4 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1232; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_4 = __Pyx_PyObject_IsTrue(__pyx_t_7); if (unlikely(__pyx_t_4 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1231; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_DECREF(__pyx_t_7); __pyx_t_7 = 0;
       if (__pyx_t_4) {
 
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1233
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1232
  *                         new_high_x = 1
  *                 if f_back_high[0] - f_high < min_fx_size:
  *                     f_back_high[0] = f_high + min_fx_size             # <<<<<<<<<<<<<<
  *                     if f_back_high[0] - f_back_low[0] > max_f_len:
  *                         # FAIL: extension required on high side violates max initial length
  */
-        __pyx_t_7 = PyInt_FromLong(__pyx_v_min_fx_size); if (unlikely(!__pyx_t_7)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1233; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_7 = PyInt_FromLong(__pyx_v_min_fx_size); if (unlikely(!__pyx_t_7)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1232; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_7);
-        __pyx_t_6 = PyNumber_Add(__pyx_v_f_high, __pyx_t_7); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1233; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_6 = PyNumber_Add(__pyx_v_f_high, __pyx_t_7); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1232; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_6);
         __Pyx_DECREF(__pyx_t_7); __pyx_t_7 = 0;
-        __pyx_t_1 = __Pyx_PyInt_AsInt(__pyx_t_6); if (unlikely((__pyx_t_1 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1233; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_1 = __Pyx_PyInt_AsInt(__pyx_t_6); if (unlikely((__pyx_t_1 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1232; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
         (__pyx_v_f_back_high[0]) = __pyx_t_1;
 
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1234
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1233
  *                 if f_back_high[0] - f_high < min_fx_size:
  *                     f_back_high[0] = f_high + min_fx_size
  *                     if f_back_high[0] - f_back_low[0] > max_f_len:             # <<<<<<<<<<<<<<
@@ -47734,7 +47763,7 @@ static int __pyx_f_8_cdec_sa_23HieroCachingRuleFactory_find_fixpoint(struct __py
         __pyx_t_4 = (((__pyx_v_f_back_high[0]) - (__pyx_v_f_back_low[0])) > __pyx_v_max_f_len);
         if (__pyx_t_4) {
 
-          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1236
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1235
  *                     if f_back_high[0] - f_back_low[0] > max_f_len:
  *                         # FAIL: extension required on high side violates max initial length
  *                         return 0             # <<<<<<<<<<<<<<
@@ -47747,7 +47776,7 @@ static int __pyx_f_8_cdec_sa_23HieroCachingRuleFactory_find_fixpoint(struct __py
         }
         __pyx_L28:;
 
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1237
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1236
  *                         # FAIL: extension required on high side violates max initial length
  *                         return 0
  *                     if f_back_high[0] > f_sent_len:             # <<<<<<<<<<<<<<
@@ -47757,7 +47786,7 @@ static int __pyx_f_8_cdec_sa_23HieroCachingRuleFactory_find_fixpoint(struct __py
         __pyx_t_4 = ((__pyx_v_f_back_high[0]) > __pyx_v_f_sent_len);
         if (__pyx_t_4) {
 
-          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1239
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1238
  *                     if f_back_high[0] > f_sent_len:
  *                         # FAIL: extension required on high side violates sentence boundary
  *                         return 0             # <<<<<<<<<<<<<<
@@ -47776,7 +47805,7 @@ static int __pyx_f_8_cdec_sa_23HieroCachingRuleFactory_find_fixpoint(struct __py
     }
     __pyx_L24:;
 
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1241
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1240
  *                         return 0
  * 
  *             e_low_prev = e_low[0]             # <<<<<<<<<<<<<<
@@ -47785,7 +47814,7 @@ static int __pyx_f_8_cdec_sa_23HieroCachingRuleFactory_find_fixpoint(struct __py
  */
     __pyx_v_e_low_prev = (__pyx_v_e_low[0]);
 
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1242
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1241
  * 
  *             e_low_prev = e_low[0]
  *             e_high_prev = e_high[0]             # <<<<<<<<<<<<<<
@@ -47794,29 +47823,29 @@ static int __pyx_f_8_cdec_sa_23HieroCachingRuleFactory_find_fixpoint(struct __py
  */
     __pyx_v_e_high_prev = (__pyx_v_e_high[0]);
 
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1244
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1243
  *             e_high_prev = e_high[0]
  * 
  *             self.find_projection(f_back_low[0], f_low_prev, f_links_low, f_links_high, e_low, e_high)             # <<<<<<<<<<<<<<
  *             self.find_projection(f_high_prev, f_back_high[0], f_links_low, f_links_high, e_low, e_high)
  *             if e_low[0] == e_low_prev and e_high[0] == e_high_prev:
  */
-    __pyx_t_6 = ((struct __pyx_vtabstruct_8_cdec_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->find_projection(__pyx_v_self, (__pyx_v_f_back_low[0]), __pyx_v_f_low_prev, __pyx_v_f_links_low, __pyx_v_f_links_high, __pyx_v_e_low, __pyx_v_e_high); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1244; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_6 = ((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->find_projection(__pyx_v_self, (__pyx_v_f_back_low[0]), __pyx_v_f_low_prev, __pyx_v_f_links_low, __pyx_v_f_links_high, __pyx_v_e_low, __pyx_v_e_high); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1243; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_6);
     __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
 
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1245
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1244
  * 
  *             self.find_projection(f_back_low[0], f_low_prev, f_links_low, f_links_high, e_low, e_high)
  *             self.find_projection(f_high_prev, f_back_high[0], f_links_low, f_links_high, e_low, e_high)             # <<<<<<<<<<<<<<
  *             if e_low[0] == e_low_prev and e_high[0] == e_high_prev:
  *                 return 1
  */
-    __pyx_t_6 = ((struct __pyx_vtabstruct_8_cdec_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->find_projection(__pyx_v_self, __pyx_v_f_high_prev, (__pyx_v_f_back_high[0]), __pyx_v_f_links_low, __pyx_v_f_links_high, __pyx_v_e_low, __pyx_v_e_high); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1245; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_6 = ((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->find_projection(__pyx_v_self, __pyx_v_f_high_prev, (__pyx_v_f_back_high[0]), __pyx_v_f_links_low, __pyx_v_f_links_high, __pyx_v_e_low, __pyx_v_e_high); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1244; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_6);
     __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
 
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1246
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1245
  *             self.find_projection(f_back_low[0], f_low_prev, f_links_low, f_links_high, e_low, e_high)
  *             self.find_projection(f_high_prev, f_back_high[0], f_links_low, f_links_high, e_low, e_high)
  *             if e_low[0] == e_low_prev and e_high[0] == e_high_prev:             # <<<<<<<<<<<<<<
@@ -47832,7 +47861,7 @@ static int __pyx_f_8_cdec_sa_23HieroCachingRuleFactory_find_fixpoint(struct __py
     }
     if (__pyx_t_3) {
 
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1247
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1246
  *             self.find_projection(f_high_prev, f_back_high[0], f_links_low, f_links_high, e_low, e_high)
  *             if e_low[0] == e_low_prev and e_high[0] == e_high_prev:
  *                 return 1             # <<<<<<<<<<<<<<
@@ -47845,7 +47874,7 @@ static int __pyx_f_8_cdec_sa_23HieroCachingRuleFactory_find_fixpoint(struct __py
     }
     __pyx_L30:;
 
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1248
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1247
  *             if e_low[0] == e_low_prev and e_high[0] == e_high_prev:
  *                 return 1
  *             if allow_arbitrary_x == 0:             # <<<<<<<<<<<<<<
@@ -47855,7 +47884,7 @@ static int __pyx_f_8_cdec_sa_23HieroCachingRuleFactory_find_fixpoint(struct __py
     __pyx_t_3 = (__pyx_v_allow_arbitrary_x == 0);
     if (__pyx_t_3) {
 
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1250
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1249
  *             if allow_arbitrary_x == 0:
  *                 # FAIL: arbitrary expansion not permitted
  *                 return 0             # <<<<<<<<<<<<<<
@@ -47868,7 +47897,7 @@ static int __pyx_f_8_cdec_sa_23HieroCachingRuleFactory_find_fixpoint(struct __py
     }
     __pyx_L31:;
 
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1251
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1250
  *                 # FAIL: arbitrary expansion not permitted
  *                 return 0
  *             if e_high[0] - e_low[0] > max_e_len:             # <<<<<<<<<<<<<<
@@ -47878,7 +47907,7 @@ static int __pyx_f_8_cdec_sa_23HieroCachingRuleFactory_find_fixpoint(struct __py
     __pyx_t_3 = (((__pyx_v_e_high[0]) - (__pyx_v_e_low[0])) > __pyx_v_max_e_len);
     if (__pyx_t_3) {
 
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1253
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1252
  *             if e_high[0] - e_low[0] > max_e_len:
  *                 # FAIL: re-projection violates sentence max phrase length
  *                 return 0             # <<<<<<<<<<<<<<
@@ -47891,7 +47920,7 @@ static int __pyx_f_8_cdec_sa_23HieroCachingRuleFactory_find_fixpoint(struct __py
     }
     __pyx_L32:;
 
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1254
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1253
  *                 # FAIL: re-projection violates sentence max phrase length
  *                 return 0
  *             f_low_prev = f_back_low[0]             # <<<<<<<<<<<<<<
@@ -47900,7 +47929,7 @@ static int __pyx_f_8_cdec_sa_23HieroCachingRuleFactory_find_fixpoint(struct __py
  */
     __pyx_v_f_low_prev = (__pyx_v_f_back_low[0]);
 
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1255
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1254
  *                 return 0
  *             f_low_prev = f_back_low[0]
  *             f_high_prev = f_back_high[0]             # <<<<<<<<<<<<<<
@@ -47916,14 +47945,14 @@ static int __pyx_f_8_cdec_sa_23HieroCachingRuleFactory_find_fixpoint(struct __py
   __Pyx_XDECREF(__pyx_t_2);
   __Pyx_XDECREF(__pyx_t_6);
   __Pyx_XDECREF(__pyx_t_7);
-  __Pyx_WriteUnraisable("_cdec_sa.HieroCachingRuleFactory.find_fixpoint", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_WriteUnraisable("_sa.HieroCachingRuleFactory.find_fixpoint", __pyx_clineno, __pyx_lineno, __pyx_filename);
   __pyx_r = 0;
   __pyx_L0:;
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 }
 
-/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1258
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1257
  * 
  * 
  *     cdef find_projection(self, int in_low, int in_high, int* in_links_low, int* in_links_high,             # <<<<<<<<<<<<<<
@@ -47931,7 +47960,7 @@ static int __pyx_f_8_cdec_sa_23HieroCachingRuleFactory_find_fixpoint(struct __py
  *         cdef int i
  */
 
-static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_find_projection(CYTHON_UNUSED struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *__pyx_v_self, int __pyx_v_in_low, int __pyx_v_in_high, int *__pyx_v_in_links_low, int *__pyx_v_in_links_high, int *__pyx_v_out_low, int *__pyx_v_out_high) {
+static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_find_projection(CYTHON_UNUSED struct __pyx_obj_3_sa_HieroCachingRuleFactory *__pyx_v_self, int __pyx_v_in_low, int __pyx_v_in_high, int *__pyx_v_in_links_low, int *__pyx_v_in_links_high, int *__pyx_v_out_low, int *__pyx_v_out_high) {
   int __pyx_v_i;
   PyObject *__pyx_r = NULL;
   __Pyx_RefNannyDeclarations
@@ -47941,7 +47970,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_find_projection(CYT
   int __pyx_t_4;
   __Pyx_RefNannySetupContext("find_projection", 0);
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1261
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1260
  *                         int* out_low, int* out_high):
  *         cdef int i
  *         for i from in_low <= i < in_high:             # <<<<<<<<<<<<<<
@@ -47951,7 +47980,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_find_projection(CYT
   __pyx_t_1 = __pyx_v_in_high;
   for (__pyx_v_i = __pyx_v_in_low; __pyx_v_i < __pyx_t_1; __pyx_v_i++) {
 
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1262
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1261
  *         cdef int i
  *         for i from in_low <= i < in_high:
  *             if in_links_low[i] != -1:             # <<<<<<<<<<<<<<
@@ -47961,7 +47990,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_find_projection(CYT
     __pyx_t_2 = ((__pyx_v_in_links_low[__pyx_v_i]) != -1);
     if (__pyx_t_2) {
 
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1263
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1262
  *         for i from in_low <= i < in_high:
  *             if in_links_low[i] != -1:
  *                 if out_low[0] == -1 or in_links_low[i] < out_low[0]:             # <<<<<<<<<<<<<<
@@ -47977,7 +48006,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_find_projection(CYT
       }
       if (__pyx_t_4) {
 
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1264
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1263
  *             if in_links_low[i] != -1:
  *                 if out_low[0] == -1 or in_links_low[i] < out_low[0]:
  *                     out_low[0] = in_links_low[i]             # <<<<<<<<<<<<<<
@@ -47989,7 +48018,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_find_projection(CYT
       }
       __pyx_L6:;
 
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1265
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1264
  *                 if out_low[0] == -1 or in_links_low[i] < out_low[0]:
  *                     out_low[0] = in_links_low[i]
  *                 if out_high[0] == -1 or in_links_high[i] > out_high[0]:             # <<<<<<<<<<<<<<
@@ -48005,7 +48034,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_find_projection(CYT
       }
       if (__pyx_t_3) {
 
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1266
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1265
  *                     out_low[0] = in_links_low[i]
  *                 if out_high[0] == -1 or in_links_high[i] > out_high[0]:
  *                     out_high[0] = in_links_high[i]             # <<<<<<<<<<<<<<
@@ -48027,7 +48056,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_find_projection(CYT
   return __pyx_r;
 }
 
-/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1269
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1268
  * 
  * 
  *     cdef int* int_arr_extend(self, int* arr, int* arr_len, int* data, int data_len):             # <<<<<<<<<<<<<<
@@ -48035,13 +48064,13 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_find_projection(CYT
  *         new_len = arr_len[0] + data_len
  */
 
-static int *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_int_arr_extend(CYTHON_UNUSED struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *__pyx_v_self, int *__pyx_v_arr, int *__pyx_v_arr_len, int *__pyx_v_data, int __pyx_v_data_len) {
+static int *__pyx_f_3_sa_23HieroCachingRuleFactory_int_arr_extend(CYTHON_UNUSED struct __pyx_obj_3_sa_HieroCachingRuleFactory *__pyx_v_self, int *__pyx_v_arr, int *__pyx_v_arr_len, int *__pyx_v_data, int __pyx_v_data_len) {
   int __pyx_v_new_len;
   int *__pyx_r;
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("int_arr_extend", 0);
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1271
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1270
  *     cdef int* int_arr_extend(self, int* arr, int* arr_len, int* data, int data_len):
  *         cdef int new_len
  *         new_len = arr_len[0] + data_len             # <<<<<<<<<<<<<<
@@ -48050,7 +48079,7 @@ static int *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_int_arr_extend(CYTHON_UN
  */
   __pyx_v_new_len = ((__pyx_v_arr_len[0]) + __pyx_v_data_len);
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1272
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1271
  *         cdef int new_len
  *         new_len = arr_len[0] + data_len
  *         arr = <int*> realloc(arr, new_len*sizeof(int))             # <<<<<<<<<<<<<<
@@ -48059,7 +48088,7 @@ static int *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_int_arr_extend(CYTHON_UN
  */
   __pyx_v_arr = ((int *)realloc(__pyx_v_arr, (__pyx_v_new_len * (sizeof(int)))));
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1273
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1272
  *         new_len = arr_len[0] + data_len
  *         arr = <int*> realloc(arr, new_len*sizeof(int))
  *         memcpy(arr+arr_len[0], data, data_len*sizeof(int))             # <<<<<<<<<<<<<<
@@ -48068,7 +48097,7 @@ static int *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_int_arr_extend(CYTHON_UN
  */
   memcpy((__pyx_v_arr + (__pyx_v_arr_len[0])), __pyx_v_data, (__pyx_v_data_len * (sizeof(int))));
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1274
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1273
  *         arr = <int*> realloc(arr, new_len*sizeof(int))
  *         memcpy(arr+arr_len[0], data, data_len*sizeof(int))
  *         arr_len[0] = new_len             # <<<<<<<<<<<<<<
@@ -48077,7 +48106,7 @@ static int *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_int_arr_extend(CYTHON_UN
  */
   (__pyx_v_arr_len[0]) = __pyx_v_new_len;
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1275
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1274
  *         memcpy(arr+arr_len[0], data, data_len*sizeof(int))
  *         arr_len[0] = new_len
  *         return arr             # <<<<<<<<<<<<<<
@@ -48093,7 +48122,7 @@ static int *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_int_arr_extend(CYTHON_UN
   return __pyx_r;
 }
 
-/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1278
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1277
  * 
  * 
  *     cdef extract_phrases(self, int e_low, int e_high, int* e_gap_low, int* e_gap_high, int* e_links_low, int num_gaps,             # <<<<<<<<<<<<<<
@@ -48101,7 +48130,7 @@ static int *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_int_arr_extend(CYTHON_UN
  *                         int sent_id, int e_sent_len, int e_sent_start):
  */
 
-static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract_phrases(struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *__pyx_v_self, int __pyx_v_e_low, int __pyx_v_e_high, int *__pyx_v_e_gap_low, int *__pyx_v_e_gap_high, int *__pyx_v_e_links_low, int __pyx_v_num_gaps, CYTHON_UNUSED int __pyx_v_f_low, CYTHON_UNUSED int __pyx_v_f_high, CYTHON_UNUSED int *__pyx_v_f_gap_low, CYTHON_UNUSED int *__pyx_v_f_gap_high, CYTHON_UNUSED int *__pyx_v_f_links_low, CYTHON_UNUSED int __pyx_v_sent_id, int __pyx_v_e_sent_len, int __pyx_v_e_sent_start) {
+static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases(struct __pyx_obj_3_sa_HieroCachingRuleFactory *__pyx_v_self, int __pyx_v_e_low, int __pyx_v_e_high, int *__pyx_v_e_gap_low, int *__pyx_v_e_gap_high, int *__pyx_v_e_links_low, int __pyx_v_num_gaps, CYTHON_UNUSED int __pyx_v_f_low, CYTHON_UNUSED int __pyx_v_f_high, CYTHON_UNUSED int *__pyx_v_f_gap_low, CYTHON_UNUSED int *__pyx_v_f_gap_high, CYTHON_UNUSED int *__pyx_v_f_links_low, CYTHON_UNUSED int __pyx_v_sent_id, int __pyx_v_e_sent_len, int __pyx_v_e_sent_start) {
   int __pyx_v_i;
   int __pyx_v_j;
   int __pyx_v_k;
@@ -48118,7 +48147,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract_phrases(str
   int __pyx_v_len2;
   int __pyx_v_step;
   int __pyx_v_num_chunks;
-  struct __pyx_obj_8_cdec_sa_IntList *__pyx_v_ephr_arr = 0;
+  struct __pyx_obj_3_sa_IntList *__pyx_v_ephr_arr = 0;
   PyObject *__pyx_v_result = 0;
   PyObject *__pyx_v_indexes = NULL;
   PyObject *__pyx_r = NULL;
@@ -48139,19 +48168,19 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract_phrases(str
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("extract_phrases", 0);
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1286
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1285
  *         cdef result
  * 
  *         result = []             # <<<<<<<<<<<<<<
  *         len1 = 0
  *         e_gaps1 = <int*> malloc(0)
  */
-  __pyx_t_1 = PyList_New(0); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1286; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = PyList_New(0); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1285; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_1);
   __pyx_v_result = ((PyObject *)__pyx_t_1);
   __pyx_t_1 = 0;
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1287
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1286
  * 
  *         result = []
  *         len1 = 0             # <<<<<<<<<<<<<<
@@ -48160,7 +48189,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract_phrases(str
  */
   __pyx_v_len1 = 0;
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1288
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1287
  *         result = []
  *         len1 = 0
  *         e_gaps1 = <int*> malloc(0)             # <<<<<<<<<<<<<<
@@ -48169,19 +48198,19 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract_phrases(str
  */
   __pyx_v_e_gaps1 = ((int *)malloc(0));
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1289
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1288
  *         len1 = 0
  *         e_gaps1 = <int*> malloc(0)
  *         ephr_arr = IntList()             # <<<<<<<<<<<<<<
  * 
  *         e_gap_order = <int*> malloc(num_gaps*sizeof(int))
  */
-  __pyx_t_1 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_8_cdec_sa_IntList)), ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1289; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_IntList)), ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1288; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_1);
-  __pyx_v_ephr_arr = ((struct __pyx_obj_8_cdec_sa_IntList *)__pyx_t_1);
+  __pyx_v_ephr_arr = ((struct __pyx_obj_3_sa_IntList *)__pyx_t_1);
   __pyx_t_1 = 0;
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1291
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1290
  *         ephr_arr = IntList()
  * 
  *         e_gap_order = <int*> malloc(num_gaps*sizeof(int))             # <<<<<<<<<<<<<<
@@ -48190,7 +48219,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract_phrases(str
  */
   __pyx_v_e_gap_order = ((int *)malloc((__pyx_v_num_gaps * (sizeof(int)))));
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1292
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1291
  * 
  *         e_gap_order = <int*> malloc(num_gaps*sizeof(int))
  *         if num_gaps > 0:             # <<<<<<<<<<<<<<
@@ -48200,7 +48229,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract_phrases(str
   __pyx_t_2 = (__pyx_v_num_gaps > 0);
   if (__pyx_t_2) {
 
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1293
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1292
  *         e_gap_order = <int*> malloc(num_gaps*sizeof(int))
  *         if num_gaps > 0:
  *             e_gap_order[0] = 0             # <<<<<<<<<<<<<<
@@ -48209,7 +48238,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract_phrases(str
  */
     (__pyx_v_e_gap_order[0]) = 0;
 
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1294
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1293
  *         if num_gaps > 0:
  *             e_gap_order[0] = 0
  *             for i from 1 <= i < num_gaps:             # <<<<<<<<<<<<<<
@@ -48219,7 +48248,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract_phrases(str
     __pyx_t_3 = __pyx_v_num_gaps;
     for (__pyx_v_i = 1; __pyx_v_i < __pyx_t_3; __pyx_v_i++) {
 
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1295
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1294
  *             e_gap_order[0] = 0
  *             for i from 1 <= i < num_gaps:
  *                 for j from 0 <= j < i:             # <<<<<<<<<<<<<<
@@ -48229,7 +48258,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract_phrases(str
       __pyx_t_4 = __pyx_v_i;
       for (__pyx_v_j = 0; __pyx_v_j < __pyx_t_4; __pyx_v_j++) {
 
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1296
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1295
  *             for i from 1 <= i < num_gaps:
  *                 for j from 0 <= j < i:
  *                     if e_gap_low[i] < e_gap_low[j]:             # <<<<<<<<<<<<<<
@@ -48239,7 +48268,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract_phrases(str
         __pyx_t_2 = ((__pyx_v_e_gap_low[__pyx_v_i]) < (__pyx_v_e_gap_low[__pyx_v_j]));
         if (__pyx_t_2) {
 
-          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1297
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1296
  *                 for j from 0 <= j < i:
  *                     if e_gap_low[i] < e_gap_low[j]:
  *                         for k from j <= k < i:             # <<<<<<<<<<<<<<
@@ -48249,7 +48278,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract_phrases(str
           __pyx_t_5 = __pyx_v_i;
           for (__pyx_v_k = __pyx_v_j; __pyx_v_k < __pyx_t_5; __pyx_v_k++) {
 
-            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1298
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1297
  *                     if e_gap_low[i] < e_gap_low[j]:
  *                         for k from j <= k < i:
  *                             e_gap_order[k+1] = e_gap_order[k]             # <<<<<<<<<<<<<<
@@ -48259,7 +48288,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract_phrases(str
             (__pyx_v_e_gap_order[(__pyx_v_k + 1)]) = (__pyx_v_e_gap_order[__pyx_v_k]);
           }
 
-          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1299
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1298
  *                         for k from j <= k < i:
  *                             e_gap_order[k+1] = e_gap_order[k]
  *                         e_gap_order[j] = i             # <<<<<<<<<<<<<<
@@ -48268,7 +48297,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract_phrases(str
  */
           (__pyx_v_e_gap_order[__pyx_v_j]) = __pyx_v_i;
 
-          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1300
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1299
  *                             e_gap_order[k+1] = e_gap_order[k]
  *                         e_gap_order[j] = i
  *                         break             # <<<<<<<<<<<<<<
@@ -48282,7 +48311,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract_phrases(str
       }
       /*else*/ {
 
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1302
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1301
  *                         break
  *                 else:
  *                     e_gap_order[i] = i             # <<<<<<<<<<<<<<
@@ -48297,7 +48326,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract_phrases(str
   }
   __pyx_L3:;
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1304
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1303
  *                     e_gap_order[i] = i
  * 
  *         e_x_low = e_low             # <<<<<<<<<<<<<<
@@ -48306,7 +48335,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract_phrases(str
  */
   __pyx_v_e_x_low = __pyx_v_e_low;
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1305
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1304
  * 
  *         e_x_low = e_low
  *         e_x_high = e_high             # <<<<<<<<<<<<<<
@@ -48315,7 +48344,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract_phrases(str
  */
   __pyx_v_e_x_high = __pyx_v_e_high;
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1306
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1305
  *         e_x_low = e_low
  *         e_x_high = e_high
  *         if self.tight_phrases == 0:             # <<<<<<<<<<<<<<
@@ -48325,7 +48354,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract_phrases(str
   __pyx_t_2 = (__pyx_v_self->tight_phrases == 0);
   if (__pyx_t_2) {
 
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1307
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1306
  *         e_x_high = e_high
  *         if self.tight_phrases == 0:
  *             while e_x_low > 0 and e_high - e_x_low < self.train_max_initial_size and e_links_low[e_x_low-1] == -1:             # <<<<<<<<<<<<<<
@@ -48348,7 +48377,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract_phrases(str
       }
       if (!__pyx_t_6) break;
 
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1308
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1307
  *         if self.tight_phrases == 0:
  *             while e_x_low > 0 and e_high - e_x_low < self.train_max_initial_size and e_links_low[e_x_low-1] == -1:
  *                 e_x_low = e_x_low - 1             # <<<<<<<<<<<<<<
@@ -48358,7 +48387,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract_phrases(str
       __pyx_v_e_x_low = (__pyx_v_e_x_low - 1);
     }
 
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1309
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1308
  *             while e_x_low > 0 and e_high - e_x_low < self.train_max_initial_size and e_links_low[e_x_low-1] == -1:
  *                 e_x_low = e_x_low - 1
  *             while e_x_high < e_sent_len and e_x_high - e_low < self.train_max_initial_size and e_links_low[e_x_high] == -1:             # <<<<<<<<<<<<<<
@@ -48381,7 +48410,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract_phrases(str
       }
       if (!__pyx_t_2) break;
 
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1310
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1309
  *                 e_x_low = e_x_low - 1
  *             while e_x_high < e_sent_len and e_x_high - e_low < self.train_max_initial_size and e_links_low[e_x_high] == -1:
  *                 e_x_high = e_x_high + 1             # <<<<<<<<<<<<<<
@@ -48394,7 +48423,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract_phrases(str
   }
   __pyx_L11:;
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1312
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1311
  *                 e_x_high = e_x_high + 1
  * 
  *         for i from e_x_low <= i <= e_low:             # <<<<<<<<<<<<<<
@@ -48404,17 +48433,17 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract_phrases(str
   __pyx_t_3 = __pyx_v_e_low;
   for (__pyx_v_i = __pyx_v_e_x_low; __pyx_v_i <= __pyx_t_3; __pyx_v_i++) {
 
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1313
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1312
  * 
  *         for i from e_x_low <= i <= e_low:
  *             e_gaps1 = self.int_arr_extend(e_gaps1, &len1, &i, 1)             # <<<<<<<<<<<<<<
  * 
  *         for i from 0 <= i < num_gaps:
  */
-    __pyx_v_e_gaps1 = ((struct __pyx_vtabstruct_8_cdec_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->int_arr_extend(__pyx_v_self, __pyx_v_e_gaps1, (&__pyx_v_len1), (&__pyx_v_i), 1);
+    __pyx_v_e_gaps1 = ((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->int_arr_extend(__pyx_v_self, __pyx_v_e_gaps1, (&__pyx_v_len1), (&__pyx_v_i), 1);
   }
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1315
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1314
  *             e_gaps1 = self.int_arr_extend(e_gaps1, &len1, &i, 1)
  * 
  *         for i from 0 <= i < num_gaps:             # <<<<<<<<<<<<<<
@@ -48424,7 +48453,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract_phrases(str
   __pyx_t_3 = __pyx_v_num_gaps;
   for (__pyx_v_i = 0; __pyx_v_i < __pyx_t_3; __pyx_v_i++) {
 
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1316
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1315
  * 
  *         for i from 0 <= i < num_gaps:
  *             e_gaps2 = <int*> malloc(0)             # <<<<<<<<<<<<<<
@@ -48433,7 +48462,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract_phrases(str
  */
     __pyx_v_e_gaps2 = ((int *)malloc(0));
 
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1317
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1316
  *         for i from 0 <= i < num_gaps:
  *             e_gaps2 = <int*> malloc(0)
  *             len2 = 0             # <<<<<<<<<<<<<<
@@ -48442,7 +48471,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract_phrases(str
  */
     __pyx_v_len2 = 0;
 
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1319
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1318
  *             len2 = 0
  * 
  *             j = e_gap_order[i]             # <<<<<<<<<<<<<<
@@ -48451,7 +48480,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract_phrases(str
  */
     __pyx_v_j = (__pyx_v_e_gap_order[__pyx_v_i]);
 
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1320
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1319
  * 
  *             j = e_gap_order[i]
  *             e_x_gap_low = e_gap_low[j]             # <<<<<<<<<<<<<<
@@ -48460,7 +48489,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract_phrases(str
  */
     __pyx_v_e_x_gap_low = (__pyx_v_e_gap_low[__pyx_v_j]);
 
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1321
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1320
  *             j = e_gap_order[i]
  *             e_x_gap_low = e_gap_low[j]
  *             e_x_gap_high = e_gap_high[j]             # <<<<<<<<<<<<<<
@@ -48469,7 +48498,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract_phrases(str
  */
     __pyx_v_e_x_gap_high = (__pyx_v_e_gap_high[__pyx_v_j]);
 
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1322
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1321
  *             e_x_gap_low = e_gap_low[j]
  *             e_x_gap_high = e_gap_high[j]
  *             if self.tight_phrases == 0:             # <<<<<<<<<<<<<<
@@ -48479,7 +48508,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract_phrases(str
     __pyx_t_2 = (__pyx_v_self->tight_phrases == 0);
     if (__pyx_t_2) {
 
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1323
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1322
  *             e_x_gap_high = e_gap_high[j]
  *             if self.tight_phrases == 0:
  *                 while e_x_gap_low > e_x_low and e_links_low[e_x_gap_low-1] == -1:             # <<<<<<<<<<<<<<
@@ -48496,7 +48525,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract_phrases(str
         }
         if (!__pyx_t_7) break;
 
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1324
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1323
  *             if self.tight_phrases == 0:
  *                 while e_x_gap_low > e_x_low and e_links_low[e_x_gap_low-1] == -1:
  *                     e_x_gap_low = e_x_gap_low - 1             # <<<<<<<<<<<<<<
@@ -48506,7 +48535,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract_phrases(str
         __pyx_v_e_x_gap_low = (__pyx_v_e_x_gap_low - 1);
       }
 
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1325
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1324
  *                 while e_x_gap_low > e_x_low and e_links_low[e_x_gap_low-1] == -1:
  *                     e_x_gap_low = e_x_gap_low - 1
  *                 while e_x_gap_high < e_x_high and e_links_low[e_x_gap_high] == -1:             # <<<<<<<<<<<<<<
@@ -48523,7 +48552,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract_phrases(str
         }
         if (!__pyx_t_6) break;
 
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1326
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1325
  *                     e_x_gap_low = e_x_gap_low - 1
  *                 while e_x_gap_high < e_x_high and e_links_low[e_x_gap_high] == -1:
  *                     e_x_gap_high = e_x_gap_high + 1             # <<<<<<<<<<<<<<
@@ -48536,7 +48565,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract_phrases(str
     }
     __pyx_L20:;
 
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1328
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1327
  *                     e_x_gap_high = e_x_gap_high + 1
  * 
  *             k = 0             # <<<<<<<<<<<<<<
@@ -48545,7 +48574,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract_phrases(str
  */
     __pyx_v_k = 0;
 
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1329
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1328
  * 
  *             k = 0
  *             step = 1+(i*2)             # <<<<<<<<<<<<<<
@@ -48554,7 +48583,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract_phrases(str
  */
     __pyx_v_step = (1 + (__pyx_v_i * 2));
 
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1330
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1329
  *             k = 0
  *             step = 1+(i*2)
  *             while k < len1:             # <<<<<<<<<<<<<<
@@ -48565,7 +48594,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract_phrases(str
       __pyx_t_6 = (__pyx_v_k < __pyx_v_len1);
       if (!__pyx_t_6) break;
 
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1331
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1330
  *             step = 1+(i*2)
  *             while k < len1:
  *                 for m from e_x_gap_low <= m <= e_gap_low[j]:             # <<<<<<<<<<<<<<
@@ -48575,7 +48604,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract_phrases(str
       __pyx_t_4 = (__pyx_v_e_gap_low[__pyx_v_j]);
       for (__pyx_v_m = __pyx_v_e_x_gap_low; __pyx_v_m <= __pyx_t_4; __pyx_v_m++) {
 
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1332
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1331
  *             while k < len1:
  *                 for m from e_x_gap_low <= m <= e_gap_low[j]:
  *                     if m >= e_gaps1[k+step-1]:             # <<<<<<<<<<<<<<
@@ -48585,7 +48614,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract_phrases(str
         __pyx_t_6 = (__pyx_v_m >= (__pyx_v_e_gaps1[((__pyx_v_k + __pyx_v_step) - 1)]));
         if (__pyx_t_6) {
 
-          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1333
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1332
  *                 for m from e_x_gap_low <= m <= e_gap_low[j]:
  *                     if m >= e_gaps1[k+step-1]:
  *                         for n from e_gap_high[j] <= n <= e_x_gap_high:             # <<<<<<<<<<<<<<
@@ -48595,7 +48624,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract_phrases(str
           __pyx_t_5 = __pyx_v_e_x_gap_high;
           for (__pyx_v_n = (__pyx_v_e_gap_high[__pyx_v_j]); __pyx_v_n <= __pyx_t_5; __pyx_v_n++) {
 
-            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1334
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1333
  *                     if m >= e_gaps1[k+step-1]:
  *                         for n from e_gap_high[j] <= n <= e_x_gap_high:
  *                             if n-m >= 1:    # extractor.py doesn't restrict target-side gap length             # <<<<<<<<<<<<<<
@@ -48605,32 +48634,32 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract_phrases(str
             __pyx_t_6 = ((__pyx_v_n - __pyx_v_m) >= 1);
             if (__pyx_t_6) {
 
-              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1335
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1334
  *                         for n from e_gap_high[j] <= n <= e_x_gap_high:
  *                             if n-m >= 1:    # extractor.py doesn't restrict target-side gap length
  *                                 e_gaps2 = self.int_arr_extend(e_gaps2, &len2, e_gaps1+k, step)             # <<<<<<<<<<<<<<
  *                                 e_gaps2 = self.int_arr_extend(e_gaps2, &len2, &m, 1)
  *                                 e_gaps2 = self.int_arr_extend(e_gaps2, &len2, &n, 1)
  */
-              __pyx_v_e_gaps2 = ((struct __pyx_vtabstruct_8_cdec_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->int_arr_extend(__pyx_v_self, __pyx_v_e_gaps2, (&__pyx_v_len2), (__pyx_v_e_gaps1 + __pyx_v_k), __pyx_v_step);
+              __pyx_v_e_gaps2 = ((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->int_arr_extend(__pyx_v_self, __pyx_v_e_gaps2, (&__pyx_v_len2), (__pyx_v_e_gaps1 + __pyx_v_k), __pyx_v_step);
 
-              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1336
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1335
  *                             if n-m >= 1:    # extractor.py doesn't restrict target-side gap length
  *                                 e_gaps2 = self.int_arr_extend(e_gaps2, &len2, e_gaps1+k, step)
  *                                 e_gaps2 = self.int_arr_extend(e_gaps2, &len2, &m, 1)             # <<<<<<<<<<<<<<
  *                                 e_gaps2 = self.int_arr_extend(e_gaps2, &len2, &n, 1)
  *                 k = k + step
  */
-              __pyx_v_e_gaps2 = ((struct __pyx_vtabstruct_8_cdec_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->int_arr_extend(__pyx_v_self, __pyx_v_e_gaps2, (&__pyx_v_len2), (&__pyx_v_m), 1);
+              __pyx_v_e_gaps2 = ((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->int_arr_extend(__pyx_v_self, __pyx_v_e_gaps2, (&__pyx_v_len2), (&__pyx_v_m), 1);
 
-              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1337
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1336
  *                                 e_gaps2 = self.int_arr_extend(e_gaps2, &len2, e_gaps1+k, step)
  *                                 e_gaps2 = self.int_arr_extend(e_gaps2, &len2, &m, 1)
  *                                 e_gaps2 = self.int_arr_extend(e_gaps2, &len2, &n, 1)             # <<<<<<<<<<<<<<
  *                 k = k + step
  *             free(e_gaps1)
  */
-              __pyx_v_e_gaps2 = ((struct __pyx_vtabstruct_8_cdec_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->int_arr_extend(__pyx_v_self, __pyx_v_e_gaps2, (&__pyx_v_len2), (&__pyx_v_n), 1);
+              __pyx_v_e_gaps2 = ((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->int_arr_extend(__pyx_v_self, __pyx_v_e_gaps2, (&__pyx_v_len2), (&__pyx_v_n), 1);
               goto __pyx_L32;
             }
             __pyx_L32:;
@@ -48640,7 +48669,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract_phrases(str
         __pyx_L29:;
       }
 
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1338
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1337
  *                                 e_gaps2 = self.int_arr_extend(e_gaps2, &len2, &m, 1)
  *                                 e_gaps2 = self.int_arr_extend(e_gaps2, &len2, &n, 1)
  *                 k = k + step             # <<<<<<<<<<<<<<
@@ -48650,7 +48679,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract_phrases(str
       __pyx_v_k = (__pyx_v_k + __pyx_v_step);
     }
 
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1339
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1338
  *                                 e_gaps2 = self.int_arr_extend(e_gaps2, &len2, &n, 1)
  *                 k = k + step
  *             free(e_gaps1)             # <<<<<<<<<<<<<<
@@ -48659,7 +48688,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract_phrases(str
  */
     free(__pyx_v_e_gaps1);
 
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1340
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1339
  *                 k = k + step
  *             free(e_gaps1)
  *             e_gaps1 = e_gaps2             # <<<<<<<<<<<<<<
@@ -48668,7 +48697,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract_phrases(str
  */
     __pyx_v_e_gaps1 = __pyx_v_e_gaps2;
 
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1341
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1340
  *             free(e_gaps1)
  *             e_gaps1 = e_gaps2
  *             len1 = len2             # <<<<<<<<<<<<<<
@@ -48678,7 +48707,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract_phrases(str
     __pyx_v_len1 = __pyx_v_len2;
   }
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1343
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1342
  *             len1 = len2
  * 
  *         step = 1+(num_gaps*2)             # <<<<<<<<<<<<<<
@@ -48687,7 +48716,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract_phrases(str
  */
   __pyx_v_step = (1 + (__pyx_v_num_gaps * 2));
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1344
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1343
  * 
  *         step = 1+(num_gaps*2)
  *         e_gaps2 = <int*> malloc(0)             # <<<<<<<<<<<<<<
@@ -48696,7 +48725,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract_phrases(str
  */
   __pyx_v_e_gaps2 = ((int *)malloc(0));
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1345
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1344
  *         step = 1+(num_gaps*2)
  *         e_gaps2 = <int*> malloc(0)
  *         len2 = 0             # <<<<<<<<<<<<<<
@@ -48705,7 +48734,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract_phrases(str
  */
   __pyx_v_len2 = 0;
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1346
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1345
  *         e_gaps2 = <int*> malloc(0)
  *         len2 = 0
  *         for i from e_high <= i <= e_x_high:             # <<<<<<<<<<<<<<
@@ -48715,7 +48744,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract_phrases(str
   __pyx_t_3 = __pyx_v_e_x_high;
   for (__pyx_v_i = __pyx_v_e_high; __pyx_v_i <= __pyx_t_3; __pyx_v_i++) {
 
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1347
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1346
  *         len2 = 0
  *         for i from e_high <= i <= e_x_high:
  *             j = 0             # <<<<<<<<<<<<<<
@@ -48724,7 +48753,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract_phrases(str
  */
     __pyx_v_j = 0;
 
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1348
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1347
  *         for i from e_high <= i <= e_x_high:
  *             j = 0
  *             while j < len1:             # <<<<<<<<<<<<<<
@@ -48735,7 +48764,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract_phrases(str
       __pyx_t_6 = (__pyx_v_j < __pyx_v_len1);
       if (!__pyx_t_6) break;
 
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1349
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1348
  *             j = 0
  *             while j < len1:
  *                 if i - e_gaps1[j] <= self.train_max_initial_size and i >= e_gaps1[j+step-1]:             # <<<<<<<<<<<<<<
@@ -48751,28 +48780,28 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract_phrases(str
       }
       if (__pyx_t_2) {
 
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1350
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1349
  *             while j < len1:
  *                 if i - e_gaps1[j] <= self.train_max_initial_size and i >= e_gaps1[j+step-1]:
  *                     e_gaps2 = self.int_arr_extend(e_gaps2, &len2, e_gaps1+j, step)             # <<<<<<<<<<<<<<
  *                     e_gaps2 = self.int_arr_extend(e_gaps2, &len2, &i, 1)
  *                 j = j + step
  */
-        __pyx_v_e_gaps2 = ((struct __pyx_vtabstruct_8_cdec_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->int_arr_extend(__pyx_v_self, __pyx_v_e_gaps2, (&__pyx_v_len2), (__pyx_v_e_gaps1 + __pyx_v_j), __pyx_v_step);
+        __pyx_v_e_gaps2 = ((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->int_arr_extend(__pyx_v_self, __pyx_v_e_gaps2, (&__pyx_v_len2), (__pyx_v_e_gaps1 + __pyx_v_j), __pyx_v_step);
 
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1351
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1350
  *                 if i - e_gaps1[j] <= self.train_max_initial_size and i >= e_gaps1[j+step-1]:
  *                     e_gaps2 = self.int_arr_extend(e_gaps2, &len2, e_gaps1+j, step)
  *                     e_gaps2 = self.int_arr_extend(e_gaps2, &len2, &i, 1)             # <<<<<<<<<<<<<<
  *                 j = j + step
  *         free(e_gaps1)
  */
-        __pyx_v_e_gaps2 = ((struct __pyx_vtabstruct_8_cdec_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->int_arr_extend(__pyx_v_self, __pyx_v_e_gaps2, (&__pyx_v_len2), (&__pyx_v_i), 1);
+        __pyx_v_e_gaps2 = ((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->int_arr_extend(__pyx_v_self, __pyx_v_e_gaps2, (&__pyx_v_len2), (&__pyx_v_i), 1);
         goto __pyx_L37;
       }
       __pyx_L37:;
 
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1352
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1351
  *                     e_gaps2 = self.int_arr_extend(e_gaps2, &len2, e_gaps1+j, step)
  *                     e_gaps2 = self.int_arr_extend(e_gaps2, &len2, &i, 1)
  *                 j = j + step             # <<<<<<<<<<<<<<
@@ -48783,7 +48812,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract_phrases(str
     }
   }
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1353
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1352
  *                     e_gaps2 = self.int_arr_extend(e_gaps2, &len2, &i, 1)
  *                 j = j + step
  *         free(e_gaps1)             # <<<<<<<<<<<<<<
@@ -48792,7 +48821,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract_phrases(str
  */
   free(__pyx_v_e_gaps1);
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1354
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1353
  *                 j = j + step
  *         free(e_gaps1)
  *         e_gaps1 = e_gaps2             # <<<<<<<<<<<<<<
@@ -48801,7 +48830,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract_phrases(str
  */
   __pyx_v_e_gaps1 = __pyx_v_e_gaps2;
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1355
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1354
  *         free(e_gaps1)
  *         e_gaps1 = e_gaps2
  *         len1 = len2             # <<<<<<<<<<<<<<
@@ -48810,7 +48839,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract_phrases(str
  */
   __pyx_v_len1 = __pyx_v_len2;
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1357
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1356
  *         len1 = len2
  * 
  *         step = (num_gaps+1)*2             # <<<<<<<<<<<<<<
@@ -48819,7 +48848,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract_phrases(str
  */
   __pyx_v_step = ((__pyx_v_num_gaps + 1) * 2);
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1358
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1357
  * 
  *         step = (num_gaps+1)*2
  *         i = 0             # <<<<<<<<<<<<<<
@@ -48828,7 +48857,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract_phrases(str
  */
   __pyx_v_i = 0;
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1360
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1359
  *         i = 0
  * 
  *         while i < len1:             # <<<<<<<<<<<<<<
@@ -48839,16 +48868,16 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract_phrases(str
     __pyx_t_2 = (__pyx_v_i < __pyx_v_len1);
     if (!__pyx_t_2) break;
 
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1361
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1360
  * 
  *         while i < len1:
  *             ephr_arr._clear()             # <<<<<<<<<<<<<<
  *             num_chunks = 0
  *             indexes = []
  */
-    ((struct __pyx_vtabstruct_8_cdec_sa_IntList *)__pyx_v_ephr_arr->__pyx_vtab)->_clear(__pyx_v_ephr_arr);
+    ((struct __pyx_vtabstruct_3_sa_IntList *)__pyx_v_ephr_arr->__pyx_vtab)->_clear(__pyx_v_ephr_arr);
 
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1362
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1361
  *         while i < len1:
  *             ephr_arr._clear()
  *             num_chunks = 0             # <<<<<<<<<<<<<<
@@ -48857,20 +48886,20 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract_phrases(str
  */
     __pyx_v_num_chunks = 0;
 
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1363
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1362
  *             ephr_arr._clear()
  *             num_chunks = 0
  *             indexes = []             # <<<<<<<<<<<<<<
  *             for j from 0 <= j < num_gaps+1:
  *                 if e_gaps1[i+2*j] < e_gaps1[i+(2*j)+1]:
  */
-    __pyx_t_1 = PyList_New(0); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1363; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_1 = PyList_New(0); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1362; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_1);
     __Pyx_XDECREF(((PyObject *)__pyx_v_indexes));
     __pyx_v_indexes = __pyx_t_1;
     __pyx_t_1 = 0;
 
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1364
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1363
  *             num_chunks = 0
  *             indexes = []
  *             for j from 0 <= j < num_gaps+1:             # <<<<<<<<<<<<<<
@@ -48880,7 +48909,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract_phrases(str
     __pyx_t_9 = (__pyx_v_num_gaps + 1);
     for (__pyx_v_j = 0; __pyx_v_j < __pyx_t_9; __pyx_v_j++) {
 
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1365
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1364
  *             indexes = []
  *             for j from 0 <= j < num_gaps+1:
  *                 if e_gaps1[i+2*j] < e_gaps1[i+(2*j)+1]:             # <<<<<<<<<<<<<<
@@ -48890,7 +48919,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract_phrases(str
       __pyx_t_2 = ((__pyx_v_e_gaps1[(__pyx_v_i + (2 * __pyx_v_j))]) < (__pyx_v_e_gaps1[((__pyx_v_i + (2 * __pyx_v_j)) + 1)]));
       if (__pyx_t_2) {
 
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1366
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1365
  *             for j from 0 <= j < num_gaps+1:
  *                 if e_gaps1[i+2*j] < e_gaps1[i+(2*j)+1]:
  *                     num_chunks = num_chunks + 1             # <<<<<<<<<<<<<<
@@ -48902,7 +48931,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract_phrases(str
       }
       __pyx_L42:;
 
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1367
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1366
  *                 if e_gaps1[i+2*j] < e_gaps1[i+(2*j)+1]:
  *                     num_chunks = num_chunks + 1
  *                 for k from e_gaps1[i+2*j] <= k < e_gaps1[i+(2*j)+1]:             # <<<<<<<<<<<<<<
@@ -48912,19 +48941,19 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract_phrases(str
       __pyx_t_3 = (__pyx_v_e_gaps1[((__pyx_v_i + (2 * __pyx_v_j)) + 1)]);
       for (__pyx_v_k = (__pyx_v_e_gaps1[(__pyx_v_i + (2 * __pyx_v_j))]); __pyx_v_k < __pyx_t_3; __pyx_v_k++) {
 
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1368
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1367
  *                     num_chunks = num_chunks + 1
  *                 for k from e_gaps1[i+2*j] <= k < e_gaps1[i+(2*j)+1]:
  *                     indexes.append(k)             # <<<<<<<<<<<<<<
  *                     ephr_arr._append(self.eid2symid[self.eda.data.arr[e_sent_start+k]])
  *                 if j < num_gaps:
  */
-        __pyx_t_1 = PyInt_FromLong(__pyx_v_k); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1368; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_1 = PyInt_FromLong(__pyx_v_k); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1367; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_1);
-        __pyx_t_10 = PyList_Append(__pyx_v_indexes, __pyx_t_1); if (unlikely(__pyx_t_10 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1368; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_10 = PyList_Append(__pyx_v_indexes, __pyx_t_1); if (unlikely(__pyx_t_10 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1367; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
 
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1369
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1368
  *                 for k from e_gaps1[i+2*j] <= k < e_gaps1[i+(2*j)+1]:
  *                     indexes.append(k)
  *                     ephr_arr._append(self.eid2symid[self.eda.data.arr[e_sent_start+k]])             # <<<<<<<<<<<<<<
@@ -48932,14 +48961,14 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract_phrases(str
  *                     indexes.append(sym_setindex(self.category, e_gap_order[j]+1))
  */
         __pyx_t_4 = (__pyx_v_self->eda->data->arr[(__pyx_v_e_sent_start + __pyx_v_k)]);
-        __pyx_t_1 = __Pyx_GetItemInt(((PyObject *)__pyx_v_self->eid2symid), __pyx_t_4, sizeof(int), PyInt_FromLong); if (!__pyx_t_1) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1369; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_1 = __Pyx_GetItemInt(((PyObject *)__pyx_v_self->eid2symid), __pyx_t_4, sizeof(int), PyInt_FromLong); if (!__pyx_t_1) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1368; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_1);
-        __pyx_t_4 = __Pyx_PyInt_AsInt(__pyx_t_1); if (unlikely((__pyx_t_4 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1369; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_4 = __Pyx_PyInt_AsInt(__pyx_t_1); if (unlikely((__pyx_t_4 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1368; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
-        ((struct __pyx_vtabstruct_8_cdec_sa_IntList *)__pyx_v_ephr_arr->__pyx_vtab)->_append(__pyx_v_ephr_arr, __pyx_t_4);
+        ((struct __pyx_vtabstruct_3_sa_IntList *)__pyx_v_ephr_arr->__pyx_vtab)->_append(__pyx_v_ephr_arr, __pyx_t_4);
       }
 
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1370
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1369
  *                     indexes.append(k)
  *                     ephr_arr._append(self.eid2symid[self.eda.data.arr[e_sent_start+k]])
  *                 if j < num_gaps:             # <<<<<<<<<<<<<<
@@ -48949,32 +48978,32 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract_phrases(str
       __pyx_t_2 = (__pyx_v_j < __pyx_v_num_gaps);
       if (__pyx_t_2) {
 
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1371
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1370
  *                     ephr_arr._append(self.eid2symid[self.eda.data.arr[e_sent_start+k]])
  *                 if j < num_gaps:
  *                     indexes.append(sym_setindex(self.category, e_gap_order[j]+1))             # <<<<<<<<<<<<<<
  *                     ephr_arr._append(sym_setindex(self.category, e_gap_order[j]+1))
  *             i = i + step
  */
-        __pyx_t_1 = PyInt_FromLong(__pyx_f_8_cdec_sa_sym_setindex(__pyx_v_self->category, ((__pyx_v_e_gap_order[__pyx_v_j]) + 1))); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1371; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_1 = PyInt_FromLong(__pyx_f_3_sa_sym_setindex(__pyx_v_self->category, ((__pyx_v_e_gap_order[__pyx_v_j]) + 1))); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1370; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_1);
-        __pyx_t_10 = PyList_Append(__pyx_v_indexes, __pyx_t_1); if (unlikely(__pyx_t_10 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1371; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1372
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+        ((struct __pyx_vtabstruct_3_sa_IntList *)__pyx_v_ephr_arr->__pyx_vtab)->_append(__pyx_v_ephr_arr, __pyx_f_3_sa_sym_setindex(__pyx_v_self->category, ((__pyx_v_e_gap_order[__pyx_v_j]) + 1)));
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-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1373
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-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1374
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-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1375
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-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1377
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-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1378
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1377
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-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1379
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1378
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-  __Pyx_AddTraceback("_cdec_sa.HieroCachingRuleFactory.extract_phrases", __pyx_clineno, __pyx_lineno, __pyx_filename);
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 }
 
-/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1381
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-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1383
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-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1384
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1383
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-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1385
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-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1386
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+    __pyx_t_1 = PyObject_RichCompare(__pyx_v_s, __pyx_int_0, Py_LT); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1385; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1387
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-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1388
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-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1389
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-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1390
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-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1391
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+        __pyx_t_1 = PyObject_GetAttr(__pyx_v_eindexes, __pyx_n_s__index); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1390; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+        __pyx_t_5 = PyNumber_Add(__pyx_v_idx, __pyx_int_1); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1390; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+        __pyx_t_6 = __Pyx_PyIndex_AsSsize_t(__pyx_t_5); if (unlikely((__pyx_t_6 == (Py_ssize_t)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1390; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-        __pyx_t_5 = PyInt_FromLong((__pyx_v_sent_links[__pyx_t_6])); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1391; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_5 = PyInt_FromLong((__pyx_v_sent_links[__pyx_t_6])); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1390; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+        __pyx_t_7 = PyTuple_New(1); if (unlikely(!__pyx_t_7)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1390; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-        __pyx_t_5 = PyObject_Call(__pyx_t_1, ((PyObject *)__pyx_t_7), NULL); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1391; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_5 = PyObject_Call(__pyx_t_1, ((PyObject *)__pyx_t_7), NULL); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1390; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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@@ -49239,19 +49268,19 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_create_alignments(C
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         __pyx_t_5 = 0;
 
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1392
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1391
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+        __pyx_t_5 = PyInt_FromLong((__pyx_v_i * 65536)); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1391; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-        __pyx_t_7 = PyNumber_Add(__pyx_t_5, __pyx_v_j); if (unlikely(!__pyx_t_7)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1392; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_7 = PyNumber_Add(__pyx_t_5, __pyx_v_j); if (unlikely(!__pyx_t_7)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1391; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-        __pyx_t_5 = __Pyx_PyObject_Append(((PyObject *)__pyx_v_ret), __pyx_t_7); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1392; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_5 = __Pyx_PyObject_Append(((PyObject *)__pyx_v_ret), __pyx_t_7); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1391; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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@@ -49259,14 +49288,14 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_create_alignments(C
       }
       __pyx_L8:;
 
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1393
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1392
  *                     j = eindexes.index(sent_links[idx+1])
  *                     ret.append(i*65536+j)
  *                 idx += 2             # <<<<<<<<<<<<<<
  *         return ret
  * 
  */
-      __pyx_t_5 = PyNumber_InPlaceAdd(__pyx_v_idx, __pyx_int_2); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1393; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_5 = PyNumber_InPlaceAdd(__pyx_v_idx, __pyx_int_2); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1392; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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       __Pyx_DECREF(__pyx_v_idx);
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@@ -49275,7 +49304,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_create_alignments(C
     __pyx_L3_continue:;
   }
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1394
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1393
  *                     ret.append(i*65536+j)
  *                 idx += 2
  *         return ret             # <<<<<<<<<<<<<<
@@ -49293,7 +49322,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_create_alignments(C
   __Pyx_XDECREF(__pyx_t_1);
   __Pyx_XDECREF(__pyx_t_5);
   __Pyx_XDECREF(__pyx_t_7);
-  __Pyx_AddTraceback("_cdec_sa.HieroCachingRuleFactory.create_alignments", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_AddTraceback("_sa.HieroCachingRuleFactory.create_alignments", __pyx_clineno, __pyx_lineno, __pyx_filename);
   __pyx_r = 0;
   __pyx_L0:;
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@@ -49305,7 +49334,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_create_alignments(C
   return __pyx_r;
 }
 
-/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1396
+/* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1395
  *         return ret
  * 
  *     cdef extract(self, Phrase phrase, Matching* matching, int* chunklen, int num_chunks):             # <<<<<<<<<<<<<<
@@ -49313,7 +49342,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_create_alignments(C
  *         cdef int *f_gap_low, *f_gap_high, *e_gap_low, *e_gap_high, num_gaps, gap_start
  */
 
-static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *__pyx_v_self, struct __pyx_obj_8_cdec_sa_Phrase *__pyx_v_phrase, struct __pyx_t_8_cdec_sa_Matching *__pyx_v_matching, int *__pyx_v_chunklen, int __pyx_v_num_chunks) {
+static PyObject *__pyx_f_3_sa_23HieroCachingRuleFactory_extract(struct __pyx_obj_3_sa_HieroCachingRuleFactory *__pyx_v_self, struct __pyx_obj_3_sa_Phrase *__pyx_v_phrase, struct __pyx_t_3_sa_Matching *__pyx_v_matching, int *__pyx_v_chunklen, int __pyx_v_num_chunks) {
   int *__pyx_v_sent_links;
   int *__pyx_v_e_links_low;
   int *__pyx_v_e_links_high;
@@ -49354,8 +49383,8 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
   float __pyx_v_pair_count;
   PyObject *__pyx_v_extracts = 0;
   PyObject *__pyx_v_phrase_list = 0;
-  struct __pyx_obj_8_cdec_sa_IntList *__pyx_v_fphr_arr = 0;
-  struct __pyx_obj_8_cdec_sa_Phrase *__pyx_v_fphr = 0;
+  struct __pyx_obj_3_sa_IntList *__pyx_v_fphr_arr = 0;
+  struct __pyx_obj_3_sa_Phrase *__pyx_v_fphr = 0;
   CYTHON_UNUSED PyObject *__pyx_v_reason_for_failure = 0;
   PyObject *__pyx_v_sofar = NULL;
   PyObject *__pyx_v_als = NULL;
@@ -49399,19 +49428,19 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
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   __Pyx_RefNannySetupContext("extract", 0);
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1409
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1408
  *         cdef reason_for_failure
  * 
  *         fphr_arr = IntList()             # <<<<<<<<<<<<<<
  *         phrase_len = phrase.n
  *         extracts = []
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-  __pyx_t_1 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_8_cdec_sa_IntList)), ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1409; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_IntList)), ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1408; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_1);
-  __pyx_v_fphr_arr = ((struct __pyx_obj_8_cdec_sa_IntList *)__pyx_t_1);
+  __pyx_v_fphr_arr = ((struct __pyx_obj_3_sa_IntList *)__pyx_t_1);
   __pyx_t_1 = 0;
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1410
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1409
  * 
  *         fphr_arr = IntList()
  *         phrase_len = phrase.n             # <<<<<<<<<<<<<<
@@ -49420,28 +49449,28 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
  */
   __pyx_v_phrase_len = __pyx_v_phrase->n;
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1411
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1410
  *         fphr_arr = IntList()
  *         phrase_len = phrase.n
  *         extracts = []             # <<<<<<<<<<<<<<
  *         sent_links = self.alignment._get_sent_links(matching.sent_id, &num_links)
  * 
  */
-  __pyx_t_1 = PyList_New(0); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1411; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = PyList_New(0); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1410; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_1);
   __pyx_v_extracts = ((PyObject *)__pyx_t_1);
   __pyx_t_1 = 0;
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1412
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1411
  *         phrase_len = phrase.n
  *         extracts = []
  *         sent_links = self.alignment._get_sent_links(matching.sent_id, &num_links)             # <<<<<<<<<<<<<<
  * 
  *         e_sent_start = self.eda.sent_index.arr[matching.sent_id]
  */
-  __pyx_v_sent_links = ((struct __pyx_vtabstruct_8_cdec_sa_Alignment *)__pyx_v_self->alignment->__pyx_vtab)->_get_sent_links(__pyx_v_self->alignment, __pyx_v_matching->sent_id, (&__pyx_v_num_links));
+  __pyx_v_sent_links = ((struct __pyx_vtabstruct_3_sa_Alignment *)__pyx_v_self->alignment->__pyx_vtab)->_get_sent_links(__pyx_v_self->alignment, __pyx_v_matching->sent_id, (&__pyx_v_num_links));
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1414
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1413
  *         sent_links = self.alignment._get_sent_links(matching.sent_id, &num_links)
  * 
  *         e_sent_start = self.eda.sent_index.arr[matching.sent_id]             # <<<<<<<<<<<<<<
@@ -49450,7 +49479,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
  */
   __pyx_v_e_sent_start = (__pyx_v_self->eda->sent_index->arr[__pyx_v_matching->sent_id]);
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1415
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1414
  * 
  *         e_sent_start = self.eda.sent_index.arr[matching.sent_id]
  *         e_sent_end = self.eda.sent_index.arr[matching.sent_id+1]             # <<<<<<<<<<<<<<
@@ -49459,7 +49488,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
  */
   __pyx_v_e_sent_end = (__pyx_v_self->eda->sent_index->arr[(__pyx_v_matching->sent_id + 1)]);
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1416
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1415
  *         e_sent_start = self.eda.sent_index.arr[matching.sent_id]
  *         e_sent_end = self.eda.sent_index.arr[matching.sent_id+1]
  *         e_sent_len = e_sent_end - e_sent_start - 1             # <<<<<<<<<<<<<<
@@ -49468,7 +49497,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
  */
   __pyx_v_e_sent_len = ((__pyx_v_e_sent_end - __pyx_v_e_sent_start) - 1);
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1417
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1416
  *         e_sent_end = self.eda.sent_index.arr[matching.sent_id+1]
  *         e_sent_len = e_sent_end - e_sent_start - 1
  *         f_sent_start = self.fda.sent_index.arr[matching.sent_id]             # <<<<<<<<<<<<<<
@@ -49477,7 +49506,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
  */
   __pyx_v_f_sent_start = (__pyx_v_self->fda->sent_index->arr[__pyx_v_matching->sent_id]);
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1418
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1417
  *         e_sent_len = e_sent_end - e_sent_start - 1
  *         f_sent_start = self.fda.sent_index.arr[matching.sent_id]
  *         f_sent_end = self.fda.sent_index.arr[matching.sent_id+1]             # <<<<<<<<<<<<<<
@@ -49486,7 +49515,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
  */
   __pyx_v_f_sent_end = (__pyx_v_self->fda->sent_index->arr[(__pyx_v_matching->sent_id + 1)]);
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1419
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1418
  *         f_sent_start = self.fda.sent_index.arr[matching.sent_id]
  *         f_sent_end = self.fda.sent_index.arr[matching.sent_id+1]
  *         f_sent_len = f_sent_end - f_sent_start - 1             # <<<<<<<<<<<<<<
@@ -49495,21 +49524,21 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
  */
   __pyx_v_f_sent_len = ((__pyx_v_f_sent_end - __pyx_v_f_sent_start) - 1);
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1421
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1420
  *         f_sent_len = f_sent_end - f_sent_start - 1
  * 
  *         self.findexes1.reset()             # <<<<<<<<<<<<<<
  *         sofar = 0
  *         for i in range(num_chunks):
  */
-  __pyx_t_1 = PyObject_GetAttr(((PyObject *)__pyx_v_self->findexes1), __pyx_n_s__reset); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1421; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = PyObject_GetAttr(((PyObject *)__pyx_v_self->findexes1), __pyx_n_s__reset); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1420; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_1);
-  __pyx_t_2 = PyObject_Call(__pyx_t_1, ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1421; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_2 = PyObject_Call(__pyx_t_1, ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1420; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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   __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
   __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1422
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1421
  * 
  *         self.findexes1.reset()
  *         sofar = 0             # <<<<<<<<<<<<<<
@@ -49519,7 +49548,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
   __Pyx_INCREF(__pyx_int_0);
   __pyx_v_sofar = __pyx_int_0;
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1423
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1422
  *         self.findexes1.reset()
  *         sofar = 0
  *         for i in range(num_chunks):             # <<<<<<<<<<<<<<
@@ -49530,7 +49559,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
   for (__pyx_t_4 = 0; __pyx_t_4 < __pyx_t_3; __pyx_t_4+=1) {
     __pyx_v_i = __pyx_t_4;
 
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1424
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1423
  *         sofar = 0
  *         for i in range(num_chunks):
  *             for j in range(chunklen[i]):             # <<<<<<<<<<<<<<
@@ -49541,35 +49570,35 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
     for (__pyx_t_6 = 0; __pyx_t_6 < __pyx_t_5; __pyx_t_6+=1) {
       __pyx_v_j = __pyx_t_6;
 
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1425
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1424
  *         for i in range(num_chunks):
  *             for j in range(chunklen[i]):
  *                 self.findexes1.append(matching.arr[matching.start+i]+j-f_sent_start);             # <<<<<<<<<<<<<<
  *                 sofar += 1
  *             if (i+1<num_chunks):
  */
-      __pyx_t_2 = PyInt_FromLong((((__pyx_v_matching->arr[(__pyx_v_matching->start + __pyx_v_i)]) + __pyx_v_j) - __pyx_v_f_sent_start)); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1425; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_2 = PyInt_FromLong((((__pyx_v_matching->arr[(__pyx_v_matching->start + __pyx_v_i)]) + __pyx_v_j) - __pyx_v_f_sent_start)); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1424; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_2);
-      __pyx_t_1 = __Pyx_PyObject_Append(((PyObject *)__pyx_v_self->findexes1), __pyx_t_2); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1425; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_1 = __Pyx_PyObject_Append(((PyObject *)__pyx_v_self->findexes1), __pyx_t_2); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1424; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_1);
       __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
       __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
 
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1426
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1425
  *             for j in range(chunklen[i]):
  *                 self.findexes1.append(matching.arr[matching.start+i]+j-f_sent_start);
  *                 sofar += 1             # <<<<<<<<<<<<<<
  *             if (i+1<num_chunks):
  *                 self.findexes1.append(phrase[sofar])
  */
-      __pyx_t_1 = PyNumber_InPlaceAdd(__pyx_v_sofar, __pyx_int_1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1426; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_1 = PyNumber_InPlaceAdd(__pyx_v_sofar, __pyx_int_1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1425; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_1);
       __Pyx_DECREF(__pyx_v_sofar);
       __pyx_v_sofar = __pyx_t_1;
       __pyx_t_1 = 0;
     }
 
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1427
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1426
  *                 self.findexes1.append(matching.arr[matching.start+i]+j-f_sent_start);
  *                 sofar += 1
  *             if (i+1<num_chunks):             # <<<<<<<<<<<<<<
@@ -49579,28 +49608,28 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
     __pyx_t_7 = ((__pyx_v_i + 1) < __pyx_v_num_chunks);
     if (__pyx_t_7) {
 
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1428
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1427
  *                 sofar += 1
  *             if (i+1<num_chunks):
  *                 self.findexes1.append(phrase[sofar])             # <<<<<<<<<<<<<<
  *                 sofar += 1
  * 
  */
-      __pyx_t_1 = PyObject_GetItem(((PyObject *)__pyx_v_phrase), __pyx_v_sofar); if (!__pyx_t_1) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1428; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_1 = PyObject_GetItem(((PyObject *)__pyx_v_phrase), __pyx_v_sofar); if (!__pyx_t_1) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1427; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_1);
-      __pyx_t_2 = __Pyx_PyObject_Append(((PyObject *)__pyx_v_self->findexes1), __pyx_t_1); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1428; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_2 = __Pyx_PyObject_Append(((PyObject *)__pyx_v_self->findexes1), __pyx_t_1); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1427; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_2);
       __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
       __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
 
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1429
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1428
  *             if (i+1<num_chunks):
  *                 self.findexes1.append(phrase[sofar])
  *                 sofar += 1             # <<<<<<<<<<<<<<
  * 
  * 
  */
-      __pyx_t_2 = PyNumber_InPlaceAdd(__pyx_v_sofar, __pyx_int_1); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1429; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_2 = PyNumber_InPlaceAdd(__pyx_v_sofar, __pyx_int_1); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1428; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_2);
       __Pyx_DECREF(__pyx_v_sofar);
       __pyx_v_sofar = __pyx_t_2;
@@ -49610,7 +49639,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
     __pyx_L7:;
   }
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1432
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1431
  * 
  * 
  *         e_links_low = <int*> malloc(e_sent_len*sizeof(int))             # <<<<<<<<<<<<<<
@@ -49619,7 +49648,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
  */
   __pyx_v_e_links_low = ((int *)malloc((__pyx_v_e_sent_len * (sizeof(int)))));
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1433
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1432
  * 
  *         e_links_low = <int*> malloc(e_sent_len*sizeof(int))
  *         e_links_high = <int*> malloc(e_sent_len*sizeof(int))             # <<<<<<<<<<<<<<
@@ -49628,7 +49657,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
  */
   __pyx_v_e_links_high = ((int *)malloc((__pyx_v_e_sent_len * (sizeof(int)))));
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1434
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1433
  *         e_links_low = <int*> malloc(e_sent_len*sizeof(int))
  *         e_links_high = <int*> malloc(e_sent_len*sizeof(int))
  *         f_links_low = <int*> malloc(f_sent_len*sizeof(int))             # <<<<<<<<<<<<<<
@@ -49637,7 +49666,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
  */
   __pyx_v_f_links_low = ((int *)malloc((__pyx_v_f_sent_len * (sizeof(int)))));
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1435
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1434
  *         e_links_high = <int*> malloc(e_sent_len*sizeof(int))
  *         f_links_low = <int*> malloc(f_sent_len*sizeof(int))
  *         f_links_high = <int*> malloc(f_sent_len*sizeof(int))             # <<<<<<<<<<<<<<
@@ -49646,7 +49675,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
  */
   __pyx_v_f_links_high = ((int *)malloc((__pyx_v_f_sent_len * (sizeof(int)))));
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1436
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1435
  *         f_links_low = <int*> malloc(f_sent_len*sizeof(int))
  *         f_links_high = <int*> malloc(f_sent_len*sizeof(int))
  *         f_gap_low = <int*> malloc((num_chunks+1)*sizeof(int))             # <<<<<<<<<<<<<<
@@ -49655,7 +49684,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
  */
   __pyx_v_f_gap_low = ((int *)malloc(((__pyx_v_num_chunks + 1) * (sizeof(int)))));
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1437
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1436
  *         f_links_high = <int*> malloc(f_sent_len*sizeof(int))
  *         f_gap_low = <int*> malloc((num_chunks+1)*sizeof(int))
  *         f_gap_high = <int*> malloc((num_chunks+1)*sizeof(int))             # <<<<<<<<<<<<<<
@@ -49664,7 +49693,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
  */
   __pyx_v_f_gap_high = ((int *)malloc(((__pyx_v_num_chunks + 1) * (sizeof(int)))));
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1438
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1437
  *         f_gap_low = <int*> malloc((num_chunks+1)*sizeof(int))
  *         f_gap_high = <int*> malloc((num_chunks+1)*sizeof(int))
  *         e_gap_low = <int*> malloc((num_chunks+1)*sizeof(int))             # <<<<<<<<<<<<<<
@@ -49673,7 +49702,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
  */
   __pyx_v_e_gap_low = ((int *)malloc(((__pyx_v_num_chunks + 1) * (sizeof(int)))));
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1439
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1438
  *         f_gap_high = <int*> malloc((num_chunks+1)*sizeof(int))
  *         e_gap_low = <int*> malloc((num_chunks+1)*sizeof(int))
  *         e_gap_high = <int*> malloc((num_chunks+1)*sizeof(int))             # <<<<<<<<<<<<<<
@@ -49682,7 +49711,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
  */
   __pyx_v_e_gap_high = ((int *)malloc(((__pyx_v_num_chunks + 1) * (sizeof(int)))));
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1440
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1439
  *         e_gap_low = <int*> malloc((num_chunks+1)*sizeof(int))
  *         e_gap_high = <int*> malloc((num_chunks+1)*sizeof(int))
  *         memset(f_gap_low, 0, (num_chunks+1)*sizeof(int))             # <<<<<<<<<<<<<<
@@ -49691,7 +49720,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
  */
   memset(__pyx_v_f_gap_low, 0, ((__pyx_v_num_chunks + 1) * (sizeof(int))));
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1441
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1440
  *         e_gap_high = <int*> malloc((num_chunks+1)*sizeof(int))
  *         memset(f_gap_low, 0, (num_chunks+1)*sizeof(int))
  *         memset(f_gap_high, 0, (num_chunks+1)*sizeof(int))             # <<<<<<<<<<<<<<
@@ -49700,7 +49729,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
  */
   memset(__pyx_v_f_gap_high, 0, ((__pyx_v_num_chunks + 1) * (sizeof(int))));
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1442
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1441
  *         memset(f_gap_low, 0, (num_chunks+1)*sizeof(int))
  *         memset(f_gap_high, 0, (num_chunks+1)*sizeof(int))
  *         memset(e_gap_low, 0, (num_chunks+1)*sizeof(int))             # <<<<<<<<<<<<<<
@@ -49709,7 +49738,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
  */
   memset(__pyx_v_e_gap_low, 0, ((__pyx_v_num_chunks + 1) * (sizeof(int))));
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1443
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1442
  *         memset(f_gap_high, 0, (num_chunks+1)*sizeof(int))
  *         memset(e_gap_low, 0, (num_chunks+1)*sizeof(int))
  *         memset(e_gap_high, 0, (num_chunks+1)*sizeof(int))             # <<<<<<<<<<<<<<
@@ -49718,7 +49747,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
  */
   memset(__pyx_v_e_gap_high, 0, ((__pyx_v_num_chunks + 1) * (sizeof(int))));
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1445
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1444
  *         memset(e_gap_high, 0, (num_chunks+1)*sizeof(int))
  * 
  *         reason_for_failure = ""             # <<<<<<<<<<<<<<
@@ -49728,7 +49757,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
   __Pyx_INCREF(((PyObject *)__pyx_kp_s_42));
   __pyx_v_reason_for_failure = ((PyObject *)__pyx_kp_s_42);
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1447
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1446
  *         reason_for_failure = ""
  * 
  *         for i from 0 <= i < e_sent_len:             # <<<<<<<<<<<<<<
@@ -49738,7 +49767,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
   __pyx_t_3 = __pyx_v_e_sent_len;
   for (__pyx_v_i = 0; __pyx_v_i < __pyx_t_3; __pyx_v_i++) {
 
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1448
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1447
  * 
  *         for i from 0 <= i < e_sent_len:
  *             e_links_low[i] = -1             # <<<<<<<<<<<<<<
@@ -49747,7 +49776,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
  */
     (__pyx_v_e_links_low[__pyx_v_i]) = -1;
 
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1449
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1448
  *         for i from 0 <= i < e_sent_len:
  *             e_links_low[i] = -1
  *             e_links_high[i] = -1             # <<<<<<<<<<<<<<
@@ -49757,7 +49786,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
     (__pyx_v_e_links_high[__pyx_v_i]) = -1;
   }
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1450
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1449
  *             e_links_low[i] = -1
  *             e_links_high[i] = -1
  *         for i from 0 <= i < f_sent_len:             # <<<<<<<<<<<<<<
@@ -49767,7 +49796,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
   __pyx_t_3 = __pyx_v_f_sent_len;
   for (__pyx_v_i = 0; __pyx_v_i < __pyx_t_3; __pyx_v_i++) {
 
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1451
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1450
  *             e_links_high[i] = -1
  *         for i from 0 <= i < f_sent_len:
  *             f_links_low[i] = -1             # <<<<<<<<<<<<<<
@@ -49776,7 +49805,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
  */
     (__pyx_v_f_links_low[__pyx_v_i]) = -1;
 
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1452
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1451
  *         for i from 0 <= i < f_sent_len:
  *             f_links_low[i] = -1
  *             f_links_high[i] = -1             # <<<<<<<<<<<<<<
@@ -49786,7 +49815,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
     (__pyx_v_f_links_high[__pyx_v_i]) = -1;
   }
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1458
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1457
  *         # links that we care about (but then how to look up
  *         # when we want to check something on the e side?)
  *         i = 0             # <<<<<<<<<<<<<<
@@ -49795,7 +49824,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
  */
   __pyx_v_i = 0;
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1459
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1458
  *         # when we want to check something on the e side?)
  *         i = 0
  *         while i < num_links*2:             # <<<<<<<<<<<<<<
@@ -49806,7 +49835,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
     __pyx_t_7 = (__pyx_v_i < (__pyx_v_num_links * 2));
     if (!__pyx_t_7) break;
 
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1460
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1459
  *         i = 0
  *         while i < num_links*2:
  *             f_i = sent_links[i]             # <<<<<<<<<<<<<<
@@ -49815,7 +49844,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
  */
     __pyx_v_f_i = (__pyx_v_sent_links[__pyx_v_i]);
 
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1461
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1460
  *         while i < num_links*2:
  *             f_i = sent_links[i]
  *             e_i = sent_links[i+1]             # <<<<<<<<<<<<<<
@@ -49824,7 +49853,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
  */
     __pyx_v_e_i = (__pyx_v_sent_links[(__pyx_v_i + 1)]);
 
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1462
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1461
  *             f_i = sent_links[i]
  *             e_i = sent_links[i+1]
  *             if f_links_low[f_i] == -1 or f_links_low[f_i] > e_i:             # <<<<<<<<<<<<<<
@@ -49840,7 +49869,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
     }
     if (__pyx_t_9) {
 
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1463
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1462
  *             e_i = sent_links[i+1]
  *             if f_links_low[f_i] == -1 or f_links_low[f_i] > e_i:
  *                 f_links_low[f_i] = e_i             # <<<<<<<<<<<<<<
@@ -49852,7 +49881,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
     }
     __pyx_L14:;
 
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1464
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1463
  *             if f_links_low[f_i] == -1 or f_links_low[f_i] > e_i:
  *                 f_links_low[f_i] = e_i
  *             if f_links_high[f_i] == -1 or f_links_high[f_i] < e_i + 1:             # <<<<<<<<<<<<<<
@@ -49868,7 +49897,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
     }
     if (__pyx_t_8) {
 
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1465
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1464
  *                 f_links_low[f_i] = e_i
  *             if f_links_high[f_i] == -1 or f_links_high[f_i] < e_i + 1:
  *                 f_links_high[f_i] = e_i + 1             # <<<<<<<<<<<<<<
@@ -49880,7 +49909,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
     }
     __pyx_L15:;
 
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1466
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1465
  *             if f_links_high[f_i] == -1 or f_links_high[f_i] < e_i + 1:
  *                 f_links_high[f_i] = e_i + 1
  *             if e_links_low[e_i] == -1 or e_links_low[e_i] > f_i:             # <<<<<<<<<<<<<<
@@ -49896,7 +49925,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
     }
     if (__pyx_t_7) {
 
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1467
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1466
  *                 f_links_high[f_i] = e_i + 1
  *             if e_links_low[e_i] == -1 or e_links_low[e_i] > f_i:
  *                 e_links_low[e_i] = f_i             # <<<<<<<<<<<<<<
@@ -49908,7 +49937,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
     }
     __pyx_L16:;
 
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1468
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1467
  *             if e_links_low[e_i] == -1 or e_links_low[e_i] > f_i:
  *                 e_links_low[e_i] = f_i
  *             if e_links_high[e_i] == -1 or e_links_high[e_i] < f_i + 1:             # <<<<<<<<<<<<<<
@@ -49924,7 +49953,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
     }
     if (__pyx_t_9) {
 
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1469
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1468
  *                 e_links_low[e_i] = f_i
  *             if e_links_high[e_i] == -1 or e_links_high[e_i] < f_i + 1:
  *                 e_links_high[e_i] = f_i + 1             # <<<<<<<<<<<<<<
@@ -49936,7 +49965,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
     }
     __pyx_L17:;
 
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1470
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1469
  *             if e_links_high[e_i] == -1 or e_links_high[e_i] < f_i + 1:
  *                 e_links_high[e_i] = f_i + 1
  *             i = i + 2             # <<<<<<<<<<<<<<
@@ -49946,19 +49975,19 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
     __pyx_v_i = (__pyx_v_i + 2);
   }
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1472
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1471
  *             i = i + 2
  * 
  *         als = []             # <<<<<<<<<<<<<<
  *         for x in range(matching.start,matching.end):
  *             al = (matching.arr[x]-f_sent_start,f_links_low[matching.arr[x]-f_sent_start])
  */
-  __pyx_t_2 = PyList_New(0); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1472; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_2 = PyList_New(0); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1471; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_2);
   __pyx_v_als = __pyx_t_2;
   __pyx_t_2 = 0;
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1473
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1472
  * 
  *         als = []
  *         for x in range(matching.start,matching.end):             # <<<<<<<<<<<<<<
@@ -49969,18 +49998,18 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
   for (__pyx_t_4 = __pyx_v_matching->start; __pyx_t_4 < __pyx_t_3; __pyx_t_4+=1) {
     __pyx_v_x = __pyx_t_4;
 
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1474
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1473
  *         als = []
  *         for x in range(matching.start,matching.end):
  *             al = (matching.arr[x]-f_sent_start,f_links_low[matching.arr[x]-f_sent_start])             # <<<<<<<<<<<<<<
  *             als.append(al)
  *         # check all source-side alignment constraints
  */
-    __pyx_t_2 = PyInt_FromLong(((__pyx_v_matching->arr[__pyx_v_x]) - __pyx_v_f_sent_start)); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1474; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_2 = PyInt_FromLong(((__pyx_v_matching->arr[__pyx_v_x]) - __pyx_v_f_sent_start)); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1473; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_2);
-    __pyx_t_1 = PyInt_FromLong((__pyx_v_f_links_low[((__pyx_v_matching->arr[__pyx_v_x]) - __pyx_v_f_sent_start)])); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1474; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_1 = PyInt_FromLong((__pyx_v_f_links_low[((__pyx_v_matching->arr[__pyx_v_x]) - __pyx_v_f_sent_start)])); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1473; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_1);
-    __pyx_t_10 = PyTuple_New(2); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1474; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_10 = PyTuple_New(2); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1473; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_10);
     PyTuple_SET_ITEM(__pyx_t_10, 0, __pyx_t_2);
     __Pyx_GIVEREF(__pyx_t_2);
@@ -49992,17 +50021,17 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
     __pyx_v_al = __pyx_t_10;
     __pyx_t_10 = 0;
 
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1475
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1474
  *         for x in range(matching.start,matching.end):
  *             al = (matching.arr[x]-f_sent_start,f_links_low[matching.arr[x]-f_sent_start])
  *             als.append(al)             # <<<<<<<<<<<<<<
  *         # check all source-side alignment constraints
  *         met_constraints = 1
  */
-    __pyx_t_11 = PyList_Append(__pyx_v_als, ((PyObject *)__pyx_v_al)); if (unlikely(__pyx_t_11 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1475; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_11 = PyList_Append(__pyx_v_als, ((PyObject *)__pyx_v_al)); if (unlikely(__pyx_t_11 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1474; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   }
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1477
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1476
  *             als.append(al)
  *         # check all source-side alignment constraints
  *         met_constraints = 1             # <<<<<<<<<<<<<<
@@ -50011,7 +50040,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
  */
   __pyx_v_met_constraints = 1;
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1478
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1477
  *         # check all source-side alignment constraints
  *         met_constraints = 1
  *         if self.require_aligned_terminal:             # <<<<<<<<<<<<<<
@@ -50020,7 +50049,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
  */
   if (__pyx_v_self->require_aligned_terminal) {
 
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1479
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1478
  *         met_constraints = 1
  *         if self.require_aligned_terminal:
  *             num_aligned_chunks = 0             # <<<<<<<<<<<<<<
@@ -50029,7 +50058,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
  */
     __pyx_v_num_aligned_chunks = 0;
 
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1480
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1479
  *         if self.require_aligned_terminal:
  *             num_aligned_chunks = 0
  *             for i from 0 <= i < num_chunks:             # <<<<<<<<<<<<<<
@@ -50039,7 +50068,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
     __pyx_t_3 = __pyx_v_num_chunks;
     for (__pyx_v_i = 0; __pyx_v_i < __pyx_t_3; __pyx_v_i++) {
 
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1481
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1480
  *             num_aligned_chunks = 0
  *             for i from 0 <= i < num_chunks:
  *                 for j from 0 <= j < chunklen[i]:             # <<<<<<<<<<<<<<
@@ -50049,7 +50078,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
       __pyx_t_4 = (__pyx_v_chunklen[__pyx_v_i]);
       for (__pyx_v_j = 0; __pyx_v_j < __pyx_t_4; __pyx_v_j++) {
 
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1482
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1481
  *             for i from 0 <= i < num_chunks:
  *                 for j from 0 <= j < chunklen[i]:
  *                     if f_links_low[matching.arr[matching.start+i]+j-f_sent_start] > -1:             # <<<<<<<<<<<<<<
@@ -50059,7 +50088,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
         __pyx_t_9 = ((__pyx_v_f_links_low[(((__pyx_v_matching->arr[(__pyx_v_matching->start + __pyx_v_i)]) + __pyx_v_j) - __pyx_v_f_sent_start)]) > -1);
         if (__pyx_t_9) {
 
-          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1483
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1482
  *                 for j from 0 <= j < chunklen[i]:
  *                     if f_links_low[matching.arr[matching.start+i]+j-f_sent_start] > -1:
  *                         num_aligned_chunks = num_aligned_chunks + 1             # <<<<<<<<<<<<<<
@@ -50068,7 +50097,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
  */
           __pyx_v_num_aligned_chunks = (__pyx_v_num_aligned_chunks + 1);
 
-          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1484
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1483
  *                     if f_links_low[matching.arr[matching.start+i]+j-f_sent_start] > -1:
  *                         num_aligned_chunks = num_aligned_chunks + 1
  *                         break             # <<<<<<<<<<<<<<
@@ -50083,7 +50112,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
       __pyx_L24_break:;
     }
 
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1485
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1484
  *                         num_aligned_chunks = num_aligned_chunks + 1
  *                         break
  *             if num_aligned_chunks == 0:             # <<<<<<<<<<<<<<
@@ -50093,7 +50122,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
     __pyx_t_9 = (__pyx_v_num_aligned_chunks == 0);
     if (__pyx_t_9) {
 
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1486
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1485
  *                         break
  *             if num_aligned_chunks == 0:
  *                 reason_for_failure = "No aligned terminals"             # <<<<<<<<<<<<<<
@@ -50104,7 +50133,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
       __Pyx_DECREF(__pyx_v_reason_for_failure);
       __pyx_v_reason_for_failure = ((PyObject *)__pyx_kp_s_124);
 
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1487
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1486
  *             if num_aligned_chunks == 0:
  *                 reason_for_failure = "No aligned terminals"
  *                 met_constraints = 0             # <<<<<<<<<<<<<<
@@ -50116,7 +50145,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
     }
     __pyx_L26:;
 
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1488
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1487
  *                 reason_for_failure = "No aligned terminals"
  *                 met_constraints = 0
  *             if self.require_aligned_chunks and num_aligned_chunks < num_chunks:             # <<<<<<<<<<<<<<
@@ -50131,7 +50160,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
     }
     if (__pyx_t_7) {
 
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1489
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1488
  *                 met_constraints = 0
  *             if self.require_aligned_chunks and num_aligned_chunks < num_chunks:
  *                 reason_for_failure = "Unaligned chunk"             # <<<<<<<<<<<<<<
@@ -50142,7 +50171,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
       __Pyx_DECREF(__pyx_v_reason_for_failure);
       __pyx_v_reason_for_failure = ((PyObject *)__pyx_kp_s_125);
 
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1490
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1489
  *             if self.require_aligned_chunks and num_aligned_chunks < num_chunks:
  *                 reason_for_failure = "Unaligned chunk"
  *                 met_constraints = 0             # <<<<<<<<<<<<<<
@@ -50157,7 +50186,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
   }
   __pyx_L20:;
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1492
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1491
  *                 met_constraints = 0
  * 
  *         if met_constraints and self.tight_phrases:             # <<<<<<<<<<<<<<
@@ -50171,7 +50200,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
   }
   if (__pyx_t_7) {
 
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1494
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1493
  *         if met_constraints and self.tight_phrases:
  *             # outside edge constraints are checked later
  *             for i from 0 <= i < num_chunks-1:             # <<<<<<<<<<<<<<
@@ -50181,7 +50210,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
     __pyx_t_12 = (__pyx_v_num_chunks - 1);
     for (__pyx_v_i = 0; __pyx_v_i < __pyx_t_12; __pyx_v_i++) {
 
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1495
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1494
  *             # outside edge constraints are checked later
  *             for i from 0 <= i < num_chunks-1:
  *                 if f_links_low[matching.arr[matching.start+i]+chunklen[i]-f_sent_start] == -1:             # <<<<<<<<<<<<<<
@@ -50191,7 +50220,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
       __pyx_t_7 = ((__pyx_v_f_links_low[(((__pyx_v_matching->arr[(__pyx_v_matching->start + __pyx_v_i)]) + (__pyx_v_chunklen[__pyx_v_i])) - __pyx_v_f_sent_start)]) == -1);
       if (__pyx_t_7) {
 
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1496
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1495
  *             for i from 0 <= i < num_chunks-1:
  *                 if f_links_low[matching.arr[matching.start+i]+chunklen[i]-f_sent_start] == -1:
  *                     reason_for_failure = "Gaps are not tight phrases"             # <<<<<<<<<<<<<<
@@ -50202,7 +50231,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
         __Pyx_DECREF(__pyx_v_reason_for_failure);
         __pyx_v_reason_for_failure = ((PyObject *)__pyx_kp_s_126);
 
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1497
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1496
  *                 if f_links_low[matching.arr[matching.start+i]+chunklen[i]-f_sent_start] == -1:
  *                     reason_for_failure = "Gaps are not tight phrases"
  *                     met_constraints = 0             # <<<<<<<<<<<<<<
@@ -50211,7 +50240,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
  */
         __pyx_v_met_constraints = 0;
 
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1498
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1497
  *                     reason_for_failure = "Gaps are not tight phrases"
  *                     met_constraints = 0
  *                     break             # <<<<<<<<<<<<<<
@@ -50223,7 +50252,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
       }
       __pyx_L31:;
 
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1499
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1498
  *                     met_constraints = 0
  *                     break
  *                 if f_links_low[matching.arr[matching.start+i+1]-1-f_sent_start] == -1:             # <<<<<<<<<<<<<<
@@ -50233,7 +50262,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
       __pyx_t_7 = ((__pyx_v_f_links_low[(((__pyx_v_matching->arr[((__pyx_v_matching->start + __pyx_v_i) + 1)]) - 1) - __pyx_v_f_sent_start)]) == -1);
       if (__pyx_t_7) {
 
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1500
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1499
  *                     break
  *                 if f_links_low[matching.arr[matching.start+i+1]-1-f_sent_start] == -1:
  *                     reason_for_failure = "Gaps are not tight phrases"             # <<<<<<<<<<<<<<
@@ -50244,7 +50273,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
         __Pyx_DECREF(__pyx_v_reason_for_failure);
         __pyx_v_reason_for_failure = ((PyObject *)__pyx_kp_s_126);
 
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1501
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1500
  *                 if f_links_low[matching.arr[matching.start+i+1]-1-f_sent_start] == -1:
  *                     reason_for_failure = "Gaps are not tight phrases"
  *                     met_constraints = 0             # <<<<<<<<<<<<<<
@@ -50253,7 +50282,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
  */
         __pyx_v_met_constraints = 0;
 
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1502
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1501
  *                     reason_for_failure = "Gaps are not tight phrases"
  *                     met_constraints = 0
  *                     break             # <<<<<<<<<<<<<<
@@ -50270,7 +50299,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
   }
   __pyx_L28:;
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1504
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1503
  *                     break
  * 
  *         f_low = matching.arr[matching.start] - f_sent_start             # <<<<<<<<<<<<<<
@@ -50279,7 +50308,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
  */
   __pyx_v_f_low = ((__pyx_v_matching->arr[__pyx_v_matching->start]) - __pyx_v_f_sent_start);
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1505
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1504
  * 
  *         f_low = matching.arr[matching.start] - f_sent_start
  *         f_high = matching.arr[matching.start + matching.size - 1] + chunklen[num_chunks-1] - f_sent_start             # <<<<<<<<<<<<<<
@@ -50288,7 +50317,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
  */
   __pyx_v_f_high = (((__pyx_v_matching->arr[((__pyx_v_matching->start + __pyx_v_matching->size) - 1)]) + (__pyx_v_chunklen[(__pyx_v_num_chunks - 1)])) - __pyx_v_f_sent_start);
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1506
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1505
  *         f_low = matching.arr[matching.start] - f_sent_start
  *         f_high = matching.arr[matching.start + matching.size - 1] + chunklen[num_chunks-1] - f_sent_start
  *         if met_constraints:             # <<<<<<<<<<<<<<
@@ -50297,28 +50326,28 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
  */
   if (__pyx_v_met_constraints) {
 
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1508
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1507
  *         if met_constraints:
  * 
  *             if self.find_fixpoint(f_low, f_high, f_links_low, f_links_high, e_links_low, e_links_high,             # <<<<<<<<<<<<<<
  *                                 -1, -1, &e_low, &e_high, &f_back_low, &f_back_high, f_sent_len, e_sent_len,
  *                                 self.train_max_initial_size, self.train_max_initial_size,
  */
-    __pyx_t_10 = PyInt_FromLong(__pyx_v_f_high); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1508; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_10 = PyInt_FromLong(__pyx_v_f_high); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1507; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_10);
 
-    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1512
+    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1511
  *                                 self.train_max_initial_size, self.train_max_initial_size,
  *                                 self.train_min_gap_size, 0,
  *                                 self.max_nonterminals - num_chunks + 1, 1, 1, 0, 0):             # <<<<<<<<<<<<<<
  *                 gap_error = 0
  *                 num_gaps = 0
  */
-    __pyx_t_3 = ((struct __pyx_vtabstruct_8_cdec_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->find_fixpoint(__pyx_v_self, __pyx_v_f_low, __pyx_t_10, __pyx_v_f_links_low, __pyx_v_f_links_high, __pyx_v_e_links_low, __pyx_v_e_links_high, -1, -1, (&__pyx_v_e_low), (&__pyx_v_e_high), (&__pyx_v_f_back_low), (&__pyx_v_f_back_high), __pyx_v_f_sent_len, __pyx_v_e_sent_len, __pyx_v_self->train_max_initial_size, __pyx_v_self->train_max_initial_size, __pyx_v_self->train_min_gap_size, 0, ((__pyx_v_self->max_nonterminals - __pyx_v_num_chunks) + 1), 1, 1, 0, 0);
+    __pyx_t_3 = ((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->find_fixpoint(__pyx_v_self, __pyx_v_f_low, __pyx_t_10, __pyx_v_f_links_low, __pyx_v_f_links_high, __pyx_v_e_links_low, __pyx_v_e_links_high, -1, -1, (&__pyx_v_e_low), (&__pyx_v_e_high), (&__pyx_v_f_back_low), (&__pyx_v_f_back_high), __pyx_v_f_sent_len, __pyx_v_e_sent_len, __pyx_v_self->train_max_initial_size, __pyx_v_self->train_max_initial_size, __pyx_v_self->train_min_gap_size, 0, ((__pyx_v_self->max_nonterminals - __pyx_v_num_chunks) + 1), 1, 1, 0, 0);
     __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
     if (__pyx_t_3) {
 
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1513
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1512
  *                                 self.train_min_gap_size, 0,
  *                                 self.max_nonterminals - num_chunks + 1, 1, 1, 0, 0):
  *                 gap_error = 0             # <<<<<<<<<<<<<<
@@ -50327,7 +50356,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
  */
       __pyx_v_gap_error = 0;
 
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1514
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1513
  *                                 self.max_nonterminals - num_chunks + 1, 1, 1, 0, 0):
  *                 gap_error = 0
  *                 num_gaps = 0             # <<<<<<<<<<<<<<
@@ -50336,7 +50365,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
  */
       __pyx_v_num_gaps = 0;
 
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1516
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1515
  *                 num_gaps = 0
  * 
  *                 if f_back_low < f_low:             # <<<<<<<<<<<<<<
@@ -50346,7 +50375,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
       __pyx_t_7 = (__pyx_v_f_back_low < __pyx_v_f_low);
       if (__pyx_t_7) {
 
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1517
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1516
  * 
  *                 if f_back_low < f_low:
  *                     f_gap_low[0] = f_back_low             # <<<<<<<<<<<<<<
@@ -50355,7 +50384,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
  */
         (__pyx_v_f_gap_low[0]) = __pyx_v_f_back_low;
 
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1518
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1517
  *                 if f_back_low < f_low:
  *                     f_gap_low[0] = f_back_low
  *                     f_gap_high[0] = f_low             # <<<<<<<<<<<<<<
@@ -50364,7 +50393,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
  */
         (__pyx_v_f_gap_high[0]) = __pyx_v_f_low;
 
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1519
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1518
  *                     f_gap_low[0] = f_back_low
  *                     f_gap_high[0] = f_low
  *                     num_gaps = 1             # <<<<<<<<<<<<<<
@@ -50373,7 +50402,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
  */
         __pyx_v_num_gaps = 1;
 
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1520
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1519
  *                     f_gap_high[0] = f_low
  *                     num_gaps = 1
  *                     gap_start = 0             # <<<<<<<<<<<<<<
@@ -50382,7 +50411,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
  */
         __pyx_v_gap_start = 0;
 
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1521
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1520
  *                     num_gaps = 1
  *                     gap_start = 0
  *                     phrase_len = phrase_len+1             # <<<<<<<<<<<<<<
@@ -50391,7 +50420,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
  */
         __pyx_v_phrase_len = (__pyx_v_phrase_len + 1);
 
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1522
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1521
  *                     gap_start = 0
  *                     phrase_len = phrase_len+1
  *                     if phrase_len > self.max_length:             # <<<<<<<<<<<<<<
@@ -50401,7 +50430,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
         __pyx_t_7 = (__pyx_v_phrase_len > __pyx_v_self->max_length);
         if (__pyx_t_7) {
 
-          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1523
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1522
  *                     phrase_len = phrase_len+1
  *                     if phrase_len > self.max_length:
  *                         gap_error = 1             # <<<<<<<<<<<<<<
@@ -50413,7 +50442,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
         }
         __pyx_L36:;
 
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1524
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1523
  *                     if phrase_len > self.max_length:
  *                         gap_error = 1
  *                     if self.tight_phrases:             # <<<<<<<<<<<<<<
@@ -50422,7 +50451,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
  */
         if (__pyx_v_self->tight_phrases) {
 
-          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1525
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1524
  *                         gap_error = 1
  *                     if self.tight_phrases:
  *                         if f_links_low[f_back_low] == -1 or f_links_low[f_low-1] == -1:             # <<<<<<<<<<<<<<
@@ -50438,7 +50467,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
           }
           if (__pyx_t_8) {
 
-            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1526
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1525
  *                     if self.tight_phrases:
  *                         if f_links_low[f_back_low] == -1 or f_links_low[f_low-1] == -1:
  *                             gap_error = 1             # <<<<<<<<<<<<<<
@@ -50447,7 +50476,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
  */
             __pyx_v_gap_error = 1;
 
-            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1527
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1526
  *                         if f_links_low[f_back_low] == -1 or f_links_low[f_low-1] == -1:
  *                             gap_error = 1
  *                             reason_for_failure = "Inside edges of preceding subphrase are not tight"             # <<<<<<<<<<<<<<
@@ -50467,7 +50496,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
       }
       /*else*/ {
 
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1529
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1528
  *                             reason_for_failure = "Inside edges of preceding subphrase are not tight"
  *                 else:
  *                     gap_start = 1             # <<<<<<<<<<<<<<
@@ -50476,7 +50505,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
  */
         __pyx_v_gap_start = 1;
 
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1530
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1529
  *                 else:
  *                     gap_start = 1
  *                     if self.tight_phrases and f_links_low[f_low] == -1:             # <<<<<<<<<<<<<<
@@ -50491,7 +50520,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
         }
         if (__pyx_t_7) {
 
-          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1533
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1532
  *                         # this is not a hard error.    we can't extract this phrase
  *                         # but we still might be able to extract a superphrase
  *                         met_constraints = 0             # <<<<<<<<<<<<<<
@@ -50505,7 +50534,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
       }
       __pyx_L35:;
 
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1535
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1534
  *                         met_constraints = 0
  * 
  *                 for i from 0 <= i < matching.size - 1:             # <<<<<<<<<<<<<<
@@ -50515,7 +50544,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
       __pyx_t_12 = (__pyx_v_matching->size - 1);
       for (__pyx_v_i = 0; __pyx_v_i < __pyx_t_12; __pyx_v_i++) {
 
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1536
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1535
  * 
  *                 for i from 0 <= i < matching.size - 1:
  *                     f_gap_low[1+i] = matching.arr[matching.start+i] + chunklen[i] - f_sent_start             # <<<<<<<<<<<<<<
@@ -50524,7 +50553,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
  */
         (__pyx_v_f_gap_low[(1 + __pyx_v_i)]) = (((__pyx_v_matching->arr[(__pyx_v_matching->start + __pyx_v_i)]) + (__pyx_v_chunklen[__pyx_v_i])) - __pyx_v_f_sent_start);
 
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1537
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1536
  *                 for i from 0 <= i < matching.size - 1:
  *                     f_gap_low[1+i] = matching.arr[matching.start+i] + chunklen[i] - f_sent_start
  *                     f_gap_high[1+i] = matching.arr[matching.start+i+1] - f_sent_start             # <<<<<<<<<<<<<<
@@ -50533,7 +50562,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
  */
         (__pyx_v_f_gap_high[(1 + __pyx_v_i)]) = ((__pyx_v_matching->arr[((__pyx_v_matching->start + __pyx_v_i) + 1)]) - __pyx_v_f_sent_start);
 
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1538
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1537
  *                     f_gap_low[1+i] = matching.arr[matching.start+i] + chunklen[i] - f_sent_start
  *                     f_gap_high[1+i] = matching.arr[matching.start+i+1] - f_sent_start
  *                     num_gaps = num_gaps + 1             # <<<<<<<<<<<<<<
@@ -50543,7 +50572,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
         __pyx_v_num_gaps = (__pyx_v_num_gaps + 1);
       }
 
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1540
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1539
  *                     num_gaps = num_gaps + 1
  * 
  *                 if f_high < f_back_high:             # <<<<<<<<<<<<<<
@@ -50553,7 +50582,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
       __pyx_t_7 = (__pyx_v_f_high < __pyx_v_f_back_high);
       if (__pyx_t_7) {
 
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1541
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1540
  * 
  *                 if f_high < f_back_high:
  *                     f_gap_low[gap_start+num_gaps] = f_high             # <<<<<<<<<<<<<<
@@ -50562,7 +50591,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
  */
         (__pyx_v_f_gap_low[(__pyx_v_gap_start + __pyx_v_num_gaps)]) = __pyx_v_f_high;
 
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1542
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1541
  *                 if f_high < f_back_high:
  *                     f_gap_low[gap_start+num_gaps] = f_high
  *                     f_gap_high[gap_start+num_gaps] = f_back_high             # <<<<<<<<<<<<<<
@@ -50571,7 +50600,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
  */
         (__pyx_v_f_gap_high[(__pyx_v_gap_start + __pyx_v_num_gaps)]) = __pyx_v_f_back_high;
 
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1543
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1542
  *                     f_gap_low[gap_start+num_gaps] = f_high
  *                     f_gap_high[gap_start+num_gaps] = f_back_high
  *                     num_gaps = num_gaps + 1             # <<<<<<<<<<<<<<
@@ -50580,7 +50609,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
  */
         __pyx_v_num_gaps = (__pyx_v_num_gaps + 1);
 
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1544
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1543
  *                     f_gap_high[gap_start+num_gaps] = f_back_high
  *                     num_gaps = num_gaps + 1
  *                     phrase_len = phrase_len+1             # <<<<<<<<<<<<<<
@@ -50589,7 +50618,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
  */
         __pyx_v_phrase_len = (__pyx_v_phrase_len + 1);
 
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1545
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1544
  *                     num_gaps = num_gaps + 1
  *                     phrase_len = phrase_len+1
  *                     if phrase_len > self.max_length:             # <<<<<<<<<<<<<<
@@ -50599,7 +50628,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
         __pyx_t_7 = (__pyx_v_phrase_len > __pyx_v_self->max_length);
         if (__pyx_t_7) {
 
-          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1546
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1545
  *                     phrase_len = phrase_len+1
  *                     if phrase_len > self.max_length:
  *                         gap_error = 1             # <<<<<<<<<<<<<<
@@ -50611,7 +50640,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
         }
         __pyx_L43:;
 
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1547
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1546
  *                     if phrase_len > self.max_length:
  *                         gap_error = 1
  *                     if self.tight_phrases:             # <<<<<<<<<<<<<<
@@ -50620,7 +50649,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
  */
         if (__pyx_v_self->tight_phrases) {
 
-          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1548
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1547
  *                         gap_error = 1
  *                     if self.tight_phrases:
  *                         if f_links_low[f_back_high-1] == -1 or f_links_low[f_high] == -1:             # <<<<<<<<<<<<<<
@@ -50636,7 +50665,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
           }
           if (__pyx_t_9) {
 
-            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1549
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1548
  *                     if self.tight_phrases:
  *                         if f_links_low[f_back_high-1] == -1 or f_links_low[f_high] == -1:
  *                             gap_error = 1             # <<<<<<<<<<<<<<
@@ -50645,7 +50674,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
  */
             __pyx_v_gap_error = 1;
 
-            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1550
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1549
  *                         if f_links_low[f_back_high-1] == -1 or f_links_low[f_high] == -1:
  *                             gap_error = 1
  *                             reason_for_failure = "Inside edges of following subphrase are not tight"             # <<<<<<<<<<<<<<
@@ -50665,7 +50694,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
       }
       /*else*/ {
 
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1552
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1551
  *                             reason_for_failure = "Inside edges of following subphrase are not tight"
  *                 else:
  *                     if self.tight_phrases and f_links_low[f_high-1] == -1:             # <<<<<<<<<<<<<<
@@ -50680,7 +50709,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
         }
         if (__pyx_t_7) {
 
-          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1553
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1552
  *                 else:
  *                     if self.tight_phrases and f_links_low[f_high-1] == -1:
  *                         met_constraints = 0             # <<<<<<<<<<<<<<
@@ -50694,7 +50723,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
       }
       __pyx_L42:;
 
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1555
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1554
  *                         met_constraints = 0
  * 
  *                 if gap_error == 0:             # <<<<<<<<<<<<<<
@@ -50704,7 +50733,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
       __pyx_t_7 = (__pyx_v_gap_error == 0);
       if (__pyx_t_7) {
 
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1556
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1555
  * 
  *                 if gap_error == 0:
  *                     e_word_count = e_high - e_low             # <<<<<<<<<<<<<<
@@ -50713,7 +50742,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
  */
         __pyx_v_e_word_count = (__pyx_v_e_high - __pyx_v_e_low);
 
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1557
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1556
  *                 if gap_error == 0:
  *                     e_word_count = e_high - e_low
  *                     for i from 0 <= i < num_gaps: # check integrity of subphrases             # <<<<<<<<<<<<<<
@@ -50723,28 +50752,28 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
         __pyx_t_3 = __pyx_v_num_gaps;
         for (__pyx_v_i = 0; __pyx_v_i < __pyx_t_3; __pyx_v_i++) {
 
-          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1558
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1557
  *                     e_word_count = e_high - e_low
  *                     for i from 0 <= i < num_gaps: # check integrity of subphrases
  *                         if self.find_fixpoint(f_gap_low[gap_start+i], f_gap_high[gap_start+i],             # <<<<<<<<<<<<<<
  *                                             f_links_low, f_links_high, e_links_low, e_links_high,
  *                                             -1, -1, e_gap_low+gap_start+i, e_gap_high+gap_start+i,
  */
-          __pyx_t_10 = PyInt_FromLong((__pyx_v_f_gap_high[(__pyx_v_gap_start + __pyx_v_i)])); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1558; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_10 = PyInt_FromLong((__pyx_v_f_gap_high[(__pyx_v_gap_start + __pyx_v_i)])); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1557; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_GOTREF(__pyx_t_10);
 
-          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1563
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1562
  *                                             f_gap_low+gap_start+i, f_gap_high+gap_start+i,
  *                                             f_sent_len, e_sent_len,
  *                                             self.train_max_initial_size, self.train_max_initial_size,             # <<<<<<<<<<<<<<
  *                                             0, 0, 0, 0, 0, 0, 0) == 0:
  *                             gap_error = 1
  */
-          __pyx_t_7 = (((struct __pyx_vtabstruct_8_cdec_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->find_fixpoint(__pyx_v_self, (__pyx_v_f_gap_low[(__pyx_v_gap_start + __pyx_v_i)]), __pyx_t_10, __pyx_v_f_links_low, __pyx_v_f_links_high, __pyx_v_e_links_low, __pyx_v_e_links_high, -1, -1, ((__pyx_v_e_gap_low + __pyx_v_gap_start) + __pyx_v_i), ((__pyx_v_e_gap_high + __pyx_v_gap_start) + __pyx_v_i), ((__pyx_v_f_gap_low + __pyx_v_gap_start) + __pyx_v_i), ((__pyx_v_f_gap_high + __pyx_v_gap_start) + __pyx_v_i), __pyx_v_f_sent_len, __pyx_v_e_sent_len, __pyx_v_self->train_max_initial_size, __pyx_v_self->train_max_initial_size, 0, 0, 0, 0, 0, 0, 0) == 0);
+          __pyx_t_7 = (((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->find_fixpoint(__pyx_v_self, (__pyx_v_f_gap_low[(__pyx_v_gap_start + __pyx_v_i)]), __pyx_t_10, __pyx_v_f_links_low, __pyx_v_f_links_high, __pyx_v_e_links_low, __pyx_v_e_links_high, -1, -1, ((__pyx_v_e_gap_low + __pyx_v_gap_start) + __pyx_v_i), ((__pyx_v_e_gap_high + __pyx_v_gap_start) + __pyx_v_i), ((__pyx_v_f_gap_low + __pyx_v_gap_start) + __pyx_v_i), ((__pyx_v_f_gap_high + __pyx_v_gap_start) + __pyx_v_i), __pyx_v_f_sent_len, __pyx_v_e_sent_len, __pyx_v_self->train_max_initial_size, __pyx_v_self->train_max_initial_size, 0, 0, 0, 0, 0, 0, 0) == 0);
           __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
           if (__pyx_t_7) {
 
-            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1565
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1564
  *                                             self.train_max_initial_size, self.train_max_initial_size,
  *                                             0, 0, 0, 0, 0, 0, 0) == 0:
  *                             gap_error = 1             # <<<<<<<<<<<<<<
@@ -50753,18 +50782,18 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
  */
             __pyx_v_gap_error = 1;
 
-            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1566
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1565
  *                                             0, 0, 0, 0, 0, 0, 0) == 0:
  *                             gap_error = 1
  *                             reason_for_failure = "Subphrase [%d, %d] failed integrity check" % (f_gap_low[gap_start+i], f_gap_high[gap_start+i])             # <<<<<<<<<<<<<<
  *                             break
  * 
  */
-            __pyx_t_10 = PyInt_FromLong((__pyx_v_f_gap_low[(__pyx_v_gap_start + __pyx_v_i)])); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1566; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_10 = PyInt_FromLong((__pyx_v_f_gap_low[(__pyx_v_gap_start + __pyx_v_i)])); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1565; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             __Pyx_GOTREF(__pyx_t_10);
-            __pyx_t_1 = PyInt_FromLong((__pyx_v_f_gap_high[(__pyx_v_gap_start + __pyx_v_i)])); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1566; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_1 = PyInt_FromLong((__pyx_v_f_gap_high[(__pyx_v_gap_start + __pyx_v_i)])); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1565; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             __Pyx_GOTREF(__pyx_t_1);
-            __pyx_t_2 = PyTuple_New(2); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1566; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_2 = PyTuple_New(2); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1565; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             __Pyx_GOTREF(__pyx_t_2);
             PyTuple_SET_ITEM(__pyx_t_2, 0, __pyx_t_10);
             __Pyx_GIVEREF(__pyx_t_10);
@@ -50772,14 +50801,14 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
             __Pyx_GIVEREF(__pyx_t_1);
             __pyx_t_10 = 0;
             __pyx_t_1 = 0;
-            __pyx_t_1 = PyNumber_Remainder(((PyObject *)__pyx_kp_s_129), ((PyObject *)__pyx_t_2)); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1566; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_1 = PyNumber_Remainder(((PyObject *)__pyx_kp_s_129), ((PyObject *)__pyx_t_2)); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1565; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             __Pyx_GOTREF(((PyObject *)__pyx_t_1));
             __Pyx_DECREF(((PyObject *)__pyx_t_2)); __pyx_t_2 = 0;
             __Pyx_DECREF(__pyx_v_reason_for_failure);
             __pyx_v_reason_for_failure = ((PyObject *)__pyx_t_1);
             __pyx_t_1 = 0;
 
-            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1567
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1566
  *                             gap_error = 1
  *                             reason_for_failure = "Subphrase [%d, %d] failed integrity check" % (f_gap_low[gap_start+i], f_gap_high[gap_start+i])
  *                             break             # <<<<<<<<<<<<<<
@@ -50796,7 +50825,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
       }
       __pyx_L47:;
 
-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1569
+      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1568
  *                             break
  * 
  *                 if gap_error == 0:             # <<<<<<<<<<<<<<
@@ -50806,7 +50835,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
       __pyx_t_7 = (__pyx_v_gap_error == 0);
       if (__pyx_t_7) {
 
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1570
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1569
  * 
  *                 if gap_error == 0:
  *                     i = 1             # <<<<<<<<<<<<<<
@@ -50815,21 +50844,21 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
  */
         __pyx_v_i = 1;
 
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1571
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1570
  *                 if gap_error == 0:
  *                     i = 1
  *                     self.findexes.reset()             # <<<<<<<<<<<<<<
  *                     if f_back_low < f_low:
  *                         fphr_arr._append(sym_setindex(self.category, i))
  */
-        __pyx_t_1 = PyObject_GetAttr(((PyObject *)__pyx_v_self->findexes), __pyx_n_s__reset); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1571; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_1 = PyObject_GetAttr(((PyObject *)__pyx_v_self->findexes), __pyx_n_s__reset); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1570; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_1);
-        __pyx_t_2 = PyObject_Call(__pyx_t_1, ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1571; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_2 = PyObject_Call(__pyx_t_1, ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1570; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_2);
         __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
         __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
 
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1572
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1571
  *                     i = 1
  *                     self.findexes.reset()
  *                     if f_back_low < f_low:             # <<<<<<<<<<<<<<
@@ -50839,16 +50868,16 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
         __pyx_t_7 = (__pyx_v_f_back_low < __pyx_v_f_low);
         if (__pyx_t_7) {
 
-          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1573
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1572
  *                     self.findexes.reset()
  *                     if f_back_low < f_low:
  *                         fphr_arr._append(sym_setindex(self.category, i))             # <<<<<<<<<<<<<<
  *                         i = i+1
  *                         self.findexes.append(sym_setindex(self.category, i))
  */
-          ((struct __pyx_vtabstruct_8_cdec_sa_IntList *)__pyx_v_fphr_arr->__pyx_vtab)->_append(__pyx_v_fphr_arr, __pyx_f_8_cdec_sa_sym_setindex(__pyx_v_self->category, __pyx_v_i));
+          ((struct __pyx_vtabstruct_3_sa_IntList *)__pyx_v_fphr_arr->__pyx_vtab)->_append(__pyx_v_fphr_arr, __pyx_f_3_sa_sym_setindex(__pyx_v_self->category, __pyx_v_i));
 
-          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1574
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1573
  *                     if f_back_low < f_low:
  *                         fphr_arr._append(sym_setindex(self.category, i))
  *                         i = i+1             # <<<<<<<<<<<<<<
@@ -50857,16 +50886,16 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
  */
           __pyx_v_i = (__pyx_v_i + 1);
 
-          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1575
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1574
  *                         fphr_arr._append(sym_setindex(self.category, i))
  *                         i = i+1
  *                         self.findexes.append(sym_setindex(self.category, i))             # <<<<<<<<<<<<<<
  *                     self.findexes.extend(self.findexes1)
  *                     for j from 0 <= j < phrase.n:
  */
-          __pyx_t_2 = PyInt_FromLong(__pyx_f_8_cdec_sa_sym_setindex(__pyx_v_self->category, __pyx_v_i)); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1575; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_2 = PyInt_FromLong(__pyx_f_3_sa_sym_setindex(__pyx_v_self->category, __pyx_v_i)); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1574; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_GOTREF(__pyx_t_2);
-          __pyx_t_1 = __Pyx_PyObject_Append(((PyObject *)__pyx_v_self->findexes), __pyx_t_2); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1575; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_1 = __Pyx_PyObject_Append(((PyObject *)__pyx_v_self->findexes), __pyx_t_2); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1574; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __Pyx_GOTREF(__pyx_t_1);
           __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
           __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
@@ -50874,27 +50903,27 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
         }
         __pyx_L52:;
 
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1576
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1575
  *                         i = i+1
  *                         self.findexes.append(sym_setindex(self.category, i))
  *                     self.findexes.extend(self.findexes1)             # <<<<<<<<<<<<<<
  *                     for j from 0 <= j < phrase.n:
  *                         if sym_isvar(phrase.syms[j]):
  */
-        __pyx_t_1 = PyObject_GetAttr(((PyObject *)__pyx_v_self->findexes), __pyx_n_s__extend); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1576; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_1 = PyObject_GetAttr(((PyObject *)__pyx_v_self->findexes), __pyx_n_s__extend); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1575; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_1);
-        __pyx_t_2 = PyTuple_New(1); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1576; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_2 = PyTuple_New(1); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1575; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_2);
         __Pyx_INCREF(((PyObject *)__pyx_v_self->findexes1));
         PyTuple_SET_ITEM(__pyx_t_2, 0, ((PyObject *)__pyx_v_self->findexes1));
         __Pyx_GIVEREF(((PyObject *)__pyx_v_self->findexes1));
-        __pyx_t_10 = PyObject_Call(__pyx_t_1, ((PyObject *)__pyx_t_2), NULL); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1576; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_10 = PyObject_Call(__pyx_t_1, ((PyObject *)__pyx_t_2), NULL); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1575; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_10);
         __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
         __Pyx_DECREF(((PyObject *)__pyx_t_2)); __pyx_t_2 = 0;
         __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
 
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1577
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1576
  *                         self.findexes.append(sym_setindex(self.category, i))
  *                     self.findexes.extend(self.findexes1)
  *                     for j from 0 <= j < phrase.n:             # <<<<<<<<<<<<<<
@@ -50904,40 +50933,26 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
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-          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1578
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1577
  *                     self.findexes.extend(self.findexes1)
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  *                         if sym_isvar(phrase.syms[j]):             # <<<<<<<<<<<<<<
  *                             fphr_arr._append(sym_setindex(self.category, i))
  *                             i = i + 1
  */
-          __pyx_t_10 = __Pyx_GetName(__pyx_m, __pyx_n_s__sym_isvar); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1578; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-          __Pyx_GOTREF(__pyx_t_10);
-          __pyx_t_2 = PyInt_FromLong((__pyx_v_phrase->syms[__pyx_v_j])); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1578; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-          __Pyx_GOTREF(__pyx_t_2);
-          __pyx_t_1 = PyTuple_New(1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1578; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-          __Pyx_GOTREF(__pyx_t_1);
-          PyTuple_SET_ITEM(__pyx_t_1, 0, __pyx_t_2);
-          __Pyx_GIVEREF(__pyx_t_2);
-          __pyx_t_2 = 0;
-          __pyx_t_2 = PyObject_Call(__pyx_t_10, ((PyObject *)__pyx_t_1), NULL); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1578; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-          __Pyx_GOTREF(__pyx_t_2);
-          __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
-          __Pyx_DECREF(((PyObject *)__pyx_t_1)); __pyx_t_1 = 0;
-          __pyx_t_7 = __Pyx_PyObject_IsTrue(__pyx_t_2); if (unlikely(__pyx_t_7 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1578; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-          __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
-          if (__pyx_t_7) {
+          __pyx_t_4 = __pyx_f_3_sa_sym_isvar((__pyx_v_phrase->syms[__pyx_v_j]));
+          if (__pyx_t_4) {
 
-            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1579
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1578
  *                     for j from 0 <= j < phrase.n:
  *                         if sym_isvar(phrase.syms[j]):
  *                             fphr_arr._append(sym_setindex(self.category, i))             # <<<<<<<<<<<<<<
  *                             i = i + 1
  *                         else:
  */
-            ((struct __pyx_vtabstruct_8_cdec_sa_IntList *)__pyx_v_fphr_arr->__pyx_vtab)->_append(__pyx_v_fphr_arr, __pyx_f_8_cdec_sa_sym_setindex(__pyx_v_self->category, __pyx_v_i));
+            ((struct __pyx_vtabstruct_3_sa_IntList *)__pyx_v_fphr_arr->__pyx_vtab)->_append(__pyx_v_fphr_arr, __pyx_f_3_sa_sym_setindex(__pyx_v_self->category, __pyx_v_i));
 
-            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1580
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1579
  *                         if sym_isvar(phrase.syms[j]):
  *                             fphr_arr._append(sym_setindex(self.category, i))
  *                             i = i + 1             # <<<<<<<<<<<<<<
@@ -50949,19 +50964,19 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
           }
           /*else*/ {
 
-            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1582
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1581
  *                             i = i + 1
  *                         else:
  *                             fphr_arr._append(phrase.syms[j])             # <<<<<<<<<<<<<<
  *                     if f_back_high > f_high:
  *                         fphr_arr._append(sym_setindex(self.category, i))
  */
-            ((struct __pyx_vtabstruct_8_cdec_sa_IntList *)__pyx_v_fphr_arr->__pyx_vtab)->_append(__pyx_v_fphr_arr, (__pyx_v_phrase->syms[__pyx_v_j]));
+            ((struct __pyx_vtabstruct_3_sa_IntList *)__pyx_v_fphr_arr->__pyx_vtab)->_append(__pyx_v_fphr_arr, (__pyx_v_phrase->syms[__pyx_v_j]));
           }
           __pyx_L55:;
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-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1583
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1582
  *                         else:
  *                             fphr_arr._append(phrase.syms[j])
  *                     if f_back_high > f_high:             # <<<<<<<<<<<<<<
@@ -50971,51 +50986,51 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
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         if (__pyx_t_7) {
 
-          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1584
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1583
  *                             fphr_arr._append(phrase.syms[j])
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  * 
  */
-          ((struct __pyx_vtabstruct_8_cdec_sa_IntList *)__pyx_v_fphr_arr->__pyx_vtab)->_append(__pyx_v_fphr_arr, __pyx_f_8_cdec_sa_sym_setindex(__pyx_v_self->category, __pyx_v_i));
+          ((struct __pyx_vtabstruct_3_sa_IntList *)__pyx_v_fphr_arr->__pyx_vtab)->_append(__pyx_v_fphr_arr, __pyx_f_3_sa_sym_setindex(__pyx_v_self->category, __pyx_v_i));
 
-          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1585
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1584
  *                     if f_back_high > f_high:
  *                         fphr_arr._append(sym_setindex(self.category, i))
  *                         self.findexes.append(sym_setindex(self.category, i))             # <<<<<<<<<<<<<<
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+          __pyx_t_10 = PyInt_FromLong(__pyx_f_3_sa_sym_setindex(__pyx_v_self->category, __pyx_v_i)); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1584; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __Pyx_GOTREF(__pyx_t_10);
+          __pyx_t_2 = __Pyx_PyObject_Append(((PyObject *)__pyx_v_self->findexes), __pyx_t_10); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1584; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-          __pyx_t_1 = __Pyx_PyObject_Append(((PyObject *)__pyx_v_self->findexes), __pyx_t_2); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1585; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-          __Pyx_GOTREF(__pyx_t_1);
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-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1587
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1586
  *                         self.findexes.append(sym_setindex(self.category, i))
  * 
  *                     fphr = Phrase(fphr_arr)             # <<<<<<<<<<<<<<
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-        __pyx_t_1 = PyTuple_New(1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1587; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-        __Pyx_GOTREF(__pyx_t_1);
+        __pyx_t_2 = PyTuple_New(1); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1586; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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         __Pyx_INCREF(((PyObject *)__pyx_v_fphr_arr));
-        PyTuple_SET_ITEM(__pyx_t_1, 0, ((PyObject *)__pyx_v_fphr_arr));
+        PyTuple_SET_ITEM(__pyx_t_2, 0, ((PyObject *)__pyx_v_fphr_arr));
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-        __pyx_t_2 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_8_cdec_sa_Phrase)), ((PyObject *)__pyx_t_1), NULL); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1587; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-        __pyx_v_fphr = ((struct __pyx_obj_8_cdec_sa_Phrase *)__pyx_t_2);
-        __pyx_t_2 = 0;
+        __pyx_t_10 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_Phrase)), ((PyObject *)__pyx_t_2), NULL); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1586; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __Pyx_GOTREF(__pyx_t_10);
+        __Pyx_DECREF(((PyObject *)__pyx_t_2)); __pyx_t_2 = 0;
+        __pyx_v_fphr = ((struct __pyx_obj_3_sa_Phrase *)__pyx_t_10);
+        __pyx_t_10 = 0;
 
-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1588
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1587
  * 
  *                     fphr = Phrase(fphr_arr)
  *                     if met_constraints:             # <<<<<<<<<<<<<<
@@ -51024,47 +51039,47 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
  */
         if (__pyx_v_met_constraints) {
 
-          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1591
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1590
  *                         phrase_list = self.extract_phrases(e_low, e_high, e_gap_low + gap_start, e_gap_high + gap_start, e_links_low, num_gaps,
  *                                             f_back_low, f_back_high, f_gap_low + gap_start, f_gap_high + gap_start, f_links_low,
  *                                             matching.sent_id, e_sent_len, e_sent_start)             # <<<<<<<<<<<<<<
  *                         if len(phrase_list) > 0:
  *                             pair_count = 1.0 / len(phrase_list)
  */
-          __pyx_t_2 = ((struct __pyx_vtabstruct_8_cdec_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->extract_phrases(__pyx_v_self, __pyx_v_e_low, __pyx_v_e_high, (__pyx_v_e_gap_low + __pyx_v_gap_start), (__pyx_v_e_gap_high + __pyx_v_gap_start), __pyx_v_e_links_low, __pyx_v_num_gaps, __pyx_v_f_back_low, __pyx_v_f_back_high, (__pyx_v_f_gap_low + __pyx_v_gap_start), (__pyx_v_f_gap_high + __pyx_v_gap_start), __pyx_v_f_links_low, __pyx_v_matching->sent_id, __pyx_v_e_sent_len, __pyx_v_e_sent_start); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1589; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-          __Pyx_GOTREF(__pyx_t_2);
-          __pyx_v_phrase_list = __pyx_t_2;
-          __pyx_t_2 = 0;
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+          __Pyx_GOTREF(__pyx_t_10);
+          __pyx_v_phrase_list = __pyx_t_10;
+          __pyx_t_10 = 0;
 
-          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1592
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1591
  *                                             f_back_low, f_back_high, f_gap_low + gap_start, f_gap_high + gap_start, f_links_low,
  *                                             matching.sent_id, e_sent_len, e_sent_start)
  *                         if len(phrase_list) > 0:             # <<<<<<<<<<<<<<
  *                             pair_count = 1.0 / len(phrase_list)
  *                         else:
  */
-          __pyx_t_13 = PyObject_Length(__pyx_v_phrase_list); if (unlikely(__pyx_t_13 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1592; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __pyx_t_13 = PyObject_Length(__pyx_v_phrase_list); if (unlikely(__pyx_t_13 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1591; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
           __pyx_t_7 = (__pyx_t_13 > 0);
           if (__pyx_t_7) {
 
-            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1593
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1592
  *                                             matching.sent_id, e_sent_len, e_sent_start)
  *                         if len(phrase_list) > 0:
  *                             pair_count = 1.0 / len(phrase_list)             # <<<<<<<<<<<<<<
  *                         else:
  *                             pair_count = 0
  */
-            __pyx_t_13 = PyObject_Length(__pyx_v_phrase_list); if (unlikely(__pyx_t_13 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1593; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_13 = PyObject_Length(__pyx_v_phrase_list); if (unlikely(__pyx_t_13 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1592; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             if (unlikely(__pyx_t_13 == 0)) {
               PyErr_Format(PyExc_ZeroDivisionError, "float division");
-              {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1593; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1592; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
             }
             __pyx_v_pair_count = (1.0 / __pyx_t_13);
             goto __pyx_L58;
           }
           /*else*/ {
 
-            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1595
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1594
  *                             pair_count = 1.0 / len(phrase_list)
  *                         else:
  *                             pair_count = 0             # <<<<<<<<<<<<<<
@@ -51073,36 +51088,36 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
  */
             __pyx_v_pair_count = 0.0;
 
-            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1596
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1595
  *                         else:
  *                             pair_count = 0
  *                             reason_for_failure = "Didn't extract anything from [%d, %d] -> [%d, %d]" % (f_back_low, f_back_high, e_low, e_high)             # <<<<<<<<<<<<<<
  *                         for (phrase2,eindexes) in phrase_list:
  *                             als1 = self.create_alignments(sent_links,num_links,self.findexes,eindexes)
  */
-            __pyx_t_2 = PyInt_FromLong(__pyx_v_f_back_low); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1596; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+            __pyx_t_10 = PyInt_FromLong(__pyx_v_f_back_low); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1595; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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             __Pyx_GOTREF(__pyx_t_2);
-            __pyx_t_1 = PyInt_FromLong(__pyx_v_f_back_high); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1596; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+            __pyx_t_14 = PyInt_FromLong(__pyx_v_e_high); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1595; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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             __Pyx_GOTREF(__pyx_t_15);
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-            __Pyx_GIVEREF(__pyx_t_10);
             PyTuple_SET_ITEM(__pyx_t_15, 3, __pyx_t_14);
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-          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1597
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1596
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+              __pyx_t_15 = PySequence_ITEM(__pyx_t_14, __pyx_t_13); __pyx_t_13++; if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1596; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
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-                  else {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1597; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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               PyObject* sequence = __pyx_t_15;
+              #if CYTHON_COMPILING_IN_CPYTHON
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-                __pyx_t_1 = PyTuple_GET_ITEM(sequence, 1); 
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-                __pyx_t_10 = PyList_GET_ITEM(sequence, 0); 
-                __pyx_t_1 = PyList_GET_ITEM(sequence, 1); 
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-              {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1597; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
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-            __pyx_t_10 = 0;
-            __Pyx_XDECREF(__pyx_v_eindexes);
-            __pyx_v_eindexes = __pyx_t_1;
+            __pyx_v_phrase2 = __pyx_t_1;
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-            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1598
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1597
  *                             reason_for_failure = "Didn't extract anything from [%d, %d] -> [%d, %d]" % (f_back_low, f_back_high, e_low, e_high)
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@@ -51202,31 +51232,31 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
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-            __Pyx_GOTREF(__pyx_t_1);
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-            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1599
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-            __Pyx_GOTREF(__pyx_t_10);
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-        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1601
+        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1600
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-          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1602
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1601
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  *                     if (num_gaps < self.max_nonterminals and
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           if (__pyx_t_9) {
 
-            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1603
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1602
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         }
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-          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1604
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1603
  *                         phrase_len < self.max_length and
  *                         f_back_high - f_back_low + self.train_min_gap_size <= self.train_max_initial_size):
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@@ -51298,7 +51328,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
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-            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1605
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1604
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             if (__pyx_t_7) {
 
-              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1606
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1605
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           }
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-            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1607
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1606
  *                                 f_low >= self.train_min_gap_size and
  *                                 ((not self.tight_phrases) or (f_links_low[f_low-1] != -1 and f_links_low[f_back_high-1] != -1))):
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-            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1608
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1607
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@@ -51356,7 +51386,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
  */
             __pyx_v_met_constraints = 1;
 
-            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1609
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1608
  *                             f_x_low = f_low-self.train_min_gap_size
  *                             met_constraints = 1
  *                             if self.tight_phrases:             # <<<<<<<<<<<<<<
@@ -51365,7 +51395,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
  */
             if (__pyx_v_self->tight_phrases) {
 
-              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1610
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1609
  *                             met_constraints = 1
  *                             if self.tight_phrases:
  *                                 while f_x_low >= 0 and f_links_low[f_x_low] == -1:             # <<<<<<<<<<<<<<
@@ -51382,7 +51412,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
                 }
                 if (!__pyx_t_18) break;
 
-                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1611
+                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1610
  *                             if self.tight_phrases:
  *                                 while f_x_low >= 0 and f_links_low[f_x_low] == -1:
  *                                     f_x_low = f_x_low - 1             # <<<<<<<<<<<<<<
@@ -51395,7 +51425,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
             }
             __pyx_L65:;
 
-            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1612
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1611
  *                                 while f_x_low >= 0 and f_links_low[f_x_low] == -1:
  *                                     f_x_low = f_x_low - 1
  *                             if f_x_low < 0 or f_back_high - f_x_low > self.train_max_initial_size:             # <<<<<<<<<<<<<<
@@ -51411,7 +51441,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
             }
             if (__pyx_t_9) {
 
-              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1613
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1612
  *                                     f_x_low = f_x_low - 1
  *                             if f_x_low < 0 or f_back_high - f_x_low > self.train_max_initial_size:
  *                                 met_constraints = 0             # <<<<<<<<<<<<<<
@@ -51423,7 +51453,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
             }
             __pyx_L68:;
 
-            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1615
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1614
  *                                 met_constraints = 0
  * 
  *                             if (met_constraints and             # <<<<<<<<<<<<<<
@@ -51432,27 +51462,27 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
  */
             if (__pyx_v_met_constraints) {
 
-              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1616
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1615
  * 
  *                             if (met_constraints and
  *                                 self.find_fixpoint(f_x_low, f_back_high,             # <<<<<<<<<<<<<<
  *                                             f_links_low, f_links_high, e_links_low, e_links_high,
  *                                             e_low, e_high, &e_x_low, &e_x_high, &f_x_low, &f_x_high,
  */
-              __pyx_t_14 = PyInt_FromLong(__pyx_v_f_back_high); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1616; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __pyx_t_14 = PyInt_FromLong(__pyx_v_f_back_high); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1615; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               __Pyx_GOTREF(__pyx_t_14);
 
-              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1620
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1619
  *                                             e_low, e_high, &e_x_low, &e_x_high, &f_x_low, &f_x_high,
  *                                             f_sent_len, e_sent_len,
  *                                             self.train_max_initial_size, self.train_max_initial_size,             # <<<<<<<<<<<<<<
  *                                             1, 1, 1, 1, 0, 1, 0) and
  *                                 ((not self.tight_phrases) or f_links_low[f_x_low] != -1) and
  */
-              if (((struct __pyx_vtabstruct_8_cdec_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->find_fixpoint(__pyx_v_self, __pyx_v_f_x_low, __pyx_t_14, __pyx_v_f_links_low, __pyx_v_f_links_high, __pyx_v_e_links_low, __pyx_v_e_links_high, __pyx_v_e_low, __pyx_v_e_high, (&__pyx_v_e_x_low), (&__pyx_v_e_x_high), (&__pyx_v_f_x_low), (&__pyx_v_f_x_high), __pyx_v_f_sent_len, __pyx_v_e_sent_len, __pyx_v_self->train_max_initial_size, __pyx_v_self->train_max_initial_size, 1, 1, 1, 1, 0, 1, 0)) {
+              if (((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->find_fixpoint(__pyx_v_self, __pyx_v_f_x_low, __pyx_t_14, __pyx_v_f_links_low, __pyx_v_f_links_high, __pyx_v_e_links_low, __pyx_v_e_links_high, __pyx_v_e_low, __pyx_v_e_high, (&__pyx_v_e_x_low), (&__pyx_v_e_x_high), (&__pyx_v_f_x_low), (&__pyx_v_f_x_high), __pyx_v_f_sent_len, __pyx_v_e_sent_len, __pyx_v_self->train_max_initial_size, __pyx_v_self->train_max_initial_size, 1, 1, 1, 1, 0, 1, 0)) {
                 __Pyx_DECREF(__pyx_t_14); __pyx_t_14 = 0;
 
-                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1622
+                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1621
  *                                             self.train_max_initial_size, self.train_max_initial_size,
  *                                             1, 1, 1, 1, 0, 1, 0) and
  *                                 ((not self.tight_phrases) or f_links_low[f_x_low] != -1) and             # <<<<<<<<<<<<<<
@@ -51468,31 +51498,31 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
                 }
                 if (__pyx_t_7) {
 
-                  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1623
+                  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1622
  *                                             1, 1, 1, 1, 0, 1, 0) and
  *                                 ((not self.tight_phrases) or f_links_low[f_x_low] != -1) and
  *                                 self.find_fixpoint(f_x_low, f_low,    # check integrity of new subphrase             # <<<<<<<<<<<<<<
  *                                             f_links_low, f_links_high, e_links_low, e_links_high,
  *                                             -1, -1, e_gap_low, e_gap_high, f_gap_low, f_gap_high,
  */
-                  __pyx_t_10 = PyInt_FromLong(__pyx_v_f_low); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1623; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-                  __Pyx_GOTREF(__pyx_t_10);
+                  __pyx_t_1 = PyInt_FromLong(__pyx_v_f_low); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1622; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                  __Pyx_GOTREF(__pyx_t_1);
 
-                  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1627
+                  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1626
  *                                             -1, -1, e_gap_low, e_gap_high, f_gap_low, f_gap_high,
  *                                             f_sent_len, e_sent_len,
  *                                             self.train_max_initial_size, self.train_max_initial_size,             # <<<<<<<<<<<<<<
  *                                             0, 0, 0, 0, 0, 0, 0)):
  *                                 fphr_arr._clear()
  */
-                  __pyx_t_9 = ((struct __pyx_vtabstruct_8_cdec_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->find_fixpoint(__pyx_v_self, __pyx_v_f_x_low, __pyx_t_10, __pyx_v_f_links_low, __pyx_v_f_links_high, __pyx_v_e_links_low, __pyx_v_e_links_high, -1, -1, __pyx_v_e_gap_low, __pyx_v_e_gap_high, __pyx_v_f_gap_low, __pyx_v_f_gap_high, __pyx_v_f_sent_len, __pyx_v_e_sent_len, __pyx_v_self->train_max_initial_size, __pyx_v_self->train_max_initial_size, 0, 0, 0, 0, 0, 0, 0);
-                  __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
+                  __pyx_t_9 = ((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->find_fixpoint(__pyx_v_self, __pyx_v_f_x_low, __pyx_t_1, __pyx_v_f_links_low, __pyx_v_f_links_high, __pyx_v_e_links_low, __pyx_v_e_links_high, -1, -1, __pyx_v_e_gap_low, __pyx_v_e_gap_high, __pyx_v_f_gap_low, __pyx_v_f_gap_high, __pyx_v_f_sent_len, __pyx_v_e_sent_len, __pyx_v_self->train_max_initial_size, __pyx_v_self->train_max_initial_size, 0, 0, 0, 0, 0, 0, 0);
+                  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
                 } else {
                   __pyx_t_9 = __pyx_t_7;
                 }
                 __pyx_t_7 = __pyx_t_9;
               } else {
-                __pyx_t_7 = ((struct __pyx_vtabstruct_8_cdec_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->find_fixpoint(__pyx_v_self, __pyx_v_f_x_low, __pyx_t_14, __pyx_v_f_links_low, __pyx_v_f_links_high, __pyx_v_e_links_low, __pyx_v_e_links_high, __pyx_v_e_low, __pyx_v_e_high, (&__pyx_v_e_x_low), (&__pyx_v_e_x_high), (&__pyx_v_f_x_low), (&__pyx_v_f_x_high), __pyx_v_f_sent_len, __pyx_v_e_sent_len, __pyx_v_self->train_max_initial_size, __pyx_v_self->train_max_initial_size, 1, 1, 1, 1, 0, 1, 0);
+                __pyx_t_7 = ((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->find_fixpoint(__pyx_v_self, __pyx_v_f_x_low, __pyx_t_14, __pyx_v_f_links_low, __pyx_v_f_links_high, __pyx_v_e_links_low, __pyx_v_e_links_high, __pyx_v_e_low, __pyx_v_e_high, (&__pyx_v_e_x_low), (&__pyx_v_e_x_high), (&__pyx_v_f_x_low), (&__pyx_v_f_x_high), __pyx_v_f_sent_len, __pyx_v_e_sent_len, __pyx_v_self->train_max_initial_size, __pyx_v_self->train_max_initial_size, 1, 1, 1, 1, 0, 1, 0);
                 __Pyx_DECREF(__pyx_t_14); __pyx_t_14 = 0;
               }
               __pyx_t_9 = __pyx_t_7;
@@ -51501,16 +51531,16 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
             }
             if (__pyx_t_9) {
 
-              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1629
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1628
  *                                             self.train_max_initial_size, self.train_max_initial_size,
  *                                             0, 0, 0, 0, 0, 0, 0)):
  *                                 fphr_arr._clear()             # <<<<<<<<<<<<<<
  *                                 i = 1
  *                                 self.findexes.reset()
  */
-              ((struct __pyx_vtabstruct_8_cdec_sa_IntList *)__pyx_v_fphr_arr->__pyx_vtab)->_clear(__pyx_v_fphr_arr);
+              ((struct __pyx_vtabstruct_3_sa_IntList *)__pyx_v_fphr_arr->__pyx_vtab)->_clear(__pyx_v_fphr_arr);
 
-              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1630
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1629
  *                                             0, 0, 0, 0, 0, 0, 0)):
  *                                 fphr_arr._clear()
  *                                 i = 1             # <<<<<<<<<<<<<<
@@ -51519,44 +51549,44 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
  */
               __pyx_v_i = 1;
 
-              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1631
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1630
  *                                 fphr_arr._clear()
  *                                 i = 1
  *                                 self.findexes.reset()             # <<<<<<<<<<<<<<
  *                                 self.findexes.append(sym_setindex(self.category, i))
  *                                 fphr_arr._append(sym_setindex(self.category, i))
  */
-              __pyx_t_14 = PyObject_GetAttr(((PyObject *)__pyx_v_self->findexes), __pyx_n_s__reset); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1631; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __pyx_t_14 = PyObject_GetAttr(((PyObject *)__pyx_v_self->findexes), __pyx_n_s__reset); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1630; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               __Pyx_GOTREF(__pyx_t_14);
-              __pyx_t_10 = PyObject_Call(__pyx_t_14, ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1631; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-              __Pyx_GOTREF(__pyx_t_10);
+              __pyx_t_1 = PyObject_Call(__pyx_t_14, ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1630; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __Pyx_GOTREF(__pyx_t_1);
               __Pyx_DECREF(__pyx_t_14); __pyx_t_14 = 0;
-              __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
+              __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
 
-              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1632
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1631
  *                                 i = 1
  *                                 self.findexes.reset()
  *                                 self.findexes.append(sym_setindex(self.category, i))             # <<<<<<<<<<<<<<
  *                                 fphr_arr._append(sym_setindex(self.category, i))
  *                                 i = i+1
  */
-              __pyx_t_10 = PyInt_FromLong(__pyx_f_8_cdec_sa_sym_setindex(__pyx_v_self->category, __pyx_v_i)); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1632; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-              __Pyx_GOTREF(__pyx_t_10);
-              __pyx_t_14 = __Pyx_PyObject_Append(((PyObject *)__pyx_v_self->findexes), __pyx_t_10); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1632; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __pyx_t_1 = PyInt_FromLong(__pyx_f_3_sa_sym_setindex(__pyx_v_self->category, __pyx_v_i)); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1631; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __Pyx_GOTREF(__pyx_t_1);
+              __pyx_t_14 = __Pyx_PyObject_Append(((PyObject *)__pyx_v_self->findexes), __pyx_t_1); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1631; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               __Pyx_GOTREF(__pyx_t_14);
-              __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
+              __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
               __Pyx_DECREF(__pyx_t_14); __pyx_t_14 = 0;
 
-              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1633
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1632
  *                                 self.findexes.reset()
  *                                 self.findexes.append(sym_setindex(self.category, i))
  *                                 fphr_arr._append(sym_setindex(self.category, i))             # <<<<<<<<<<<<<<
  *                                 i = i+1
  *                                 self.findexes.extend(self.findexes1)
  */
-              ((struct __pyx_vtabstruct_8_cdec_sa_IntList *)__pyx_v_fphr_arr->__pyx_vtab)->_append(__pyx_v_fphr_arr, __pyx_f_8_cdec_sa_sym_setindex(__pyx_v_self->category, __pyx_v_i));
+              ((struct __pyx_vtabstruct_3_sa_IntList *)__pyx_v_fphr_arr->__pyx_vtab)->_append(__pyx_v_fphr_arr, __pyx_f_3_sa_sym_setindex(__pyx_v_self->category, __pyx_v_i));
 
-              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1634
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1633
  *                                 self.findexes.append(sym_setindex(self.category, i))
  *                                 fphr_arr._append(sym_setindex(self.category, i))
  *                                 i = i+1             # <<<<<<<<<<<<<<
@@ -51565,27 +51595,27 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
  */
               __pyx_v_i = (__pyx_v_i + 1);
 
-              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1635
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1634
  *                                 fphr_arr._append(sym_setindex(self.category, i))
  *                                 i = i+1
  *                                 self.findexes.extend(self.findexes1)             # <<<<<<<<<<<<<<
  *                                 for j from 0 <= j < phrase.n:
  *                                     if sym_isvar(phrase.syms[j]):
  */
-              __pyx_t_14 = PyObject_GetAttr(((PyObject *)__pyx_v_self->findexes), __pyx_n_s__extend); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1635; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __pyx_t_14 = PyObject_GetAttr(((PyObject *)__pyx_v_self->findexes), __pyx_n_s__extend); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1634; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               __Pyx_GOTREF(__pyx_t_14);
-              __pyx_t_10 = PyTuple_New(1); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1635; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-              __Pyx_GOTREF(__pyx_t_10);
+              __pyx_t_1 = PyTuple_New(1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1634; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __Pyx_GOTREF(__pyx_t_1);
               __Pyx_INCREF(((PyObject *)__pyx_v_self->findexes1));
-              PyTuple_SET_ITEM(__pyx_t_10, 0, ((PyObject *)__pyx_v_self->findexes1));
+              PyTuple_SET_ITEM(__pyx_t_1, 0, ((PyObject *)__pyx_v_self->findexes1));
               __Pyx_GIVEREF(((PyObject *)__pyx_v_self->findexes1));
-              __pyx_t_15 = PyObject_Call(__pyx_t_14, ((PyObject *)__pyx_t_10), NULL); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1635; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __pyx_t_15 = PyObject_Call(__pyx_t_14, ((PyObject *)__pyx_t_1), NULL); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1634; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               __Pyx_GOTREF(__pyx_t_15);
               __Pyx_DECREF(__pyx_t_14); __pyx_t_14 = 0;
-              __Pyx_DECREF(((PyObject *)__pyx_t_10)); __pyx_t_10 = 0;
+              __Pyx_DECREF(((PyObject *)__pyx_t_1)); __pyx_t_1 = 0;
               __Pyx_DECREF(__pyx_t_15); __pyx_t_15 = 0;
 
-              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1636
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1635
  *                                 i = i+1
  *                                 self.findexes.extend(self.findexes1)
  *                                 for j from 0 <= j < phrase.n:             # <<<<<<<<<<<<<<
@@ -51595,40 +51625,26 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
               __pyx_t_3 = __pyx_v_phrase->n;
               for (__pyx_v_j = 0; __pyx_v_j < __pyx_t_3; __pyx_v_j++) {
 
-                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1637
+                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1636
  *                                 self.findexes.extend(self.findexes1)
  *                                 for j from 0 <= j < phrase.n:
  *                                     if sym_isvar(phrase.syms[j]):             # <<<<<<<<<<<<<<
  *                                         fphr_arr._append(sym_setindex(self.category, i))
  *                                         i = i + 1
  */
-                __pyx_t_15 = __Pyx_GetName(__pyx_m, __pyx_n_s__sym_isvar); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1637; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-                __Pyx_GOTREF(__pyx_t_15);
-                __pyx_t_10 = PyInt_FromLong((__pyx_v_phrase->syms[__pyx_v_j])); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1637; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-                __Pyx_GOTREF(__pyx_t_10);
-                __pyx_t_14 = PyTuple_New(1); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1637; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-                __Pyx_GOTREF(__pyx_t_14);
-                PyTuple_SET_ITEM(__pyx_t_14, 0, __pyx_t_10);
-                __Pyx_GIVEREF(__pyx_t_10);
-                __pyx_t_10 = 0;
-                __pyx_t_10 = PyObject_Call(__pyx_t_15, ((PyObject *)__pyx_t_14), NULL); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1637; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-                __Pyx_GOTREF(__pyx_t_10);
-                __Pyx_DECREF(__pyx_t_15); __pyx_t_15 = 0;
-                __Pyx_DECREF(((PyObject *)__pyx_t_14)); __pyx_t_14 = 0;
-                __pyx_t_9 = __Pyx_PyObject_IsTrue(__pyx_t_10); if (unlikely(__pyx_t_9 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1637; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-                __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
-                if (__pyx_t_9) {
+                __pyx_t_4 = __pyx_f_3_sa_sym_isvar((__pyx_v_phrase->syms[__pyx_v_j]));
+                if (__pyx_t_4) {
 
-                  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1638
+                  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1637
  *                                 for j from 0 <= j < phrase.n:
  *                                     if sym_isvar(phrase.syms[j]):
  *                                         fphr_arr._append(sym_setindex(self.category, i))             # <<<<<<<<<<<<<<
  *                                         i = i + 1
  *                                     else:
  */
-                  ((struct __pyx_vtabstruct_8_cdec_sa_IntList *)__pyx_v_fphr_arr->__pyx_vtab)->_append(__pyx_v_fphr_arr, __pyx_f_8_cdec_sa_sym_setindex(__pyx_v_self->category, __pyx_v_i));
+                  ((struct __pyx_vtabstruct_3_sa_IntList *)__pyx_v_fphr_arr->__pyx_vtab)->_append(__pyx_v_fphr_arr, __pyx_f_3_sa_sym_setindex(__pyx_v_self->category, __pyx_v_i));
 
-                  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1639
+                  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1638
  *                                     if sym_isvar(phrase.syms[j]):
  *                                         fphr_arr._append(sym_setindex(self.category, i))
  *                                         i = i + 1             # <<<<<<<<<<<<<<
@@ -51640,19 +51656,19 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
                 }
                 /*else*/ {
 
-                  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1641
+                  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1640
  *                                         i = i + 1
  *                                     else:
  *                                         fphr_arr._append(phrase.syms[j])             # <<<<<<<<<<<<<<
  *                                 if f_back_high > f_high:
  *                                     fphr_arr._append(sym_setindex(self.category, i))
  */
-                  ((struct __pyx_vtabstruct_8_cdec_sa_IntList *)__pyx_v_fphr_arr->__pyx_vtab)->_append(__pyx_v_fphr_arr, (__pyx_v_phrase->syms[__pyx_v_j]));
+                  ((struct __pyx_vtabstruct_3_sa_IntList *)__pyx_v_fphr_arr->__pyx_vtab)->_append(__pyx_v_fphr_arr, (__pyx_v_phrase->syms[__pyx_v_j]));
                 }
                 __pyx_L72:;
               }
 
-              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1642
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1641
  *                                     else:
  *                                         fphr_arr._append(phrase.syms[j])
  *                                 if f_back_high > f_high:             # <<<<<<<<<<<<<<
@@ -51662,93 +51678,93 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
               __pyx_t_9 = (__pyx_v_f_back_high > __pyx_v_f_high);
               if (__pyx_t_9) {
 
-                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1643
+                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1642
  *                                         fphr_arr._append(phrase.syms[j])
  *                                 if f_back_high > f_high:
  *                                     fphr_arr._append(sym_setindex(self.category, i))             # <<<<<<<<<<<<<<
  *                                     self.findexes.append(sym_setindex(self.category, i))
  *                                 fphr = Phrase(fphr_arr)
  */
-                ((struct __pyx_vtabstruct_8_cdec_sa_IntList *)__pyx_v_fphr_arr->__pyx_vtab)->_append(__pyx_v_fphr_arr, __pyx_f_8_cdec_sa_sym_setindex(__pyx_v_self->category, __pyx_v_i));
+                ((struct __pyx_vtabstruct_3_sa_IntList *)__pyx_v_fphr_arr->__pyx_vtab)->_append(__pyx_v_fphr_arr, __pyx_f_3_sa_sym_setindex(__pyx_v_self->category, __pyx_v_i));
 
-                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1644
+                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1643
  *                                 if f_back_high > f_high:
  *                                     fphr_arr._append(sym_setindex(self.category, i))
  *                                     self.findexes.append(sym_setindex(self.category, i))             # <<<<<<<<<<<<<<
  *                                 fphr = Phrase(fphr_arr)
  *                                 phrase_list = self.extract_phrases(e_x_low, e_x_high, e_gap_low, e_gap_high, e_links_low, num_gaps+1,
  */
-                __pyx_t_10 = PyInt_FromLong(__pyx_f_8_cdec_sa_sym_setindex(__pyx_v_self->category, __pyx_v_i)); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1644; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-                __Pyx_GOTREF(__pyx_t_10);
-                __pyx_t_14 = __Pyx_PyObject_Append(((PyObject *)__pyx_v_self->findexes), __pyx_t_10); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1644; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-                __Pyx_GOTREF(__pyx_t_14);
-                __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
-                __Pyx_DECREF(__pyx_t_14); __pyx_t_14 = 0;
+                __pyx_t_15 = PyInt_FromLong(__pyx_f_3_sa_sym_setindex(__pyx_v_self->category, __pyx_v_i)); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1643; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                __Pyx_GOTREF(__pyx_t_15);
+                __pyx_t_1 = __Pyx_PyObject_Append(((PyObject *)__pyx_v_self->findexes), __pyx_t_15); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1643; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                __Pyx_GOTREF(__pyx_t_1);
+                __Pyx_DECREF(__pyx_t_15); __pyx_t_15 = 0;
+                __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
                 goto __pyx_L73;
               }
               __pyx_L73:;
 
-              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1645
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1644
  *                                     fphr_arr._append(sym_setindex(self.category, i))
  *                                     self.findexes.append(sym_setindex(self.category, i))
  *                                 fphr = Phrase(fphr_arr)             # <<<<<<<<<<<<<<
  *                                 phrase_list = self.extract_phrases(e_x_low, e_x_high, e_gap_low, e_gap_high, e_links_low, num_gaps+1,
  *                                                     f_x_low, f_x_high, f_gap_low, f_gap_high, f_links_low, matching.sent_id,
  */
-              __pyx_t_14 = PyTuple_New(1); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1645; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-              __Pyx_GOTREF(__pyx_t_14);
+              __pyx_t_1 = PyTuple_New(1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1644; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __Pyx_GOTREF(__pyx_t_1);
               __Pyx_INCREF(((PyObject *)__pyx_v_fphr_arr));
-              PyTuple_SET_ITEM(__pyx_t_14, 0, ((PyObject *)__pyx_v_fphr_arr));
+              PyTuple_SET_ITEM(__pyx_t_1, 0, ((PyObject *)__pyx_v_fphr_arr));
               __Pyx_GIVEREF(((PyObject *)__pyx_v_fphr_arr));
-              __pyx_t_10 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_8_cdec_sa_Phrase)), ((PyObject *)__pyx_t_14), NULL); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1645; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-              __Pyx_GOTREF(__pyx_t_10);
-              __Pyx_DECREF(((PyObject *)__pyx_t_14)); __pyx_t_14 = 0;
+              __pyx_t_15 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_Phrase)), ((PyObject *)__pyx_t_1), NULL); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1644; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __Pyx_GOTREF(__pyx_t_15);
+              __Pyx_DECREF(((PyObject *)__pyx_t_1)); __pyx_t_1 = 0;
               __Pyx_DECREF(((PyObject *)__pyx_v_fphr));
-              __pyx_v_fphr = ((struct __pyx_obj_8_cdec_sa_Phrase *)__pyx_t_10);
-              __pyx_t_10 = 0;
+              __pyx_v_fphr = ((struct __pyx_obj_3_sa_Phrase *)__pyx_t_15);
+              __pyx_t_15 = 0;
 
-              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1648
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1647
  *                                 phrase_list = self.extract_phrases(e_x_low, e_x_high, e_gap_low, e_gap_high, e_links_low, num_gaps+1,
  *                                                     f_x_low, f_x_high, f_gap_low, f_gap_high, f_links_low, matching.sent_id,
  *                                                     e_sent_len, e_sent_start)             # <<<<<<<<<<<<<<
  *                                 if len(phrase_list) > 0:
  *                                     pair_count = 1.0 / len(phrase_list)
  */
-              __pyx_t_10 = ((struct __pyx_vtabstruct_8_cdec_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->extract_phrases(__pyx_v_self, __pyx_v_e_x_low, __pyx_v_e_x_high, __pyx_v_e_gap_low, __pyx_v_e_gap_high, __pyx_v_e_links_low, (__pyx_v_num_gaps + 1), __pyx_v_f_x_low, __pyx_v_f_x_high, __pyx_v_f_gap_low, __pyx_v_f_gap_high, __pyx_v_f_links_low, __pyx_v_matching->sent_id, __pyx_v_e_sent_len, __pyx_v_e_sent_start); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1646; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-              __Pyx_GOTREF(__pyx_t_10);
+              __pyx_t_15 = ((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->extract_phrases(__pyx_v_self, __pyx_v_e_x_low, __pyx_v_e_x_high, __pyx_v_e_gap_low, __pyx_v_e_gap_high, __pyx_v_e_links_low, (__pyx_v_num_gaps + 1), __pyx_v_f_x_low, __pyx_v_f_x_high, __pyx_v_f_gap_low, __pyx_v_f_gap_high, __pyx_v_f_links_low, __pyx_v_matching->sent_id, __pyx_v_e_sent_len, __pyx_v_e_sent_start); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1645; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __Pyx_GOTREF(__pyx_t_15);
               __Pyx_XDECREF(__pyx_v_phrase_list);
-              __pyx_v_phrase_list = __pyx_t_10;
-              __pyx_t_10 = 0;
+              __pyx_v_phrase_list = __pyx_t_15;
+              __pyx_t_15 = 0;
 
-              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1649
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1648
  *                                                     f_x_low, f_x_high, f_gap_low, f_gap_high, f_links_low, matching.sent_id,
  *                                                     e_sent_len, e_sent_start)
  *                                 if len(phrase_list) > 0:             # <<<<<<<<<<<<<<
  *                                     pair_count = 1.0 / len(phrase_list)
  *                                 else:
  */
-              __pyx_t_13 = PyObject_Length(__pyx_v_phrase_list); if (unlikely(__pyx_t_13 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1649; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __pyx_t_13 = PyObject_Length(__pyx_v_phrase_list); if (unlikely(__pyx_t_13 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1648; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               __pyx_t_9 = (__pyx_t_13 > 0);
               if (__pyx_t_9) {
 
-                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1650
+                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1649
  *                                                     e_sent_len, e_sent_start)
  *                                 if len(phrase_list) > 0:
  *                                     pair_count = 1.0 / len(phrase_list)             # <<<<<<<<<<<<<<
  *                                 else:
  *                                     pair_count = 0
  */
-                __pyx_t_13 = PyObject_Length(__pyx_v_phrase_list); if (unlikely(__pyx_t_13 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1650; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                __pyx_t_13 = PyObject_Length(__pyx_v_phrase_list); if (unlikely(__pyx_t_13 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1649; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                 if (unlikely(__pyx_t_13 == 0)) {
                   PyErr_Format(PyExc_ZeroDivisionError, "float division");
-                  {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1650; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                  {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1649; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                 }
                 __pyx_v_pair_count = (1.0 / __pyx_t_13);
                 goto __pyx_L74;
               }
               /*else*/ {
 
-                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1652
+                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1651
  *                                     pair_count = 1.0 / len(phrase_list)
  *                                 else:
  *                                     pair_count = 0             # <<<<<<<<<<<<<<
@@ -51759,7 +51775,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
               }
               __pyx_L74:;
 
-              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1653
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1652
  *                                 else:
  *                                     pair_count = 0
  *                                 for phrase2,eindexes in phrase_list:             # <<<<<<<<<<<<<<
@@ -51767,133 +51783,148 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
  *                                     extracts.append((fphr, phrase2, pair_count, tuple(als2)))
  */
               if (PyList_CheckExact(__pyx_v_phrase_list) || PyTuple_CheckExact(__pyx_v_phrase_list)) {
-                __pyx_t_10 = __pyx_v_phrase_list; __Pyx_INCREF(__pyx_t_10); __pyx_t_13 = 0;
+                __pyx_t_15 = __pyx_v_phrase_list; __Pyx_INCREF(__pyx_t_15); __pyx_t_13 = 0;
                 __pyx_t_16 = NULL;
               } else {
-                __pyx_t_13 = -1; __pyx_t_10 = PyObject_GetIter(__pyx_v_phrase_list); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1653; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-                __Pyx_GOTREF(__pyx_t_10);
-                __pyx_t_16 = Py_TYPE(__pyx_t_10)->tp_iternext;
+                __pyx_t_13 = -1; __pyx_t_15 = PyObject_GetIter(__pyx_v_phrase_list); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1652; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                __Pyx_GOTREF(__pyx_t_15);
+                __pyx_t_16 = Py_TYPE(__pyx_t_15)->tp_iternext;
               }
               for (;;) {
-                if (!__pyx_t_16 && PyList_CheckExact(__pyx_t_10)) {
-                  if (__pyx_t_13 >= PyList_GET_SIZE(__pyx_t_10)) break;
-                  __pyx_t_14 = PyList_GET_ITEM(__pyx_t_10, __pyx_t_13); __Pyx_INCREF(__pyx_t_14); __pyx_t_13++;
-                } else if (!__pyx_t_16 && PyTuple_CheckExact(__pyx_t_10)) {
-                  if (__pyx_t_13 >= PyTuple_GET_SIZE(__pyx_t_10)) break;
-                  __pyx_t_14 = PyTuple_GET_ITEM(__pyx_t_10, __pyx_t_13); __Pyx_INCREF(__pyx_t_14); __pyx_t_13++;
+                if (!__pyx_t_16 && PyList_CheckExact(__pyx_t_15)) {
+                  if (__pyx_t_13 >= PyList_GET_SIZE(__pyx_t_15)) break;
+                  #if CYTHON_COMPILING_IN_CPYTHON
+                  __pyx_t_1 = PyList_GET_ITEM(__pyx_t_15, __pyx_t_13); __Pyx_INCREF(__pyx_t_1); __pyx_t_13++;
+                  #else
+                  __pyx_t_1 = PySequence_ITEM(__pyx_t_15, __pyx_t_13); __pyx_t_13++; if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1652; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
+                  #endif
+                } else if (!__pyx_t_16 && PyTuple_CheckExact(__pyx_t_15)) {
+                  if (__pyx_t_13 >= PyTuple_GET_SIZE(__pyx_t_15)) break;
+                  #if CYTHON_COMPILING_IN_CPYTHON
+                  __pyx_t_1 = PyTuple_GET_ITEM(__pyx_t_15, __pyx_t_13); __Pyx_INCREF(__pyx_t_1); __pyx_t_13++;
+                  #else
+                  __pyx_t_1 = PySequence_ITEM(__pyx_t_15, __pyx_t_13); __pyx_t_13++; if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1652; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
+                  #endif
                 } else {
-                  __pyx_t_14 = __pyx_t_16(__pyx_t_10);
-                  if (unlikely(!__pyx_t_14)) {
+                  __pyx_t_1 = __pyx_t_16(__pyx_t_15);
+                  if (unlikely(!__pyx_t_1)) {
                     if (PyErr_Occurred()) {
                       if (likely(PyErr_ExceptionMatches(PyExc_StopIteration))) PyErr_Clear();
-                      else {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1653; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                      else {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1652; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                     }
                     break;
                   }
-                  __Pyx_GOTREF(__pyx_t_14);
+                  __Pyx_GOTREF(__pyx_t_1);
                 }
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-                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1654
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-          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1657
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  *                                     extracts.append((fphr, phrase2, pair_count, tuple(als2)))
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-            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1658
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1657
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             if (__pyx_t_7) {
 
-              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1659
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@@ -51951,7 +51982,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
           }
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-            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1660
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1659
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-            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1661
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1660
  *                             ((not self.tight_phrases) or (f_links_low[f_high] != -1 and f_links_low[f_back_low] != -1))):
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@@ -51969,7 +52000,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
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             __pyx_v_met_constraints = 1;
 
-            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1662
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1661
  *                             f_x_high = f_high+self.train_min_gap_size
  *                             met_constraints = 1
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@@ -51978,7 +52009,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
  */
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-              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1663
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1662
  *                             met_constraints = 1
  *                             if self.tight_phrases:
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@@ -51995,7 +52026,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
                 }
                 if (!__pyx_t_18) break;
 
-                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1664
+                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1663
  *                             if self.tight_phrases:
  *                                 while f_x_high <= f_sent_len and f_links_low[f_x_high-1] == -1:
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             }
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-            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1665
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1664
  *                                 while f_x_high <= f_sent_len and f_links_low[f_x_high-1] == -1:
  *                                     f_x_high = f_x_high + 1
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             }
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-              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1666
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1665
  *                                     f_x_high = f_x_high + 1
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-            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1668
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-              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1669
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-              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1673
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1672
  *                                             e_low, e_high, &e_x_low, &e_x_high, &f_x_low, &f_x_high,
  *                                             f_sent_len, e_sent_len,
  *                                             self.train_max_initial_size, self.train_max_initial_size,             # <<<<<<<<<<<<<<
  *                                             1, 1, 1, 0, 1, 1, 0) and
  *                                 ((not self.tight_phrases) or f_links_low[f_x_high-1] != -1) and
  */
-              if (((struct __pyx_vtabstruct_8_cdec_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->find_fixpoint(__pyx_v_self, __pyx_v_f_back_low, __pyx_t_10, __pyx_v_f_links_low, __pyx_v_f_links_high, __pyx_v_e_links_low, __pyx_v_e_links_high, __pyx_v_e_low, __pyx_v_e_high, (&__pyx_v_e_x_low), (&__pyx_v_e_x_high), (&__pyx_v_f_x_low), (&__pyx_v_f_x_high), __pyx_v_f_sent_len, __pyx_v_e_sent_len, __pyx_v_self->train_max_initial_size, __pyx_v_self->train_max_initial_size, 1, 1, 1, 0, 1, 1, 0)) {
-                __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
+              if (((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->find_fixpoint(__pyx_v_self, __pyx_v_f_back_low, __pyx_t_15, __pyx_v_f_links_low, __pyx_v_f_links_high, __pyx_v_e_links_low, __pyx_v_e_links_high, __pyx_v_e_low, __pyx_v_e_high, (&__pyx_v_e_x_low), (&__pyx_v_e_x_high), (&__pyx_v_f_x_low), (&__pyx_v_f_x_high), __pyx_v_f_sent_len, __pyx_v_e_sent_len, __pyx_v_self->train_max_initial_size, __pyx_v_self->train_max_initial_size, 1, 1, 1, 0, 1, 1, 0)) {
+                __Pyx_DECREF(__pyx_t_15); __pyx_t_15 = 0;
 
-                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1675
+                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1674
  *                                             self.train_max_initial_size, self.train_max_initial_size,
  *                                             1, 1, 1, 0, 1, 1, 0) and
  *                                 ((not self.tight_phrases) or f_links_low[f_x_high-1] != -1) and             # <<<<<<<<<<<<<<
@@ -52081,32 +52112,32 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
                 }
                 if (__pyx_t_7) {
 
-                  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1676
+                  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1675
  *                                             1, 1, 1, 0, 1, 1, 0) and
  *                                 ((not self.tight_phrases) or f_links_low[f_x_high-1] != -1) and
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  *                                             f_links_low, f_links_high, e_links_low, e_links_high,
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-                  __pyx_t_15 = PyInt_FromLong(__pyx_v_f_x_high); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1676; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-                  __Pyx_GOTREF(__pyx_t_15);
+                  __pyx_t_14 = PyInt_FromLong(__pyx_v_f_x_high); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1675; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                  __Pyx_GOTREF(__pyx_t_14);
 
-                  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1681
+                  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1680
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-                  __Pyx_DECREF(__pyx_t_15); __pyx_t_15 = 0;
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+                  __Pyx_DECREF(__pyx_t_14); __pyx_t_14 = 0;
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                 __pyx_t_7 = __pyx_t_9;
               } else {
-                __pyx_t_7 = ((struct __pyx_vtabstruct_8_cdec_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->find_fixpoint(__pyx_v_self, __pyx_v_f_back_low, __pyx_t_10, __pyx_v_f_links_low, __pyx_v_f_links_high, __pyx_v_e_links_low, __pyx_v_e_links_high, __pyx_v_e_low, __pyx_v_e_high, (&__pyx_v_e_x_low), (&__pyx_v_e_x_high), (&__pyx_v_f_x_low), (&__pyx_v_f_x_high), __pyx_v_f_sent_len, __pyx_v_e_sent_len, __pyx_v_self->train_max_initial_size, __pyx_v_self->train_max_initial_size, 1, 1, 1, 0, 1, 1, 0);
-                __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
+                __pyx_t_7 = ((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->find_fixpoint(__pyx_v_self, __pyx_v_f_back_low, __pyx_t_15, __pyx_v_f_links_low, __pyx_v_f_links_high, __pyx_v_e_links_low, __pyx_v_e_links_high, __pyx_v_e_low, __pyx_v_e_high, (&__pyx_v_e_x_low), (&__pyx_v_e_x_high), (&__pyx_v_f_x_low), (&__pyx_v_f_x_high), __pyx_v_f_sent_len, __pyx_v_e_sent_len, __pyx_v_self->train_max_initial_size, __pyx_v_self->train_max_initial_size, 1, 1, 1, 0, 1, 1, 0);
+                __Pyx_DECREF(__pyx_t_15); __pyx_t_15 = 0;
               }
               __pyx_t_9 = __pyx_t_7;
             } else {
@@ -52114,16 +52145,16 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
             }
             if (__pyx_t_9) {
 
-              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1683
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1682
  *                                             self.train_max_initial_size, self.train_max_initial_size,
  *                                             0, 0, 0, 0, 0, 0, 0)):
  *                                 fphr_arr._clear()             # <<<<<<<<<<<<<<
  *                                 i = 1
  *                                 self.findexes.reset()
  */
-              ((struct __pyx_vtabstruct_8_cdec_sa_IntList *)__pyx_v_fphr_arr->__pyx_vtab)->_clear(__pyx_v_fphr_arr);
+              ((struct __pyx_vtabstruct_3_sa_IntList *)__pyx_v_fphr_arr->__pyx_vtab)->_clear(__pyx_v_fphr_arr);
 
-              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1684
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1683
  *                                             0, 0, 0, 0, 0, 0, 0)):
  *                                 fphr_arr._clear()
  *                                 i = 1             # <<<<<<<<<<<<<<
@@ -52132,21 +52163,21 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
  */
               __pyx_v_i = 1;
 
-              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1685
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1684
  *                                 fphr_arr._clear()
  *                                 i = 1
  *                                 self.findexes.reset()             # <<<<<<<<<<<<<<
  *                                 if f_back_low < f_low:
  *                                     fphr_arr._append(sym_setindex(self.category, i))
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-              __pyx_t_10 = PyObject_GetAttr(((PyObject *)__pyx_v_self->findexes), __pyx_n_s__reset); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1685; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-              __Pyx_GOTREF(__pyx_t_10);
-              __pyx_t_15 = PyObject_Call(__pyx_t_10, ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1685; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __pyx_t_15 = PyObject_GetAttr(((PyObject *)__pyx_v_self->findexes), __pyx_n_s__reset); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1684; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               __Pyx_GOTREF(__pyx_t_15);
-              __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
+              __pyx_t_14 = PyObject_Call(__pyx_t_15, ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1684; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __Pyx_GOTREF(__pyx_t_14);
               __Pyx_DECREF(__pyx_t_15); __pyx_t_15 = 0;
+              __Pyx_DECREF(__pyx_t_14); __pyx_t_14 = 0;
 
-              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1686
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1685
  *                                 i = 1
  *                                 self.findexes.reset()
  *                                 if f_back_low < f_low:             # <<<<<<<<<<<<<<
@@ -52156,16 +52187,16 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
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               if (__pyx_t_9) {
 
-                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1687
+                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1686
  *                                 self.findexes.reset()
  *                                 if f_back_low < f_low:
  *                                     fphr_arr._append(sym_setindex(self.category, i))             # <<<<<<<<<<<<<<
  *                                     i = i+1
  *                                     self.findexes.append(sym_setindex(self.category, i))
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-                ((struct __pyx_vtabstruct_8_cdec_sa_IntList *)__pyx_v_fphr_arr->__pyx_vtab)->_append(__pyx_v_fphr_arr, __pyx_f_8_cdec_sa_sym_setindex(__pyx_v_self->category, __pyx_v_i));
+                ((struct __pyx_vtabstruct_3_sa_IntList *)__pyx_v_fphr_arr->__pyx_vtab)->_append(__pyx_v_fphr_arr, __pyx_f_3_sa_sym_setindex(__pyx_v_self->category, __pyx_v_i));
 
-                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1688
+                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1687
  *                                 if f_back_low < f_low:
  *                                     fphr_arr._append(sym_setindex(self.category, i))
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  */
                 __pyx_v_i = (__pyx_v_i + 1);
 
-                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1689
+                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1688
  *                                     fphr_arr._append(sym_setindex(self.category, i))
  *                                     i = i+1
  *                                     self.findexes.append(sym_setindex(self.category, i))             # <<<<<<<<<<<<<<
  *                                 self.findexes.extend(self.findexes1)
  *                                 for j from 0 <= j < phrase.n:
  */
-                __pyx_t_15 = PyInt_FromLong(__pyx_f_8_cdec_sa_sym_setindex(__pyx_v_self->category, __pyx_v_i)); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1689; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                __pyx_t_14 = PyInt_FromLong(__pyx_f_3_sa_sym_setindex(__pyx_v_self->category, __pyx_v_i)); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1688; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                __Pyx_GOTREF(__pyx_t_14);
+                __pyx_t_15 = __Pyx_PyObject_Append(((PyObject *)__pyx_v_self->findexes), __pyx_t_14); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1688; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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-                __pyx_t_10 = __Pyx_PyObject_Append(((PyObject *)__pyx_v_self->findexes), __pyx_t_15); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1689; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-                __Pyx_GOTREF(__pyx_t_10);
+                __Pyx_DECREF(__pyx_t_14); __pyx_t_14 = 0;
                 __Pyx_DECREF(__pyx_t_15); __pyx_t_15 = 0;
-                __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
                 goto __pyx_L85;
               }
               __pyx_L85:;
 
-              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1690
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1689
  *                                     i = i+1
  *                                     self.findexes.append(sym_setindex(self.category, i))
  *                                 self.findexes.extend(self.findexes1)             # <<<<<<<<<<<<<<
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-              __pyx_t_10 = PyObject_GetAttr(((PyObject *)__pyx_v_self->findexes), __pyx_n_s__extend); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1690; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+              __pyx_t_15 = PyObject_GetAttr(((PyObject *)__pyx_v_self->findexes), __pyx_n_s__extend); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1689; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               __Pyx_GOTREF(__pyx_t_15);
+              __pyx_t_14 = PyTuple_New(1); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1689; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __Pyx_GOTREF(__pyx_t_14);
               __Pyx_INCREF(((PyObject *)__pyx_v_self->findexes1));
-              PyTuple_SET_ITEM(__pyx_t_15, 0, ((PyObject *)__pyx_v_self->findexes1));
+              PyTuple_SET_ITEM(__pyx_t_14, 0, ((PyObject *)__pyx_v_self->findexes1));
               __Pyx_GIVEREF(((PyObject *)__pyx_v_self->findexes1));
-              __pyx_t_14 = PyObject_Call(__pyx_t_10, ((PyObject *)__pyx_t_15), NULL); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1690; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-              __Pyx_GOTREF(__pyx_t_14);
-              __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
-              __Pyx_DECREF(((PyObject *)__pyx_t_15)); __pyx_t_15 = 0;
-              __Pyx_DECREF(__pyx_t_14); __pyx_t_14 = 0;
+              __pyx_t_1 = PyObject_Call(__pyx_t_15, ((PyObject *)__pyx_t_14), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1689; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __Pyx_GOTREF(__pyx_t_1);
+              __Pyx_DECREF(__pyx_t_15); __pyx_t_15 = 0;
+              __Pyx_DECREF(((PyObject *)__pyx_t_14)); __pyx_t_14 = 0;
+              __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
 
-              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1691
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1690
  *                                     self.findexes.append(sym_setindex(self.category, i))
  *                                 self.findexes.extend(self.findexes1)
  *                                 for j from 0 <= j < phrase.n:             # <<<<<<<<<<<<<<
@@ -52221,40 +52252,26 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
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-                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1692
+                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1691
  *                                 self.findexes.extend(self.findexes1)
  *                                 for j from 0 <= j < phrase.n:
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  *                                         i = i + 1
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-                __Pyx_GOTREF(__pyx_t_14);
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-                __Pyx_GOTREF(__pyx_t_15);
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-                PyTuple_SET_ITEM(__pyx_t_10, 0, __pyx_t_15);
-                __Pyx_GIVEREF(__pyx_t_15);
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-                __Pyx_GOTREF(__pyx_t_15);
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-                __pyx_t_9 = __Pyx_PyObject_IsTrue(__pyx_t_15); if (unlikely(__pyx_t_9 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1692; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-                __Pyx_DECREF(__pyx_t_15); __pyx_t_15 = 0;
-                if (__pyx_t_9) {
+                __pyx_t_4 = __pyx_f_3_sa_sym_isvar((__pyx_v_phrase->syms[__pyx_v_j]));
+                if (__pyx_t_4) {
 
-                  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1693
+                  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1692
  *                                 for j from 0 <= j < phrase.n:
  *                                     if sym_isvar(phrase.syms[j]):
  *                                         fphr_arr._append(sym_setindex(self.category, i))             # <<<<<<<<<<<<<<
  *                                         i = i + 1
  *                                     else:
  */
-                  ((struct __pyx_vtabstruct_8_cdec_sa_IntList *)__pyx_v_fphr_arr->__pyx_vtab)->_append(__pyx_v_fphr_arr, __pyx_f_8_cdec_sa_sym_setindex(__pyx_v_self->category, __pyx_v_i));
+                  ((struct __pyx_vtabstruct_3_sa_IntList *)__pyx_v_fphr_arr->__pyx_vtab)->_append(__pyx_v_fphr_arr, __pyx_f_3_sa_sym_setindex(__pyx_v_self->category, __pyx_v_i));
 
-                  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1694
+                  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1693
  *                                     if sym_isvar(phrase.syms[j]):
  *                                         fphr_arr._append(sym_setindex(self.category, i))
  *                                         i = i + 1             # <<<<<<<<<<<<<<
@@ -52266,102 +52283,102 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
                 }
                 /*else*/ {
 
-                  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1696
+                  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1695
  *                                         i = i + 1
  *                                     else:
  *                                         fphr_arr._append(phrase.syms[j])             # <<<<<<<<<<<<<<
  *                                 fphr_arr._append(sym_setindex(self.category, i))
  *                                 self.findexes.append(sym_setindex(self.category, i))
  */
-                  ((struct __pyx_vtabstruct_8_cdec_sa_IntList *)__pyx_v_fphr_arr->__pyx_vtab)->_append(__pyx_v_fphr_arr, (__pyx_v_phrase->syms[__pyx_v_j]));
+                  ((struct __pyx_vtabstruct_3_sa_IntList *)__pyx_v_fphr_arr->__pyx_vtab)->_append(__pyx_v_fphr_arr, (__pyx_v_phrase->syms[__pyx_v_j]));
                 }
                 __pyx_L88:;
               }
 
-              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1697
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1696
  *                                     else:
  *                                         fphr_arr._append(phrase.syms[j])
  *                                 fphr_arr._append(sym_setindex(self.category, i))             # <<<<<<<<<<<<<<
  *                                 self.findexes.append(sym_setindex(self.category, i))
  *                                 fphr = Phrase(fphr_arr)
  */
-              ((struct __pyx_vtabstruct_8_cdec_sa_IntList *)__pyx_v_fphr_arr->__pyx_vtab)->_append(__pyx_v_fphr_arr, __pyx_f_8_cdec_sa_sym_setindex(__pyx_v_self->category, __pyx_v_i));
+              ((struct __pyx_vtabstruct_3_sa_IntList *)__pyx_v_fphr_arr->__pyx_vtab)->_append(__pyx_v_fphr_arr, __pyx_f_3_sa_sym_setindex(__pyx_v_self->category, __pyx_v_i));
 
-              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1698
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1697
  *                                         fphr_arr._append(phrase.syms[j])
  *                                 fphr_arr._append(sym_setindex(self.category, i))
  *                                 self.findexes.append(sym_setindex(self.category, i))             # <<<<<<<<<<<<<<
  *                                 fphr = Phrase(fphr_arr)
  *                                 phrase_list = self.extract_phrases(e_x_low, e_x_high, e_gap_low+gap_start, e_gap_high+gap_start, e_links_low, num_gaps+1,
  */
-              __pyx_t_15 = PyInt_FromLong(__pyx_f_8_cdec_sa_sym_setindex(__pyx_v_self->category, __pyx_v_i)); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1698; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-              __Pyx_GOTREF(__pyx_t_15);
-              __pyx_t_10 = __Pyx_PyObject_Append(((PyObject *)__pyx_v_self->findexes), __pyx_t_15); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1698; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-              __Pyx_GOTREF(__pyx_t_10);
-              __Pyx_DECREF(__pyx_t_15); __pyx_t_15 = 0;
-              __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
+              __pyx_t_1 = PyInt_FromLong(__pyx_f_3_sa_sym_setindex(__pyx_v_self->category, __pyx_v_i)); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1697; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __Pyx_GOTREF(__pyx_t_1);
+              __pyx_t_14 = __Pyx_PyObject_Append(((PyObject *)__pyx_v_self->findexes), __pyx_t_1); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1697; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __Pyx_GOTREF(__pyx_t_14);
+              __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+              __Pyx_DECREF(__pyx_t_14); __pyx_t_14 = 0;
 
-              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1699
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1698
  *                                 fphr_arr._append(sym_setindex(self.category, i))
  *                                 self.findexes.append(sym_setindex(self.category, i))
  *                                 fphr = Phrase(fphr_arr)             # <<<<<<<<<<<<<<
  *                                 phrase_list = self.extract_phrases(e_x_low, e_x_high, e_gap_low+gap_start, e_gap_high+gap_start, e_links_low, num_gaps+1,
  *                                                     f_x_low, f_x_high, f_gap_low+gap_start, f_gap_high+gap_start, f_links_low,
  */
-              __pyx_t_10 = PyTuple_New(1); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1699; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-              __Pyx_GOTREF(__pyx_t_10);
+              __pyx_t_14 = PyTuple_New(1); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1698; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __Pyx_GOTREF(__pyx_t_14);
               __Pyx_INCREF(((PyObject *)__pyx_v_fphr_arr));
-              PyTuple_SET_ITEM(__pyx_t_10, 0, ((PyObject *)__pyx_v_fphr_arr));
+              PyTuple_SET_ITEM(__pyx_t_14, 0, ((PyObject *)__pyx_v_fphr_arr));
               __Pyx_GIVEREF(((PyObject *)__pyx_v_fphr_arr));
-              __pyx_t_15 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_8_cdec_sa_Phrase)), ((PyObject *)__pyx_t_10), NULL); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1699; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-              __Pyx_GOTREF(__pyx_t_15);
-              __Pyx_DECREF(((PyObject *)__pyx_t_10)); __pyx_t_10 = 0;
+              __pyx_t_1 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_Phrase)), ((PyObject *)__pyx_t_14), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1698; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __Pyx_GOTREF(__pyx_t_1);
+              __Pyx_DECREF(((PyObject *)__pyx_t_14)); __pyx_t_14 = 0;
               __Pyx_DECREF(((PyObject *)__pyx_v_fphr));
-              __pyx_v_fphr = ((struct __pyx_obj_8_cdec_sa_Phrase *)__pyx_t_15);
-              __pyx_t_15 = 0;
+              __pyx_v_fphr = ((struct __pyx_obj_3_sa_Phrase *)__pyx_t_1);
+              __pyx_t_1 = 0;
 
-              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1702
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1701
  *                                 phrase_list = self.extract_phrases(e_x_low, e_x_high, e_gap_low+gap_start, e_gap_high+gap_start, e_links_low, num_gaps+1,
  *                                                     f_x_low, f_x_high, f_gap_low+gap_start, f_gap_high+gap_start, f_links_low,
  *                                                     matching.sent_id, e_sent_len, e_sent_start)             # <<<<<<<<<<<<<<
  *                                 if len(phrase_list) > 0:
  *                                     pair_count = 1.0 / len(phrase_list)
  */
-              __pyx_t_15 = ((struct __pyx_vtabstruct_8_cdec_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->extract_phrases(__pyx_v_self, __pyx_v_e_x_low, __pyx_v_e_x_high, (__pyx_v_e_gap_low + __pyx_v_gap_start), (__pyx_v_e_gap_high + __pyx_v_gap_start), __pyx_v_e_links_low, (__pyx_v_num_gaps + 1), __pyx_v_f_x_low, __pyx_v_f_x_high, (__pyx_v_f_gap_low + __pyx_v_gap_start), (__pyx_v_f_gap_high + __pyx_v_gap_start), __pyx_v_f_links_low, __pyx_v_matching->sent_id, __pyx_v_e_sent_len, __pyx_v_e_sent_start); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1700; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-              __Pyx_GOTREF(__pyx_t_15);
+              __pyx_t_1 = ((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->extract_phrases(__pyx_v_self, __pyx_v_e_x_low, __pyx_v_e_x_high, (__pyx_v_e_gap_low + __pyx_v_gap_start), (__pyx_v_e_gap_high + __pyx_v_gap_start), __pyx_v_e_links_low, (__pyx_v_num_gaps + 1), __pyx_v_f_x_low, __pyx_v_f_x_high, (__pyx_v_f_gap_low + __pyx_v_gap_start), (__pyx_v_f_gap_high + __pyx_v_gap_start), __pyx_v_f_links_low, __pyx_v_matching->sent_id, __pyx_v_e_sent_len, __pyx_v_e_sent_start); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1699; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __Pyx_GOTREF(__pyx_t_1);
               __Pyx_XDECREF(__pyx_v_phrase_list);
-              __pyx_v_phrase_list = __pyx_t_15;
-              __pyx_t_15 = 0;
+              __pyx_v_phrase_list = __pyx_t_1;
+              __pyx_t_1 = 0;
 
-              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1703
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1702
  *                                                     f_x_low, f_x_high, f_gap_low+gap_start, f_gap_high+gap_start, f_links_low,
  *                                                     matching.sent_id, e_sent_len, e_sent_start)
  *                                 if len(phrase_list) > 0:             # <<<<<<<<<<<<<<
  *                                     pair_count = 1.0 / len(phrase_list)
  *                                 else:
  */
-              __pyx_t_13 = PyObject_Length(__pyx_v_phrase_list); if (unlikely(__pyx_t_13 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1703; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __pyx_t_13 = PyObject_Length(__pyx_v_phrase_list); if (unlikely(__pyx_t_13 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1702; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               __pyx_t_9 = (__pyx_t_13 > 0);
               if (__pyx_t_9) {
 
-                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1704
+                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1703
  *                                                     matching.sent_id, e_sent_len, e_sent_start)
  *                                 if len(phrase_list) > 0:
  *                                     pair_count = 1.0 / len(phrase_list)             # <<<<<<<<<<<<<<
  *                                 else:
  *                                     pair_count = 0
  */
-                __pyx_t_13 = PyObject_Length(__pyx_v_phrase_list); if (unlikely(__pyx_t_13 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1704; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                __pyx_t_13 = PyObject_Length(__pyx_v_phrase_list); if (unlikely(__pyx_t_13 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1703; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                 if (unlikely(__pyx_t_13 == 0)) {
                   PyErr_Format(PyExc_ZeroDivisionError, "float division");
-                  {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1704; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                  {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1703; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                 }
                 __pyx_v_pair_count = (1.0 / __pyx_t_13);
                 goto __pyx_L89;
               }
               /*else*/ {
 
-                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1706
+                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1705
  *                                     pair_count = 1.0 / len(phrase_list)
  *                                 else:
  *                                     pair_count = 0             # <<<<<<<<<<<<<<
@@ -52372,7 +52389,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
               }
               __pyx_L89:;
 
-              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1707
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1706
  *                                 else:
  *                                     pair_count = 0
  *                                 for phrase2, eindexes in phrase_list:             # <<<<<<<<<<<<<<
@@ -52380,133 +52397,148 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
  *                                     extracts.append((fphr, phrase2, pair_count, tuple(als3)))
  */
               if (PyList_CheckExact(__pyx_v_phrase_list) || PyTuple_CheckExact(__pyx_v_phrase_list)) {
-                __pyx_t_15 = __pyx_v_phrase_list; __Pyx_INCREF(__pyx_t_15); __pyx_t_13 = 0;
+                __pyx_t_1 = __pyx_v_phrase_list; __Pyx_INCREF(__pyx_t_1); __pyx_t_13 = 0;
                 __pyx_t_16 = NULL;
               } else {
-                __pyx_t_13 = -1; __pyx_t_15 = PyObject_GetIter(__pyx_v_phrase_list); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1707; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-                __Pyx_GOTREF(__pyx_t_15);
-                __pyx_t_16 = Py_TYPE(__pyx_t_15)->tp_iternext;
+                __pyx_t_13 = -1; __pyx_t_1 = PyObject_GetIter(__pyx_v_phrase_list); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1706; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                __Pyx_GOTREF(__pyx_t_1);
+                __pyx_t_16 = Py_TYPE(__pyx_t_1)->tp_iternext;
               }
               for (;;) {
-                if (!__pyx_t_16 && PyList_CheckExact(__pyx_t_15)) {
-                  if (__pyx_t_13 >= PyList_GET_SIZE(__pyx_t_15)) break;
-                  __pyx_t_10 = PyList_GET_ITEM(__pyx_t_15, __pyx_t_13); __Pyx_INCREF(__pyx_t_10); __pyx_t_13++;
-                } else if (!__pyx_t_16 && PyTuple_CheckExact(__pyx_t_15)) {
-                  if (__pyx_t_13 >= PyTuple_GET_SIZE(__pyx_t_15)) break;
-                  __pyx_t_10 = PyTuple_GET_ITEM(__pyx_t_15, __pyx_t_13); __Pyx_INCREF(__pyx_t_10); __pyx_t_13++;
+                if (!__pyx_t_16 && PyList_CheckExact(__pyx_t_1)) {
+                  if (__pyx_t_13 >= PyList_GET_SIZE(__pyx_t_1)) break;
+                  #if CYTHON_COMPILING_IN_CPYTHON
+                  __pyx_t_14 = PyList_GET_ITEM(__pyx_t_1, __pyx_t_13); __Pyx_INCREF(__pyx_t_14); __pyx_t_13++;
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+                  #endif
+                } else if (!__pyx_t_16 && PyTuple_CheckExact(__pyx_t_1)) {
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+                  #if CYTHON_COMPILING_IN_CPYTHON
+                  __pyx_t_14 = PyTuple_GET_ITEM(__pyx_t_1, __pyx_t_13); __Pyx_INCREF(__pyx_t_14); __pyx_t_13++;
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+                  __pyx_t_14 = PySequence_ITEM(__pyx_t_1, __pyx_t_13); __pyx_t_13++; if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1706; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
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                 } else {
-                  __pyx_t_10 = __pyx_t_16(__pyx_t_15);
-                  if (unlikely(!__pyx_t_10)) {
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                     if (PyErr_Occurred()) {
                       if (likely(PyErr_ExceptionMatches(PyExc_StopIteration))) PyErr_Clear();
-                      else {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1707; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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                     }
                     break;
                   }
-                  __Pyx_GOTREF(__pyx_t_10);
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                 }
-                if ((likely(PyTuple_CheckExact(__pyx_t_10))) || (PyList_CheckExact(__pyx_t_10))) {
-                  PyObject* sequence = __pyx_t_10;
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                   if (likely(PyTuple_CheckExact(sequence))) {
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-                      if (PyTuple_GET_SIZE(sequence) > 2) __Pyx_RaiseTooManyValuesError(2);
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-                    }
-                    __pyx_t_14 = PyTuple_GET_ITEM(sequence, 0); 
-                    __pyx_t_1 = PyTuple_GET_ITEM(sequence, 1); 
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-                    }
-                    __pyx_t_14 = PyList_GET_ITEM(sequence, 0); 
-                    __pyx_t_1 = PyList_GET_ITEM(sequence, 1); 
+                    __pyx_t_15 = PyList_GET_ITEM(sequence, 0); 
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-                  __Pyx_INCREF(__pyx_t_14);
-                  __Pyx_INCREF(__pyx_t_1);
-                  __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
-                } else {
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-                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1708
+                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1707
  *                                     pair_count = 0
  *                                 for phrase2, eindexes in phrase_list:
  *                                     als3 = self.create_alignments(sent_links,num_links,self.findexes,eindexes)             # <<<<<<<<<<<<<<
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-                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1709
+                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1708
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                 __Pyx_INCREF(((PyObject *)__pyx_v_fphr));
-                PyTuple_SET_ITEM(__pyx_t_10, 0, ((PyObject *)__pyx_v_fphr));
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-                PyTuple_SET_ITEM(__pyx_t_10, 1, __pyx_v_phrase2);
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             __pyx_L84:;
@@ -52514,7 +52546,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
           }
           __pyx_L79:;
 
-          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1710
+          /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1709
  *                                     als3 = self.create_alignments(sent_links,num_links,self.findexes,eindexes)
  *                                     extracts.append((fphr, phrase2, pair_count, tuple(als3)))
  *                         if (num_gaps < self.max_nonterminals - 1 and             # <<<<<<<<<<<<<<
@@ -52524,7 +52556,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
           __pyx_t_9 = (__pyx_v_num_gaps < (__pyx_v_self->max_nonterminals - 1));
           if (__pyx_t_9) {
 
-            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1711
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1710
  *                                     extracts.append((fphr, phrase2, pair_count, tuple(als3)))
  *                         if (num_gaps < self.max_nonterminals - 1 and
  *                             phrase_len+1 < self.max_length and             # <<<<<<<<<<<<<<
@@ -52534,7 +52566,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
             __pyx_t_7 = ((__pyx_v_phrase_len + 1) < __pyx_v_self->max_length);
             if (__pyx_t_7) {
 
-              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1712
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1711
  *                         if (num_gaps < self.max_nonterminals - 1 and
  *                             phrase_len+1 < self.max_length and
  *                             f_back_high == f_high and             # <<<<<<<<<<<<<<
@@ -52544,7 +52576,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
               __pyx_t_18 = (__pyx_v_f_back_high == __pyx_v_f_high);
               if (__pyx_t_18) {
 
-                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1713
+                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1712
  *                             phrase_len+1 < self.max_length and
  *                             f_back_high == f_high and
  *                             f_back_low == f_low and             # <<<<<<<<<<<<<<
@@ -52554,7 +52586,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
                 __pyx_t_8 = (__pyx_v_f_back_low == __pyx_v_f_low);
                 if (__pyx_t_8) {
 
-                  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1714
+                  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1713
  *                             f_back_high == f_high and
  *                             f_back_low == f_low and
  *                             f_back_high - f_back_low + (2*self.train_min_gap_size) <= self.train_max_initial_size and             # <<<<<<<<<<<<<<
@@ -52564,7 +52596,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
                   __pyx_t_19 = (((__pyx_v_f_back_high - __pyx_v_f_back_low) + (2 * __pyx_v_self->train_min_gap_size)) <= __pyx_v_self->train_max_initial_size);
                   if (__pyx_t_19) {
 
-                    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1715
+                    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1714
  *                             f_back_low == f_low and
  *                             f_back_high - f_back_low + (2*self.train_min_gap_size) <= self.train_max_initial_size and
  *                             f_low >= self.train_min_gap_size and             # <<<<<<<<<<<<<<
@@ -52574,7 +52606,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
                     __pyx_t_20 = (__pyx_v_f_low >= __pyx_v_self->train_min_gap_size);
                     if (__pyx_t_20) {
 
-                      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1716
+                      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1715
  *                             f_back_high - f_back_low + (2*self.train_min_gap_size) <= self.train_max_initial_size and
  *                             f_low >= self.train_min_gap_size and
  *                             f_high <= f_sent_len - self.train_min_gap_size and             # <<<<<<<<<<<<<<
@@ -52584,7 +52616,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
                       __pyx_t_21 = (__pyx_v_f_high <= (__pyx_v_f_sent_len - __pyx_v_self->train_min_gap_size));
                       if (__pyx_t_21) {
 
-                        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1717
+                        /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1716
  *                             f_low >= self.train_min_gap_size and
  *                             f_high <= f_sent_len - self.train_min_gap_size and
  *                             ((not self.tight_phrases) or (f_links_low[f_low-1] != -1 and f_links_low[f_high] != -1))):             # <<<<<<<<<<<<<<
@@ -52634,7 +52666,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
           }
           if (__pyx_t_7) {
 
-            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1719
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1718
  *                             ((not self.tight_phrases) or (f_links_low[f_low-1] != -1 and f_links_low[f_high] != -1))):
  * 
  *                             met_constraints = 1             # <<<<<<<<<<<<<<
@@ -52643,7 +52675,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
  */
             __pyx_v_met_constraints = 1;
 
-            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1720
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1719
  * 
  *                             met_constraints = 1
  *                             f_x_low = f_low-self.train_min_gap_size             # <<<<<<<<<<<<<<
@@ -52652,7 +52684,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
  */
             __pyx_v_f_x_low = (__pyx_v_f_low - __pyx_v_self->train_min_gap_size);
 
-            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1721
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1720
  *                             met_constraints = 1
  *                             f_x_low = f_low-self.train_min_gap_size
  *                             if self.tight_phrases:             # <<<<<<<<<<<<<<
@@ -52661,7 +52693,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
  */
             if (__pyx_v_self->tight_phrases) {
 
-              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1722
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1721
  *                             f_x_low = f_low-self.train_min_gap_size
  *                             if self.tight_phrases:
  *                                 while f_x_low >= 0 and f_links_low[f_x_low] == -1:             # <<<<<<<<<<<<<<
@@ -52678,7 +52710,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
                 }
                 if (!__pyx_t_18) break;
 
-                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1723
+                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1722
  *                             if self.tight_phrases:
  *                                 while f_x_low >= 0 and f_links_low[f_x_low] == -1:
  *                                     f_x_low = f_x_low - 1             # <<<<<<<<<<<<<<
@@ -52691,7 +52723,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
             }
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-            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1724
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1723
  *                                 while f_x_low >= 0 and f_links_low[f_x_low] == -1:
  *                                     f_x_low = f_x_low - 1
  *                             if f_x_low < 0:             # <<<<<<<<<<<<<<
@@ -52701,7 +52733,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
             __pyx_t_18 = (__pyx_v_f_x_low < 0);
             if (__pyx_t_18) {
 
-              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1725
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1724
  *                                     f_x_low = f_x_low - 1
  *                             if f_x_low < 0:
  *                                 met_constraints = 0             # <<<<<<<<<<<<<<
@@ -52713,7 +52745,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
             }
             __pyx_L98:;
 
-            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1727
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1726
  *                                 met_constraints = 0
  * 
  *                             f_x_high = f_high+self.train_min_gap_size             # <<<<<<<<<<<<<<
@@ -52722,7 +52754,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
  */
             __pyx_v_f_x_high = (__pyx_v_f_high + __pyx_v_self->train_min_gap_size);
 
-            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1728
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1727
  * 
  *                             f_x_high = f_high+self.train_min_gap_size
  *                             if self.tight_phrases:             # <<<<<<<<<<<<<<
@@ -52731,7 +52763,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
  */
             if (__pyx_v_self->tight_phrases) {
 
-              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1729
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1728
  *                             f_x_high = f_high+self.train_min_gap_size
  *                             if self.tight_phrases:
  *                                 while f_x_high <= f_sent_len and f_links_low[f_x_high-1] == -1:             # <<<<<<<<<<<<<<
@@ -52748,7 +52780,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
                 }
                 if (!__pyx_t_9) break;
 
-                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1730
+                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1729
  *                             if self.tight_phrases:
  *                                 while f_x_high <= f_sent_len and f_links_low[f_x_high-1] == -1:
  *                                     f_x_high = f_x_high + 1             # <<<<<<<<<<<<<<
@@ -52761,7 +52793,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
             }
             __pyx_L99:;
 
-            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1731
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1730
  *                                 while f_x_high <= f_sent_len and f_links_low[f_x_high-1] == -1:
  *                                     f_x_high = f_x_high + 1
  *                             if f_x_high > f_sent_len or f_x_high - f_x_low > self.train_max_initial_size:             # <<<<<<<<<<<<<<
@@ -52777,7 +52809,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
             }
             if (__pyx_t_7) {
 
-              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1732
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1731
  *                                     f_x_high = f_x_high + 1
  *                             if f_x_high > f_sent_len or f_x_high - f_x_low > self.train_max_initial_size:
  *                                 met_constraints = 0             # <<<<<<<<<<<<<<
@@ -52789,7 +52821,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
             }
             __pyx_L102:;
 
-            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1734
+            /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1733
  *                                 met_constraints = 0
  * 
  *                             if (met_constraints and             # <<<<<<<<<<<<<<
@@ -52798,27 +52830,27 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
  */
             if (__pyx_v_met_constraints) {
 
-              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1735
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1734
  * 
  *                             if (met_constraints and
  *                                 self.find_fixpoint(f_x_low, f_x_high,             # <<<<<<<<<<<<<<
  *                                                 f_links_low, f_links_high, e_links_low, e_links_high,
  *                                                 e_low, e_high, &e_x_low, &e_x_high, &f_x_low, &f_x_high,
  */
-              __pyx_t_15 = PyInt_FromLong(__pyx_v_f_x_high); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1735; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-              __Pyx_GOTREF(__pyx_t_15);
+              __pyx_t_1 = PyInt_FromLong(__pyx_v_f_x_high); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1734; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __Pyx_GOTREF(__pyx_t_1);
 
-              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1739
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1738
  *                                                 e_low, e_high, &e_x_low, &e_x_high, &f_x_low, &f_x_high,
  *                                                 f_sent_len, e_sent_len,
  *                                                 self.train_max_initial_size, self.train_max_initial_size,             # <<<<<<<<<<<<<<
  *                                                 1, 1, 2, 1, 1, 1, 1) and
  *                                 ((not self.tight_phrases) or (f_links_low[f_x_low] != -1 and f_links_low[f_x_high-1] != -1)) and
  */
-              if (((struct __pyx_vtabstruct_8_cdec_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->find_fixpoint(__pyx_v_self, __pyx_v_f_x_low, __pyx_t_15, __pyx_v_f_links_low, __pyx_v_f_links_high, __pyx_v_e_links_low, __pyx_v_e_links_high, __pyx_v_e_low, __pyx_v_e_high, (&__pyx_v_e_x_low), (&__pyx_v_e_x_high), (&__pyx_v_f_x_low), (&__pyx_v_f_x_high), __pyx_v_f_sent_len, __pyx_v_e_sent_len, __pyx_v_self->train_max_initial_size, __pyx_v_self->train_max_initial_size, 1, 1, 2, 1, 1, 1, 1)) {
-                __Pyx_DECREF(__pyx_t_15); __pyx_t_15 = 0;
+              if (((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->find_fixpoint(__pyx_v_self, __pyx_v_f_x_low, __pyx_t_1, __pyx_v_f_links_low, __pyx_v_f_links_high, __pyx_v_e_links_low, __pyx_v_e_links_high, __pyx_v_e_low, __pyx_v_e_high, (&__pyx_v_e_x_low), (&__pyx_v_e_x_high), (&__pyx_v_f_x_low), (&__pyx_v_f_x_high), __pyx_v_f_sent_len, __pyx_v_e_sent_len, __pyx_v_self->train_max_initial_size, __pyx_v_self->train_max_initial_size, 1, 1, 2, 1, 1, 1, 1)) {
+                __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
 
-                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1741
+                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1740
  *                                                 self.train_max_initial_size, self.train_max_initial_size,
  *                                                 1, 1, 2, 1, 1, 1, 1) and
  *                                 ((not self.tight_phrases) or (f_links_low[f_x_low] != -1 and f_links_low[f_x_high-1] != -1)) and             # <<<<<<<<<<<<<<
@@ -52840,46 +52872,46 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
                 }
                 if (__pyx_t_9) {
 
-                  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1742
+                  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1741
  *                                                 1, 1, 2, 1, 1, 1, 1) and
  *                                 ((not self.tight_phrases) or (f_links_low[f_x_low] != -1 and f_links_low[f_x_high-1] != -1)) and
  *                                 self.find_fixpoint(f_x_low, f_low,             # <<<<<<<<<<<<<<
  *                                                 f_links_low, f_links_high, e_links_low, e_links_high,
  *                                                 -1, -1, e_gap_low, e_gap_high, f_gap_low, f_gap_high,
  */
-                  __pyx_t_14 = PyInt_FromLong(__pyx_v_f_low); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1742; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-                  __Pyx_GOTREF(__pyx_t_14);
+                  __pyx_t_15 = PyInt_FromLong(__pyx_v_f_low); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1741; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                  __Pyx_GOTREF(__pyx_t_15);
 
-                  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1746
+                  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1745
  *                                                 -1, -1, e_gap_low, e_gap_high, f_gap_low, f_gap_high,
  *                                                 f_sent_len, e_sent_len,
  *                                                 self.train_max_initial_size, self.train_max_initial_size,             # <<<<<<<<<<<<<<
  *                                                 0, 0, 0, 0, 0, 0, 0) and
  *                                 self.find_fixpoint(f_high, f_x_high,
  */
-                  __pyx_t_3 = ((struct __pyx_vtabstruct_8_cdec_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->find_fixpoint(__pyx_v_self, __pyx_v_f_x_low, __pyx_t_14, __pyx_v_f_links_low, __pyx_v_f_links_high, __pyx_v_e_links_low, __pyx_v_e_links_high, -1, -1, __pyx_v_e_gap_low, __pyx_v_e_gap_high, __pyx_v_f_gap_low, __pyx_v_f_gap_high, __pyx_v_f_sent_len, __pyx_v_e_sent_len, __pyx_v_self->train_max_initial_size, __pyx_v_self->train_max_initial_size, 0, 0, 0, 0, 0, 0, 0);
-                  __Pyx_DECREF(__pyx_t_14); __pyx_t_14 = 0;
+                  __pyx_t_3 = ((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->find_fixpoint(__pyx_v_self, __pyx_v_f_x_low, __pyx_t_15, __pyx_v_f_links_low, __pyx_v_f_links_high, __pyx_v_e_links_low, __pyx_v_e_links_high, -1, -1, __pyx_v_e_gap_low, __pyx_v_e_gap_high, __pyx_v_f_gap_low, __pyx_v_f_gap_high, __pyx_v_f_sent_len, __pyx_v_e_sent_len, __pyx_v_self->train_max_initial_size, __pyx_v_self->train_max_initial_size, 0, 0, 0, 0, 0, 0, 0);
+                  __Pyx_DECREF(__pyx_t_15); __pyx_t_15 = 0;
                   if (__pyx_t_3) {
 
-                    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1748
+                    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1747
  *                                                 self.train_max_initial_size, self.train_max_initial_size,
  *                                                 0, 0, 0, 0, 0, 0, 0) and
  *                                 self.find_fixpoint(f_high, f_x_high,             # <<<<<<<<<<<<<<
  *                                                 f_links_low, f_links_high, e_links_low, e_links_high,
  *                                                 -1, -1, e_gap_low+1+num_gaps, e_gap_high+1+num_gaps,
  */
-                    __pyx_t_14 = PyInt_FromLong(__pyx_v_f_x_high); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1748; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-                    __Pyx_GOTREF(__pyx_t_14);
+                    __pyx_t_15 = PyInt_FromLong(__pyx_v_f_x_high); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1747; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                    __Pyx_GOTREF(__pyx_t_15);
 
-                    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1753
+                    /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1752
  *                                                 f_gap_low+1+num_gaps, f_gap_high+1+num_gaps,
  *                                                 f_sent_len, e_sent_len,
  *                                                 self.train_max_initial_size, self.train_max_initial_size,             # <<<<<<<<<<<<<<
  *                                                 0, 0, 0, 0, 0, 0, 0)):
  *                                 fphr_arr._clear()
  */
-                    __pyx_t_4 = ((struct __pyx_vtabstruct_8_cdec_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->find_fixpoint(__pyx_v_self, __pyx_v_f_high, __pyx_t_14, __pyx_v_f_links_low, __pyx_v_f_links_high, __pyx_v_e_links_low, __pyx_v_e_links_high, -1, -1, ((__pyx_v_e_gap_low + 1) + __pyx_v_num_gaps), ((__pyx_v_e_gap_high + 1) + __pyx_v_num_gaps), ((__pyx_v_f_gap_low + 1) + __pyx_v_num_gaps), ((__pyx_v_f_gap_high + 1) + __pyx_v_num_gaps), __pyx_v_f_sent_len, __pyx_v_e_sent_len, __pyx_v_self->train_max_initial_size, __pyx_v_self->train_max_initial_size, 0, 0, 0, 0, 0, 0, 0);
-                    __Pyx_DECREF(__pyx_t_14); __pyx_t_14 = 0;
+                    __pyx_t_4 = ((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->find_fixpoint(__pyx_v_self, __pyx_v_f_high, __pyx_t_15, __pyx_v_f_links_low, __pyx_v_f_links_high, __pyx_v_e_links_low, __pyx_v_e_links_high, -1, -1, ((__pyx_v_e_gap_low + 1) + __pyx_v_num_gaps), ((__pyx_v_e_gap_high + 1) + __pyx_v_num_gaps), ((__pyx_v_f_gap_low + 1) + __pyx_v_num_gaps), ((__pyx_v_f_gap_high + 1) + __pyx_v_num_gaps), __pyx_v_f_sent_len, __pyx_v_e_sent_len, __pyx_v_self->train_max_initial_size, __pyx_v_self->train_max_initial_size, 0, 0, 0, 0, 0, 0, 0);
+                    __Pyx_DECREF(__pyx_t_15); __pyx_t_15 = 0;
                     __pyx_t_7 = __pyx_t_4;
                   } else {
                     __pyx_t_7 = __pyx_t_3;
@@ -52890,8 +52922,8 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
                 }
                 __pyx_t_9 = __pyx_t_8;
               } else {
-                __pyx_t_9 = ((struct __pyx_vtabstruct_8_cdec_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->find_fixpoint(__pyx_v_self, __pyx_v_f_x_low, __pyx_t_15, __pyx_v_f_links_low, __pyx_v_f_links_high, __pyx_v_e_links_low, __pyx_v_e_links_high, __pyx_v_e_low, __pyx_v_e_high, (&__pyx_v_e_x_low), (&__pyx_v_e_x_high), (&__pyx_v_f_x_low), (&__pyx_v_f_x_high), __pyx_v_f_sent_len, __pyx_v_e_sent_len, __pyx_v_self->train_max_initial_size, __pyx_v_self->train_max_initial_size, 1, 1, 2, 1, 1, 1, 1);
-                __Pyx_DECREF(__pyx_t_15); __pyx_t_15 = 0;
+                __pyx_t_9 = ((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->find_fixpoint(__pyx_v_self, __pyx_v_f_x_low, __pyx_t_1, __pyx_v_f_links_low, __pyx_v_f_links_high, __pyx_v_e_links_low, __pyx_v_e_links_high, __pyx_v_e_low, __pyx_v_e_high, (&__pyx_v_e_x_low), (&__pyx_v_e_x_high), (&__pyx_v_f_x_low), (&__pyx_v_f_x_high), __pyx_v_f_sent_len, __pyx_v_e_sent_len, __pyx_v_self->train_max_initial_size, __pyx_v_self->train_max_initial_size, 1, 1, 2, 1, 1, 1, 1);
+                __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
               }
               __pyx_t_8 = __pyx_t_9;
             } else {
@@ -52899,16 +52931,16 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
             }
             if (__pyx_t_8) {
 
-              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1755
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1754
  *                                                 self.train_max_initial_size, self.train_max_initial_size,
  *                                                 0, 0, 0, 0, 0, 0, 0)):
  *                                 fphr_arr._clear()             # <<<<<<<<<<<<<<
  *                                 i = 1
  *                                 self.findexes.reset()
  */
-              ((struct __pyx_vtabstruct_8_cdec_sa_IntList *)__pyx_v_fphr_arr->__pyx_vtab)->_clear(__pyx_v_fphr_arr);
+              ((struct __pyx_vtabstruct_3_sa_IntList *)__pyx_v_fphr_arr->__pyx_vtab)->_clear(__pyx_v_fphr_arr);
 
-              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1756
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1755
  *                                                 0, 0, 0, 0, 0, 0, 0)):
  *                                 fphr_arr._clear()
  *                                 i = 1             # <<<<<<<<<<<<<<
@@ -52917,44 +52949,44 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
  */
               __pyx_v_i = 1;
 
-              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1757
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1756
  *                                 fphr_arr._clear()
  *                                 i = 1
  *                                 self.findexes.reset()             # <<<<<<<<<<<<<<
  *                                 self.findexes.append(sym_setindex(self.category, i))
  *                                 fphr_arr._append(sym_setindex(self.category, i))
  */
-              __pyx_t_15 = PyObject_GetAttr(((PyObject *)__pyx_v_self->findexes), __pyx_n_s__reset); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1757; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __pyx_t_1 = PyObject_GetAttr(((PyObject *)__pyx_v_self->findexes), __pyx_n_s__reset); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1756; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __Pyx_GOTREF(__pyx_t_1);
+              __pyx_t_15 = PyObject_Call(__pyx_t_1, ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1756; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               __Pyx_GOTREF(__pyx_t_15);
-              __pyx_t_14 = PyObject_Call(__pyx_t_15, ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1757; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-              __Pyx_GOTREF(__pyx_t_14);
+              __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
               __Pyx_DECREF(__pyx_t_15); __pyx_t_15 = 0;
-              __Pyx_DECREF(__pyx_t_14); __pyx_t_14 = 0;
 
-              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1758
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1757
  *                                 i = 1
  *                                 self.findexes.reset()
  *                                 self.findexes.append(sym_setindex(self.category, i))             # <<<<<<<<<<<<<<
  *                                 fphr_arr._append(sym_setindex(self.category, i))
  *                                 i = i+1
  */
-              __pyx_t_14 = PyInt_FromLong(__pyx_f_8_cdec_sa_sym_setindex(__pyx_v_self->category, __pyx_v_i)); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1758; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-              __Pyx_GOTREF(__pyx_t_14);
-              __pyx_t_15 = __Pyx_PyObject_Append(((PyObject *)__pyx_v_self->findexes), __pyx_t_14); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1758; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __pyx_t_15 = PyInt_FromLong(__pyx_f_3_sa_sym_setindex(__pyx_v_self->category, __pyx_v_i)); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1757; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               __Pyx_GOTREF(__pyx_t_15);
-              __Pyx_DECREF(__pyx_t_14); __pyx_t_14 = 0;
+              __pyx_t_1 = __Pyx_PyObject_Append(((PyObject *)__pyx_v_self->findexes), __pyx_t_15); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1757; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __Pyx_GOTREF(__pyx_t_1);
               __Pyx_DECREF(__pyx_t_15); __pyx_t_15 = 0;
+              __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
 
-              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1759
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1758
  *                                 self.findexes.reset()
  *                                 self.findexes.append(sym_setindex(self.category, i))
  *                                 fphr_arr._append(sym_setindex(self.category, i))             # <<<<<<<<<<<<<<
  *                                 i = i+1
  *                                 self.findexes.extend(self.findexes1)
  */
-              ((struct __pyx_vtabstruct_8_cdec_sa_IntList *)__pyx_v_fphr_arr->__pyx_vtab)->_append(__pyx_v_fphr_arr, __pyx_f_8_cdec_sa_sym_setindex(__pyx_v_self->category, __pyx_v_i));
+              ((struct __pyx_vtabstruct_3_sa_IntList *)__pyx_v_fphr_arr->__pyx_vtab)->_append(__pyx_v_fphr_arr, __pyx_f_3_sa_sym_setindex(__pyx_v_self->category, __pyx_v_i));
 
-              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1760
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1759
  *                                 self.findexes.append(sym_setindex(self.category, i))
  *                                 fphr_arr._append(sym_setindex(self.category, i))
  *                                 i = i+1             # <<<<<<<<<<<<<<
@@ -52963,27 +52995,27 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
  */
               __pyx_v_i = (__pyx_v_i + 1);
 
-              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1761
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1760
  *                                 fphr_arr._append(sym_setindex(self.category, i))
  *                                 i = i+1
  *                                 self.findexes.extend(self.findexes1)             # <<<<<<<<<<<<<<
  *                                 for j from 0 <= j < phrase.n:
  *                                     if sym_isvar(phrase.syms[j]):
  */
-              __pyx_t_15 = PyObject_GetAttr(((PyObject *)__pyx_v_self->findexes), __pyx_n_s__extend); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1761; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __pyx_t_1 = PyObject_GetAttr(((PyObject *)__pyx_v_self->findexes), __pyx_n_s__extend); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1760; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __Pyx_GOTREF(__pyx_t_1);
+              __pyx_t_15 = PyTuple_New(1); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1760; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               __Pyx_GOTREF(__pyx_t_15);
-              __pyx_t_14 = PyTuple_New(1); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1761; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-              __Pyx_GOTREF(__pyx_t_14);
               __Pyx_INCREF(((PyObject *)__pyx_v_self->findexes1));
-              PyTuple_SET_ITEM(__pyx_t_14, 0, ((PyObject *)__pyx_v_self->findexes1));
+              PyTuple_SET_ITEM(__pyx_t_15, 0, ((PyObject *)__pyx_v_self->findexes1));
               __Pyx_GIVEREF(((PyObject *)__pyx_v_self->findexes1));
-              __pyx_t_10 = PyObject_Call(__pyx_t_15, ((PyObject *)__pyx_t_14), NULL); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1761; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-              __Pyx_GOTREF(__pyx_t_10);
-              __Pyx_DECREF(__pyx_t_15); __pyx_t_15 = 0;
-              __Pyx_DECREF(((PyObject *)__pyx_t_14)); __pyx_t_14 = 0;
-              __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
+              __pyx_t_14 = PyObject_Call(__pyx_t_1, ((PyObject *)__pyx_t_15), NULL); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1760; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __Pyx_GOTREF(__pyx_t_14);
+              __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+              __Pyx_DECREF(((PyObject *)__pyx_t_15)); __pyx_t_15 = 0;
+              __Pyx_DECREF(__pyx_t_14); __pyx_t_14 = 0;
 
-              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1762
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1761
  *                                 i = i+1
  *                                 self.findexes.extend(self.findexes1)
  *                                 for j from 0 <= j < phrase.n:             # <<<<<<<<<<<<<<
@@ -52993,40 +53025,26 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
               __pyx_t_3 = __pyx_v_phrase->n;
               for (__pyx_v_j = 0; __pyx_v_j < __pyx_t_3; __pyx_v_j++) {
 
-                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1763
+                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1762
  *                                 self.findexes.extend(self.findexes1)
  *                                 for j from 0 <= j < phrase.n:
  *                                     if sym_isvar(phrase.syms[j]):             # <<<<<<<<<<<<<<
  *                                         fphr_arr._append(sym_setindex(self.category, i))
  *                                         i = i + 1
  */
-                __pyx_t_10 = __Pyx_GetName(__pyx_m, __pyx_n_s__sym_isvar); if (unlikely(!__pyx_t_10)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1763; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-                __Pyx_GOTREF(__pyx_t_10);
-                __pyx_t_14 = PyInt_FromLong((__pyx_v_phrase->syms[__pyx_v_j])); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1763; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-                __Pyx_GOTREF(__pyx_t_14);
-                __pyx_t_15 = PyTuple_New(1); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1763; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-                __Pyx_GOTREF(__pyx_t_15);
-                PyTuple_SET_ITEM(__pyx_t_15, 0, __pyx_t_14);
-                __Pyx_GIVEREF(__pyx_t_14);
-                __pyx_t_14 = 0;
-                __pyx_t_14 = PyObject_Call(__pyx_t_10, ((PyObject *)__pyx_t_15), NULL); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1763; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-                __Pyx_GOTREF(__pyx_t_14);
-                __Pyx_DECREF(__pyx_t_10); __pyx_t_10 = 0;
-                __Pyx_DECREF(((PyObject *)__pyx_t_15)); __pyx_t_15 = 0;
-                __pyx_t_8 = __Pyx_PyObject_IsTrue(__pyx_t_14); if (unlikely(__pyx_t_8 < 0)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1763; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-                __Pyx_DECREF(__pyx_t_14); __pyx_t_14 = 0;
-                if (__pyx_t_8) {
+                __pyx_t_4 = __pyx_f_3_sa_sym_isvar((__pyx_v_phrase->syms[__pyx_v_j]));
+                if (__pyx_t_4) {
 
-                  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1764
+                  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1763
  *                                 for j from 0 <= j < phrase.n:
  *                                     if sym_isvar(phrase.syms[j]):
  *                                         fphr_arr._append(sym_setindex(self.category, i))             # <<<<<<<<<<<<<<
  *                                         i = i + 1
  *                                     else:
  */
-                  ((struct __pyx_vtabstruct_8_cdec_sa_IntList *)__pyx_v_fphr_arr->__pyx_vtab)->_append(__pyx_v_fphr_arr, __pyx_f_8_cdec_sa_sym_setindex(__pyx_v_self->category, __pyx_v_i));
+                  ((struct __pyx_vtabstruct_3_sa_IntList *)__pyx_v_fphr_arr->__pyx_vtab)->_append(__pyx_v_fphr_arr, __pyx_f_3_sa_sym_setindex(__pyx_v_self->category, __pyx_v_i));
 
-                  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1765
+                  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1764
  *                                     if sym_isvar(phrase.syms[j]):
  *                                         fphr_arr._append(sym_setindex(self.category, i))
  *                                         i = i + 1             # <<<<<<<<<<<<<<
@@ -53038,102 +53056,102 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
                 }
                 /*else*/ {
 
-                  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1767
+                  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1766
  *                                         i = i + 1
  *                                     else:
  *                                         fphr_arr._append(phrase.syms[j])             # <<<<<<<<<<<<<<
  *                                 fphr_arr._append(sym_setindex(self.category, i))
  *                                 self.findexes.append(sym_setindex(self.category, i))
  */
-                  ((struct __pyx_vtabstruct_8_cdec_sa_IntList *)__pyx_v_fphr_arr->__pyx_vtab)->_append(__pyx_v_fphr_arr, (__pyx_v_phrase->syms[__pyx_v_j]));
+                  ((struct __pyx_vtabstruct_3_sa_IntList *)__pyx_v_fphr_arr->__pyx_vtab)->_append(__pyx_v_fphr_arr, (__pyx_v_phrase->syms[__pyx_v_j]));
                 }
                 __pyx_L106:;
               }
 
-              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1768
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1767
  *                                     else:
  *                                         fphr_arr._append(phrase.syms[j])
  *                                 fphr_arr._append(sym_setindex(self.category, i))             # <<<<<<<<<<<<<<
  *                                 self.findexes.append(sym_setindex(self.category, i))
  *                                 fphr = Phrase(fphr_arr)
  */
-              ((struct __pyx_vtabstruct_8_cdec_sa_IntList *)__pyx_v_fphr_arr->__pyx_vtab)->_append(__pyx_v_fphr_arr, __pyx_f_8_cdec_sa_sym_setindex(__pyx_v_self->category, __pyx_v_i));
+              ((struct __pyx_vtabstruct_3_sa_IntList *)__pyx_v_fphr_arr->__pyx_vtab)->_append(__pyx_v_fphr_arr, __pyx_f_3_sa_sym_setindex(__pyx_v_self->category, __pyx_v_i));
 
-              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1769
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1768
  *                                         fphr_arr._append(phrase.syms[j])
  *                                 fphr_arr._append(sym_setindex(self.category, i))
  *                                 self.findexes.append(sym_setindex(self.category, i))             # <<<<<<<<<<<<<<
  *                                 fphr = Phrase(fphr_arr)
  *                                 phrase_list = self.extract_phrases(e_x_low, e_x_high, e_gap_low, e_gap_high, e_links_low, num_gaps+2,
  */
-              __pyx_t_14 = PyInt_FromLong(__pyx_f_8_cdec_sa_sym_setindex(__pyx_v_self->category, __pyx_v_i)); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1769; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __pyx_t_14 = PyInt_FromLong(__pyx_f_3_sa_sym_setindex(__pyx_v_self->category, __pyx_v_i)); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1768; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               __Pyx_GOTREF(__pyx_t_14);
-              __pyx_t_15 = __Pyx_PyObject_Append(((PyObject *)__pyx_v_self->findexes), __pyx_t_14); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1769; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __pyx_t_15 = __Pyx_PyObject_Append(((PyObject *)__pyx_v_self->findexes), __pyx_t_14); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1768; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               __Pyx_GOTREF(__pyx_t_15);
               __Pyx_DECREF(__pyx_t_14); __pyx_t_14 = 0;
               __Pyx_DECREF(__pyx_t_15); __pyx_t_15 = 0;
 
-              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1770
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1769
  *                                 fphr_arr._append(sym_setindex(self.category, i))
  *                                 self.findexes.append(sym_setindex(self.category, i))
  *                                 fphr = Phrase(fphr_arr)             # <<<<<<<<<<<<<<
  *                                 phrase_list = self.extract_phrases(e_x_low, e_x_high, e_gap_low, e_gap_high, e_links_low, num_gaps+2,
  *                                                     f_x_low, f_x_high, f_gap_low, f_gap_high, f_links_low,
  */
-              __pyx_t_15 = PyTuple_New(1); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1770; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __pyx_t_15 = PyTuple_New(1); if (unlikely(!__pyx_t_15)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1769; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               __Pyx_GOTREF(__pyx_t_15);
               __Pyx_INCREF(((PyObject *)__pyx_v_fphr_arr));
               PyTuple_SET_ITEM(__pyx_t_15, 0, ((PyObject *)__pyx_v_fphr_arr));
               __Pyx_GIVEREF(((PyObject *)__pyx_v_fphr_arr));
-              __pyx_t_14 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_8_cdec_sa_Phrase)), ((PyObject *)__pyx_t_15), NULL); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1770; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __pyx_t_14 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_Phrase)), ((PyObject *)__pyx_t_15), NULL); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1769; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               __Pyx_GOTREF(__pyx_t_14);
               __Pyx_DECREF(((PyObject *)__pyx_t_15)); __pyx_t_15 = 0;
               __Pyx_DECREF(((PyObject *)__pyx_v_fphr));
-              __pyx_v_fphr = ((struct __pyx_obj_8_cdec_sa_Phrase *)__pyx_t_14);
+              __pyx_v_fphr = ((struct __pyx_obj_3_sa_Phrase *)__pyx_t_14);
               __pyx_t_14 = 0;
 
-              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1773
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1772
  *                                 phrase_list = self.extract_phrases(e_x_low, e_x_high, e_gap_low, e_gap_high, e_links_low, num_gaps+2,
  *                                                     f_x_low, f_x_high, f_gap_low, f_gap_high, f_links_low,
  *                                                     matching.sent_id, e_sent_len, e_sent_start)             # <<<<<<<<<<<<<<
  *                                 if len(phrase_list) > 0:
  *                                     pair_count = 1.0 / len(phrase_list)
  */
-              __pyx_t_14 = ((struct __pyx_vtabstruct_8_cdec_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->extract_phrases(__pyx_v_self, __pyx_v_e_x_low, __pyx_v_e_x_high, __pyx_v_e_gap_low, __pyx_v_e_gap_high, __pyx_v_e_links_low, (__pyx_v_num_gaps + 2), __pyx_v_f_x_low, __pyx_v_f_x_high, __pyx_v_f_gap_low, __pyx_v_f_gap_high, __pyx_v_f_links_low, __pyx_v_matching->sent_id, __pyx_v_e_sent_len, __pyx_v_e_sent_start); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1771; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __pyx_t_14 = ((struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory *)__pyx_v_self->__pyx_vtab)->extract_phrases(__pyx_v_self, __pyx_v_e_x_low, __pyx_v_e_x_high, __pyx_v_e_gap_low, __pyx_v_e_gap_high, __pyx_v_e_links_low, (__pyx_v_num_gaps + 2), __pyx_v_f_x_low, __pyx_v_f_x_high, __pyx_v_f_gap_low, __pyx_v_f_gap_high, __pyx_v_f_links_low, __pyx_v_matching->sent_id, __pyx_v_e_sent_len, __pyx_v_e_sent_start); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1770; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               __Pyx_GOTREF(__pyx_t_14);
               __Pyx_XDECREF(__pyx_v_phrase_list);
               __pyx_v_phrase_list = __pyx_t_14;
               __pyx_t_14 = 0;
 
-              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1774
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1773
  *                                                     f_x_low, f_x_high, f_gap_low, f_gap_high, f_links_low,
  *                                                     matching.sent_id, e_sent_len, e_sent_start)
  *                                 if len(phrase_list) > 0:             # <<<<<<<<<<<<<<
  *                                     pair_count = 1.0 / len(phrase_list)
  *                                 else:
  */
-              __pyx_t_13 = PyObject_Length(__pyx_v_phrase_list); if (unlikely(__pyx_t_13 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1774; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+              __pyx_t_13 = PyObject_Length(__pyx_v_phrase_list); if (unlikely(__pyx_t_13 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1773; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
               __pyx_t_8 = (__pyx_t_13 > 0);
               if (__pyx_t_8) {
 
-                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1775
+                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1774
  *                                                     matching.sent_id, e_sent_len, e_sent_start)
  *                                 if len(phrase_list) > 0:
  *                                     pair_count = 1.0 / len(phrase_list)             # <<<<<<<<<<<<<<
  *                                 else:
  *                                     pair_count = 0
  */
-                __pyx_t_13 = PyObject_Length(__pyx_v_phrase_list); if (unlikely(__pyx_t_13 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1775; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                __pyx_t_13 = PyObject_Length(__pyx_v_phrase_list); if (unlikely(__pyx_t_13 == -1)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1774; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                 if (unlikely(__pyx_t_13 == 0)) {
                   PyErr_Format(PyExc_ZeroDivisionError, "float division");
-                  {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1775; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                  {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1774; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                 }
                 __pyx_v_pair_count = (1.0 / __pyx_t_13);
                 goto __pyx_L107;
               }
               /*else*/ {
 
-                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1777
+                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1776
  *                                     pair_count = 1.0 / len(phrase_list)
  *                                 else:
  *                                     pair_count = 0             # <<<<<<<<<<<<<<
@@ -53144,7 +53162,7 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
               }
               __pyx_L107:;
 
-              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1778
+              /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1777
  *                                 else:
  *                                     pair_count = 0
  *                                 for phrase2, eindexes in phrase_list:             # <<<<<<<<<<<<<<
@@ -53155,23 +53173,31 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
                 __pyx_t_14 = __pyx_v_phrase_list; __Pyx_INCREF(__pyx_t_14); __pyx_t_13 = 0;
                 __pyx_t_16 = NULL;
               } else {
-                __pyx_t_13 = -1; __pyx_t_14 = PyObject_GetIter(__pyx_v_phrase_list); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1778; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+                __pyx_t_13 = -1; __pyx_t_14 = PyObject_GetIter(__pyx_v_phrase_list); if (unlikely(!__pyx_t_14)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1777; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
                 __Pyx_GOTREF(__pyx_t_14);
                 __pyx_t_16 = Py_TYPE(__pyx_t_14)->tp_iternext;
               }
               for (;;) {
                 if (!__pyx_t_16 && PyList_CheckExact(__pyx_t_14)) {
                   if (__pyx_t_13 >= PyList_GET_SIZE(__pyx_t_14)) break;
+                  #if CYTHON_COMPILING_IN_CPYTHON
                   __pyx_t_15 = PyList_GET_ITEM(__pyx_t_14, __pyx_t_13); __Pyx_INCREF(__pyx_t_15); __pyx_t_13++;
+                  #else
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                   PyObject* sequence = __pyx_t_15;
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-                    __pyx_t_1 = PyTuple_GET_ITEM(sequence, 1); 
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-                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1779
+                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1778
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@@ -53235,31 +53268,31 @@ static PyObject *__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract(struct __py
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-                /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1780
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-      /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1782
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-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1784
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   free(__pyx_v_sent_links);
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1785
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1784
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   free(__pyx_v_f_links_low);
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1786
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1785
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   free(__pyx_v_f_links_high);
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1787
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1786
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-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1788
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1787
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   free(__pyx_v_e_links_high);
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1789
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-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1790
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1789
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   free(__pyx_v_f_gap_high);
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1791
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1790
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   free(__pyx_v_e_gap_low);
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1792
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1791
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   free(__pyx_v_e_gap_high);
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1794
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1793
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-  __Pyx_AddTraceback("_cdec_sa.HieroCachingRuleFactory.extract", __pyx_clineno, __pyx_lineno, __pyx_filename);
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-  p = ((struct __pyx_obj_8_cdec_sa_FloatList *)o);
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-  if (__pyx_pw_8_cdec_sa_9FloatList_1__cinit__(o, a, k) < 0) {
+  p = ((struct __pyx_obj_3_sa_Phrase *)o);
+  p->__pyx_vtab = __pyx_vtabptr_3_sa_Phrase;
+  if (__pyx_pw_3_sa_6Phrase_1__cinit__(o, a, k) < 0) {
     Py_DECREF(o); o = 0;
   }
   return o;
 }
 
-static void __pyx_tp_dealloc_8_cdec_sa_FloatList(PyObject *o) {
+static void __pyx_tp_dealloc_3_sa_Phrase(PyObject *o) {
   {
     PyObject *etype, *eval, *etb;
     PyErr_Fetch(&etype, &eval, &etb);
     ++Py_REFCNT(o);
-    __pyx_pw_8_cdec_sa_9FloatList_3__dealloc__(o);
+    __pyx_pw_3_sa_6Phrase_3__dealloc__(o);
     if (PyErr_Occurred()) PyErr_WriteUnraisable(o);
     --Py_REFCNT(o);
     PyErr_Restore(etype, eval, etb);
   }
   (*Py_TYPE(o)->tp_free)(o);
 }
-static PyObject *__pyx_sq_item_8_cdec_sa_FloatList(PyObject *o, Py_ssize_t i) {
+static PyObject *__pyx_sq_item_3_sa_Phrase(PyObject *o, Py_ssize_t i) {
   PyObject *r;
   PyObject *x = PyInt_FromSsize_t(i); if(!x) return 0;
   r = Py_TYPE(o)->tp_as_mapping->mp_subscript(o, x);
@@ -53465,25 +53498,28 @@ static PyObject *__pyx_sq_item_8_cdec_sa_FloatList(PyObject *o, Py_ssize_t i) {
   return r;
 }
 
-static int __pyx_mp_ass_subscript_8_cdec_sa_FloatList(PyObject *o, PyObject *i, PyObject *v) {
-  if (v) {
-    return __pyx_pw_8_cdec_sa_9FloatList_7__setitem__(o, i, v);
-  }
-  else {
-    PyErr_Format(PyExc_NotImplementedError,
-      "Subscript deletion not supported by %s", Py_TYPE(o)->tp_name);
-    return -1;
-  }
+static PyObject *__pyx_getprop_3_sa_6Phrase_words(PyObject *o, CYTHON_UNUSED void *x) {
+  return __pyx_pw_3_sa_6Phrase_5words_1__get__(o);
 }
 
-static PyMethodDef __pyx_methods_8_cdec_sa_FloatList[] = {
-  {__Pyx_NAMESTR("append"), (PyCFunction)__pyx_pw_8_cdec_sa_9FloatList_11append, METH_O, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("write"), (PyCFunction)__pyx_pw_8_cdec_sa_9FloatList_13write, METH_O, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("read"), (PyCFunction)__pyx_pw_8_cdec_sa_9FloatList_15read, METH_O, __Pyx_DOCSTR(0)},
+static PyMethodDef __pyx_methods_3_sa_Phrase[] = {
+  {__Pyx_NAMESTR("handle"), (PyCFunction)__pyx_pw_3_sa_6Phrase_7handle, METH_NOARGS, __Pyx_DOCSTR(__pyx_doc_3_sa_6Phrase_6handle)},
+  {__Pyx_NAMESTR("strhandle"), (PyCFunction)__pyx_pw_3_sa_6Phrase_9strhandle, METH_NOARGS, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("arity"), (PyCFunction)__pyx_pw_3_sa_6Phrase_11arity, METH_NOARGS, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("getvarpos"), (PyCFunction)__pyx_pw_3_sa_6Phrase_13getvarpos, METH_O, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("getvar"), (PyCFunction)__pyx_pw_3_sa_6Phrase_15getvar, METH_O, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("clen"), (PyCFunction)__pyx_pw_3_sa_6Phrase_17clen, METH_O, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("getchunk"), (PyCFunction)__pyx_pw_3_sa_6Phrase_19getchunk, METH_O, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("subst"), (PyCFunction)__pyx_pw_3_sa_6Phrase_32subst, METH_VARARGS|METH_KEYWORDS, __Pyx_DOCSTR(0)},
   {0, 0, 0, 0}
 };
 
-static PyNumberMethods __pyx_tp_as_number_FloatList = {
+static struct PyGetSetDef __pyx_getsets_3_sa_Phrase[] = {
+  {(char *)"words", __pyx_getprop_3_sa_6Phrase_words, 0, 0, 0},
+  {0, 0, 0, 0, 0}
+};
+
+static PyNumberMethods __pyx_tp_as_number_Phrase = {
   0, /*nb_add*/
   0, /*nb_subtract*/
   0, /*nb_multiply*/
@@ -53541,11 +53577,11 @@ static PyNumberMethods __pyx_tp_as_number_FloatList = {
   #endif
 };
 
-static PySequenceMethods __pyx_tp_as_sequence_FloatList = {
-  __pyx_pw_8_cdec_sa_9FloatList_9__len__, /*sq_length*/
+static PySequenceMethods __pyx_tp_as_sequence_Phrase = {
+  __pyx_pw_3_sa_6Phrase_25__len__, /*sq_length*/
   0, /*sq_concat*/
   0, /*sq_repeat*/
-  __pyx_sq_item_8_cdec_sa_FloatList, /*sq_item*/
+  __pyx_sq_item_3_sa_Phrase, /*sq_item*/
   0, /*sq_slice*/
   0, /*sq_ass_item*/
   0, /*sq_ass_slice*/
@@ -53554,13 +53590,13 @@ static PySequenceMethods __pyx_tp_as_sequence_FloatList = {
   0, /*sq_inplace_repeat*/
 };
 
-static PyMappingMethods __pyx_tp_as_mapping_FloatList = {
-  __pyx_pw_8_cdec_sa_9FloatList_9__len__, /*mp_length*/
-  __pyx_pw_8_cdec_sa_9FloatList_5__getitem__, /*mp_subscript*/
-  __pyx_mp_ass_subscript_8_cdec_sa_FloatList, /*mp_ass_subscript*/
+static PyMappingMethods __pyx_tp_as_mapping_Phrase = {
+  __pyx_pw_3_sa_6Phrase_25__len__, /*mp_length*/
+  __pyx_pw_3_sa_6Phrase_27__getitem__, /*mp_subscript*/
+  0, /*mp_ass_subscript*/
 };
 
-static PyBufferProcs __pyx_tp_as_buffer_FloatList = {
+static PyBufferProcs __pyx_tp_as_buffer_Phrase = {
   #if PY_MAJOR_VERSION < 3
   0, /*bf_getreadbuffer*/
   #endif
@@ -53581,41 +53617,41 @@ static PyBufferProcs __pyx_tp_as_buffer_FloatList = {
   #endif
 };
 
-static PyTypeObject __pyx_type_8_cdec_sa_FloatList = {
+static PyTypeObject __pyx_type_3_sa_Phrase = {
   PyVarObject_HEAD_INIT(0, 0)
-  __Pyx_NAMESTR("_cdec_sa.FloatList"), /*tp_name*/
-  sizeof(struct __pyx_obj_8_cdec_sa_FloatList), /*tp_basicsize*/
+  __Pyx_NAMESTR("_sa.Phrase"), /*tp_name*/
+  sizeof(struct __pyx_obj_3_sa_Phrase), /*tp_basicsize*/
   0, /*tp_itemsize*/
-  __pyx_tp_dealloc_8_cdec_sa_FloatList, /*tp_dealloc*/
+  __pyx_tp_dealloc_3_sa_Phrase, /*tp_dealloc*/
   0, /*tp_print*/
   0, /*tp_getattr*/
   0, /*tp_setattr*/
   #if PY_MAJOR_VERSION < 3
-  0, /*tp_compare*/
+  __pyx_pw_3_sa_6Phrase_21__cmp__, /*tp_compare*/
   #else
   0, /*reserved*/
   #endif
   0, /*tp_repr*/
-  &__pyx_tp_as_number_FloatList, /*tp_as_number*/
-  &__pyx_tp_as_sequence_FloatList, /*tp_as_sequence*/
-  &__pyx_tp_as_mapping_FloatList, /*tp_as_mapping*/
-  0, /*tp_hash*/
+  &__pyx_tp_as_number_Phrase, /*tp_as_number*/
+  &__pyx_tp_as_sequence_Phrase, /*tp_as_sequence*/
+  &__pyx_tp_as_mapping_Phrase, /*tp_as_mapping*/
+  __pyx_pw_3_sa_6Phrase_23__hash__, /*tp_hash*/
   0, /*tp_call*/
-  0, /*tp_str*/
+  __pyx_pw_3_sa_6Phrase_5__str__, /*tp_str*/
   0, /*tp_getattro*/
   0, /*tp_setattro*/
-  &__pyx_tp_as_buffer_FloatList, /*tp_as_buffer*/
+  &__pyx_tp_as_buffer_Phrase, /*tp_as_buffer*/
   Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE, /*tp_flags*/
   0, /*tp_doc*/
   0, /*tp_traverse*/
   0, /*tp_clear*/
   0, /*tp_richcompare*/
   0, /*tp_weaklistoffset*/
-  0, /*tp_iter*/
+  __pyx_pw_3_sa_6Phrase_29__iter__, /*tp_iter*/
   0, /*tp_iternext*/
-  __pyx_methods_8_cdec_sa_FloatList, /*tp_methods*/
+  __pyx_methods_3_sa_Phrase, /*tp_methods*/
   0, /*tp_members*/
-  0, /*tp_getset*/
+  __pyx_getsets_3_sa_Phrase, /*tp_getset*/
   0, /*tp_base*/
   0, /*tp_dict*/
   0, /*tp_descr_get*/
@@ -53623,7 +53659,7 @@ static PyTypeObject __pyx_type_8_cdec_sa_FloatList = {
   0, /*tp_dictoffset*/
   0, /*tp_init*/
   0, /*tp_alloc*/
-  __pyx_tp_new_8_cdec_sa_FloatList, /*tp_new*/
+  __pyx_tp_new_3_sa_Phrase, /*tp_new*/
   0, /*tp_free*/
   0, /*tp_is_gc*/
   0, /*tp_bases*/
@@ -53636,66 +53672,133 @@ static PyTypeObject __pyx_type_8_cdec_sa_FloatList = {
   0, /*tp_version_tag*/
   #endif
 };
-static struct __pyx_vtabstruct_8_cdec_sa_IntList __pyx_vtable_8_cdec_sa_IntList;
 
-static PyObject *__pyx_tp_new_8_cdec_sa_IntList(PyTypeObject *t, PyObject *a, PyObject *k) {
-  struct __pyx_obj_8_cdec_sa_IntList *p;
+static PyObject *__pyx_tp_new_3_sa_Rule(PyTypeObject *t, PyObject *a, PyObject *k) {
+  struct __pyx_obj_3_sa_Rule *p;
   PyObject *o = (*t->tp_alloc)(t, 0);
   if (!o) return 0;
-  p = ((struct __pyx_obj_8_cdec_sa_IntList *)o);
-  p->__pyx_vtab = __pyx_vtabptr_8_cdec_sa_IntList;
-  if (__pyx_pw_8_cdec_sa_7IntList_1__cinit__(o, a, k) < 0) {
+  p = ((struct __pyx_obj_3_sa_Rule *)o);
+  p->f = ((struct __pyx_obj_3_sa_Phrase *)Py_None); Py_INCREF(Py_None);
+  p->e = ((struct __pyx_obj_3_sa_Phrase *)Py_None); Py_INCREF(Py_None);
+  p->word_alignments = Py_None; Py_INCREF(Py_None);
+  if (__pyx_pw_3_sa_4Rule_1__cinit__(o, a, k) < 0) {
     Py_DECREF(o); o = 0;
   }
   return o;
 }
 
-static void __pyx_tp_dealloc_8_cdec_sa_IntList(PyObject *o) {
+static void __pyx_tp_dealloc_3_sa_Rule(PyObject *o) {
+  struct __pyx_obj_3_sa_Rule *p = (struct __pyx_obj_3_sa_Rule *)o;
   {
     PyObject *etype, *eval, *etb;
     PyErr_Fetch(&etype, &eval, &etb);
     ++Py_REFCNT(o);
-    __pyx_pw_8_cdec_sa_7IntList_15__dealloc__(o);
+    __pyx_pw_3_sa_4Rule_3__dealloc__(o);
     if (PyErr_Occurred()) PyErr_WriteUnraisable(o);
     --Py_REFCNT(o);
     PyErr_Restore(etype, eval, etb);
   }
+  Py_XDECREF(((PyObject *)p->f));
+  Py_XDECREF(((PyObject *)p->e));
+  Py_XDECREF(p->word_alignments);
   (*Py_TYPE(o)->tp_free)(o);
 }
-static PyObject *__pyx_sq_item_8_cdec_sa_IntList(PyObject *o, Py_ssize_t i) {
-  PyObject *r;
-  PyObject *x = PyInt_FromSsize_t(i); if(!x) return 0;
-  r = Py_TYPE(o)->tp_as_mapping->mp_subscript(o, x);
-  Py_DECREF(x);
-  return r;
+
+static int __pyx_tp_traverse_3_sa_Rule(PyObject *o, visitproc v, void *a) {
+  int e;
+  struct __pyx_obj_3_sa_Rule *p = (struct __pyx_obj_3_sa_Rule *)o;
+  if (p->f) {
+    e = (*v)(((PyObject*)p->f), a); if (e) return e;
+  }
+  if (p->e) {
+    e = (*v)(((PyObject*)p->e), a); if (e) return e;
+  }
+  if (p->word_alignments) {
+    e = (*v)(p->word_alignments, a); if (e) return e;
+  }
+  return 0;
+}
+
+static int __pyx_tp_clear_3_sa_Rule(PyObject *o) {
+  struct __pyx_obj_3_sa_Rule *p = (struct __pyx_obj_3_sa_Rule *)o;
+  PyObject* tmp;
+  tmp = ((PyObject*)p->f);
+  p->f = ((struct __pyx_obj_3_sa_Phrase *)Py_None); Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->e);
+  p->e = ((struct __pyx_obj_3_sa_Phrase *)Py_None); Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->word_alignments);
+  p->word_alignments = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  return 0;
+}
+
+static PyObject *__pyx_getprop_3_sa_4Rule_scores(PyObject *o, CYTHON_UNUSED void *x) {
+  return __pyx_pw_3_sa_4Rule_6scores_1__get__(o);
 }
 
-static int __pyx_mp_ass_subscript_8_cdec_sa_IntList(PyObject *o, PyObject *i, PyObject *v) {
+static int __pyx_setprop_3_sa_4Rule_scores(PyObject *o, PyObject *v, CYTHON_UNUSED void *x) {
   if (v) {
-    return __pyx_pw_8_cdec_sa_7IntList_19__setitem__(o, i, v);
+    return __pyx_pw_3_sa_4Rule_6scores_3__set__(o, v);
   }
   else {
-    PyErr_Format(PyExc_NotImplementedError,
-      "Subscript deletion not supported by %s", Py_TYPE(o)->tp_name);
+    PyErr_SetString(PyExc_NotImplementedError, "__del__");
     return -1;
   }
 }
 
-static PyMethodDef __pyx_methods_8_cdec_sa_IntList[] = {
-  {__Pyx_NAMESTR("index"), (PyCFunction)__pyx_pw_8_cdec_sa_7IntList_5index, METH_O, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("partition"), (PyCFunction)__pyx_pw_8_cdec_sa_7IntList_7partition, METH_VARARGS|METH_KEYWORDS, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("_doquicksort"), (PyCFunction)__pyx_pw_8_cdec_sa_7IntList_9_doquicksort, METH_VARARGS|METH_KEYWORDS, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("sort"), (PyCFunction)__pyx_pw_8_cdec_sa_7IntList_11sort, METH_NOARGS, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("reset"), (PyCFunction)__pyx_pw_8_cdec_sa_7IntList_13reset, METH_NOARGS, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("getSize"), (PyCFunction)__pyx_pw_8_cdec_sa_7IntList_23getSize, METH_NOARGS, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("append"), (PyCFunction)__pyx_pw_8_cdec_sa_7IntList_25append, METH_O, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("extend"), (PyCFunction)__pyx_pw_8_cdec_sa_7IntList_27extend, METH_O, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("write"), (PyCFunction)__pyx_pw_8_cdec_sa_7IntList_29write, METH_O, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("read"), (PyCFunction)__pyx_pw_8_cdec_sa_7IntList_31read, METH_O, __Pyx_DOCSTR(0)},
+static PyObject *__pyx_getprop_3_sa_4Rule_lhs(PyObject *o, CYTHON_UNUSED void *x) {
+  return __pyx_pw_3_sa_4Rule_3lhs_1__get__(o);
+}
+
+static int __pyx_setprop_3_sa_4Rule_lhs(PyObject *o, PyObject *v, CYTHON_UNUSED void *x) {
+  if (v) {
+    return __pyx_pw_3_sa_4Rule_3lhs_3__set__(o, v);
+  }
+  else {
+    PyErr_SetString(PyExc_NotImplementedError, "__del__");
+    return -1;
+  }
+}
+
+static PyObject *__pyx_getprop_3_sa_4Rule_f(PyObject *o, CYTHON_UNUSED void *x) {
+  return __pyx_pw_3_sa_4Rule_1f_1__get__(o);
+}
+
+static PyObject *__pyx_getprop_3_sa_4Rule_e(PyObject *o, CYTHON_UNUSED void *x) {
+  return __pyx_pw_3_sa_4Rule_1e_1__get__(o);
+}
+
+static PyObject *__pyx_getprop_3_sa_4Rule_word_alignments(PyObject *o, CYTHON_UNUSED void *x) {
+  return __pyx_pw_3_sa_4Rule_15word_alignments_1__get__(o);
+}
+
+static int __pyx_setprop_3_sa_4Rule_word_alignments(PyObject *o, PyObject *v, CYTHON_UNUSED void *x) {
+  if (v) {
+    return __pyx_pw_3_sa_4Rule_15word_alignments_3__set__(o, v);
+  }
+  else {
+    return __pyx_pw_3_sa_4Rule_15word_alignments_5__del__(o);
+  }
+}
+
+static PyMethodDef __pyx_methods_3_sa_Rule[] = {
+  {__Pyx_NAMESTR("fmerge"), (PyCFunction)__pyx_pw_3_sa_4Rule_11fmerge, METH_O, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("arity"), (PyCFunction)__pyx_pw_3_sa_4Rule_13arity, METH_NOARGS, __Pyx_DOCSTR(0)},
   {0, 0, 0, 0}
 };
 
-static PyNumberMethods __pyx_tp_as_number_IntList = {
+static struct PyGetSetDef __pyx_getsets_3_sa_Rule[] = {
+  {(char *)"scores", __pyx_getprop_3_sa_4Rule_scores, __pyx_setprop_3_sa_4Rule_scores, 0, 0},
+  {(char *)"lhs", __pyx_getprop_3_sa_4Rule_lhs, __pyx_setprop_3_sa_4Rule_lhs, 0, 0},
+  {(char *)"f", __pyx_getprop_3_sa_4Rule_f, 0, 0, 0},
+  {(char *)"e", __pyx_getprop_3_sa_4Rule_e, 0, 0, 0},
+  {(char *)"word_alignments", __pyx_getprop_3_sa_4Rule_word_alignments, __pyx_setprop_3_sa_4Rule_word_alignments, 0, 0},
+  {0, 0, 0, 0, 0}
+};
+
+static PyNumberMethods __pyx_tp_as_number_Rule = {
   0, /*nb_add*/
   0, /*nb_subtract*/
   0, /*nb_multiply*/
@@ -53731,7 +53834,7 @@ static PyNumberMethods __pyx_tp_as_number_IntList = {
   #if PY_MAJOR_VERSION < 3
   0, /*nb_hex*/
   #endif
-  0, /*nb_inplace_add*/
+  __pyx_pw_3_sa_4Rule_9__iadd__, /*nb_inplace_add*/
   0, /*nb_inplace_subtract*/
   0, /*nb_inplace_multiply*/
   #if PY_MAJOR_VERSION < 3
@@ -53753,11 +53856,11 @@ static PyNumberMethods __pyx_tp_as_number_IntList = {
   #endif
 };
 
-static PySequenceMethods __pyx_tp_as_sequence_IntList = {
-  __pyx_pw_8_cdec_sa_7IntList_21__len__, /*sq_length*/
+static PySequenceMethods __pyx_tp_as_sequence_Rule = {
+  0, /*sq_length*/
   0, /*sq_concat*/
   0, /*sq_repeat*/
-  __pyx_sq_item_8_cdec_sa_IntList, /*sq_item*/
+  0, /*sq_item*/
   0, /*sq_slice*/
   0, /*sq_ass_item*/
   0, /*sq_ass_slice*/
@@ -53766,13 +53869,13 @@ static PySequenceMethods __pyx_tp_as_sequence_IntList = {
   0, /*sq_inplace_repeat*/
 };
 
-static PyMappingMethods __pyx_tp_as_mapping_IntList = {
-  __pyx_pw_8_cdec_sa_7IntList_21__len__, /*mp_length*/
-  __pyx_pw_8_cdec_sa_7IntList_17__getitem__, /*mp_subscript*/
-  __pyx_mp_ass_subscript_8_cdec_sa_IntList, /*mp_ass_subscript*/
+static PyMappingMethods __pyx_tp_as_mapping_Rule = {
+  0, /*mp_length*/
+  0, /*mp_subscript*/
+  0, /*mp_ass_subscript*/
 };
 
-static PyBufferProcs __pyx_tp_as_buffer_IntList = {
+static PyBufferProcs __pyx_tp_as_buffer_Rule = {
   #if PY_MAJOR_VERSION < 3
   0, /*bf_getreadbuffer*/
   #endif
@@ -53793,41 +53896,41 @@ static PyBufferProcs __pyx_tp_as_buffer_IntList = {
   #endif
 };
 
-static PyTypeObject __pyx_type_8_cdec_sa_IntList = {
+static PyTypeObject __pyx_type_3_sa_Rule = {
   PyVarObject_HEAD_INIT(0, 0)
-  __Pyx_NAMESTR("_cdec_sa.IntList"), /*tp_name*/
-  sizeof(struct __pyx_obj_8_cdec_sa_IntList), /*tp_basicsize*/
+  __Pyx_NAMESTR("_sa.Rule"), /*tp_name*/
+  sizeof(struct __pyx_obj_3_sa_Rule), /*tp_basicsize*/
   0, /*tp_itemsize*/
-  __pyx_tp_dealloc_8_cdec_sa_IntList, /*tp_dealloc*/
+  __pyx_tp_dealloc_3_sa_Rule, /*tp_dealloc*/
   0, /*tp_print*/
   0, /*tp_getattr*/
   0, /*tp_setattr*/
   #if PY_MAJOR_VERSION < 3
-  0, /*tp_compare*/
+  __pyx_pw_3_sa_4Rule_7__cmp__, /*tp_compare*/
   #else
   0, /*reserved*/
   #endif
   0, /*tp_repr*/
-  &__pyx_tp_as_number_IntList, /*tp_as_number*/
-  &__pyx_tp_as_sequence_IntList, /*tp_as_sequence*/
-  &__pyx_tp_as_mapping_IntList, /*tp_as_mapping*/
-  0, /*tp_hash*/
+  &__pyx_tp_as_number_Rule, /*tp_as_number*/
+  &__pyx_tp_as_sequence_Rule, /*tp_as_sequence*/
+  &__pyx_tp_as_mapping_Rule, /*tp_as_mapping*/
+  __pyx_pw_3_sa_4Rule_5__hash__, /*tp_hash*/
   0, /*tp_call*/
-  __pyx_pw_8_cdec_sa_7IntList_3__str__, /*tp_str*/
+  __pyx_pw_3_sa_4Rule_15__str__, /*tp_str*/
   0, /*tp_getattro*/
   0, /*tp_setattro*/
-  &__pyx_tp_as_buffer_IntList, /*tp_as_buffer*/
-  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE, /*tp_flags*/
+  &__pyx_tp_as_buffer_Rule, /*tp_as_buffer*/
+  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
   0, /*tp_doc*/
-  0, /*tp_traverse*/
-  0, /*tp_clear*/
+  __pyx_tp_traverse_3_sa_Rule, /*tp_traverse*/
+  __pyx_tp_clear_3_sa_Rule, /*tp_clear*/
   0, /*tp_richcompare*/
   0, /*tp_weaklistoffset*/
   0, /*tp_iter*/
   0, /*tp_iternext*/
-  __pyx_methods_8_cdec_sa_IntList, /*tp_methods*/
+  __pyx_methods_3_sa_Rule, /*tp_methods*/
   0, /*tp_members*/
-  0, /*tp_getset*/
+  __pyx_getsets_3_sa_Rule, /*tp_getset*/
   0, /*tp_base*/
   0, /*tp_dict*/
   0, /*tp_descr_get*/
@@ -53835,7 +53938,7 @@ static PyTypeObject __pyx_type_8_cdec_sa_IntList = {
   0, /*tp_dictoffset*/
   0, /*tp_init*/
   0, /*tp_alloc*/
-  __pyx_tp_new_8_cdec_sa_IntList, /*tp_new*/
+  __pyx_tp_new_3_sa_Rule, /*tp_new*/
   0, /*tp_free*/
   0, /*tp_is_gc*/
   0, /*tp_bases*/
@@ -53848,38 +53951,59 @@ static PyTypeObject __pyx_type_8_cdec_sa_IntList = {
   0, /*tp_version_tag*/
   #endif
 };
-static struct __pyx_vtabstruct_8_cdec_sa_StringMap __pyx_vtable_8_cdec_sa_StringMap;
+static struct __pyx_vtabstruct_3_sa_FloatList __pyx_vtable_3_sa_FloatList;
 
-static PyObject *__pyx_tp_new_8_cdec_sa_StringMap(PyTypeObject *t, PyObject *a, PyObject *k) {
-  struct __pyx_obj_8_cdec_sa_StringMap *p;
+static PyObject *__pyx_tp_new_3_sa_FloatList(PyTypeObject *t, PyObject *a, PyObject *k) {
+  struct __pyx_obj_3_sa_FloatList *p;
   PyObject *o = (*t->tp_alloc)(t, 0);
   if (!o) return 0;
-  p = ((struct __pyx_obj_8_cdec_sa_StringMap *)o);
-  p->__pyx_vtab = __pyx_vtabptr_8_cdec_sa_StringMap;
-  if (__pyx_pw_8_cdec_sa_9StringMap_1__cinit__(o, __pyx_empty_tuple, NULL) < 0) {
+  p = ((struct __pyx_obj_3_sa_FloatList *)o);
+  p->__pyx_vtab = __pyx_vtabptr_3_sa_FloatList;
+  if (__pyx_pw_3_sa_9FloatList_1__cinit__(o, a, k) < 0) {
     Py_DECREF(o); o = 0;
   }
   return o;
 }
 
-static void __pyx_tp_dealloc_8_cdec_sa_StringMap(PyObject *o) {
+static void __pyx_tp_dealloc_3_sa_FloatList(PyObject *o) {
   {
     PyObject *etype, *eval, *etb;
     PyErr_Fetch(&etype, &eval, &etb);
     ++Py_REFCNT(o);
-    __pyx_pw_8_cdec_sa_9StringMap_3__dealloc__(o);
+    __pyx_pw_3_sa_9FloatList_3__dealloc__(o);
     if (PyErr_Occurred()) PyErr_WriteUnraisable(o);
     --Py_REFCNT(o);
     PyErr_Restore(etype, eval, etb);
   }
   (*Py_TYPE(o)->tp_free)(o);
 }
+static PyObject *__pyx_sq_item_3_sa_FloatList(PyObject *o, Py_ssize_t i) {
+  PyObject *r;
+  PyObject *x = PyInt_FromSsize_t(i); if(!x) return 0;
+  r = Py_TYPE(o)->tp_as_mapping->mp_subscript(o, x);
+  Py_DECREF(x);
+  return r;
+}
+
+static int __pyx_mp_ass_subscript_3_sa_FloatList(PyObject *o, PyObject *i, PyObject *v) {
+  if (v) {
+    return __pyx_pw_3_sa_9FloatList_7__setitem__(o, i, v);
+  }
+  else {
+    PyErr_Format(PyExc_NotImplementedError,
+      "Subscript deletion not supported by %s", Py_TYPE(o)->tp_name);
+    return -1;
+  }
+}
 
-static PyMethodDef __pyx_methods_8_cdec_sa_StringMap[] = {
+static PyMethodDef __pyx_methods_3_sa_FloatList[] = {
+  {__Pyx_NAMESTR("append"), (PyCFunction)__pyx_pw_3_sa_9FloatList_11append, METH_O, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("write"), (PyCFunction)__pyx_pw_3_sa_9FloatList_13write, METH_O, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("read"), (PyCFunction)__pyx_pw_3_sa_9FloatList_15read, METH_O, __Pyx_DOCSTR(0)},
   {0, 0, 0, 0}
 };
 
-static PyNumberMethods __pyx_tp_as_number_StringMap = {
+static PyNumberMethods __pyx_tp_as_number_FloatList = {
   0, /*nb_add*/
   0, /*nb_subtract*/
   0, /*nb_multiply*/
@@ -53937,11 +54061,11 @@ static PyNumberMethods __pyx_tp_as_number_StringMap = {
   #endif
 };
 
-static PySequenceMethods __pyx_tp_as_sequence_StringMap = {
-  0, /*sq_length*/
+static PySequenceMethods __pyx_tp_as_sequence_FloatList = {
+  __pyx_pw_3_sa_9FloatList_9__len__, /*sq_length*/
   0, /*sq_concat*/
   0, /*sq_repeat*/
-  0, /*sq_item*/
+  __pyx_sq_item_3_sa_FloatList, /*sq_item*/
   0, /*sq_slice*/
   0, /*sq_ass_item*/
   0, /*sq_ass_slice*/
@@ -53950,13 +54074,13 @@ static PySequenceMethods __pyx_tp_as_sequence_StringMap = {
   0, /*sq_inplace_repeat*/
 };
 
-static PyMappingMethods __pyx_tp_as_mapping_StringMap = {
-  0, /*mp_length*/
-  0, /*mp_subscript*/
-  0, /*mp_ass_subscript*/
+static PyMappingMethods __pyx_tp_as_mapping_FloatList = {
+  __pyx_pw_3_sa_9FloatList_9__len__, /*mp_length*/
+  __pyx_pw_3_sa_9FloatList_5__getitem__, /*mp_subscript*/
+  __pyx_mp_ass_subscript_3_sa_FloatList, /*mp_ass_subscript*/
 };
 
-static PyBufferProcs __pyx_tp_as_buffer_StringMap = {
+static PyBufferProcs __pyx_tp_as_buffer_FloatList = {
   #if PY_MAJOR_VERSION < 3
   0, /*bf_getreadbuffer*/
   #endif
@@ -53977,12 +54101,12 @@ static PyBufferProcs __pyx_tp_as_buffer_StringMap = {
   #endif
 };
 
-static PyTypeObject __pyx_type_8_cdec_sa_StringMap = {
+static PyTypeObject __pyx_type_3_sa_FloatList = {
   PyVarObject_HEAD_INIT(0, 0)
-  __Pyx_NAMESTR("_cdec_sa.StringMap"), /*tp_name*/
-  sizeof(struct __pyx_obj_8_cdec_sa_StringMap), /*tp_basicsize*/
+  __Pyx_NAMESTR("_sa.FloatList"), /*tp_name*/
+  sizeof(struct __pyx_obj_3_sa_FloatList), /*tp_basicsize*/
   0, /*tp_itemsize*/
-  __pyx_tp_dealloc_8_cdec_sa_StringMap, /*tp_dealloc*/
+  __pyx_tp_dealloc_3_sa_FloatList, /*tp_dealloc*/
   0, /*tp_print*/
   0, /*tp_getattr*/
   0, /*tp_setattr*/
@@ -53992,15 +54116,15 @@ static PyTypeObject __pyx_type_8_cdec_sa_StringMap = {
   0, /*reserved*/
   #endif
   0, /*tp_repr*/
-  &__pyx_tp_as_number_StringMap, /*tp_as_number*/
-  &__pyx_tp_as_sequence_StringMap, /*tp_as_sequence*/
-  &__pyx_tp_as_mapping_StringMap, /*tp_as_mapping*/
+  &__pyx_tp_as_number_FloatList, /*tp_as_number*/
+  &__pyx_tp_as_sequence_FloatList, /*tp_as_sequence*/
+  &__pyx_tp_as_mapping_FloatList, /*tp_as_mapping*/
   0, /*tp_hash*/
   0, /*tp_call*/
   0, /*tp_str*/
   0, /*tp_getattro*/
   0, /*tp_setattro*/
-  &__pyx_tp_as_buffer_StringMap, /*tp_as_buffer*/
+  &__pyx_tp_as_buffer_FloatList, /*tp_as_buffer*/
   Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE, /*tp_flags*/
   0, /*tp_doc*/
   0, /*tp_traverse*/
@@ -54009,7 +54133,7 @@ static PyTypeObject __pyx_type_8_cdec_sa_StringMap = {
   0, /*tp_weaklistoffset*/
   0, /*tp_iter*/
   0, /*tp_iternext*/
-  __pyx_methods_8_cdec_sa_StringMap, /*tp_methods*/
+  __pyx_methods_3_sa_FloatList, /*tp_methods*/
   0, /*tp_members*/
   0, /*tp_getset*/
   0, /*tp_base*/
@@ -54019,7 +54143,7 @@ static PyTypeObject __pyx_type_8_cdec_sa_StringMap = {
   0, /*tp_dictoffset*/
   0, /*tp_init*/
   0, /*tp_alloc*/
-  __pyx_tp_new_8_cdec_sa_StringMap, /*tp_new*/
+  __pyx_tp_new_3_sa_FloatList, /*tp_new*/
   0, /*tp_free*/
   0, /*tp_is_gc*/
   0, /*tp_bases*/
@@ -54032,93 +54156,66 @@ static PyTypeObject __pyx_type_8_cdec_sa_StringMap = {
   0, /*tp_version_tag*/
   #endif
 };
-static struct __pyx_vtabstruct_8_cdec_sa_DataArray __pyx_vtable_8_cdec_sa_DataArray;
+static struct __pyx_vtabstruct_3_sa_IntList __pyx_vtable_3_sa_IntList;
 
-static PyObject *__pyx_tp_new_8_cdec_sa_DataArray(PyTypeObject *t, PyObject *a, PyObject *k) {
-  struct __pyx_obj_8_cdec_sa_DataArray *p;
+static PyObject *__pyx_tp_new_3_sa_IntList(PyTypeObject *t, PyObject *a, PyObject *k) {
+  struct __pyx_obj_3_sa_IntList *p;
   PyObject *o = (*t->tp_alloc)(t, 0);
   if (!o) return 0;
-  p = ((struct __pyx_obj_8_cdec_sa_DataArray *)o);
-  p->__pyx_vtab = __pyx_vtabptr_8_cdec_sa_DataArray;
-  p->word2id = Py_None; Py_INCREF(Py_None);
-  p->id2word = Py_None; Py_INCREF(Py_None);
-  p->data = ((struct __pyx_obj_8_cdec_sa_IntList *)Py_None); Py_INCREF(Py_None);
-  p->sent_id = ((struct __pyx_obj_8_cdec_sa_IntList *)Py_None); Py_INCREF(Py_None);
-  p->sent_index = ((struct __pyx_obj_8_cdec_sa_IntList *)Py_None); Py_INCREF(Py_None);
-  if (__pyx_pw_8_cdec_sa_9DataArray_1__cinit__(o, a, k) < 0) {
+  p = ((struct __pyx_obj_3_sa_IntList *)o);
+  p->__pyx_vtab = __pyx_vtabptr_3_sa_IntList;
+  if (__pyx_pw_3_sa_7IntList_1__cinit__(o, a, k) < 0) {
     Py_DECREF(o); o = 0;
   }
   return o;
 }
 
-static void __pyx_tp_dealloc_8_cdec_sa_DataArray(PyObject *o) {
-  struct __pyx_obj_8_cdec_sa_DataArray *p = (struct __pyx_obj_8_cdec_sa_DataArray *)o;
-  Py_XDECREF(p->word2id);
-  Py_XDECREF(p->id2word);
-  Py_XDECREF(((PyObject *)p->data));
-  Py_XDECREF(((PyObject *)p->sent_id));
-  Py_XDECREF(((PyObject *)p->sent_index));
+static void __pyx_tp_dealloc_3_sa_IntList(PyObject *o) {
+  {
+    PyObject *etype, *eval, *etb;
+    PyErr_Fetch(&etype, &eval, &etb);
+    ++Py_REFCNT(o);
+    __pyx_pw_3_sa_7IntList_15__dealloc__(o);
+    if (PyErr_Occurred()) PyErr_WriteUnraisable(o);
+    --Py_REFCNT(o);
+    PyErr_Restore(etype, eval, etb);
+  }
   (*Py_TYPE(o)->tp_free)(o);
 }
+static PyObject *__pyx_sq_item_3_sa_IntList(PyObject *o, Py_ssize_t i) {
+  PyObject *r;
+  PyObject *x = PyInt_FromSsize_t(i); if(!x) return 0;
+  r = Py_TYPE(o)->tp_as_mapping->mp_subscript(o, x);
+  Py_DECREF(x);
+  return r;
+}
 
-static int __pyx_tp_traverse_8_cdec_sa_DataArray(PyObject *o, visitproc v, void *a) {
-  int e;
-  struct __pyx_obj_8_cdec_sa_DataArray *p = (struct __pyx_obj_8_cdec_sa_DataArray *)o;
-  if (p->word2id) {
-    e = (*v)(p->word2id, a); if (e) return e;
-  }
-  if (p->id2word) {
-    e = (*v)(p->id2word, a); if (e) return e;
-  }
-  if (p->data) {
-    e = (*v)(((PyObject*)p->data), a); if (e) return e;
-  }
-  if (p->sent_id) {
-    e = (*v)(((PyObject*)p->sent_id), a); if (e) return e;
+static int __pyx_mp_ass_subscript_3_sa_IntList(PyObject *o, PyObject *i, PyObject *v) {
+  if (v) {
+    return __pyx_pw_3_sa_7IntList_19__setitem__(o, i, v);
   }
-  if (p->sent_index) {
-    e = (*v)(((PyObject*)p->sent_index), a); if (e) return e;
+  else {
+    PyErr_Format(PyExc_NotImplementedError,
+      "Subscript deletion not supported by %s", Py_TYPE(o)->tp_name);
+    return -1;
   }
-  return 0;
 }
 
-static int __pyx_tp_clear_8_cdec_sa_DataArray(PyObject *o) {
-  struct __pyx_obj_8_cdec_sa_DataArray *p = (struct __pyx_obj_8_cdec_sa_DataArray *)o;
-  PyObject* tmp;
-  tmp = ((PyObject*)p->word2id);
-  p->word2id = Py_None; Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->id2word);
-  p->id2word = Py_None; Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->data);
-  p->data = ((struct __pyx_obj_8_cdec_sa_IntList *)Py_None); Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->sent_id);
-  p->sent_id = ((struct __pyx_obj_8_cdec_sa_IntList *)Py_None); Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->sent_index);
-  p->sent_index = ((struct __pyx_obj_8_cdec_sa_IntList *)Py_None); Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  return 0;
-}
-
-static PyMethodDef __pyx_methods_8_cdec_sa_DataArray[] = {
-  {__Pyx_NAMESTR("getSentId"), (PyCFunction)__pyx_pw_8_cdec_sa_9DataArray_5getSentId, METH_O, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("getSent"), (PyCFunction)__pyx_pw_8_cdec_sa_9DataArray_7getSent, METH_O, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("getSentPos"), (PyCFunction)__pyx_pw_8_cdec_sa_9DataArray_9getSentPos, METH_O, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("get_id"), (PyCFunction)__pyx_pw_8_cdec_sa_9DataArray_11get_id, METH_O, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("get_word"), (PyCFunction)__pyx_pw_8_cdec_sa_9DataArray_13get_word, METH_O, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("write_text"), (PyCFunction)__pyx_pw_8_cdec_sa_9DataArray_15write_text, METH_O, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("read_text"), (PyCFunction)__pyx_pw_8_cdec_sa_9DataArray_17read_text, METH_O, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("read_binary"), (PyCFunction)__pyx_pw_8_cdec_sa_9DataArray_19read_binary, METH_O, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("write_binary"), (PyCFunction)__pyx_pw_8_cdec_sa_9DataArray_21write_binary, METH_O, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("write_enhanced_handle"), (PyCFunction)__pyx_pw_8_cdec_sa_9DataArray_23write_enhanced_handle, METH_O, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("write_enhanced"), (PyCFunction)__pyx_pw_8_cdec_sa_9DataArray_25write_enhanced, METH_O, __Pyx_DOCSTR(0)},
+static PyMethodDef __pyx_methods_3_sa_IntList[] = {
+  {__Pyx_NAMESTR("index"), (PyCFunction)__pyx_pw_3_sa_7IntList_5index, METH_O, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("partition"), (PyCFunction)__pyx_pw_3_sa_7IntList_7partition, METH_VARARGS|METH_KEYWORDS, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("_doquicksort"), (PyCFunction)__pyx_pw_3_sa_7IntList_9_doquicksort, METH_VARARGS|METH_KEYWORDS, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("sort"), (PyCFunction)__pyx_pw_3_sa_7IntList_11sort, METH_NOARGS, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("reset"), (PyCFunction)__pyx_pw_3_sa_7IntList_13reset, METH_NOARGS, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("getSize"), (PyCFunction)__pyx_pw_3_sa_7IntList_23getSize, METH_NOARGS, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("append"), (PyCFunction)__pyx_pw_3_sa_7IntList_25append, METH_O, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("extend"), (PyCFunction)__pyx_pw_3_sa_7IntList_27extend, METH_O, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("write"), (PyCFunction)__pyx_pw_3_sa_7IntList_29write, METH_O, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("read"), (PyCFunction)__pyx_pw_3_sa_7IntList_31read, METH_O, __Pyx_DOCSTR(0)},
   {0, 0, 0, 0}
 };
 
-static PyNumberMethods __pyx_tp_as_number_DataArray = {
+static PyNumberMethods __pyx_tp_as_number_IntList = {
   0, /*nb_add*/
   0, /*nb_subtract*/
   0, /*nb_multiply*/
@@ -54176,11 +54273,11 @@ static PyNumberMethods __pyx_tp_as_number_DataArray = {
   #endif
 };
 
-static PySequenceMethods __pyx_tp_as_sequence_DataArray = {
-  __pyx_pw_8_cdec_sa_9DataArray_3__len__, /*sq_length*/
+static PySequenceMethods __pyx_tp_as_sequence_IntList = {
+  __pyx_pw_3_sa_7IntList_21__len__, /*sq_length*/
   0, /*sq_concat*/
   0, /*sq_repeat*/
-  0, /*sq_item*/
+  __pyx_sq_item_3_sa_IntList, /*sq_item*/
   0, /*sq_slice*/
   0, /*sq_ass_item*/
   0, /*sq_ass_slice*/
@@ -54189,13 +54286,13 @@ static PySequenceMethods __pyx_tp_as_sequence_DataArray = {
   0, /*sq_inplace_repeat*/
 };
 
-static PyMappingMethods __pyx_tp_as_mapping_DataArray = {
-  __pyx_pw_8_cdec_sa_9DataArray_3__len__, /*mp_length*/
-  0, /*mp_subscript*/
-  0, /*mp_ass_subscript*/
+static PyMappingMethods __pyx_tp_as_mapping_IntList = {
+  __pyx_pw_3_sa_7IntList_21__len__, /*mp_length*/
+  __pyx_pw_3_sa_7IntList_17__getitem__, /*mp_subscript*/
+  __pyx_mp_ass_subscript_3_sa_IntList, /*mp_ass_subscript*/
 };
 
-static PyBufferProcs __pyx_tp_as_buffer_DataArray = {
+static PyBufferProcs __pyx_tp_as_buffer_IntList = {
   #if PY_MAJOR_VERSION < 3
   0, /*bf_getreadbuffer*/
   #endif
@@ -54216,12 +54313,12 @@ static PyBufferProcs __pyx_tp_as_buffer_DataArray = {
   #endif
 };
 
-static PyTypeObject __pyx_type_8_cdec_sa_DataArray = {
+static PyTypeObject __pyx_type_3_sa_IntList = {
   PyVarObject_HEAD_INIT(0, 0)
-  __Pyx_NAMESTR("_cdec_sa.DataArray"), /*tp_name*/
-  sizeof(struct __pyx_obj_8_cdec_sa_DataArray), /*tp_basicsize*/
+  __Pyx_NAMESTR("_sa.IntList"), /*tp_name*/
+  sizeof(struct __pyx_obj_3_sa_IntList), /*tp_basicsize*/
   0, /*tp_itemsize*/
-  __pyx_tp_dealloc_8_cdec_sa_DataArray, /*tp_dealloc*/
+  __pyx_tp_dealloc_3_sa_IntList, /*tp_dealloc*/
   0, /*tp_print*/
   0, /*tp_getattr*/
   0, /*tp_setattr*/
@@ -54231,24 +54328,24 @@ static PyTypeObject __pyx_type_8_cdec_sa_DataArray = {
   0, /*reserved*/
   #endif
   0, /*tp_repr*/
-  &__pyx_tp_as_number_DataArray, /*tp_as_number*/
-  &__pyx_tp_as_sequence_DataArray, /*tp_as_sequence*/
-  &__pyx_tp_as_mapping_DataArray, /*tp_as_mapping*/
+  &__pyx_tp_as_number_IntList, /*tp_as_number*/
+  &__pyx_tp_as_sequence_IntList, /*tp_as_sequence*/
+  &__pyx_tp_as_mapping_IntList, /*tp_as_mapping*/
   0, /*tp_hash*/
   0, /*tp_call*/
-  0, /*tp_str*/
+  __pyx_pw_3_sa_7IntList_3__str__, /*tp_str*/
   0, /*tp_getattro*/
   0, /*tp_setattro*/
-  &__pyx_tp_as_buffer_DataArray, /*tp_as_buffer*/
-  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
+  &__pyx_tp_as_buffer_IntList, /*tp_as_buffer*/
+  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE, /*tp_flags*/
   0, /*tp_doc*/
-  __pyx_tp_traverse_8_cdec_sa_DataArray, /*tp_traverse*/
-  __pyx_tp_clear_8_cdec_sa_DataArray, /*tp_clear*/
+  0, /*tp_traverse*/
+  0, /*tp_clear*/
   0, /*tp_richcompare*/
   0, /*tp_weaklistoffset*/
   0, /*tp_iter*/
   0, /*tp_iternext*/
-  __pyx_methods_8_cdec_sa_DataArray, /*tp_methods*/
+  __pyx_methods_3_sa_IntList, /*tp_methods*/
   0, /*tp_members*/
   0, /*tp_getset*/
   0, /*tp_base*/
@@ -54258,7 +54355,7 @@ static PyTypeObject __pyx_type_8_cdec_sa_DataArray = {
   0, /*tp_dictoffset*/
   0, /*tp_init*/
   0, /*tp_alloc*/
-  __pyx_tp_new_8_cdec_sa_DataArray, /*tp_new*/
+  __pyx_tp_new_3_sa_IntList, /*tp_new*/
   0, /*tp_free*/
   0, /*tp_is_gc*/
   0, /*tp_bases*/
@@ -54271,66 +54368,38 @@ static PyTypeObject __pyx_type_8_cdec_sa_DataArray = {
   0, /*tp_version_tag*/
   #endif
 };
-static struct __pyx_vtabstruct_8_cdec_sa_Alignment __pyx_vtable_8_cdec_sa_Alignment;
+static struct __pyx_vtabstruct_3_sa_StringMap __pyx_vtable_3_sa_StringMap;
 
-static PyObject *__pyx_tp_new_8_cdec_sa_Alignment(PyTypeObject *t, PyObject *a, PyObject *k) {
-  struct __pyx_obj_8_cdec_sa_Alignment *p;
+static PyObject *__pyx_tp_new_3_sa_StringMap(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
+  struct __pyx_obj_3_sa_StringMap *p;
   PyObject *o = (*t->tp_alloc)(t, 0);
   if (!o) return 0;
-  p = ((struct __pyx_obj_8_cdec_sa_Alignment *)o);
-  p->__pyx_vtab = __pyx_vtabptr_8_cdec_sa_Alignment;
-  p->links = ((struct __pyx_obj_8_cdec_sa_IntList *)Py_None); Py_INCREF(Py_None);
-  p->sent_index = ((struct __pyx_obj_8_cdec_sa_IntList *)Py_None); Py_INCREF(Py_None);
-  if (__pyx_pw_8_cdec_sa_9Alignment_5__cinit__(o, a, k) < 0) {
+  p = ((struct __pyx_obj_3_sa_StringMap *)o);
+  p->__pyx_vtab = __pyx_vtabptr_3_sa_StringMap;
+  if (__pyx_pw_3_sa_9StringMap_1__cinit__(o, __pyx_empty_tuple, NULL) < 0) {
     Py_DECREF(o); o = 0;
   }
   return o;
 }
 
-static void __pyx_tp_dealloc_8_cdec_sa_Alignment(PyObject *o) {
-  struct __pyx_obj_8_cdec_sa_Alignment *p = (struct __pyx_obj_8_cdec_sa_Alignment *)o;
-  Py_XDECREF(((PyObject *)p->links));
-  Py_XDECREF(((PyObject *)p->sent_index));
-  (*Py_TYPE(o)->tp_free)(o);
-}
-
-static int __pyx_tp_traverse_8_cdec_sa_Alignment(PyObject *o, visitproc v, void *a) {
-  int e;
-  struct __pyx_obj_8_cdec_sa_Alignment *p = (struct __pyx_obj_8_cdec_sa_Alignment *)o;
-  if (p->links) {
-    e = (*v)(((PyObject*)p->links), a); if (e) return e;
-  }
-  if (p->sent_index) {
-    e = (*v)(((PyObject*)p->sent_index), a); if (e) return e;
+static void __pyx_tp_dealloc_3_sa_StringMap(PyObject *o) {
+  {
+    PyObject *etype, *eval, *etb;
+    PyErr_Fetch(&etype, &eval, &etb);
+    ++Py_REFCNT(o);
+    __pyx_pw_3_sa_9StringMap_3__dealloc__(o);
+    if (PyErr_Occurred()) PyErr_WriteUnraisable(o);
+    --Py_REFCNT(o);
+    PyErr_Restore(etype, eval, etb);
   }
-  return 0;
-}
-
-static int __pyx_tp_clear_8_cdec_sa_Alignment(PyObject *o) {
-  struct __pyx_obj_8_cdec_sa_Alignment *p = (struct __pyx_obj_8_cdec_sa_Alignment *)o;
-  PyObject* tmp;
-  tmp = ((PyObject*)p->links);
-  p->links = ((struct __pyx_obj_8_cdec_sa_IntList *)Py_None); Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->sent_index);
-  p->sent_index = ((struct __pyx_obj_8_cdec_sa_IntList *)Py_None); Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  return 0;
+  (*Py_TYPE(o)->tp_free)(o);
 }
 
-static PyMethodDef __pyx_methods_8_cdec_sa_Alignment[] = {
-  {__Pyx_NAMESTR("unlink"), (PyCFunction)__pyx_pw_8_cdec_sa_9Alignment_1unlink, METH_O, __Pyx_DOCSTR(__pyx_doc_8_cdec_sa_9Alignment_unlink)},
-  {__Pyx_NAMESTR("get_sent_links"), (PyCFunction)__pyx_pw_8_cdec_sa_9Alignment_3get_sent_links, METH_O, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("read_text"), (PyCFunction)__pyx_pw_8_cdec_sa_9Alignment_7read_text, METH_O, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("read_binary"), (PyCFunction)__pyx_pw_8_cdec_sa_9Alignment_9read_binary, METH_O, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("write_text"), (PyCFunction)__pyx_pw_8_cdec_sa_9Alignment_11write_text, METH_O, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("write_binary"), (PyCFunction)__pyx_pw_8_cdec_sa_9Alignment_13write_binary, METH_O, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("write_enhanced"), (PyCFunction)__pyx_pw_8_cdec_sa_9Alignment_15write_enhanced, METH_O, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("alignment"), (PyCFunction)__pyx_pw_8_cdec_sa_9Alignment_17alignment, METH_O, __Pyx_DOCSTR(__pyx_doc_8_cdec_sa_9Alignment_16alignment)},
+static PyMethodDef __pyx_methods_3_sa_StringMap[] = {
   {0, 0, 0, 0}
 };
 
-static PyNumberMethods __pyx_tp_as_number_Alignment = {
+static PyNumberMethods __pyx_tp_as_number_StringMap = {
   0, /*nb_add*/
   0, /*nb_subtract*/
   0, /*nb_multiply*/
@@ -54388,7 +54457,7 @@ static PyNumberMethods __pyx_tp_as_number_Alignment = {
   #endif
 };
 
-static PySequenceMethods __pyx_tp_as_sequence_Alignment = {
+static PySequenceMethods __pyx_tp_as_sequence_StringMap = {
   0, /*sq_length*/
   0, /*sq_concat*/
   0, /*sq_repeat*/
@@ -54401,13 +54470,13 @@ static PySequenceMethods __pyx_tp_as_sequence_Alignment = {
   0, /*sq_inplace_repeat*/
 };
 
-static PyMappingMethods __pyx_tp_as_mapping_Alignment = {
+static PyMappingMethods __pyx_tp_as_mapping_StringMap = {
   0, /*mp_length*/
   0, /*mp_subscript*/
   0, /*mp_ass_subscript*/
 };
 
-static PyBufferProcs __pyx_tp_as_buffer_Alignment = {
+static PyBufferProcs __pyx_tp_as_buffer_StringMap = {
   #if PY_MAJOR_VERSION < 3
   0, /*bf_getreadbuffer*/
   #endif
@@ -54428,12 +54497,12 @@ static PyBufferProcs __pyx_tp_as_buffer_Alignment = {
   #endif
 };
 
-static PyTypeObject __pyx_type_8_cdec_sa_Alignment = {
+static PyTypeObject __pyx_type_3_sa_StringMap = {
   PyVarObject_HEAD_INIT(0, 0)
-  __Pyx_NAMESTR("_cdec_sa.Alignment"), /*tp_name*/
-  sizeof(struct __pyx_obj_8_cdec_sa_Alignment), /*tp_basicsize*/
+  __Pyx_NAMESTR("_sa.StringMap"), /*tp_name*/
+  sizeof(struct __pyx_obj_3_sa_StringMap), /*tp_basicsize*/
   0, /*tp_itemsize*/
-  __pyx_tp_dealloc_8_cdec_sa_Alignment, /*tp_dealloc*/
+  __pyx_tp_dealloc_3_sa_StringMap, /*tp_dealloc*/
   0, /*tp_print*/
   0, /*tp_getattr*/
   0, /*tp_setattr*/
@@ -54443,24 +54512,24 @@ static PyTypeObject __pyx_type_8_cdec_sa_Alignment = {
   0, /*reserved*/
   #endif
   0, /*tp_repr*/
-  &__pyx_tp_as_number_Alignment, /*tp_as_number*/
-  &__pyx_tp_as_sequence_Alignment, /*tp_as_sequence*/
-  &__pyx_tp_as_mapping_Alignment, /*tp_as_mapping*/
+  &__pyx_tp_as_number_StringMap, /*tp_as_number*/
+  &__pyx_tp_as_sequence_StringMap, /*tp_as_sequence*/
+  &__pyx_tp_as_mapping_StringMap, /*tp_as_mapping*/
   0, /*tp_hash*/
   0, /*tp_call*/
   0, /*tp_str*/
   0, /*tp_getattro*/
   0, /*tp_setattro*/
-  &__pyx_tp_as_buffer_Alignment, /*tp_as_buffer*/
-  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
+  &__pyx_tp_as_buffer_StringMap, /*tp_as_buffer*/
+  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE, /*tp_flags*/
   0, /*tp_doc*/
-  __pyx_tp_traverse_8_cdec_sa_Alignment, /*tp_traverse*/
-  __pyx_tp_clear_8_cdec_sa_Alignment, /*tp_clear*/
+  0, /*tp_traverse*/
+  0, /*tp_clear*/
   0, /*tp_richcompare*/
   0, /*tp_weaklistoffset*/
   0, /*tp_iter*/
   0, /*tp_iternext*/
-  __pyx_methods_8_cdec_sa_Alignment, /*tp_methods*/
+  __pyx_methods_3_sa_StringMap, /*tp_methods*/
   0, /*tp_members*/
   0, /*tp_getset*/
   0, /*tp_base*/
@@ -54470,7 +54539,7 @@ static PyTypeObject __pyx_type_8_cdec_sa_Alignment = {
   0, /*tp_dictoffset*/
   0, /*tp_init*/
   0, /*tp_alloc*/
-  __pyx_tp_new_8_cdec_sa_Alignment, /*tp_new*/
+  __pyx_tp_new_3_sa_StringMap, /*tp_new*/
   0, /*tp_free*/
   0, /*tp_is_gc*/
   0, /*tp_bases*/
@@ -54483,114 +54552,93 @@ static PyTypeObject __pyx_type_8_cdec_sa_Alignment = {
   0, /*tp_version_tag*/
   #endif
 };
-static struct __pyx_vtabstruct_8_cdec_sa_BiLex __pyx_vtable_8_cdec_sa_BiLex;
+static struct __pyx_vtabstruct_3_sa_DataArray __pyx_vtable_3_sa_DataArray;
 
-static PyObject *__pyx_tp_new_8_cdec_sa_BiLex(PyTypeObject *t, PyObject *a, PyObject *k) {
-  struct __pyx_obj_8_cdec_sa_BiLex *p;
+static PyObject *__pyx_tp_new_3_sa_DataArray(PyTypeObject *t, PyObject *a, PyObject *k) {
+  struct __pyx_obj_3_sa_DataArray *p;
   PyObject *o = (*t->tp_alloc)(t, 0);
   if (!o) return 0;
-  p = ((struct __pyx_obj_8_cdec_sa_BiLex *)o);
-  p->__pyx_vtab = __pyx_vtabptr_8_cdec_sa_BiLex;
-  p->col1 = ((struct __pyx_obj_8_cdec_sa_FloatList *)Py_None); Py_INCREF(Py_None);
-  p->col2 = ((struct __pyx_obj_8_cdec_sa_FloatList *)Py_None); Py_INCREF(Py_None);
-  p->f_index = ((struct __pyx_obj_8_cdec_sa_IntList *)Py_None); Py_INCREF(Py_None);
-  p->e_index = ((struct __pyx_obj_8_cdec_sa_IntList *)Py_None); Py_INCREF(Py_None);
-  p->id2eword = Py_None; Py_INCREF(Py_None);
-  p->id2fword = Py_None; Py_INCREF(Py_None);
-  p->eword2id = Py_None; Py_INCREF(Py_None);
-  p->fword2id = Py_None; Py_INCREF(Py_None);
-  if (__pyx_pw_8_cdec_sa_5BiLex_1__cinit__(o, a, k) < 0) {
+  p = ((struct __pyx_obj_3_sa_DataArray *)o);
+  p->__pyx_vtab = __pyx_vtabptr_3_sa_DataArray;
+  p->word2id = Py_None; Py_INCREF(Py_None);
+  p->id2word = Py_None; Py_INCREF(Py_None);
+  p->data = ((struct __pyx_obj_3_sa_IntList *)Py_None); Py_INCREF(Py_None);
+  p->sent_id = ((struct __pyx_obj_3_sa_IntList *)Py_None); Py_INCREF(Py_None);
+  p->sent_index = ((struct __pyx_obj_3_sa_IntList *)Py_None); Py_INCREF(Py_None);
+  if (__pyx_pw_3_sa_9DataArray_1__cinit__(o, a, k) < 0) {
     Py_DECREF(o); o = 0;
   }
   return o;
 }
 
-static void __pyx_tp_dealloc_8_cdec_sa_BiLex(PyObject *o) {
-  struct __pyx_obj_8_cdec_sa_BiLex *p = (struct __pyx_obj_8_cdec_sa_BiLex *)o;
-  Py_XDECREF(((PyObject *)p->col1));
-  Py_XDECREF(((PyObject *)p->col2));
-  Py_XDECREF(((PyObject *)p->f_index));
-  Py_XDECREF(((PyObject *)p->e_index));
-  Py_XDECREF(p->id2eword);
-  Py_XDECREF(p->id2fword);
-  Py_XDECREF(p->eword2id);
-  Py_XDECREF(p->fword2id);
+static void __pyx_tp_dealloc_3_sa_DataArray(PyObject *o) {
+  struct __pyx_obj_3_sa_DataArray *p = (struct __pyx_obj_3_sa_DataArray *)o;
+  Py_XDECREF(p->word2id);
+  Py_XDECREF(p->id2word);
+  Py_XDECREF(((PyObject *)p->data));
+  Py_XDECREF(((PyObject *)p->sent_id));
+  Py_XDECREF(((PyObject *)p->sent_index));
   (*Py_TYPE(o)->tp_free)(o);
 }
 
-static int __pyx_tp_traverse_8_cdec_sa_BiLex(PyObject *o, visitproc v, void *a) {
+static int __pyx_tp_traverse_3_sa_DataArray(PyObject *o, visitproc v, void *a) {
   int e;
-  struct __pyx_obj_8_cdec_sa_BiLex *p = (struct __pyx_obj_8_cdec_sa_BiLex *)o;
-  if (p->col1) {
-    e = (*v)(((PyObject*)p->col1), a); if (e) return e;
-  }
-  if (p->col2) {
-    e = (*v)(((PyObject*)p->col2), a); if (e) return e;
-  }
-  if (p->f_index) {
-    e = (*v)(((PyObject*)p->f_index), a); if (e) return e;
-  }
-  if (p->e_index) {
-    e = (*v)(((PyObject*)p->e_index), a); if (e) return e;
+  struct __pyx_obj_3_sa_DataArray *p = (struct __pyx_obj_3_sa_DataArray *)o;
+  if (p->word2id) {
+    e = (*v)(p->word2id, a); if (e) return e;
   }
-  if (p->id2eword) {
-    e = (*v)(p->id2eword, a); if (e) return e;
+  if (p->id2word) {
+    e = (*v)(p->id2word, a); if (e) return e;
   }
-  if (p->id2fword) {
-    e = (*v)(p->id2fword, a); if (e) return e;
+  if (p->data) {
+    e = (*v)(((PyObject*)p->data), a); if (e) return e;
   }
-  if (p->eword2id) {
-    e = (*v)(p->eword2id, a); if (e) return e;
+  if (p->sent_id) {
+    e = (*v)(((PyObject*)p->sent_id), a); if (e) return e;
   }
-  if (p->fword2id) {
-    e = (*v)(p->fword2id, a); if (e) return e;
+  if (p->sent_index) {
+    e = (*v)(((PyObject*)p->sent_index), a); if (e) return e;
   }
   return 0;
 }
 
-static int __pyx_tp_clear_8_cdec_sa_BiLex(PyObject *o) {
-  struct __pyx_obj_8_cdec_sa_BiLex *p = (struct __pyx_obj_8_cdec_sa_BiLex *)o;
+static int __pyx_tp_clear_3_sa_DataArray(PyObject *o) {
+  struct __pyx_obj_3_sa_DataArray *p = (struct __pyx_obj_3_sa_DataArray *)o;
   PyObject* tmp;
-  tmp = ((PyObject*)p->col1);
-  p->col1 = ((struct __pyx_obj_8_cdec_sa_FloatList *)Py_None); Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->col2);
-  p->col2 = ((struct __pyx_obj_8_cdec_sa_FloatList *)Py_None); Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->f_index);
-  p->f_index = ((struct __pyx_obj_8_cdec_sa_IntList *)Py_None); Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->e_index);
-  p->e_index = ((struct __pyx_obj_8_cdec_sa_IntList *)Py_None); Py_INCREF(Py_None);
+  tmp = ((PyObject*)p->word2id);
+  p->word2id = Py_None; Py_INCREF(Py_None);
   Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->id2eword);
-  p->id2eword = Py_None; Py_INCREF(Py_None);
+  tmp = ((PyObject*)p->id2word);
+  p->id2word = Py_None; Py_INCREF(Py_None);
   Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->id2fword);
-  p->id2fword = Py_None; Py_INCREF(Py_None);
+  tmp = ((PyObject*)p->data);
+  p->data = ((struct __pyx_obj_3_sa_IntList *)Py_None); Py_INCREF(Py_None);
   Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->eword2id);
-  p->eword2id = Py_None; Py_INCREF(Py_None);
+  tmp = ((PyObject*)p->sent_id);
+  p->sent_id = ((struct __pyx_obj_3_sa_IntList *)Py_None); Py_INCREF(Py_None);
   Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->fword2id);
-  p->fword2id = Py_None; Py_INCREF(Py_None);
+  tmp = ((PyObject*)p->sent_index);
+  p->sent_index = ((struct __pyx_obj_3_sa_IntList *)Py_None); Py_INCREF(Py_None);
   Py_XDECREF(tmp);
   return 0;
 }
 
-static PyMethodDef __pyx_methods_8_cdec_sa_BiLex[] = {
-  {__Pyx_NAMESTR("write_binary"), (PyCFunction)__pyx_pw_8_cdec_sa_5BiLex_3write_binary, METH_O, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("read_binary"), (PyCFunction)__pyx_pw_8_cdec_sa_5BiLex_5read_binary, METH_O, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("get_e_id"), (PyCFunction)__pyx_pw_8_cdec_sa_5BiLex_7get_e_id, METH_O, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("get_f_id"), (PyCFunction)__pyx_pw_8_cdec_sa_5BiLex_9get_f_id, METH_O, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("read_text"), (PyCFunction)__pyx_pw_8_cdec_sa_5BiLex_11read_text, METH_O, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("write_enhanced"), (PyCFunction)__pyx_pw_8_cdec_sa_5BiLex_13write_enhanced, METH_O, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("get_score"), (PyCFunction)__pyx_pw_8_cdec_sa_5BiLex_15get_score, METH_VARARGS|METH_KEYWORDS, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("write_text"), (PyCFunction)__pyx_pw_8_cdec_sa_5BiLex_17write_text, METH_O, __Pyx_DOCSTR(__pyx_doc_8_cdec_sa_5BiLex_16write_text)},
+static PyMethodDef __pyx_methods_3_sa_DataArray[] = {
+  {__Pyx_NAMESTR("getSentId"), (PyCFunction)__pyx_pw_3_sa_9DataArray_5getSentId, METH_O, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("getSent"), (PyCFunction)__pyx_pw_3_sa_9DataArray_7getSent, METH_O, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("getSentPos"), (PyCFunction)__pyx_pw_3_sa_9DataArray_9getSentPos, METH_O, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("get_id"), (PyCFunction)__pyx_pw_3_sa_9DataArray_11get_id, METH_O, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("get_word"), (PyCFunction)__pyx_pw_3_sa_9DataArray_13get_word, METH_O, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("write_text"), (PyCFunction)__pyx_pw_3_sa_9DataArray_15write_text, METH_O, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("read_text"), (PyCFunction)__pyx_pw_3_sa_9DataArray_17read_text, METH_O, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("read_binary"), (PyCFunction)__pyx_pw_3_sa_9DataArray_19read_binary, METH_O, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("write_binary"), (PyCFunction)__pyx_pw_3_sa_9DataArray_21write_binary, METH_O, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("write_enhanced_handle"), (PyCFunction)__pyx_pw_3_sa_9DataArray_23write_enhanced_handle, METH_O, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("write_enhanced"), (PyCFunction)__pyx_pw_3_sa_9DataArray_25write_enhanced, METH_O, __Pyx_DOCSTR(0)},
   {0, 0, 0, 0}
 };
 
-static PyNumberMethods __pyx_tp_as_number_BiLex = {
+static PyNumberMethods __pyx_tp_as_number_DataArray = {
   0, /*nb_add*/
   0, /*nb_subtract*/
   0, /*nb_multiply*/
@@ -54648,8 +54696,8 @@ static PyNumberMethods __pyx_tp_as_number_BiLex = {
   #endif
 };
 
-static PySequenceMethods __pyx_tp_as_sequence_BiLex = {
-  0, /*sq_length*/
+static PySequenceMethods __pyx_tp_as_sequence_DataArray = {
+  __pyx_pw_3_sa_9DataArray_3__len__, /*sq_length*/
   0, /*sq_concat*/
   0, /*sq_repeat*/
   0, /*sq_item*/
@@ -54661,13 +54709,13 @@ static PySequenceMethods __pyx_tp_as_sequence_BiLex = {
   0, /*sq_inplace_repeat*/
 };
 
-static PyMappingMethods __pyx_tp_as_mapping_BiLex = {
-  0, /*mp_length*/
+static PyMappingMethods __pyx_tp_as_mapping_DataArray = {
+  __pyx_pw_3_sa_9DataArray_3__len__, /*mp_length*/
   0, /*mp_subscript*/
   0, /*mp_ass_subscript*/
 };
 
-static PyBufferProcs __pyx_tp_as_buffer_BiLex = {
+static PyBufferProcs __pyx_tp_as_buffer_DataArray = {
   #if PY_MAJOR_VERSION < 3
   0, /*bf_getreadbuffer*/
   #endif
@@ -54688,12 +54736,12 @@ static PyBufferProcs __pyx_tp_as_buffer_BiLex = {
   #endif
 };
 
-static PyTypeObject __pyx_type_8_cdec_sa_BiLex = {
+static PyTypeObject __pyx_type_3_sa_DataArray = {
   PyVarObject_HEAD_INIT(0, 0)
-  __Pyx_NAMESTR("_cdec_sa.BiLex"), /*tp_name*/
-  sizeof(struct __pyx_obj_8_cdec_sa_BiLex), /*tp_basicsize*/
+  __Pyx_NAMESTR("_sa.DataArray"), /*tp_name*/
+  sizeof(struct __pyx_obj_3_sa_DataArray), /*tp_basicsize*/
   0, /*tp_itemsize*/
-  __pyx_tp_dealloc_8_cdec_sa_BiLex, /*tp_dealloc*/
+  __pyx_tp_dealloc_3_sa_DataArray, /*tp_dealloc*/
   0, /*tp_print*/
   0, /*tp_getattr*/
   0, /*tp_setattr*/
@@ -54703,24 +54751,24 @@ static PyTypeObject __pyx_type_8_cdec_sa_BiLex = {
   0, /*reserved*/
   #endif
   0, /*tp_repr*/
-  &__pyx_tp_as_number_BiLex, /*tp_as_number*/
-  &__pyx_tp_as_sequence_BiLex, /*tp_as_sequence*/
-  &__pyx_tp_as_mapping_BiLex, /*tp_as_mapping*/
+  &__pyx_tp_as_number_DataArray, /*tp_as_number*/
+  &__pyx_tp_as_sequence_DataArray, /*tp_as_sequence*/
+  &__pyx_tp_as_mapping_DataArray, /*tp_as_mapping*/
   0, /*tp_hash*/
   0, /*tp_call*/
   0, /*tp_str*/
   0, /*tp_getattro*/
   0, /*tp_setattro*/
-  &__pyx_tp_as_buffer_BiLex, /*tp_as_buffer*/
+  &__pyx_tp_as_buffer_DataArray, /*tp_as_buffer*/
   Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
   0, /*tp_doc*/
-  __pyx_tp_traverse_8_cdec_sa_BiLex, /*tp_traverse*/
-  __pyx_tp_clear_8_cdec_sa_BiLex, /*tp_clear*/
+  __pyx_tp_traverse_3_sa_DataArray, /*tp_traverse*/
+  __pyx_tp_clear_3_sa_DataArray, /*tp_clear*/
   0, /*tp_richcompare*/
   0, /*tp_weaklistoffset*/
   0, /*tp_iter*/
   0, /*tp_iternext*/
-  __pyx_methods_8_cdec_sa_BiLex, /*tp_methods*/
+  __pyx_methods_3_sa_DataArray, /*tp_methods*/
   0, /*tp_members*/
   0, /*tp_getset*/
   0, /*tp_base*/
@@ -54730,7 +54778,7 @@ static PyTypeObject __pyx_type_8_cdec_sa_BiLex = {
   0, /*tp_dictoffset*/
   0, /*tp_init*/
   0, /*tp_alloc*/
-  __pyx_tp_new_8_cdec_sa_BiLex, /*tp_new*/
+  __pyx_tp_new_3_sa_DataArray, /*tp_new*/
   0, /*tp_free*/
   0, /*tp_is_gc*/
   0, /*tp_bases*/
@@ -54743,23 +54791,66 @@ static PyTypeObject __pyx_type_8_cdec_sa_BiLex = {
   0, /*tp_version_tag*/
   #endif
 };
+static struct __pyx_vtabstruct_3_sa_Alignment __pyx_vtable_3_sa_Alignment;
 
-static PyObject *__pyx_tp_new_8_cdec_sa_BitSetIterator(PyTypeObject *t, PyObject *a, PyObject *k) {
+static PyObject *__pyx_tp_new_3_sa_Alignment(PyTypeObject *t, PyObject *a, PyObject *k) {
+  struct __pyx_obj_3_sa_Alignment *p;
   PyObject *o = (*t->tp_alloc)(t, 0);
   if (!o) return 0;
+  p = ((struct __pyx_obj_3_sa_Alignment *)o);
+  p->__pyx_vtab = __pyx_vtabptr_3_sa_Alignment;
+  p->links = ((struct __pyx_obj_3_sa_IntList *)Py_None); Py_INCREF(Py_None);
+  p->sent_index = ((struct __pyx_obj_3_sa_IntList *)Py_None); Py_INCREF(Py_None);
+  if (__pyx_pw_3_sa_9Alignment_5__cinit__(o, a, k) < 0) {
+    Py_DECREF(o); o = 0;
+  }
   return o;
 }
 
-static void __pyx_tp_dealloc_8_cdec_sa_BitSetIterator(PyObject *o) {
+static void __pyx_tp_dealloc_3_sa_Alignment(PyObject *o) {
+  struct __pyx_obj_3_sa_Alignment *p = (struct __pyx_obj_3_sa_Alignment *)o;
+  Py_XDECREF(((PyObject *)p->links));
+  Py_XDECREF(((PyObject *)p->sent_index));
   (*Py_TYPE(o)->tp_free)(o);
 }
 
-static PyMethodDef __pyx_methods_8_cdec_sa_BitSetIterator[] = {
-  {__Pyx_NAMESTR("__next__"), (PyCFunction)__pyx_pw_8_cdec_sa_14BitSetIterator_1__next__, METH_NOARGS|METH_COEXIST, __Pyx_DOCSTR(0)},
+static int __pyx_tp_traverse_3_sa_Alignment(PyObject *o, visitproc v, void *a) {
+  int e;
+  struct __pyx_obj_3_sa_Alignment *p = (struct __pyx_obj_3_sa_Alignment *)o;
+  if (p->links) {
+    e = (*v)(((PyObject*)p->links), a); if (e) return e;
+  }
+  if (p->sent_index) {
+    e = (*v)(((PyObject*)p->sent_index), a); if (e) return e;
+  }
+  return 0;
+}
+
+static int __pyx_tp_clear_3_sa_Alignment(PyObject *o) {
+  struct __pyx_obj_3_sa_Alignment *p = (struct __pyx_obj_3_sa_Alignment *)o;
+  PyObject* tmp;
+  tmp = ((PyObject*)p->links);
+  p->links = ((struct __pyx_obj_3_sa_IntList *)Py_None); Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->sent_index);
+  p->sent_index = ((struct __pyx_obj_3_sa_IntList *)Py_None); Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  return 0;
+}
+
+static PyMethodDef __pyx_methods_3_sa_Alignment[] = {
+  {__Pyx_NAMESTR("unlink"), (PyCFunction)__pyx_pw_3_sa_9Alignment_1unlink, METH_O, __Pyx_DOCSTR(__pyx_doc_3_sa_9Alignment_unlink)},
+  {__Pyx_NAMESTR("get_sent_links"), (PyCFunction)__pyx_pw_3_sa_9Alignment_3get_sent_links, METH_O, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("read_text"), (PyCFunction)__pyx_pw_3_sa_9Alignment_7read_text, METH_O, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("read_binary"), (PyCFunction)__pyx_pw_3_sa_9Alignment_9read_binary, METH_O, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("write_text"), (PyCFunction)__pyx_pw_3_sa_9Alignment_11write_text, METH_O, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("write_binary"), (PyCFunction)__pyx_pw_3_sa_9Alignment_13write_binary, METH_O, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("write_enhanced"), (PyCFunction)__pyx_pw_3_sa_9Alignment_15write_enhanced, METH_O, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("alignment"), (PyCFunction)__pyx_pw_3_sa_9Alignment_17alignment, METH_O, __Pyx_DOCSTR(__pyx_doc_3_sa_9Alignment_16alignment)},
   {0, 0, 0, 0}
 };
 
-static PyNumberMethods __pyx_tp_as_number_BitSetIterator = {
+static PyNumberMethods __pyx_tp_as_number_Alignment = {
   0, /*nb_add*/
   0, /*nb_subtract*/
   0, /*nb_multiply*/
@@ -54817,7 +54908,7 @@ static PyNumberMethods __pyx_tp_as_number_BitSetIterator = {
   #endif
 };
 
-static PySequenceMethods __pyx_tp_as_sequence_BitSetIterator = {
+static PySequenceMethods __pyx_tp_as_sequence_Alignment = {
   0, /*sq_length*/
   0, /*sq_concat*/
   0, /*sq_repeat*/
@@ -54830,13 +54921,13 @@ static PySequenceMethods __pyx_tp_as_sequence_BitSetIterator = {
   0, /*sq_inplace_repeat*/
 };
 
-static PyMappingMethods __pyx_tp_as_mapping_BitSetIterator = {
+static PyMappingMethods __pyx_tp_as_mapping_Alignment = {
   0, /*mp_length*/
   0, /*mp_subscript*/
   0, /*mp_ass_subscript*/
 };
 
-static PyBufferProcs __pyx_tp_as_buffer_BitSetIterator = {
+static PyBufferProcs __pyx_tp_as_buffer_Alignment = {
   #if PY_MAJOR_VERSION < 3
   0, /*bf_getreadbuffer*/
   #endif
@@ -54857,12 +54948,12 @@ static PyBufferProcs __pyx_tp_as_buffer_BitSetIterator = {
   #endif
 };
 
-static PyTypeObject __pyx_type_8_cdec_sa_BitSetIterator = {
+static PyTypeObject __pyx_type_3_sa_Alignment = {
   PyVarObject_HEAD_INIT(0, 0)
-  __Pyx_NAMESTR("_cdec_sa.BitSetIterator"), /*tp_name*/
-  sizeof(struct __pyx_obj_8_cdec_sa_BitSetIterator), /*tp_basicsize*/
+  __Pyx_NAMESTR("_sa.Alignment"), /*tp_name*/
+  sizeof(struct __pyx_obj_3_sa_Alignment), /*tp_basicsize*/
   0, /*tp_itemsize*/
-  __pyx_tp_dealloc_8_cdec_sa_BitSetIterator, /*tp_dealloc*/
+  __pyx_tp_dealloc_3_sa_Alignment, /*tp_dealloc*/
   0, /*tp_print*/
   0, /*tp_getattr*/
   0, /*tp_setattr*/
@@ -54872,24 +54963,24 @@ static PyTypeObject __pyx_type_8_cdec_sa_BitSetIterator = {
   0, /*reserved*/
   #endif
   0, /*tp_repr*/
-  &__pyx_tp_as_number_BitSetIterator, /*tp_as_number*/
-  &__pyx_tp_as_sequence_BitSetIterator, /*tp_as_sequence*/
-  &__pyx_tp_as_mapping_BitSetIterator, /*tp_as_mapping*/
+  &__pyx_tp_as_number_Alignment, /*tp_as_number*/
+  &__pyx_tp_as_sequence_Alignment, /*tp_as_sequence*/
+  &__pyx_tp_as_mapping_Alignment, /*tp_as_mapping*/
   0, /*tp_hash*/
   0, /*tp_call*/
   0, /*tp_str*/
   0, /*tp_getattro*/
   0, /*tp_setattro*/
-  &__pyx_tp_as_buffer_BitSetIterator, /*tp_as_buffer*/
-  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE, /*tp_flags*/
+  &__pyx_tp_as_buffer_Alignment, /*tp_as_buffer*/
+  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
   0, /*tp_doc*/
-  0, /*tp_traverse*/
-  0, /*tp_clear*/
+  __pyx_tp_traverse_3_sa_Alignment, /*tp_traverse*/
+  __pyx_tp_clear_3_sa_Alignment, /*tp_clear*/
   0, /*tp_richcompare*/
   0, /*tp_weaklistoffset*/
   0, /*tp_iter*/
-  __pyx_pw_8_cdec_sa_14BitSetIterator_1__next__, /*tp_iternext*/
-  __pyx_methods_8_cdec_sa_BitSetIterator, /*tp_methods*/
+  0, /*tp_iternext*/
+  __pyx_methods_3_sa_Alignment, /*tp_methods*/
   0, /*tp_members*/
   0, /*tp_getset*/
   0, /*tp_base*/
@@ -54899,7 +54990,7 @@ static PyTypeObject __pyx_type_8_cdec_sa_BitSetIterator = {
   0, /*tp_dictoffset*/
   0, /*tp_init*/
   0, /*tp_alloc*/
-  __pyx_tp_new_8_cdec_sa_BitSetIterator, /*tp_new*/
+  __pyx_tp_new_3_sa_Alignment, /*tp_new*/
   0, /*tp_free*/
   0, /*tp_is_gc*/
   0, /*tp_bases*/
@@ -54912,38 +55003,114 @@ static PyTypeObject __pyx_type_8_cdec_sa_BitSetIterator = {
   0, /*tp_version_tag*/
   #endif
 };
+static struct __pyx_vtabstruct_3_sa_BiLex __pyx_vtable_3_sa_BiLex;
 
-static PyObject *__pyx_tp_new_8_cdec_sa_BitSet(PyTypeObject *t, PyObject *a, PyObject *k) {
+static PyObject *__pyx_tp_new_3_sa_BiLex(PyTypeObject *t, PyObject *a, PyObject *k) {
+  struct __pyx_obj_3_sa_BiLex *p;
   PyObject *o = (*t->tp_alloc)(t, 0);
   if (!o) return 0;
-  if (__pyx_pw_8_cdec_sa_6BitSet_1__cinit__(o, __pyx_empty_tuple, NULL) < 0) {
+  p = ((struct __pyx_obj_3_sa_BiLex *)o);
+  p->__pyx_vtab = __pyx_vtabptr_3_sa_BiLex;
+  p->col1 = ((struct __pyx_obj_3_sa_FloatList *)Py_None); Py_INCREF(Py_None);
+  p->col2 = ((struct __pyx_obj_3_sa_FloatList *)Py_None); Py_INCREF(Py_None);
+  p->f_index = ((struct __pyx_obj_3_sa_IntList *)Py_None); Py_INCREF(Py_None);
+  p->e_index = ((struct __pyx_obj_3_sa_IntList *)Py_None); Py_INCREF(Py_None);
+  p->id2eword = Py_None; Py_INCREF(Py_None);
+  p->id2fword = Py_None; Py_INCREF(Py_None);
+  p->eword2id = Py_None; Py_INCREF(Py_None);
+  p->fword2id = Py_None; Py_INCREF(Py_None);
+  if (__pyx_pw_3_sa_5BiLex_1__cinit__(o, a, k) < 0) {
     Py_DECREF(o); o = 0;
   }
   return o;
 }
 
-static void __pyx_tp_dealloc_8_cdec_sa_BitSet(PyObject *o) {
-  {
-    PyObject *etype, *eval, *etb;
-    PyErr_Fetch(&etype, &eval, &etb);
-    ++Py_REFCNT(o);
-    __pyx_pw_8_cdec_sa_6BitSet_3__dealloc__(o);
-    if (PyErr_Occurred()) PyErr_WriteUnraisable(o);
-    --Py_REFCNT(o);
-    PyErr_Restore(etype, eval, etb);
-  }
+static void __pyx_tp_dealloc_3_sa_BiLex(PyObject *o) {
+  struct __pyx_obj_3_sa_BiLex *p = (struct __pyx_obj_3_sa_BiLex *)o;
+  Py_XDECREF(((PyObject *)p->col1));
+  Py_XDECREF(((PyObject *)p->col2));
+  Py_XDECREF(((PyObject *)p->f_index));
+  Py_XDECREF(((PyObject *)p->e_index));
+  Py_XDECREF(p->id2eword);
+  Py_XDECREF(p->id2fword);
+  Py_XDECREF(p->eword2id);
+  Py_XDECREF(p->fword2id);
   (*Py_TYPE(o)->tp_free)(o);
 }
 
-static PyMethodDef __pyx_methods_8_cdec_sa_BitSet[] = {
-  {__Pyx_NAMESTR("insert"), (PyCFunction)__pyx_pw_8_cdec_sa_6BitSet_7insert, METH_O, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("findsucc"), (PyCFunction)__pyx_pw_8_cdec_sa_6BitSet_9findsucc, METH_O, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("min"), (PyCFunction)__pyx_pw_8_cdec_sa_6BitSet_13min, METH_NOARGS, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("max"), (PyCFunction)__pyx_pw_8_cdec_sa_6BitSet_15max, METH_NOARGS, __Pyx_DOCSTR(0)},
+static int __pyx_tp_traverse_3_sa_BiLex(PyObject *o, visitproc v, void *a) {
+  int e;
+  struct __pyx_obj_3_sa_BiLex *p = (struct __pyx_obj_3_sa_BiLex *)o;
+  if (p->col1) {
+    e = (*v)(((PyObject*)p->col1), a); if (e) return e;
+  }
+  if (p->col2) {
+    e = (*v)(((PyObject*)p->col2), a); if (e) return e;
+  }
+  if (p->f_index) {
+    e = (*v)(((PyObject*)p->f_index), a); if (e) return e;
+  }
+  if (p->e_index) {
+    e = (*v)(((PyObject*)p->e_index), a); if (e) return e;
+  }
+  if (p->id2eword) {
+    e = (*v)(p->id2eword, a); if (e) return e;
+  }
+  if (p->id2fword) {
+    e = (*v)(p->id2fword, a); if (e) return e;
+  }
+  if (p->eword2id) {
+    e = (*v)(p->eword2id, a); if (e) return e;
+  }
+  if (p->fword2id) {
+    e = (*v)(p->fword2id, a); if (e) return e;
+  }
+  return 0;
+}
+
+static int __pyx_tp_clear_3_sa_BiLex(PyObject *o) {
+  struct __pyx_obj_3_sa_BiLex *p = (struct __pyx_obj_3_sa_BiLex *)o;
+  PyObject* tmp;
+  tmp = ((PyObject*)p->col1);
+  p->col1 = ((struct __pyx_obj_3_sa_FloatList *)Py_None); Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->col2);
+  p->col2 = ((struct __pyx_obj_3_sa_FloatList *)Py_None); Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->f_index);
+  p->f_index = ((struct __pyx_obj_3_sa_IntList *)Py_None); Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->e_index);
+  p->e_index = ((struct __pyx_obj_3_sa_IntList *)Py_None); Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->id2eword);
+  p->id2eword = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->id2fword);
+  p->id2fword = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->eword2id);
+  p->eword2id = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->fword2id);
+  p->fword2id = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  return 0;
+}
+
+static PyMethodDef __pyx_methods_3_sa_BiLex[] = {
+  {__Pyx_NAMESTR("write_binary"), (PyCFunction)__pyx_pw_3_sa_5BiLex_3write_binary, METH_O, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("read_binary"), (PyCFunction)__pyx_pw_3_sa_5BiLex_5read_binary, METH_O, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("get_e_id"), (PyCFunction)__pyx_pw_3_sa_5BiLex_7get_e_id, METH_O, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("get_f_id"), (PyCFunction)__pyx_pw_3_sa_5BiLex_9get_f_id, METH_O, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("read_text"), (PyCFunction)__pyx_pw_3_sa_5BiLex_11read_text, METH_O, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("write_enhanced"), (PyCFunction)__pyx_pw_3_sa_5BiLex_13write_enhanced, METH_O, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("get_score"), (PyCFunction)__pyx_pw_3_sa_5BiLex_15get_score, METH_VARARGS|METH_KEYWORDS, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("write_text"), (PyCFunction)__pyx_pw_3_sa_5BiLex_17write_text, METH_O, __Pyx_DOCSTR(__pyx_doc_3_sa_5BiLex_16write_text)},
   {0, 0, 0, 0}
 };
 
-static PyNumberMethods __pyx_tp_as_number_BitSet = {
+static PyNumberMethods __pyx_tp_as_number_BiLex = {
   0, /*nb_add*/
   0, /*nb_subtract*/
   0, /*nb_multiply*/
@@ -55001,26 +55168,26 @@ static PyNumberMethods __pyx_tp_as_number_BitSet = {
   #endif
 };
 
-static PySequenceMethods __pyx_tp_as_sequence_BitSet = {
-  __pyx_pw_8_cdec_sa_6BitSet_17__len__, /*sq_length*/
+static PySequenceMethods __pyx_tp_as_sequence_BiLex = {
+  0, /*sq_length*/
   0, /*sq_concat*/
   0, /*sq_repeat*/
   0, /*sq_item*/
   0, /*sq_slice*/
   0, /*sq_ass_item*/
   0, /*sq_ass_slice*/
-  __pyx_pw_8_cdec_sa_6BitSet_19__contains__, /*sq_contains*/
+  0, /*sq_contains*/
   0, /*sq_inplace_concat*/
   0, /*sq_inplace_repeat*/
 };
 
-static PyMappingMethods __pyx_tp_as_mapping_BitSet = {
-  __pyx_pw_8_cdec_sa_6BitSet_17__len__, /*mp_length*/
+static PyMappingMethods __pyx_tp_as_mapping_BiLex = {
+  0, /*mp_length*/
   0, /*mp_subscript*/
   0, /*mp_ass_subscript*/
 };
 
-static PyBufferProcs __pyx_tp_as_buffer_BitSet = {
+static PyBufferProcs __pyx_tp_as_buffer_BiLex = {
   #if PY_MAJOR_VERSION < 3
   0, /*bf_getreadbuffer*/
   #endif
@@ -55041,12 +55208,12 @@ static PyBufferProcs __pyx_tp_as_buffer_BitSet = {
   #endif
 };
 
-static PyTypeObject __pyx_type_8_cdec_sa_BitSet = {
+static PyTypeObject __pyx_type_3_sa_BiLex = {
   PyVarObject_HEAD_INIT(0, 0)
-  __Pyx_NAMESTR("_cdec_sa.BitSet"), /*tp_name*/
-  sizeof(struct __pyx_obj_8_cdec_sa_BitSet), /*tp_basicsize*/
+  __Pyx_NAMESTR("_sa.BiLex"), /*tp_name*/
+  sizeof(struct __pyx_obj_3_sa_BiLex), /*tp_basicsize*/
   0, /*tp_itemsize*/
-  __pyx_tp_dealloc_8_cdec_sa_BitSet, /*tp_dealloc*/
+  __pyx_tp_dealloc_3_sa_BiLex, /*tp_dealloc*/
   0, /*tp_print*/
   0, /*tp_getattr*/
   0, /*tp_setattr*/
@@ -55056,24 +55223,24 @@ static PyTypeObject __pyx_type_8_cdec_sa_BitSet = {
   0, /*reserved*/
   #endif
   0, /*tp_repr*/
-  &__pyx_tp_as_number_BitSet, /*tp_as_number*/
-  &__pyx_tp_as_sequence_BitSet, /*tp_as_sequence*/
-  &__pyx_tp_as_mapping_BitSet, /*tp_as_mapping*/
+  &__pyx_tp_as_number_BiLex, /*tp_as_number*/
+  &__pyx_tp_as_sequence_BiLex, /*tp_as_sequence*/
+  &__pyx_tp_as_mapping_BiLex, /*tp_as_mapping*/
   0, /*tp_hash*/
   0, /*tp_call*/
-  __pyx_pw_8_cdec_sa_6BitSet_11__str__, /*tp_str*/
+  0, /*tp_str*/
   0, /*tp_getattro*/
   0, /*tp_setattro*/
-  &__pyx_tp_as_buffer_BitSet, /*tp_as_buffer*/
-  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE, /*tp_flags*/
+  &__pyx_tp_as_buffer_BiLex, /*tp_as_buffer*/
+  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
   0, /*tp_doc*/
-  0, /*tp_traverse*/
-  0, /*tp_clear*/
+  __pyx_tp_traverse_3_sa_BiLex, /*tp_traverse*/
+  __pyx_tp_clear_3_sa_BiLex, /*tp_clear*/
   0, /*tp_richcompare*/
   0, /*tp_weaklistoffset*/
-  __pyx_pw_8_cdec_sa_6BitSet_5__iter__, /*tp_iter*/
+  0, /*tp_iter*/
   0, /*tp_iternext*/
-  __pyx_methods_8_cdec_sa_BitSet, /*tp_methods*/
+  __pyx_methods_3_sa_BiLex, /*tp_methods*/
   0, /*tp_members*/
   0, /*tp_getset*/
   0, /*tp_base*/
@@ -55083,7 +55250,7 @@ static PyTypeObject __pyx_type_8_cdec_sa_BitSet = {
   0, /*tp_dictoffset*/
   0, /*tp_init*/
   0, /*tp_alloc*/
-  __pyx_tp_new_8_cdec_sa_BitSet, /*tp_new*/
+  __pyx_tp_new_3_sa_BiLex, /*tp_new*/
   0, /*tp_free*/
   0, /*tp_is_gc*/
   0, /*tp_bases*/
@@ -55097,22 +55264,22 @@ static PyTypeObject __pyx_type_8_cdec_sa_BitSet = {
   #endif
 };
 
-static PyObject *__pyx_tp_new_8_cdec_sa_VEBIterator(PyTypeObject *t, PyObject *a, PyObject *k) {
+static PyObject *__pyx_tp_new_3_sa_BitSetIterator(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
   PyObject *o = (*t->tp_alloc)(t, 0);
   if (!o) return 0;
   return o;
 }
 
-static void __pyx_tp_dealloc_8_cdec_sa_VEBIterator(PyObject *o) {
+static void __pyx_tp_dealloc_3_sa_BitSetIterator(PyObject *o) {
   (*Py_TYPE(o)->tp_free)(o);
 }
 
-static PyMethodDef __pyx_methods_8_cdec_sa_VEBIterator[] = {
-  {__Pyx_NAMESTR("__next__"), (PyCFunction)__pyx_pw_8_cdec_sa_11VEBIterator_1__next__, METH_NOARGS|METH_COEXIST, __Pyx_DOCSTR(0)},
+static PyMethodDef __pyx_methods_3_sa_BitSetIterator[] = {
+  {__Pyx_NAMESTR("__next__"), (PyCFunction)__pyx_pw_3_sa_14BitSetIterator_1__next__, METH_NOARGS|METH_COEXIST, __Pyx_DOCSTR(0)},
   {0, 0, 0, 0}
 };
 
-static PyNumberMethods __pyx_tp_as_number_VEBIterator = {
+static PyNumberMethods __pyx_tp_as_number_BitSetIterator = {
   0, /*nb_add*/
   0, /*nb_subtract*/
   0, /*nb_multiply*/
@@ -55170,7 +55337,7 @@ static PyNumberMethods __pyx_tp_as_number_VEBIterator = {
   #endif
 };
 
-static PySequenceMethods __pyx_tp_as_sequence_VEBIterator = {
+static PySequenceMethods __pyx_tp_as_sequence_BitSetIterator = {
   0, /*sq_length*/
   0, /*sq_concat*/
   0, /*sq_repeat*/
@@ -55183,13 +55350,13 @@ static PySequenceMethods __pyx_tp_as_sequence_VEBIterator = {
   0, /*sq_inplace_repeat*/
 };
 
-static PyMappingMethods __pyx_tp_as_mapping_VEBIterator = {
+static PyMappingMethods __pyx_tp_as_mapping_BitSetIterator = {
   0, /*mp_length*/
   0, /*mp_subscript*/
   0, /*mp_ass_subscript*/
 };
 
-static PyBufferProcs __pyx_tp_as_buffer_VEBIterator = {
+static PyBufferProcs __pyx_tp_as_buffer_BitSetIterator = {
   #if PY_MAJOR_VERSION < 3
   0, /*bf_getreadbuffer*/
   #endif
@@ -55210,12 +55377,12 @@ static PyBufferProcs __pyx_tp_as_buffer_VEBIterator = {
   #endif
 };
 
-static PyTypeObject __pyx_type_8_cdec_sa_VEBIterator = {
+static PyTypeObject __pyx_type_3_sa_BitSetIterator = {
   PyVarObject_HEAD_INIT(0, 0)
-  __Pyx_NAMESTR("_cdec_sa.VEBIterator"), /*tp_name*/
-  sizeof(struct __pyx_obj_8_cdec_sa_VEBIterator), /*tp_basicsize*/
+  __Pyx_NAMESTR("_sa.BitSetIterator"), /*tp_name*/
+  sizeof(struct __pyx_obj_3_sa_BitSetIterator), /*tp_basicsize*/
   0, /*tp_itemsize*/
-  __pyx_tp_dealloc_8_cdec_sa_VEBIterator, /*tp_dealloc*/
+  __pyx_tp_dealloc_3_sa_BitSetIterator, /*tp_dealloc*/
   0, /*tp_print*/
   0, /*tp_getattr*/
   0, /*tp_setattr*/
@@ -55225,15 +55392,15 @@ static PyTypeObject __pyx_type_8_cdec_sa_VEBIterator = {
   0, /*reserved*/
   #endif
   0, /*tp_repr*/
-  &__pyx_tp_as_number_VEBIterator, /*tp_as_number*/
-  &__pyx_tp_as_sequence_VEBIterator, /*tp_as_sequence*/
-  &__pyx_tp_as_mapping_VEBIterator, /*tp_as_mapping*/
+  &__pyx_tp_as_number_BitSetIterator, /*tp_as_number*/
+  &__pyx_tp_as_sequence_BitSetIterator, /*tp_as_sequence*/
+  &__pyx_tp_as_mapping_BitSetIterator, /*tp_as_mapping*/
   0, /*tp_hash*/
   0, /*tp_call*/
   0, /*tp_str*/
   0, /*tp_getattro*/
   0, /*tp_setattro*/
-  &__pyx_tp_as_buffer_VEBIterator, /*tp_as_buffer*/
+  &__pyx_tp_as_buffer_BitSetIterator, /*tp_as_buffer*/
   Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE, /*tp_flags*/
   0, /*tp_doc*/
   0, /*tp_traverse*/
@@ -55241,8 +55408,8 @@ static PyTypeObject __pyx_type_8_cdec_sa_VEBIterator = {
   0, /*tp_richcompare*/
   0, /*tp_weaklistoffset*/
   0, /*tp_iter*/
-  __pyx_pw_8_cdec_sa_11VEBIterator_1__next__, /*tp_iternext*/
-  __pyx_methods_8_cdec_sa_VEBIterator, /*tp_methods*/
+  __pyx_pw_3_sa_14BitSetIterator_1__next__, /*tp_iternext*/
+  __pyx_methods_3_sa_BitSetIterator, /*tp_methods*/
   0, /*tp_members*/
   0, /*tp_getset*/
   0, /*tp_base*/
@@ -55252,7 +55419,7 @@ static PyTypeObject __pyx_type_8_cdec_sa_VEBIterator = {
   0, /*tp_dictoffset*/
   0, /*tp_init*/
   0, /*tp_alloc*/
-  __pyx_tp_new_8_cdec_sa_VEBIterator, /*tp_new*/
+  __pyx_tp_new_3_sa_BitSetIterator, /*tp_new*/
   0, /*tp_free*/
   0, /*tp_is_gc*/
   0, /*tp_bases*/
@@ -55265,26 +55432,22 @@ static PyTypeObject __pyx_type_8_cdec_sa_VEBIterator = {
   0, /*tp_version_tag*/
   #endif
 };
-static struct __pyx_vtabstruct_8_cdec_sa_VEB __pyx_vtable_8_cdec_sa_VEB;
 
-static PyObject *__pyx_tp_new_8_cdec_sa_VEB(PyTypeObject *t, PyObject *a, PyObject *k) {
-  struct __pyx_obj_8_cdec_sa_VEB *p;
+static PyObject *__pyx_tp_new_3_sa_BitSet(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
   PyObject *o = (*t->tp_alloc)(t, 0);
   if (!o) return 0;
-  p = ((struct __pyx_obj_8_cdec_sa_VEB *)o);
-  p->__pyx_vtab = __pyx_vtabptr_8_cdec_sa_VEB;
-  if (__pyx_pw_8_cdec_sa_3VEB_1__cinit__(o, a, k) < 0) {
+  if (__pyx_pw_3_sa_6BitSet_1__cinit__(o, __pyx_empty_tuple, NULL) < 0) {
     Py_DECREF(o); o = 0;
   }
   return o;
 }
 
-static void __pyx_tp_dealloc_8_cdec_sa_VEB(PyObject *o) {
+static void __pyx_tp_dealloc_3_sa_BitSet(PyObject *o) {
   {
     PyObject *etype, *eval, *etb;
     PyErr_Fetch(&etype, &eval, &etb);
     ++Py_REFCNT(o);
-    __pyx_pw_8_cdec_sa_3VEB_3__dealloc__(o);
+    __pyx_pw_3_sa_6BitSet_3__dealloc__(o);
     if (PyErr_Occurred()) PyErr_WriteUnraisable(o);
     --Py_REFCNT(o);
     PyErr_Restore(etype, eval, etb);
@@ -55292,13 +55455,15 @@ static void __pyx_tp_dealloc_8_cdec_sa_VEB(PyObject *o) {
   (*Py_TYPE(o)->tp_free)(o);
 }
 
-static PyMethodDef __pyx_methods_8_cdec_sa_VEB[] = {
-  {__Pyx_NAMESTR("insert"), (PyCFunction)__pyx_pw_8_cdec_sa_3VEB_7insert, METH_O, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("findsucc"), (PyCFunction)__pyx_pw_8_cdec_sa_3VEB_9findsucc, METH_O, __Pyx_DOCSTR(0)},
+static PyMethodDef __pyx_methods_3_sa_BitSet[] = {
+  {__Pyx_NAMESTR("insert"), (PyCFunction)__pyx_pw_3_sa_6BitSet_7insert, METH_O, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("findsucc"), (PyCFunction)__pyx_pw_3_sa_6BitSet_9findsucc, METH_O, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("min"), (PyCFunction)__pyx_pw_3_sa_6BitSet_13min, METH_NOARGS, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("max"), (PyCFunction)__pyx_pw_3_sa_6BitSet_15max, METH_NOARGS, __Pyx_DOCSTR(0)},
   {0, 0, 0, 0}
 };
 
-static PyNumberMethods __pyx_tp_as_number_VEB = {
+static PyNumberMethods __pyx_tp_as_number_BitSet = {
   0, /*nb_add*/
   0, /*nb_subtract*/
   0, /*nb_multiply*/
@@ -55356,26 +55521,26 @@ static PyNumberMethods __pyx_tp_as_number_VEB = {
   #endif
 };
 
-static PySequenceMethods __pyx_tp_as_sequence_VEB = {
-  __pyx_pw_8_cdec_sa_3VEB_11__len__, /*sq_length*/
+static PySequenceMethods __pyx_tp_as_sequence_BitSet = {
+  __pyx_pw_3_sa_6BitSet_17__len__, /*sq_length*/
   0, /*sq_concat*/
   0, /*sq_repeat*/
   0, /*sq_item*/
   0, /*sq_slice*/
   0, /*sq_ass_item*/
   0, /*sq_ass_slice*/
-  __pyx_pw_8_cdec_sa_3VEB_13__contains__, /*sq_contains*/
+  __pyx_pw_3_sa_6BitSet_19__contains__, /*sq_contains*/
   0, /*sq_inplace_concat*/
   0, /*sq_inplace_repeat*/
 };
 
-static PyMappingMethods __pyx_tp_as_mapping_VEB = {
-  __pyx_pw_8_cdec_sa_3VEB_11__len__, /*mp_length*/
+static PyMappingMethods __pyx_tp_as_mapping_BitSet = {
+  __pyx_pw_3_sa_6BitSet_17__len__, /*mp_length*/
   0, /*mp_subscript*/
   0, /*mp_ass_subscript*/
 };
 
-static PyBufferProcs __pyx_tp_as_buffer_VEB = {
+static PyBufferProcs __pyx_tp_as_buffer_BitSet = {
   #if PY_MAJOR_VERSION < 3
   0, /*bf_getreadbuffer*/
   #endif
@@ -55396,12 +55561,12 @@ static PyBufferProcs __pyx_tp_as_buffer_VEB = {
   #endif
 };
 
-static PyTypeObject __pyx_type_8_cdec_sa_VEB = {
+static PyTypeObject __pyx_type_3_sa_BitSet = {
   PyVarObject_HEAD_INIT(0, 0)
-  __Pyx_NAMESTR("_cdec_sa.VEB"), /*tp_name*/
-  sizeof(struct __pyx_obj_8_cdec_sa_VEB), /*tp_basicsize*/
+  __Pyx_NAMESTR("_sa.BitSet"), /*tp_name*/
+  sizeof(struct __pyx_obj_3_sa_BitSet), /*tp_basicsize*/
   0, /*tp_itemsize*/
-  __pyx_tp_dealloc_8_cdec_sa_VEB, /*tp_dealloc*/
+  __pyx_tp_dealloc_3_sa_BitSet, /*tp_dealloc*/
   0, /*tp_print*/
   0, /*tp_getattr*/
   0, /*tp_setattr*/
@@ -55411,24 +55576,24 @@ static PyTypeObject __pyx_type_8_cdec_sa_VEB = {
   0, /*reserved*/
   #endif
   0, /*tp_repr*/
-  &__pyx_tp_as_number_VEB, /*tp_as_number*/
-  &__pyx_tp_as_sequence_VEB, /*tp_as_sequence*/
-  &__pyx_tp_as_mapping_VEB, /*tp_as_mapping*/
+  &__pyx_tp_as_number_BitSet, /*tp_as_number*/
+  &__pyx_tp_as_sequence_BitSet, /*tp_as_sequence*/
+  &__pyx_tp_as_mapping_BitSet, /*tp_as_mapping*/
   0, /*tp_hash*/
   0, /*tp_call*/
-  0, /*tp_str*/
+  __pyx_pw_3_sa_6BitSet_11__str__, /*tp_str*/
   0, /*tp_getattro*/
   0, /*tp_setattro*/
-  &__pyx_tp_as_buffer_VEB, /*tp_as_buffer*/
+  &__pyx_tp_as_buffer_BitSet, /*tp_as_buffer*/
   Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE, /*tp_flags*/
   0, /*tp_doc*/
   0, /*tp_traverse*/
   0, /*tp_clear*/
   0, /*tp_richcompare*/
   0, /*tp_weaklistoffset*/
-  __pyx_pw_8_cdec_sa_3VEB_5__iter__, /*tp_iter*/
+  __pyx_pw_3_sa_6BitSet_5__iter__, /*tp_iter*/
   0, /*tp_iternext*/
-  __pyx_methods_8_cdec_sa_VEB, /*tp_methods*/
+  __pyx_methods_3_sa_BitSet, /*tp_methods*/
   0, /*tp_members*/
   0, /*tp_getset*/
   0, /*tp_base*/
@@ -55438,7 +55603,7 @@ static PyTypeObject __pyx_type_8_cdec_sa_VEB = {
   0, /*tp_dictoffset*/
   0, /*tp_init*/
   0, /*tp_alloc*/
-  __pyx_tp_new_8_cdec_sa_VEB, /*tp_new*/
+  __pyx_tp_new_3_sa_BitSet, /*tp_new*/
   0, /*tp_free*/
   0, /*tp_is_gc*/
   0, /*tp_bases*/
@@ -55452,56 +55617,22 @@ static PyTypeObject __pyx_type_8_cdec_sa_VEB = {
   #endif
 };
 
-static PyObject *__pyx_tp_new_8_cdec_sa_LCP(PyTypeObject *t, PyObject *a, PyObject *k) {
-  struct __pyx_obj_8_cdec_sa_LCP *p;
+static PyObject *__pyx_tp_new_3_sa_VEBIterator(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
   PyObject *o = (*t->tp_alloc)(t, 0);
   if (!o) return 0;
-  p = ((struct __pyx_obj_8_cdec_sa_LCP *)o);
-  p->sa = ((struct __pyx_obj_8_cdec_sa_SuffixArray *)Py_None); Py_INCREF(Py_None);
-  p->lcp = ((struct __pyx_obj_8_cdec_sa_IntList *)Py_None); Py_INCREF(Py_None);
-  if (__pyx_pw_8_cdec_sa_3LCP_1__cinit__(o, a, k) < 0) {
-    Py_DECREF(o); o = 0;
-  }
   return o;
 }
 
-static void __pyx_tp_dealloc_8_cdec_sa_LCP(PyObject *o) {
-  struct __pyx_obj_8_cdec_sa_LCP *p = (struct __pyx_obj_8_cdec_sa_LCP *)o;
-  Py_XDECREF(((PyObject *)p->sa));
-  Py_XDECREF(((PyObject *)p->lcp));
+static void __pyx_tp_dealloc_3_sa_VEBIterator(PyObject *o) {
   (*Py_TYPE(o)->tp_free)(o);
 }
 
-static int __pyx_tp_traverse_8_cdec_sa_LCP(PyObject *o, visitproc v, void *a) {
-  int e;
-  struct __pyx_obj_8_cdec_sa_LCP *p = (struct __pyx_obj_8_cdec_sa_LCP *)o;
-  if (p->sa) {
-    e = (*v)(((PyObject*)p->sa), a); if (e) return e;
-  }
-  if (p->lcp) {
-    e = (*v)(((PyObject*)p->lcp), a); if (e) return e;
-  }
-  return 0;
-}
-
-static int __pyx_tp_clear_8_cdec_sa_LCP(PyObject *o) {
-  struct __pyx_obj_8_cdec_sa_LCP *p = (struct __pyx_obj_8_cdec_sa_LCP *)o;
-  PyObject* tmp;
-  tmp = ((PyObject*)p->sa);
-  p->sa = ((struct __pyx_obj_8_cdec_sa_SuffixArray *)Py_None); Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->lcp);
-  p->lcp = ((struct __pyx_obj_8_cdec_sa_IntList *)Py_None); Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  return 0;
-}
-
-static PyMethodDef __pyx_methods_8_cdec_sa_LCP[] = {
-  {__Pyx_NAMESTR("compute_stats"), (PyCFunction)__pyx_pw_8_cdec_sa_3LCP_3compute_stats, METH_O, __Pyx_DOCSTR(__pyx_doc_8_cdec_sa_3LCP_2compute_stats)},
+static PyMethodDef __pyx_methods_3_sa_VEBIterator[] = {
+  {__Pyx_NAMESTR("__next__"), (PyCFunction)__pyx_pw_3_sa_11VEBIterator_1__next__, METH_NOARGS|METH_COEXIST, __Pyx_DOCSTR(0)},
   {0, 0, 0, 0}
 };
 
-static PyNumberMethods __pyx_tp_as_number_LCP = {
+static PyNumberMethods __pyx_tp_as_number_VEBIterator = {
   0, /*nb_add*/
   0, /*nb_subtract*/
   0, /*nb_multiply*/
@@ -55559,7 +55690,7 @@ static PyNumberMethods __pyx_tp_as_number_LCP = {
   #endif
 };
 
-static PySequenceMethods __pyx_tp_as_sequence_LCP = {
+static PySequenceMethods __pyx_tp_as_sequence_VEBIterator = {
   0, /*sq_length*/
   0, /*sq_concat*/
   0, /*sq_repeat*/
@@ -55572,13 +55703,13 @@ static PySequenceMethods __pyx_tp_as_sequence_LCP = {
   0, /*sq_inplace_repeat*/
 };
 
-static PyMappingMethods __pyx_tp_as_mapping_LCP = {
+static PyMappingMethods __pyx_tp_as_mapping_VEBIterator = {
   0, /*mp_length*/
   0, /*mp_subscript*/
   0, /*mp_ass_subscript*/
 };
 
-static PyBufferProcs __pyx_tp_as_buffer_LCP = {
+static PyBufferProcs __pyx_tp_as_buffer_VEBIterator = {
   #if PY_MAJOR_VERSION < 3
   0, /*bf_getreadbuffer*/
   #endif
@@ -55599,12 +55730,12 @@ static PyBufferProcs __pyx_tp_as_buffer_LCP = {
   #endif
 };
 
-static PyTypeObject __pyx_type_8_cdec_sa_LCP = {
+static PyTypeObject __pyx_type_3_sa_VEBIterator = {
   PyVarObject_HEAD_INIT(0, 0)
-  __Pyx_NAMESTR("_cdec_sa.LCP"), /*tp_name*/
-  sizeof(struct __pyx_obj_8_cdec_sa_LCP), /*tp_basicsize*/
+  __Pyx_NAMESTR("_sa.VEBIterator"), /*tp_name*/
+  sizeof(struct __pyx_obj_3_sa_VEBIterator), /*tp_basicsize*/
   0, /*tp_itemsize*/
-  __pyx_tp_dealloc_8_cdec_sa_LCP, /*tp_dealloc*/
+  __pyx_tp_dealloc_3_sa_VEBIterator, /*tp_dealloc*/
   0, /*tp_print*/
   0, /*tp_getattr*/
   0, /*tp_setattr*/
@@ -55614,24 +55745,24 @@ static PyTypeObject __pyx_type_8_cdec_sa_LCP = {
   0, /*reserved*/
   #endif
   0, /*tp_repr*/
-  &__pyx_tp_as_number_LCP, /*tp_as_number*/
-  &__pyx_tp_as_sequence_LCP, /*tp_as_sequence*/
-  &__pyx_tp_as_mapping_LCP, /*tp_as_mapping*/
+  &__pyx_tp_as_number_VEBIterator, /*tp_as_number*/
+  &__pyx_tp_as_sequence_VEBIterator, /*tp_as_sequence*/
+  &__pyx_tp_as_mapping_VEBIterator, /*tp_as_mapping*/
   0, /*tp_hash*/
   0, /*tp_call*/
   0, /*tp_str*/
   0, /*tp_getattro*/
   0, /*tp_setattro*/
-  &__pyx_tp_as_buffer_LCP, /*tp_as_buffer*/
-  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
+  &__pyx_tp_as_buffer_VEBIterator, /*tp_as_buffer*/
+  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE, /*tp_flags*/
   0, /*tp_doc*/
-  __pyx_tp_traverse_8_cdec_sa_LCP, /*tp_traverse*/
-  __pyx_tp_clear_8_cdec_sa_LCP, /*tp_clear*/
+  0, /*tp_traverse*/
+  0, /*tp_clear*/
   0, /*tp_richcompare*/
   0, /*tp_weaklistoffset*/
   0, /*tp_iter*/
-  0, /*tp_iternext*/
-  __pyx_methods_8_cdec_sa_LCP, /*tp_methods*/
+  __pyx_pw_3_sa_11VEBIterator_1__next__, /*tp_iternext*/
+  __pyx_methods_3_sa_VEBIterator, /*tp_methods*/
   0, /*tp_members*/
   0, /*tp_getset*/
   0, /*tp_base*/
@@ -55641,7 +55772,7 @@ static PyTypeObject __pyx_type_8_cdec_sa_LCP = {
   0, /*tp_dictoffset*/
   0, /*tp_init*/
   0, /*tp_alloc*/
-  __pyx_tp_new_8_cdec_sa_LCP, /*tp_new*/
+  __pyx_tp_new_3_sa_VEBIterator, /*tp_new*/
   0, /*tp_free*/
   0, /*tp_is_gc*/
   0, /*tp_bases*/
@@ -55654,89 +55785,40 @@ static PyTypeObject __pyx_type_8_cdec_sa_LCP = {
   0, /*tp_version_tag*/
   #endif
 };
-static struct __pyx_vtabstruct_8_cdec_sa_Alphabet __pyx_vtable_8_cdec_sa_Alphabet;
+static struct __pyx_vtabstruct_3_sa_VEB __pyx_vtable_3_sa_VEB;
 
-static PyObject *__pyx_tp_new_8_cdec_sa_Alphabet(PyTypeObject *t, PyObject *a, PyObject *k) {
-  struct __pyx_obj_8_cdec_sa_Alphabet *p;
+static PyObject *__pyx_tp_new_3_sa_VEB(PyTypeObject *t, PyObject *a, PyObject *k) {
+  struct __pyx_obj_3_sa_VEB *p;
   PyObject *o = (*t->tp_alloc)(t, 0);
   if (!o) return 0;
-  p = ((struct __pyx_obj_8_cdec_sa_Alphabet *)o);
-  p->__pyx_vtab = __pyx_vtabptr_8_cdec_sa_Alphabet;
-  p->terminals = ((struct __pyx_obj_8_cdec_sa_StringMap *)Py_None); Py_INCREF(Py_None);
-  p->nonterminals = ((struct __pyx_obj_8_cdec_sa_StringMap *)Py_None); Py_INCREF(Py_None);
-  p->id2sym = ((PyObject*)Py_None); Py_INCREF(Py_None);
-  if (__pyx_pw_8_cdec_sa_8Alphabet_1__cinit__(o, __pyx_empty_tuple, NULL) < 0) {
+  p = ((struct __pyx_obj_3_sa_VEB *)o);
+  p->__pyx_vtab = __pyx_vtabptr_3_sa_VEB;
+  if (__pyx_pw_3_sa_3VEB_1__cinit__(o, a, k) < 0) {
     Py_DECREF(o); o = 0;
   }
   return o;
 }
 
-static void __pyx_tp_dealloc_8_cdec_sa_Alphabet(PyObject *o) {
-  struct __pyx_obj_8_cdec_sa_Alphabet *p = (struct __pyx_obj_8_cdec_sa_Alphabet *)o;
+static void __pyx_tp_dealloc_3_sa_VEB(PyObject *o) {
   {
     PyObject *etype, *eval, *etb;
     PyErr_Fetch(&etype, &eval, &etb);
     ++Py_REFCNT(o);
-    __pyx_pw_8_cdec_sa_8Alphabet_3__dealloc__(o);
+    __pyx_pw_3_sa_3VEB_3__dealloc__(o);
     if (PyErr_Occurred()) PyErr_WriteUnraisable(o);
     --Py_REFCNT(o);
     PyErr_Restore(etype, eval, etb);
   }
-  Py_XDECREF(((PyObject *)p->terminals));
-  Py_XDECREF(((PyObject *)p->nonterminals));
-  Py_XDECREF(((PyObject *)p->id2sym));
   (*Py_TYPE(o)->tp_free)(o);
 }
 
-static int __pyx_tp_traverse_8_cdec_sa_Alphabet(PyObject *o, visitproc v, void *a) {
-  int e;
-  struct __pyx_obj_8_cdec_sa_Alphabet *p = (struct __pyx_obj_8_cdec_sa_Alphabet *)o;
-  if (p->terminals) {
-    e = (*v)(((PyObject*)p->terminals), a); if (e) return e;
-  }
-  if (p->nonterminals) {
-    e = (*v)(((PyObject*)p->nonterminals), a); if (e) return e;
-  }
-  if (p->id2sym) {
-    e = (*v)(p->id2sym, a); if (e) return e;
-  }
-  return 0;
-}
-
-static int __pyx_tp_clear_8_cdec_sa_Alphabet(PyObject *o) {
-  struct __pyx_obj_8_cdec_sa_Alphabet *p = (struct __pyx_obj_8_cdec_sa_Alphabet *)o;
-  PyObject* tmp;
-  tmp = ((PyObject*)p->terminals);
-  p->terminals = ((struct __pyx_obj_8_cdec_sa_StringMap *)Py_None); Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->nonterminals);
-  p->nonterminals = ((struct __pyx_obj_8_cdec_sa_StringMap *)Py_None); Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->id2sym);
-  p->id2sym = ((PyObject*)Py_None); Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  return 0;
-}
-
-static PyObject *__pyx_getprop_8_cdec_sa_8Alphabet_terminals(PyObject *o, void *x) {
-  return __pyx_pw_8_cdec_sa_8Alphabet_9terminals_1__get__(o);
-}
-
-static PyObject *__pyx_getprop_8_cdec_sa_8Alphabet_nonterminals(PyObject *o, void *x) {
-  return __pyx_pw_8_cdec_sa_8Alphabet_12nonterminals_1__get__(o);
-}
-
-static PyMethodDef __pyx_methods_8_cdec_sa_Alphabet[] = {
+static PyMethodDef __pyx_methods_3_sa_VEB[] = {
+  {__Pyx_NAMESTR("insert"), (PyCFunction)__pyx_pw_3_sa_3VEB_7insert, METH_O, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("findsucc"), (PyCFunction)__pyx_pw_3_sa_3VEB_9findsucc, METH_O, __Pyx_DOCSTR(0)},
   {0, 0, 0, 0}
 };
 
-static struct PyGetSetDef __pyx_getsets_8_cdec_sa_Alphabet[] = {
-  {(char *)"terminals", __pyx_getprop_8_cdec_sa_8Alphabet_terminals, 0, 0, 0},
-  {(char *)"nonterminals", __pyx_getprop_8_cdec_sa_8Alphabet_nonterminals, 0, 0, 0},
-  {0, 0, 0, 0, 0}
-};
-
-static PyNumberMethods __pyx_tp_as_number_Alphabet = {
+static PyNumberMethods __pyx_tp_as_number_VEB = {
   0, /*nb_add*/
   0, /*nb_subtract*/
   0, /*nb_multiply*/
@@ -55794,26 +55876,26 @@ static PyNumberMethods __pyx_tp_as_number_Alphabet = {
   #endif
 };
 
-static PySequenceMethods __pyx_tp_as_sequence_Alphabet = {
-  0, /*sq_length*/
+static PySequenceMethods __pyx_tp_as_sequence_VEB = {
+  __pyx_pw_3_sa_3VEB_11__len__, /*sq_length*/
   0, /*sq_concat*/
   0, /*sq_repeat*/
   0, /*sq_item*/
   0, /*sq_slice*/
   0, /*sq_ass_item*/
   0, /*sq_ass_slice*/
-  0, /*sq_contains*/
+  __pyx_pw_3_sa_3VEB_13__contains__, /*sq_contains*/
   0, /*sq_inplace_concat*/
   0, /*sq_inplace_repeat*/
 };
 
-static PyMappingMethods __pyx_tp_as_mapping_Alphabet = {
-  0, /*mp_length*/
+static PyMappingMethods __pyx_tp_as_mapping_VEB = {
+  __pyx_pw_3_sa_3VEB_11__len__, /*mp_length*/
   0, /*mp_subscript*/
   0, /*mp_ass_subscript*/
 };
 
-static PyBufferProcs __pyx_tp_as_buffer_Alphabet = {
+static PyBufferProcs __pyx_tp_as_buffer_VEB = {
   #if PY_MAJOR_VERSION < 3
   0, /*bf_getreadbuffer*/
   #endif
@@ -55834,12 +55916,12 @@ static PyBufferProcs __pyx_tp_as_buffer_Alphabet = {
   #endif
 };
 
-static PyTypeObject __pyx_type_8_cdec_sa_Alphabet = {
+static PyTypeObject __pyx_type_3_sa_VEB = {
   PyVarObject_HEAD_INIT(0, 0)
-  __Pyx_NAMESTR("_cdec_sa.Alphabet"), /*tp_name*/
-  sizeof(struct __pyx_obj_8_cdec_sa_Alphabet), /*tp_basicsize*/
+  __Pyx_NAMESTR("_sa.VEB"), /*tp_name*/
+  sizeof(struct __pyx_obj_3_sa_VEB), /*tp_basicsize*/
   0, /*tp_itemsize*/
-  __pyx_tp_dealloc_8_cdec_sa_Alphabet, /*tp_dealloc*/
+  __pyx_tp_dealloc_3_sa_VEB, /*tp_dealloc*/
   0, /*tp_print*/
   0, /*tp_getattr*/
   0, /*tp_setattr*/
@@ -55849,26 +55931,26 @@ static PyTypeObject __pyx_type_8_cdec_sa_Alphabet = {
   0, /*reserved*/
   #endif
   0, /*tp_repr*/
-  &__pyx_tp_as_number_Alphabet, /*tp_as_number*/
-  &__pyx_tp_as_sequence_Alphabet, /*tp_as_sequence*/
-  &__pyx_tp_as_mapping_Alphabet, /*tp_as_mapping*/
+  &__pyx_tp_as_number_VEB, /*tp_as_number*/
+  &__pyx_tp_as_sequence_VEB, /*tp_as_sequence*/
+  &__pyx_tp_as_mapping_VEB, /*tp_as_mapping*/
   0, /*tp_hash*/
   0, /*tp_call*/
   0, /*tp_str*/
   0, /*tp_getattro*/
   0, /*tp_setattro*/
-  &__pyx_tp_as_buffer_Alphabet, /*tp_as_buffer*/
-  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
+  &__pyx_tp_as_buffer_VEB, /*tp_as_buffer*/
+  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE, /*tp_flags*/
   0, /*tp_doc*/
-  __pyx_tp_traverse_8_cdec_sa_Alphabet, /*tp_traverse*/
-  __pyx_tp_clear_8_cdec_sa_Alphabet, /*tp_clear*/
+  0, /*tp_traverse*/
+  0, /*tp_clear*/
   0, /*tp_richcompare*/
   0, /*tp_weaklistoffset*/
-  0, /*tp_iter*/
+  __pyx_pw_3_sa_3VEB_5__iter__, /*tp_iter*/
   0, /*tp_iternext*/
-  __pyx_methods_8_cdec_sa_Alphabet, /*tp_methods*/
+  __pyx_methods_3_sa_VEB, /*tp_methods*/
   0, /*tp_members*/
-  __pyx_getsets_8_cdec_sa_Alphabet, /*tp_getset*/
+  0, /*tp_getset*/
   0, /*tp_base*/
   0, /*tp_dict*/
   0, /*tp_descr_get*/
@@ -55876,7 +55958,7 @@ static PyTypeObject __pyx_type_8_cdec_sa_Alphabet = {
   0, /*tp_dictoffset*/
   0, /*tp_init*/
   0, /*tp_alloc*/
-  __pyx_tp_new_8_cdec_sa_Alphabet, /*tp_new*/
+  __pyx_tp_new_3_sa_VEB, /*tp_new*/
   0, /*tp_free*/
   0, /*tp_is_gc*/
   0, /*tp_bases*/
@@ -55889,53 +55971,57 @@ static PyTypeObject __pyx_type_8_cdec_sa_Alphabet = {
   0, /*tp_version_tag*/
   #endif
 };
-static struct __pyx_vtabstruct_8_cdec_sa_Phrase __pyx_vtable_8_cdec_sa_Phrase;
 
-static PyObject *__pyx_tp_new_8_cdec_sa_Phrase(PyTypeObject *t, PyObject *a, PyObject *k) {
-  struct __pyx_obj_8_cdec_sa_Phrase *p;
+static PyObject *__pyx_tp_new_3_sa_LCP(PyTypeObject *t, PyObject *a, PyObject *k) {
+  struct __pyx_obj_3_sa_LCP *p;
   PyObject *o = (*t->tp_alloc)(t, 0);
   if (!o) return 0;
-  p = ((struct __pyx_obj_8_cdec_sa_Phrase *)o);
-  p->__pyx_vtab = __pyx_vtabptr_8_cdec_sa_Phrase;
-  if (__pyx_pw_8_cdec_sa_6Phrase_1__cinit__(o, a, k) < 0) {
+  p = ((struct __pyx_obj_3_sa_LCP *)o);
+  p->sa = ((struct __pyx_obj_3_sa_SuffixArray *)Py_None); Py_INCREF(Py_None);
+  p->lcp = ((struct __pyx_obj_3_sa_IntList *)Py_None); Py_INCREF(Py_None);
+  if (__pyx_pw_3_sa_3LCP_1__cinit__(o, a, k) < 0) {
     Py_DECREF(o); o = 0;
   }
   return o;
 }
 
-static void __pyx_tp_dealloc_8_cdec_sa_Phrase(PyObject *o) {
-  {
-    PyObject *etype, *eval, *etb;
-    PyErr_Fetch(&etype, &eval, &etb);
-    ++Py_REFCNT(o);
-    __pyx_pw_8_cdec_sa_6Phrase_3__dealloc__(o);
-    if (PyErr_Occurred()) PyErr_WriteUnraisable(o);
-    --Py_REFCNT(o);
-    PyErr_Restore(etype, eval, etb);
-  }
+static void __pyx_tp_dealloc_3_sa_LCP(PyObject *o) {
+  struct __pyx_obj_3_sa_LCP *p = (struct __pyx_obj_3_sa_LCP *)o;
+  Py_XDECREF(((PyObject *)p->sa));
+  Py_XDECREF(((PyObject *)p->lcp));
   (*Py_TYPE(o)->tp_free)(o);
 }
-static PyObject *__pyx_sq_item_8_cdec_sa_Phrase(PyObject *o, Py_ssize_t i) {
-  PyObject *r;
-  PyObject *x = PyInt_FromSsize_t(i); if(!x) return 0;
-  r = Py_TYPE(o)->tp_as_mapping->mp_subscript(o, x);
-  Py_DECREF(x);
-  return r;
+
+static int __pyx_tp_traverse_3_sa_LCP(PyObject *o, visitproc v, void *a) {
+  int e;
+  struct __pyx_obj_3_sa_LCP *p = (struct __pyx_obj_3_sa_LCP *)o;
+  if (p->sa) {
+    e = (*v)(((PyObject*)p->sa), a); if (e) return e;
+  }
+  if (p->lcp) {
+    e = (*v)(((PyObject*)p->lcp), a); if (e) return e;
+  }
+  return 0;
 }
 
-static PyMethodDef __pyx_methods_8_cdec_sa_Phrase[] = {
-  {__Pyx_NAMESTR("handle"), (PyCFunction)__pyx_pw_8_cdec_sa_6Phrase_7handle, METH_NOARGS, __Pyx_DOCSTR(__pyx_doc_8_cdec_sa_6Phrase_6handle)},
-  {__Pyx_NAMESTR("strhandle"), (PyCFunction)__pyx_pw_8_cdec_sa_6Phrase_9strhandle, METH_NOARGS, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("arity"), (PyCFunction)__pyx_pw_8_cdec_sa_6Phrase_11arity, METH_NOARGS, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("getvarpos"), (PyCFunction)__pyx_pw_8_cdec_sa_6Phrase_13getvarpos, METH_O, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("getvar"), (PyCFunction)__pyx_pw_8_cdec_sa_6Phrase_15getvar, METH_O, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("clen"), (PyCFunction)__pyx_pw_8_cdec_sa_6Phrase_17clen, METH_O, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("getchunk"), (PyCFunction)__pyx_pw_8_cdec_sa_6Phrase_19getchunk, METH_O, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("subst"), (PyCFunction)__pyx_pw_8_cdec_sa_6Phrase_31subst, METH_VARARGS|METH_KEYWORDS, __Pyx_DOCSTR(0)},
+static int __pyx_tp_clear_3_sa_LCP(PyObject *o) {
+  struct __pyx_obj_3_sa_LCP *p = (struct __pyx_obj_3_sa_LCP *)o;
+  PyObject* tmp;
+  tmp = ((PyObject*)p->sa);
+  p->sa = ((struct __pyx_obj_3_sa_SuffixArray *)Py_None); Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->lcp);
+  p->lcp = ((struct __pyx_obj_3_sa_IntList *)Py_None); Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  return 0;
+}
+
+static PyMethodDef __pyx_methods_3_sa_LCP[] = {
+  {__Pyx_NAMESTR("compute_stats"), (PyCFunction)__pyx_pw_3_sa_3LCP_3compute_stats, METH_O, __Pyx_DOCSTR(__pyx_doc_3_sa_3LCP_2compute_stats)},
   {0, 0, 0, 0}
 };
 
-static PyNumberMethods __pyx_tp_as_number_Phrase = {
+static PyNumberMethods __pyx_tp_as_number_LCP = {
   0, /*nb_add*/
   0, /*nb_subtract*/
   0, /*nb_multiply*/
@@ -55993,11 +56079,11 @@ static PyNumberMethods __pyx_tp_as_number_Phrase = {
   #endif
 };
 
-static PySequenceMethods __pyx_tp_as_sequence_Phrase = {
-  __pyx_pw_8_cdec_sa_6Phrase_25__len__, /*sq_length*/
+static PySequenceMethods __pyx_tp_as_sequence_LCP = {
+  0, /*sq_length*/
   0, /*sq_concat*/
   0, /*sq_repeat*/
-  __pyx_sq_item_8_cdec_sa_Phrase, /*sq_item*/
+  0, /*sq_item*/
   0, /*sq_slice*/
   0, /*sq_ass_item*/
   0, /*sq_ass_slice*/
@@ -56006,13 +56092,13 @@ static PySequenceMethods __pyx_tp_as_sequence_Phrase = {
   0, /*sq_inplace_repeat*/
 };
 
-static PyMappingMethods __pyx_tp_as_mapping_Phrase = {
-  __pyx_pw_8_cdec_sa_6Phrase_25__len__, /*mp_length*/
-  __pyx_pw_8_cdec_sa_6Phrase_27__getitem__, /*mp_subscript*/
+static PyMappingMethods __pyx_tp_as_mapping_LCP = {
+  0, /*mp_length*/
+  0, /*mp_subscript*/
   0, /*mp_ass_subscript*/
 };
 
-static PyBufferProcs __pyx_tp_as_buffer_Phrase = {
+static PyBufferProcs __pyx_tp_as_buffer_LCP = {
   #if PY_MAJOR_VERSION < 3
   0, /*bf_getreadbuffer*/
   #endif
@@ -56033,39 +56119,39 @@ static PyBufferProcs __pyx_tp_as_buffer_Phrase = {
   #endif
 };
 
-static PyTypeObject __pyx_type_8_cdec_sa_Phrase = {
+static PyTypeObject __pyx_type_3_sa_LCP = {
   PyVarObject_HEAD_INIT(0, 0)
-  __Pyx_NAMESTR("_cdec_sa.Phrase"), /*tp_name*/
-  sizeof(struct __pyx_obj_8_cdec_sa_Phrase), /*tp_basicsize*/
+  __Pyx_NAMESTR("_sa.LCP"), /*tp_name*/
+  sizeof(struct __pyx_obj_3_sa_LCP), /*tp_basicsize*/
   0, /*tp_itemsize*/
-  __pyx_tp_dealloc_8_cdec_sa_Phrase, /*tp_dealloc*/
+  __pyx_tp_dealloc_3_sa_LCP, /*tp_dealloc*/
   0, /*tp_print*/
   0, /*tp_getattr*/
   0, /*tp_setattr*/
   #if PY_MAJOR_VERSION < 3
-  __pyx_pw_8_cdec_sa_6Phrase_21__cmp__, /*tp_compare*/
+  0, /*tp_compare*/
   #else
   0, /*reserved*/
   #endif
   0, /*tp_repr*/
-  &__pyx_tp_as_number_Phrase, /*tp_as_number*/
-  &__pyx_tp_as_sequence_Phrase, /*tp_as_sequence*/
-  &__pyx_tp_as_mapping_Phrase, /*tp_as_mapping*/
-  __pyx_pw_8_cdec_sa_6Phrase_23__hash__, /*tp_hash*/
+  &__pyx_tp_as_number_LCP, /*tp_as_number*/
+  &__pyx_tp_as_sequence_LCP, /*tp_as_sequence*/
+  &__pyx_tp_as_mapping_LCP, /*tp_as_mapping*/
+  0, /*tp_hash*/
   0, /*tp_call*/
-  __pyx_pw_8_cdec_sa_6Phrase_5__str__, /*tp_str*/
+  0, /*tp_str*/
   0, /*tp_getattro*/
   0, /*tp_setattro*/
-  &__pyx_tp_as_buffer_Phrase, /*tp_as_buffer*/
-  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE, /*tp_flags*/
+  &__pyx_tp_as_buffer_LCP, /*tp_as_buffer*/
+  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
   0, /*tp_doc*/
-  0, /*tp_traverse*/
-  0, /*tp_clear*/
+  __pyx_tp_traverse_3_sa_LCP, /*tp_traverse*/
+  __pyx_tp_clear_3_sa_LCP, /*tp_clear*/
   0, /*tp_richcompare*/
   0, /*tp_weaklistoffset*/
-  __pyx_pw_8_cdec_sa_6Phrase_29__iter__, /*tp_iter*/
+  0, /*tp_iter*/
   0, /*tp_iternext*/
-  __pyx_methods_8_cdec_sa_Phrase, /*tp_methods*/
+  __pyx_methods_3_sa_LCP, /*tp_methods*/
   0, /*tp_members*/
   0, /*tp_getset*/
   0, /*tp_base*/
@@ -56075,7 +56161,7 @@ static PyTypeObject __pyx_type_8_cdec_sa_Phrase = {
   0, /*tp_dictoffset*/
   0, /*tp_init*/
   0, /*tp_alloc*/
-  __pyx_tp_new_8_cdec_sa_Phrase, /*tp_new*/
+  __pyx_tp_new_3_sa_LCP, /*tp_new*/
   0, /*tp_free*/
   0, /*tp_is_gc*/
   0, /*tp_bases*/
@@ -56088,133 +56174,89 @@ static PyTypeObject __pyx_type_8_cdec_sa_Phrase = {
   0, /*tp_version_tag*/
   #endif
 };
+static struct __pyx_vtabstruct_3_sa_Alphabet __pyx_vtable_3_sa_Alphabet;
 
-static PyObject *__pyx_tp_new_8_cdec_sa_Rule(PyTypeObject *t, PyObject *a, PyObject *k) {
-  struct __pyx_obj_8_cdec_sa_Rule *p;
+static PyObject *__pyx_tp_new_3_sa_Alphabet(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
+  struct __pyx_obj_3_sa_Alphabet *p;
   PyObject *o = (*t->tp_alloc)(t, 0);
   if (!o) return 0;
-  p = ((struct __pyx_obj_8_cdec_sa_Rule *)o);
-  p->f = ((struct __pyx_obj_8_cdec_sa_Phrase *)Py_None); Py_INCREF(Py_None);
-  p->e = ((struct __pyx_obj_8_cdec_sa_Phrase *)Py_None); Py_INCREF(Py_None);
-  p->word_alignments = Py_None; Py_INCREF(Py_None);
-  if (__pyx_pw_8_cdec_sa_4Rule_1__cinit__(o, a, k) < 0) {
+  p = ((struct __pyx_obj_3_sa_Alphabet *)o);
+  p->__pyx_vtab = __pyx_vtabptr_3_sa_Alphabet;
+  p->terminals = ((struct __pyx_obj_3_sa_StringMap *)Py_None); Py_INCREF(Py_None);
+  p->nonterminals = ((struct __pyx_obj_3_sa_StringMap *)Py_None); Py_INCREF(Py_None);
+  p->id2sym = ((PyObject*)Py_None); Py_INCREF(Py_None);
+  if (__pyx_pw_3_sa_8Alphabet_1__cinit__(o, __pyx_empty_tuple, NULL) < 0) {
     Py_DECREF(o); o = 0;
   }
   return o;
 }
 
-static void __pyx_tp_dealloc_8_cdec_sa_Rule(PyObject *o) {
-  struct __pyx_obj_8_cdec_sa_Rule *p = (struct __pyx_obj_8_cdec_sa_Rule *)o;
+static void __pyx_tp_dealloc_3_sa_Alphabet(PyObject *o) {
+  struct __pyx_obj_3_sa_Alphabet *p = (struct __pyx_obj_3_sa_Alphabet *)o;
   {
     PyObject *etype, *eval, *etb;
     PyErr_Fetch(&etype, &eval, &etb);
     ++Py_REFCNT(o);
-    __pyx_pw_8_cdec_sa_4Rule_3__dealloc__(o);
+    __pyx_pw_3_sa_8Alphabet_3__dealloc__(o);
     if (PyErr_Occurred()) PyErr_WriteUnraisable(o);
     --Py_REFCNT(o);
     PyErr_Restore(etype, eval, etb);
   }
-  Py_XDECREF(((PyObject *)p->f));
-  Py_XDECREF(((PyObject *)p->e));
-  Py_XDECREF(p->word_alignments);
+  Py_XDECREF(((PyObject *)p->terminals));
+  Py_XDECREF(((PyObject *)p->nonterminals));
+  Py_XDECREF(((PyObject *)p->id2sym));
   (*Py_TYPE(o)->tp_free)(o);
 }
 
-static int __pyx_tp_traverse_8_cdec_sa_Rule(PyObject *o, visitproc v, void *a) {
+static int __pyx_tp_traverse_3_sa_Alphabet(PyObject *o, visitproc v, void *a) {
   int e;
-  struct __pyx_obj_8_cdec_sa_Rule *p = (struct __pyx_obj_8_cdec_sa_Rule *)o;
-  if (p->f) {
-    e = (*v)(((PyObject*)p->f), a); if (e) return e;
+  struct __pyx_obj_3_sa_Alphabet *p = (struct __pyx_obj_3_sa_Alphabet *)o;
+  if (p->terminals) {
+    e = (*v)(((PyObject*)p->terminals), a); if (e) return e;
   }
-  if (p->e) {
-    e = (*v)(((PyObject*)p->e), a); if (e) return e;
+  if (p->nonterminals) {
+    e = (*v)(((PyObject*)p->nonterminals), a); if (e) return e;
   }
-  if (p->word_alignments) {
-    e = (*v)(p->word_alignments, a); if (e) return e;
+  if (p->id2sym) {
+    e = (*v)(p->id2sym, a); if (e) return e;
   }
   return 0;
 }
 
-static int __pyx_tp_clear_8_cdec_sa_Rule(PyObject *o) {
-  struct __pyx_obj_8_cdec_sa_Rule *p = (struct __pyx_obj_8_cdec_sa_Rule *)o;
+static int __pyx_tp_clear_3_sa_Alphabet(PyObject *o) {
+  struct __pyx_obj_3_sa_Alphabet *p = (struct __pyx_obj_3_sa_Alphabet *)o;
   PyObject* tmp;
-  tmp = ((PyObject*)p->f);
-  p->f = ((struct __pyx_obj_8_cdec_sa_Phrase *)Py_None); Py_INCREF(Py_None);
+  tmp = ((PyObject*)p->terminals);
+  p->terminals = ((struct __pyx_obj_3_sa_StringMap *)Py_None); Py_INCREF(Py_None);
   Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->e);
-  p->e = ((struct __pyx_obj_8_cdec_sa_Phrase *)Py_None); Py_INCREF(Py_None);
+  tmp = ((PyObject*)p->nonterminals);
+  p->nonterminals = ((struct __pyx_obj_3_sa_StringMap *)Py_None); Py_INCREF(Py_None);
   Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->word_alignments);
-  p->word_alignments = Py_None; Py_INCREF(Py_None);
+  tmp = ((PyObject*)p->id2sym);
+  p->id2sym = ((PyObject*)Py_None); Py_INCREF(Py_None);
   Py_XDECREF(tmp);
   return 0;
 }
 
-static PyObject *__pyx_getprop_8_cdec_sa_4Rule_scores(PyObject *o, void *x) {
-  return __pyx_pw_8_cdec_sa_4Rule_6scores_1__get__(o);
-}
-
-static int __pyx_setprop_8_cdec_sa_4Rule_scores(PyObject *o, PyObject *v, void *x) {
-  if (v) {
-    return __pyx_pw_8_cdec_sa_4Rule_6scores_3__set__(o, v);
-  }
-  else {
-    PyErr_SetString(PyExc_NotImplementedError, "__del__");
-    return -1;
-  }
-}
-
-static PyObject *__pyx_getprop_8_cdec_sa_4Rule_lhs(PyObject *o, void *x) {
-  return __pyx_pw_8_cdec_sa_4Rule_3lhs_1__get__(o);
-}
-
-static int __pyx_setprop_8_cdec_sa_4Rule_lhs(PyObject *o, PyObject *v, void *x) {
-  if (v) {
-    return __pyx_pw_8_cdec_sa_4Rule_3lhs_3__set__(o, v);
-  }
-  else {
-    PyErr_SetString(PyExc_NotImplementedError, "__del__");
-    return -1;
-  }
-}
-
-static PyObject *__pyx_getprop_8_cdec_sa_4Rule_f(PyObject *o, void *x) {
-  return __pyx_pw_8_cdec_sa_4Rule_1f_1__get__(o);
-}
-
-static PyObject *__pyx_getprop_8_cdec_sa_4Rule_e(PyObject *o, void *x) {
-  return __pyx_pw_8_cdec_sa_4Rule_1e_1__get__(o);
+static PyObject *__pyx_getprop_3_sa_8Alphabet_terminals(PyObject *o, CYTHON_UNUSED void *x) {
+  return __pyx_pw_3_sa_8Alphabet_9terminals_1__get__(o);
 }
 
-static PyObject *__pyx_getprop_8_cdec_sa_4Rule_word_alignments(PyObject *o, void *x) {
-  return __pyx_pw_8_cdec_sa_4Rule_15word_alignments_1__get__(o);
+static PyObject *__pyx_getprop_3_sa_8Alphabet_nonterminals(PyObject *o, CYTHON_UNUSED void *x) {
+  return __pyx_pw_3_sa_8Alphabet_12nonterminals_1__get__(o);
 }
 
-static int __pyx_setprop_8_cdec_sa_4Rule_word_alignments(PyObject *o, PyObject *v, void *x) {
-  if (v) {
-    return __pyx_pw_8_cdec_sa_4Rule_15word_alignments_3__set__(o, v);
-  }
-  else {
-    return __pyx_pw_8_cdec_sa_4Rule_15word_alignments_5__del__(o);
-  }
-}
-
-static PyMethodDef __pyx_methods_8_cdec_sa_Rule[] = {
-  {__Pyx_NAMESTR("fmerge"), (PyCFunction)__pyx_pw_8_cdec_sa_4Rule_11fmerge, METH_O, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("arity"), (PyCFunction)__pyx_pw_8_cdec_sa_4Rule_13arity, METH_NOARGS, __Pyx_DOCSTR(0)},
+static PyMethodDef __pyx_methods_3_sa_Alphabet[] = {
   {0, 0, 0, 0}
 };
 
-static struct PyGetSetDef __pyx_getsets_8_cdec_sa_Rule[] = {
-  {(char *)"scores", __pyx_getprop_8_cdec_sa_4Rule_scores, __pyx_setprop_8_cdec_sa_4Rule_scores, 0, 0},
-  {(char *)"lhs", __pyx_getprop_8_cdec_sa_4Rule_lhs, __pyx_setprop_8_cdec_sa_4Rule_lhs, 0, 0},
-  {(char *)"f", __pyx_getprop_8_cdec_sa_4Rule_f, 0, 0, 0},
-  {(char *)"e", __pyx_getprop_8_cdec_sa_4Rule_e, 0, 0, 0},
-  {(char *)"word_alignments", __pyx_getprop_8_cdec_sa_4Rule_word_alignments, __pyx_setprop_8_cdec_sa_4Rule_word_alignments, 0, 0},
+static struct PyGetSetDef __pyx_getsets_3_sa_Alphabet[] = {
+  {(char *)"terminals", __pyx_getprop_3_sa_8Alphabet_terminals, 0, 0, 0},
+  {(char *)"nonterminals", __pyx_getprop_3_sa_8Alphabet_nonterminals, 0, 0, 0},
   {0, 0, 0, 0, 0}
 };
 
-static PyNumberMethods __pyx_tp_as_number_Rule = {
+static PyNumberMethods __pyx_tp_as_number_Alphabet = {
   0, /*nb_add*/
   0, /*nb_subtract*/
   0, /*nb_multiply*/
@@ -56250,7 +56292,7 @@ static PyNumberMethods __pyx_tp_as_number_Rule = {
   #if PY_MAJOR_VERSION < 3
   0, /*nb_hex*/
   #endif
-  __pyx_pw_8_cdec_sa_4Rule_9__iadd__, /*nb_inplace_add*/
+  0, /*nb_inplace_add*/
   0, /*nb_inplace_subtract*/
   0, /*nb_inplace_multiply*/
   #if PY_MAJOR_VERSION < 3
@@ -56272,7 +56314,7 @@ static PyNumberMethods __pyx_tp_as_number_Rule = {
   #endif
 };
 
-static PySequenceMethods __pyx_tp_as_sequence_Rule = {
+static PySequenceMethods __pyx_tp_as_sequence_Alphabet = {
   0, /*sq_length*/
   0, /*sq_concat*/
   0, /*sq_repeat*/
@@ -56285,13 +56327,13 @@ static PySequenceMethods __pyx_tp_as_sequence_Rule = {
   0, /*sq_inplace_repeat*/
 };
 
-static PyMappingMethods __pyx_tp_as_mapping_Rule = {
+static PyMappingMethods __pyx_tp_as_mapping_Alphabet = {
   0, /*mp_length*/
   0, /*mp_subscript*/
   0, /*mp_ass_subscript*/
 };
 
-static PyBufferProcs __pyx_tp_as_buffer_Rule = {
+static PyBufferProcs __pyx_tp_as_buffer_Alphabet = {
   #if PY_MAJOR_VERSION < 3
   0, /*bf_getreadbuffer*/
   #endif
@@ -56312,41 +56354,41 @@ static PyBufferProcs __pyx_tp_as_buffer_Rule = {
   #endif
 };
 
-static PyTypeObject __pyx_type_8_cdec_sa_Rule = {
+static PyTypeObject __pyx_type_3_sa_Alphabet = {
   PyVarObject_HEAD_INIT(0, 0)
-  __Pyx_NAMESTR("_cdec_sa.Rule"), /*tp_name*/
-  sizeof(struct __pyx_obj_8_cdec_sa_Rule), /*tp_basicsize*/
+  __Pyx_NAMESTR("_sa.Alphabet"), /*tp_name*/
+  sizeof(struct __pyx_obj_3_sa_Alphabet), /*tp_basicsize*/
   0, /*tp_itemsize*/
-  __pyx_tp_dealloc_8_cdec_sa_Rule, /*tp_dealloc*/
+  __pyx_tp_dealloc_3_sa_Alphabet, /*tp_dealloc*/
   0, /*tp_print*/
   0, /*tp_getattr*/
   0, /*tp_setattr*/
   #if PY_MAJOR_VERSION < 3
-  __pyx_pw_8_cdec_sa_4Rule_7__cmp__, /*tp_compare*/
+  0, /*tp_compare*/
   #else
   0, /*reserved*/
   #endif
   0, /*tp_repr*/
-  &__pyx_tp_as_number_Rule, /*tp_as_number*/
-  &__pyx_tp_as_sequence_Rule, /*tp_as_sequence*/
-  &__pyx_tp_as_mapping_Rule, /*tp_as_mapping*/
-  __pyx_pw_8_cdec_sa_4Rule_5__hash__, /*tp_hash*/
+  &__pyx_tp_as_number_Alphabet, /*tp_as_number*/
+  &__pyx_tp_as_sequence_Alphabet, /*tp_as_sequence*/
+  &__pyx_tp_as_mapping_Alphabet, /*tp_as_mapping*/
+  0, /*tp_hash*/
   0, /*tp_call*/
-  __pyx_pw_8_cdec_sa_4Rule_15__str__, /*tp_str*/
+  0, /*tp_str*/
   0, /*tp_getattro*/
   0, /*tp_setattro*/
-  &__pyx_tp_as_buffer_Rule, /*tp_as_buffer*/
+  &__pyx_tp_as_buffer_Alphabet, /*tp_as_buffer*/
   Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
   0, /*tp_doc*/
-  __pyx_tp_traverse_8_cdec_sa_Rule, /*tp_traverse*/
-  __pyx_tp_clear_8_cdec_sa_Rule, /*tp_clear*/
+  __pyx_tp_traverse_3_sa_Alphabet, /*tp_traverse*/
+  __pyx_tp_clear_3_sa_Alphabet, /*tp_clear*/
   0, /*tp_richcompare*/
   0, /*tp_weaklistoffset*/
   0, /*tp_iter*/
   0, /*tp_iternext*/
-  __pyx_methods_8_cdec_sa_Rule, /*tp_methods*/
+  __pyx_methods_3_sa_Alphabet, /*tp_methods*/
   0, /*tp_members*/
-  __pyx_getsets_8_cdec_sa_Rule, /*tp_getset*/
+  __pyx_getsets_3_sa_Alphabet, /*tp_getset*/
   0, /*tp_base*/
   0, /*tp_dict*/
   0, /*tp_descr_get*/
@@ -56354,7 +56396,7 @@ static PyTypeObject __pyx_type_8_cdec_sa_Rule = {
   0, /*tp_dictoffset*/
   0, /*tp_init*/
   0, /*tp_alloc*/
-  __pyx_tp_new_8_cdec_sa_Rule, /*tp_new*/
+  __pyx_tp_new_3_sa_Alphabet, /*tp_new*/
   0, /*tp_free*/
   0, /*tp_is_gc*/
   0, /*tp_bases*/
@@ -56367,26 +56409,26 @@ static PyTypeObject __pyx_type_8_cdec_sa_Rule = {
   0, /*tp_version_tag*/
   #endif
 };
-static struct __pyx_vtabstruct_8_cdec_sa_TrieMap __pyx_vtable_8_cdec_sa_TrieMap;
+static struct __pyx_vtabstruct_3_sa_TrieMap __pyx_vtable_3_sa_TrieMap;
 
-static PyObject *__pyx_tp_new_8_cdec_sa_TrieMap(PyTypeObject *t, PyObject *a, PyObject *k) {
-  struct __pyx_obj_8_cdec_sa_TrieMap *p;
+static PyObject *__pyx_tp_new_3_sa_TrieMap(PyTypeObject *t, PyObject *a, PyObject *k) {
+  struct __pyx_obj_3_sa_TrieMap *p;
   PyObject *o = (*t->tp_alloc)(t, 0);
   if (!o) return 0;
-  p = ((struct __pyx_obj_8_cdec_sa_TrieMap *)o);
-  p->__pyx_vtab = __pyx_vtabptr_8_cdec_sa_TrieMap;
-  if (__pyx_pw_8_cdec_sa_7TrieMap_1__cinit__(o, a, k) < 0) {
+  p = ((struct __pyx_obj_3_sa_TrieMap *)o);
+  p->__pyx_vtab = __pyx_vtabptr_3_sa_TrieMap;
+  if (__pyx_pw_3_sa_7TrieMap_1__cinit__(o, a, k) < 0) {
     Py_DECREF(o); o = 0;
   }
   return o;
 }
 
-static void __pyx_tp_dealloc_8_cdec_sa_TrieMap(PyObject *o) {
+static void __pyx_tp_dealloc_3_sa_TrieMap(PyObject *o) {
   {
     PyObject *etype, *eval, *etb;
     PyErr_Fetch(&etype, &eval, &etb);
     ++Py_REFCNT(o);
-    __pyx_pw_8_cdec_sa_7TrieMap_3__dealloc__(o);
+    __pyx_pw_3_sa_7TrieMap_3__dealloc__(o);
     if (PyErr_Occurred()) PyErr_WriteUnraisable(o);
     --Py_REFCNT(o);
     PyErr_Restore(etype, eval, etb);
@@ -56394,10 +56436,10 @@ static void __pyx_tp_dealloc_8_cdec_sa_TrieMap(PyObject *o) {
   (*Py_TYPE(o)->tp_free)(o);
 }
 
-static PyMethodDef __pyx_methods_8_cdec_sa_TrieMap[] = {
-  {__Pyx_NAMESTR("insert"), (PyCFunction)__pyx_pw_8_cdec_sa_7TrieMap_5insert, METH_O, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("contains"), (PyCFunction)__pyx_pw_8_cdec_sa_7TrieMap_7contains, METH_O, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("toMap"), (PyCFunction)__pyx_pw_8_cdec_sa_7TrieMap_9toMap, METH_O, __Pyx_DOCSTR(0)},
+static PyMethodDef __pyx_methods_3_sa_TrieMap[] = {
+  {__Pyx_NAMESTR("insert"), (PyCFunction)__pyx_pw_3_sa_7TrieMap_5insert, METH_O, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("contains"), (PyCFunction)__pyx_pw_3_sa_7TrieMap_7contains, METH_O, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("toMap"), (PyCFunction)__pyx_pw_3_sa_7TrieMap_9toMap, METH_O, __Pyx_DOCSTR(0)},
   {0, 0, 0, 0}
 };
 
@@ -56499,12 +56541,12 @@ static PyBufferProcs __pyx_tp_as_buffer_TrieMap = {
   #endif
 };
 
-static PyTypeObject __pyx_type_8_cdec_sa_TrieMap = {
+static PyTypeObject __pyx_type_3_sa_TrieMap = {
   PyVarObject_HEAD_INIT(0, 0)
-  __Pyx_NAMESTR("_cdec_sa.TrieMap"), /*tp_name*/
-  sizeof(struct __pyx_obj_8_cdec_sa_TrieMap), /*tp_basicsize*/
+  __Pyx_NAMESTR("_sa.TrieMap"), /*tp_name*/
+  sizeof(struct __pyx_obj_3_sa_TrieMap), /*tp_basicsize*/
   0, /*tp_itemsize*/
-  __pyx_tp_dealloc_8_cdec_sa_TrieMap, /*tp_dealloc*/
+  __pyx_tp_dealloc_3_sa_TrieMap, /*tp_dealloc*/
   0, /*tp_print*/
   0, /*tp_getattr*/
   0, /*tp_setattr*/
@@ -56531,7 +56573,7 @@ static PyTypeObject __pyx_type_8_cdec_sa_TrieMap = {
   0, /*tp_weaklistoffset*/
   0, /*tp_iter*/
   0, /*tp_iternext*/
-  __pyx_methods_8_cdec_sa_TrieMap, /*tp_methods*/
+  __pyx_methods_3_sa_TrieMap, /*tp_methods*/
   0, /*tp_members*/
   0, /*tp_getset*/
   0, /*tp_base*/
@@ -56541,7 +56583,7 @@ static PyTypeObject __pyx_type_8_cdec_sa_TrieMap = {
   0, /*tp_dictoffset*/
   0, /*tp_init*/
   0, /*tp_alloc*/
-  __pyx_tp_new_8_cdec_sa_TrieMap, /*tp_new*/
+  __pyx_tp_new_3_sa_TrieMap, /*tp_new*/
   0, /*tp_free*/
   0, /*tp_is_gc*/
   0, /*tp_bases*/
@@ -56554,32 +56596,32 @@ static PyTypeObject __pyx_type_8_cdec_sa_TrieMap = {
   0, /*tp_version_tag*/
   #endif
 };
-static struct __pyx_vtabstruct_8_cdec_sa_Precomputation __pyx_vtable_8_cdec_sa_Precomputation;
+static struct __pyx_vtabstruct_3_sa_Precomputation __pyx_vtable_3_sa_Precomputation;
 
-static PyObject *__pyx_tp_new_8_cdec_sa_Precomputation(PyTypeObject *t, PyObject *a, PyObject *k) {
-  struct __pyx_obj_8_cdec_sa_Precomputation *p;
+static PyObject *__pyx_tp_new_3_sa_Precomputation(PyTypeObject *t, PyObject *a, PyObject *k) {
+  struct __pyx_obj_3_sa_Precomputation *p;
   PyObject *o = (*t->tp_alloc)(t, 0);
   if (!o) return 0;
-  p = ((struct __pyx_obj_8_cdec_sa_Precomputation *)o);
-  p->__pyx_vtab = __pyx_vtabptr_8_cdec_sa_Precomputation;
+  p = ((struct __pyx_obj_3_sa_Precomputation *)o);
+  p->__pyx_vtab = __pyx_vtabptr_3_sa_Precomputation;
   p->precomputed_index = Py_None; Py_INCREF(Py_None);
   p->precomputed_collocations = Py_None; Py_INCREF(Py_None);
-  if (__pyx_pw_8_cdec_sa_14Precomputation_1__cinit__(o, a, k) < 0) {
+  if (__pyx_pw_3_sa_14Precomputation_1__cinit__(o, a, k) < 0) {
     Py_DECREF(o); o = 0;
   }
   return o;
 }
 
-static void __pyx_tp_dealloc_8_cdec_sa_Precomputation(PyObject *o) {
-  struct __pyx_obj_8_cdec_sa_Precomputation *p = (struct __pyx_obj_8_cdec_sa_Precomputation *)o;
+static void __pyx_tp_dealloc_3_sa_Precomputation(PyObject *o) {
+  struct __pyx_obj_3_sa_Precomputation *p = (struct __pyx_obj_3_sa_Precomputation *)o;
   Py_XDECREF(p->precomputed_index);
   Py_XDECREF(p->precomputed_collocations);
   (*Py_TYPE(o)->tp_free)(o);
 }
 
-static int __pyx_tp_traverse_8_cdec_sa_Precomputation(PyObject *o, visitproc v, void *a) {
+static int __pyx_tp_traverse_3_sa_Precomputation(PyObject *o, visitproc v, void *a) {
   int e;
-  struct __pyx_obj_8_cdec_sa_Precomputation *p = (struct __pyx_obj_8_cdec_sa_Precomputation *)o;
+  struct __pyx_obj_3_sa_Precomputation *p = (struct __pyx_obj_3_sa_Precomputation *)o;
   if (p->precomputed_index) {
     e = (*v)(p->precomputed_index, a); if (e) return e;
   }
@@ -56589,8 +56631,8 @@ static int __pyx_tp_traverse_8_cdec_sa_Precomputation(PyObject *o, visitproc v,
   return 0;
 }
 
-static int __pyx_tp_clear_8_cdec_sa_Precomputation(PyObject *o) {
-  struct __pyx_obj_8_cdec_sa_Precomputation *p = (struct __pyx_obj_8_cdec_sa_Precomputation *)o;
+static int __pyx_tp_clear_3_sa_Precomputation(PyObject *o) {
+  struct __pyx_obj_3_sa_Precomputation *p = (struct __pyx_obj_3_sa_Precomputation *)o;
   PyObject* tmp;
   tmp = ((PyObject*)p->precomputed_index);
   p->precomputed_index = Py_None; Py_INCREF(Py_None);
@@ -56601,10 +56643,10 @@ static int __pyx_tp_clear_8_cdec_sa_Precomputation(PyObject *o) {
   return 0;
 }
 
-static PyMethodDef __pyx_methods_8_cdec_sa_Precomputation[] = {
-  {__Pyx_NAMESTR("read_binary"), (PyCFunction)__pyx_pw_8_cdec_sa_14Precomputation_3read_binary, METH_O, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("write_binary"), (PyCFunction)__pyx_pw_8_cdec_sa_14Precomputation_5write_binary, METH_O, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("precompute"), (PyCFunction)__pyx_pw_8_cdec_sa_14Precomputation_7precompute, METH_VARARGS|METH_KEYWORDS, __Pyx_DOCSTR(0)},
+static PyMethodDef __pyx_methods_3_sa_Precomputation[] = {
+  {__Pyx_NAMESTR("read_binary"), (PyCFunction)__pyx_pw_3_sa_14Precomputation_3read_binary, METH_O, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("write_binary"), (PyCFunction)__pyx_pw_3_sa_14Precomputation_5write_binary, METH_O, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("precompute"), (PyCFunction)__pyx_pw_3_sa_14Precomputation_7precompute, METH_VARARGS|METH_KEYWORDS, __Pyx_DOCSTR(0)},
   {0, 0, 0, 0}
 };
 
@@ -56706,12 +56748,12 @@ static PyBufferProcs __pyx_tp_as_buffer_Precomputation = {
   #endif
 };
 
-static PyTypeObject __pyx_type_8_cdec_sa_Precomputation = {
+static PyTypeObject __pyx_type_3_sa_Precomputation = {
   PyVarObject_HEAD_INIT(0, 0)
-  __Pyx_NAMESTR("_cdec_sa.Precomputation"), /*tp_name*/
-  sizeof(struct __pyx_obj_8_cdec_sa_Precomputation), /*tp_basicsize*/
+  __Pyx_NAMESTR("_sa.Precomputation"), /*tp_name*/
+  sizeof(struct __pyx_obj_3_sa_Precomputation), /*tp_basicsize*/
   0, /*tp_itemsize*/
-  __pyx_tp_dealloc_8_cdec_sa_Precomputation, /*tp_dealloc*/
+  __pyx_tp_dealloc_3_sa_Precomputation, /*tp_dealloc*/
   0, /*tp_print*/
   0, /*tp_getattr*/
   0, /*tp_setattr*/
@@ -56732,13 +56774,13 @@ static PyTypeObject __pyx_type_8_cdec_sa_Precomputation = {
   &__pyx_tp_as_buffer_Precomputation, /*tp_as_buffer*/
   Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
   0, /*tp_doc*/
-  __pyx_tp_traverse_8_cdec_sa_Precomputation, /*tp_traverse*/
-  __pyx_tp_clear_8_cdec_sa_Precomputation, /*tp_clear*/
+  __pyx_tp_traverse_3_sa_Precomputation, /*tp_traverse*/
+  __pyx_tp_clear_3_sa_Precomputation, /*tp_clear*/
   0, /*tp_richcompare*/
   0, /*tp_weaklistoffset*/
   0, /*tp_iter*/
   0, /*tp_iternext*/
-  __pyx_methods_8_cdec_sa_Precomputation, /*tp_methods*/
+  __pyx_methods_3_sa_Precomputation, /*tp_methods*/
   0, /*tp_members*/
   0, /*tp_getset*/
   0, /*tp_base*/
@@ -56748,7 +56790,7 @@ static PyTypeObject __pyx_type_8_cdec_sa_Precomputation = {
   0, /*tp_dictoffset*/
   0, /*tp_init*/
   0, /*tp_alloc*/
-  __pyx_tp_new_8_cdec_sa_Precomputation, /*tp_new*/
+  __pyx_tp_new_3_sa_Precomputation, /*tp_new*/
   0, /*tp_free*/
   0, /*tp_is_gc*/
   0, /*tp_bases*/
@@ -56761,34 +56803,34 @@ static PyTypeObject __pyx_type_8_cdec_sa_Precomputation = {
   0, /*tp_version_tag*/
   #endif
 };
-static struct __pyx_vtabstruct_8_cdec_sa_SuffixArray __pyx_vtable_8_cdec_sa_SuffixArray;
+static struct __pyx_vtabstruct_3_sa_SuffixArray __pyx_vtable_3_sa_SuffixArray;
 
-static PyObject *__pyx_tp_new_8_cdec_sa_SuffixArray(PyTypeObject *t, PyObject *a, PyObject *k) {
-  struct __pyx_obj_8_cdec_sa_SuffixArray *p;
+static PyObject *__pyx_tp_new_3_sa_SuffixArray(PyTypeObject *t, PyObject *a, PyObject *k) {
+  struct __pyx_obj_3_sa_SuffixArray *p;
   PyObject *o = (*t->tp_alloc)(t, 0);
   if (!o) return 0;
-  p = ((struct __pyx_obj_8_cdec_sa_SuffixArray *)o);
-  p->__pyx_vtab = __pyx_vtabptr_8_cdec_sa_SuffixArray;
-  p->darray = ((struct __pyx_obj_8_cdec_sa_DataArray *)Py_None); Py_INCREF(Py_None);
-  p->sa = ((struct __pyx_obj_8_cdec_sa_IntList *)Py_None); Py_INCREF(Py_None);
-  p->ha = ((struct __pyx_obj_8_cdec_sa_IntList *)Py_None); Py_INCREF(Py_None);
-  if (__pyx_pw_8_cdec_sa_11SuffixArray_1__cinit__(o, a, k) < 0) {
+  p = ((struct __pyx_obj_3_sa_SuffixArray *)o);
+  p->__pyx_vtab = __pyx_vtabptr_3_sa_SuffixArray;
+  p->darray = ((struct __pyx_obj_3_sa_DataArray *)Py_None); Py_INCREF(Py_None);
+  p->sa = ((struct __pyx_obj_3_sa_IntList *)Py_None); Py_INCREF(Py_None);
+  p->ha = ((struct __pyx_obj_3_sa_IntList *)Py_None); Py_INCREF(Py_None);
+  if (__pyx_pw_3_sa_11SuffixArray_1__cinit__(o, a, k) < 0) {
     Py_DECREF(o); o = 0;
   }
   return o;
 }
 
-static void __pyx_tp_dealloc_8_cdec_sa_SuffixArray(PyObject *o) {
-  struct __pyx_obj_8_cdec_sa_SuffixArray *p = (struct __pyx_obj_8_cdec_sa_SuffixArray *)o;
+static void __pyx_tp_dealloc_3_sa_SuffixArray(PyObject *o) {
+  struct __pyx_obj_3_sa_SuffixArray *p = (struct __pyx_obj_3_sa_SuffixArray *)o;
   Py_XDECREF(((PyObject *)p->darray));
   Py_XDECREF(((PyObject *)p->sa));
   Py_XDECREF(((PyObject *)p->ha));
   (*Py_TYPE(o)->tp_free)(o);
 }
 
-static int __pyx_tp_traverse_8_cdec_sa_SuffixArray(PyObject *o, visitproc v, void *a) {
+static int __pyx_tp_traverse_3_sa_SuffixArray(PyObject *o, visitproc v, void *a) {
   int e;
-  struct __pyx_obj_8_cdec_sa_SuffixArray *p = (struct __pyx_obj_8_cdec_sa_SuffixArray *)o;
+  struct __pyx_obj_3_sa_SuffixArray *p = (struct __pyx_obj_3_sa_SuffixArray *)o;
   if (p->darray) {
     e = (*v)(((PyObject*)p->darray), a); if (e) return e;
   }
@@ -56801,21 +56843,21 @@ static int __pyx_tp_traverse_8_cdec_sa_SuffixArray(PyObject *o, visitproc v, voi
   return 0;
 }
 
-static int __pyx_tp_clear_8_cdec_sa_SuffixArray(PyObject *o) {
-  struct __pyx_obj_8_cdec_sa_SuffixArray *p = (struct __pyx_obj_8_cdec_sa_SuffixArray *)o;
+static int __pyx_tp_clear_3_sa_SuffixArray(PyObject *o) {
+  struct __pyx_obj_3_sa_SuffixArray *p = (struct __pyx_obj_3_sa_SuffixArray *)o;
   PyObject* tmp;
   tmp = ((PyObject*)p->darray);
-  p->darray = ((struct __pyx_obj_8_cdec_sa_DataArray *)Py_None); Py_INCREF(Py_None);
+  p->darray = ((struct __pyx_obj_3_sa_DataArray *)Py_None); Py_INCREF(Py_None);
   Py_XDECREF(tmp);
   tmp = ((PyObject*)p->sa);
-  p->sa = ((struct __pyx_obj_8_cdec_sa_IntList *)Py_None); Py_INCREF(Py_None);
+  p->sa = ((struct __pyx_obj_3_sa_IntList *)Py_None); Py_INCREF(Py_None);
   Py_XDECREF(tmp);
   tmp = ((PyObject*)p->ha);
-  p->ha = ((struct __pyx_obj_8_cdec_sa_IntList *)Py_None); Py_INCREF(Py_None);
+  p->ha = ((struct __pyx_obj_3_sa_IntList *)Py_None); Py_INCREF(Py_None);
   Py_XDECREF(tmp);
   return 0;
 }
-static PyObject *__pyx_sq_item_8_cdec_sa_SuffixArray(PyObject *o, Py_ssize_t i) {
+static PyObject *__pyx_sq_item_3_sa_SuffixArray(PyObject *o, Py_ssize_t i) {
   PyObject *r;
   PyObject *x = PyInt_FromSsize_t(i); if(!x) return 0;
   r = Py_TYPE(o)->tp_as_mapping->mp_subscript(o, x);
@@ -56823,17 +56865,17 @@ static PyObject *__pyx_sq_item_8_cdec_sa_SuffixArray(PyObject *o, Py_ssize_t i)
   return r;
 }
 
-static PyMethodDef __pyx_methods_8_cdec_sa_SuffixArray[] = {
-  {__Pyx_NAMESTR("getSentId"), (PyCFunction)__pyx_pw_8_cdec_sa_11SuffixArray_5getSentId, METH_O, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("getSent"), (PyCFunction)__pyx_pw_8_cdec_sa_11SuffixArray_7getSent, METH_O, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("getSentPos"), (PyCFunction)__pyx_pw_8_cdec_sa_11SuffixArray_9getSentPos, METH_O, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("read_text"), (PyCFunction)__pyx_pw_8_cdec_sa_11SuffixArray_11read_text, METH_O, __Pyx_DOCSTR(__pyx_doc_8_cdec_sa_11SuffixArray_10read_text)},
-  {__Pyx_NAMESTR("q3sort"), (PyCFunction)__pyx_pw_8_cdec_sa_11SuffixArray_13q3sort, METH_VARARGS|METH_KEYWORDS, __Pyx_DOCSTR(__pyx_doc_8_cdec_sa_11SuffixArray_12q3sort)},
-  {__Pyx_NAMESTR("write_text"), (PyCFunction)__pyx_pw_8_cdec_sa_11SuffixArray_15write_text, METH_O, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("read_binary"), (PyCFunction)__pyx_pw_8_cdec_sa_11SuffixArray_17read_binary, METH_O, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("write_binary"), (PyCFunction)__pyx_pw_8_cdec_sa_11SuffixArray_19write_binary, METH_O, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("write_enhanced"), (PyCFunction)__pyx_pw_8_cdec_sa_11SuffixArray_21write_enhanced, METH_O, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("lookup"), (PyCFunction)__pyx_pw_8_cdec_sa_11SuffixArray_23lookup, METH_VARARGS|METH_KEYWORDS, __Pyx_DOCSTR(0)},
+static PyMethodDef __pyx_methods_3_sa_SuffixArray[] = {
+  {__Pyx_NAMESTR("getSentId"), (PyCFunction)__pyx_pw_3_sa_11SuffixArray_5getSentId, METH_O, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("getSent"), (PyCFunction)__pyx_pw_3_sa_11SuffixArray_7getSent, METH_O, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("getSentPos"), (PyCFunction)__pyx_pw_3_sa_11SuffixArray_9getSentPos, METH_O, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("read_text"), (PyCFunction)__pyx_pw_3_sa_11SuffixArray_11read_text, METH_O, __Pyx_DOCSTR(__pyx_doc_3_sa_11SuffixArray_10read_text)},
+  {__Pyx_NAMESTR("q3sort"), (PyCFunction)__pyx_pw_3_sa_11SuffixArray_13q3sort, METH_VARARGS|METH_KEYWORDS, __Pyx_DOCSTR(__pyx_doc_3_sa_11SuffixArray_12q3sort)},
+  {__Pyx_NAMESTR("write_text"), (PyCFunction)__pyx_pw_3_sa_11SuffixArray_15write_text, METH_O, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("read_binary"), (PyCFunction)__pyx_pw_3_sa_11SuffixArray_17read_binary, METH_O, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("write_binary"), (PyCFunction)__pyx_pw_3_sa_11SuffixArray_19write_binary, METH_O, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("write_enhanced"), (PyCFunction)__pyx_pw_3_sa_11SuffixArray_21write_enhanced, METH_O, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("lookup"), (PyCFunction)__pyx_pw_3_sa_11SuffixArray_23lookup, METH_VARARGS|METH_KEYWORDS, __Pyx_DOCSTR(0)},
   {0, 0, 0, 0}
 };
 
@@ -56899,7 +56941,7 @@ static PySequenceMethods __pyx_tp_as_sequence_SuffixArray = {
   0, /*sq_length*/
   0, /*sq_concat*/
   0, /*sq_repeat*/
-  __pyx_sq_item_8_cdec_sa_SuffixArray, /*sq_item*/
+  __pyx_sq_item_3_sa_SuffixArray, /*sq_item*/
   0, /*sq_slice*/
   0, /*sq_ass_item*/
   0, /*sq_ass_slice*/
@@ -56910,7 +56952,7 @@ static PySequenceMethods __pyx_tp_as_sequence_SuffixArray = {
 
 static PyMappingMethods __pyx_tp_as_mapping_SuffixArray = {
   0, /*mp_length*/
-  __pyx_pw_8_cdec_sa_11SuffixArray_3__getitem__, /*mp_subscript*/
+  __pyx_pw_3_sa_11SuffixArray_3__getitem__, /*mp_subscript*/
   0, /*mp_ass_subscript*/
 };
 
@@ -56935,12 +56977,12 @@ static PyBufferProcs __pyx_tp_as_buffer_SuffixArray = {
   #endif
 };
 
-static PyTypeObject __pyx_type_8_cdec_sa_SuffixArray = {
+static PyTypeObject __pyx_type_3_sa_SuffixArray = {
   PyVarObject_HEAD_INIT(0, 0)
-  __Pyx_NAMESTR("_cdec_sa.SuffixArray"), /*tp_name*/
-  sizeof(struct __pyx_obj_8_cdec_sa_SuffixArray), /*tp_basicsize*/
+  __Pyx_NAMESTR("_sa.SuffixArray"), /*tp_name*/
+  sizeof(struct __pyx_obj_3_sa_SuffixArray), /*tp_basicsize*/
   0, /*tp_itemsize*/
-  __pyx_tp_dealloc_8_cdec_sa_SuffixArray, /*tp_dealloc*/
+  __pyx_tp_dealloc_3_sa_SuffixArray, /*tp_dealloc*/
   0, /*tp_print*/
   0, /*tp_getattr*/
   0, /*tp_setattr*/
@@ -56961,13 +57003,13 @@ static PyTypeObject __pyx_type_8_cdec_sa_SuffixArray = {
   &__pyx_tp_as_buffer_SuffixArray, /*tp_as_buffer*/
   Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
   0, /*tp_doc*/
-  __pyx_tp_traverse_8_cdec_sa_SuffixArray, /*tp_traverse*/
-  __pyx_tp_clear_8_cdec_sa_SuffixArray, /*tp_clear*/
+  __pyx_tp_traverse_3_sa_SuffixArray, /*tp_traverse*/
+  __pyx_tp_clear_3_sa_SuffixArray, /*tp_clear*/
   0, /*tp_richcompare*/
   0, /*tp_weaklistoffset*/
   0, /*tp_iter*/
   0, /*tp_iternext*/
-  __pyx_methods_8_cdec_sa_SuffixArray, /*tp_methods*/
+  __pyx_methods_3_sa_SuffixArray, /*tp_methods*/
   0, /*tp_members*/
   0, /*tp_getset*/
   0, /*tp_base*/
@@ -56977,7 +57019,7 @@ static PyTypeObject __pyx_type_8_cdec_sa_SuffixArray = {
   0, /*tp_dictoffset*/
   0, /*tp_init*/
   0, /*tp_alloc*/
-  __pyx_tp_new_8_cdec_sa_SuffixArray, /*tp_new*/
+  __pyx_tp_new_3_sa_SuffixArray, /*tp_new*/
   0, /*tp_free*/
   0, /*tp_is_gc*/
   0, /*tp_bases*/
@@ -56991,35 +57033,35 @@ static PyTypeObject __pyx_type_8_cdec_sa_SuffixArray = {
   #endif
 };
 
-static PyObject *__pyx_tp_new_8_cdec_sa_TrieNode(PyTypeObject *t, PyObject *a, PyObject *k) {
-  struct __pyx_obj_8_cdec_sa_TrieNode *p;
+static PyObject *__pyx_tp_new_3_sa_TrieNode(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
+  struct __pyx_obj_3_sa_TrieNode *p;
   PyObject *o = (*t->tp_alloc)(t, 0);
   if (!o) return 0;
-  p = ((struct __pyx_obj_8_cdec_sa_TrieNode *)o);
+  p = ((struct __pyx_obj_3_sa_TrieNode *)o);
   p->children = Py_None; Py_INCREF(Py_None);
-  if (__pyx_pw_8_cdec_sa_8TrieNode_1__cinit__(o, __pyx_empty_tuple, NULL) < 0) {
+  if (__pyx_pw_3_sa_8TrieNode_1__cinit__(o, __pyx_empty_tuple, NULL) < 0) {
     Py_DECREF(o); o = 0;
   }
   return o;
 }
 
-static void __pyx_tp_dealloc_8_cdec_sa_TrieNode(PyObject *o) {
-  struct __pyx_obj_8_cdec_sa_TrieNode *p = (struct __pyx_obj_8_cdec_sa_TrieNode *)o;
+static void __pyx_tp_dealloc_3_sa_TrieNode(PyObject *o) {
+  struct __pyx_obj_3_sa_TrieNode *p = (struct __pyx_obj_3_sa_TrieNode *)o;
   Py_XDECREF(p->children);
   (*Py_TYPE(o)->tp_free)(o);
 }
 
-static int __pyx_tp_traverse_8_cdec_sa_TrieNode(PyObject *o, visitproc v, void *a) {
+static int __pyx_tp_traverse_3_sa_TrieNode(PyObject *o, visitproc v, void *a) {
   int e;
-  struct __pyx_obj_8_cdec_sa_TrieNode *p = (struct __pyx_obj_8_cdec_sa_TrieNode *)o;
+  struct __pyx_obj_3_sa_TrieNode *p = (struct __pyx_obj_3_sa_TrieNode *)o;
   if (p->children) {
     e = (*v)(p->children, a); if (e) return e;
   }
   return 0;
 }
 
-static int __pyx_tp_clear_8_cdec_sa_TrieNode(PyObject *o) {
-  struct __pyx_obj_8_cdec_sa_TrieNode *p = (struct __pyx_obj_8_cdec_sa_TrieNode *)o;
+static int __pyx_tp_clear_3_sa_TrieNode(PyObject *o) {
+  struct __pyx_obj_3_sa_TrieNode *p = (struct __pyx_obj_3_sa_TrieNode *)o;
   PyObject* tmp;
   tmp = ((PyObject*)p->children);
   p->children = Py_None; Py_INCREF(Py_None);
@@ -57027,25 +57069,25 @@ static int __pyx_tp_clear_8_cdec_sa_TrieNode(PyObject *o) {
   return 0;
 }
 
-static PyObject *__pyx_getprop_8_cdec_sa_8TrieNode_children(PyObject *o, void *x) {
-  return __pyx_pw_8_cdec_sa_8TrieNode_8children_1__get__(o);
+static PyObject *__pyx_getprop_3_sa_8TrieNode_children(PyObject *o, CYTHON_UNUSED void *x) {
+  return __pyx_pw_3_sa_8TrieNode_8children_1__get__(o);
 }
 
-static int __pyx_setprop_8_cdec_sa_8TrieNode_children(PyObject *o, PyObject *v, void *x) {
+static int __pyx_setprop_3_sa_8TrieNode_children(PyObject *o, PyObject *v, CYTHON_UNUSED void *x) {
   if (v) {
-    return __pyx_pw_8_cdec_sa_8TrieNode_8children_3__set__(o, v);
+    return __pyx_pw_3_sa_8TrieNode_8children_3__set__(o, v);
   }
   else {
-    return __pyx_pw_8_cdec_sa_8TrieNode_8children_5__del__(o);
+    return __pyx_pw_3_sa_8TrieNode_8children_5__del__(o);
   }
 }
 
-static PyMethodDef __pyx_methods_8_cdec_sa_TrieNode[] = {
+static PyMethodDef __pyx_methods_3_sa_TrieNode[] = {
   {0, 0, 0, 0}
 };
 
-static struct PyGetSetDef __pyx_getsets_8_cdec_sa_TrieNode[] = {
-  {(char *)"children", __pyx_getprop_8_cdec_sa_8TrieNode_children, __pyx_setprop_8_cdec_sa_8TrieNode_children, 0, 0},
+static struct PyGetSetDef __pyx_getsets_3_sa_TrieNode[] = {
+  {(char *)"children", __pyx_getprop_3_sa_8TrieNode_children, __pyx_setprop_3_sa_8TrieNode_children, 0, 0},
   {0, 0, 0, 0, 0}
 };
 
@@ -57147,12 +57189,12 @@ static PyBufferProcs __pyx_tp_as_buffer_TrieNode = {
   #endif
 };
 
-static PyTypeObject __pyx_type_8_cdec_sa_TrieNode = {
+static PyTypeObject __pyx_type_3_sa_TrieNode = {
   PyVarObject_HEAD_INIT(0, 0)
-  __Pyx_NAMESTR("_cdec_sa.TrieNode"), /*tp_name*/
-  sizeof(struct __pyx_obj_8_cdec_sa_TrieNode), /*tp_basicsize*/
+  __Pyx_NAMESTR("_sa.TrieNode"), /*tp_name*/
+  sizeof(struct __pyx_obj_3_sa_TrieNode), /*tp_basicsize*/
   0, /*tp_itemsize*/
-  __pyx_tp_dealloc_8_cdec_sa_TrieNode, /*tp_dealloc*/
+  __pyx_tp_dealloc_3_sa_TrieNode, /*tp_dealloc*/
   0, /*tp_print*/
   0, /*tp_getattr*/
   0, /*tp_setattr*/
@@ -57173,15 +57215,15 @@ static PyTypeObject __pyx_type_8_cdec_sa_TrieNode = {
   &__pyx_tp_as_buffer_TrieNode, /*tp_as_buffer*/
   Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
   0, /*tp_doc*/
-  __pyx_tp_traverse_8_cdec_sa_TrieNode, /*tp_traverse*/
-  __pyx_tp_clear_8_cdec_sa_TrieNode, /*tp_clear*/
+  __pyx_tp_traverse_3_sa_TrieNode, /*tp_traverse*/
+  __pyx_tp_clear_3_sa_TrieNode, /*tp_clear*/
   0, /*tp_richcompare*/
   0, /*tp_weaklistoffset*/
   0, /*tp_iter*/
   0, /*tp_iternext*/
-  __pyx_methods_8_cdec_sa_TrieNode, /*tp_methods*/
+  __pyx_methods_3_sa_TrieNode, /*tp_methods*/
   0, /*tp_members*/
-  __pyx_getsets_8_cdec_sa_TrieNode, /*tp_getset*/
+  __pyx_getsets_3_sa_TrieNode, /*tp_getset*/
   0, /*tp_base*/
   0, /*tp_dict*/
   0, /*tp_descr_get*/
@@ -57189,7 +57231,7 @@ static PyTypeObject __pyx_type_8_cdec_sa_TrieNode = {
   0, /*tp_dictoffset*/
   0, /*tp_init*/
   0, /*tp_alloc*/
-  __pyx_tp_new_8_cdec_sa_TrieNode, /*tp_new*/
+  __pyx_tp_new_3_sa_TrieNode, /*tp_new*/
   0, /*tp_free*/
   0, /*tp_is_gc*/
   0, /*tp_bases*/
@@ -57203,32 +57245,32 @@ static PyTypeObject __pyx_type_8_cdec_sa_TrieNode = {
   #endif
 };
 
-static PyObject *__pyx_tp_new_8_cdec_sa_ExtendedTrieNode(PyTypeObject *t, PyObject *a, PyObject *k) {
-  struct __pyx_obj_8_cdec_sa_ExtendedTrieNode *p;
-  PyObject *o = __pyx_tp_new_8_cdec_sa_TrieNode(t, a, k);
+static PyObject *__pyx_tp_new_3_sa_ExtendedTrieNode(PyTypeObject *t, PyObject *a, PyObject *k) {
+  struct __pyx_obj_3_sa_ExtendedTrieNode *p;
+  PyObject *o = __pyx_tp_new_3_sa_TrieNode(t, a, k);
   if (!o) return 0;
-  p = ((struct __pyx_obj_8_cdec_sa_ExtendedTrieNode *)o);
+  p = ((struct __pyx_obj_3_sa_ExtendedTrieNode *)o);
   p->phrase = Py_None; Py_INCREF(Py_None);
   p->phrase_location = Py_None; Py_INCREF(Py_None);
   p->suffix_link = Py_None; Py_INCREF(Py_None);
-  if (__pyx_pw_8_cdec_sa_16ExtendedTrieNode_1__cinit__(o, a, k) < 0) {
+  if (__pyx_pw_3_sa_16ExtendedTrieNode_1__cinit__(o, a, k) < 0) {
     Py_DECREF(o); o = 0;
   }
   return o;
 }
 
-static void __pyx_tp_dealloc_8_cdec_sa_ExtendedTrieNode(PyObject *o) {
-  struct __pyx_obj_8_cdec_sa_ExtendedTrieNode *p = (struct __pyx_obj_8_cdec_sa_ExtendedTrieNode *)o;
+static void __pyx_tp_dealloc_3_sa_ExtendedTrieNode(PyObject *o) {
+  struct __pyx_obj_3_sa_ExtendedTrieNode *p = (struct __pyx_obj_3_sa_ExtendedTrieNode *)o;
   Py_XDECREF(p->phrase);
   Py_XDECREF(p->phrase_location);
   Py_XDECREF(p->suffix_link);
-  __pyx_tp_dealloc_8_cdec_sa_TrieNode(o);
+  __pyx_tp_dealloc_3_sa_TrieNode(o);
 }
 
-static int __pyx_tp_traverse_8_cdec_sa_ExtendedTrieNode(PyObject *o, visitproc v, void *a) {
+static int __pyx_tp_traverse_3_sa_ExtendedTrieNode(PyObject *o, visitproc v, void *a) {
   int e;
-  struct __pyx_obj_8_cdec_sa_ExtendedTrieNode *p = (struct __pyx_obj_8_cdec_sa_ExtendedTrieNode *)o;
-  e = __pyx_tp_traverse_8_cdec_sa_TrieNode(o, v, a); if (e) return e;
+  struct __pyx_obj_3_sa_ExtendedTrieNode *p = (struct __pyx_obj_3_sa_ExtendedTrieNode *)o;
+  e = __pyx_tp_traverse_3_sa_TrieNode(o, v, a); if (e) return e;
   if (p->phrase) {
     e = (*v)(p->phrase, a); if (e) return e;
   }
@@ -57241,10 +57283,10 @@ static int __pyx_tp_traverse_8_cdec_sa_ExtendedTrieNode(PyObject *o, visitproc v
   return 0;
 }
 
-static int __pyx_tp_clear_8_cdec_sa_ExtendedTrieNode(PyObject *o) {
-  struct __pyx_obj_8_cdec_sa_ExtendedTrieNode *p = (struct __pyx_obj_8_cdec_sa_ExtendedTrieNode *)o;
+static int __pyx_tp_clear_3_sa_ExtendedTrieNode(PyObject *o) {
+  struct __pyx_obj_3_sa_ExtendedTrieNode *p = (struct __pyx_obj_3_sa_ExtendedTrieNode *)o;
   PyObject* tmp;
-  __pyx_tp_clear_8_cdec_sa_TrieNode(o);
+  __pyx_tp_clear_3_sa_TrieNode(o);
   tmp = ((PyObject*)p->phrase);
   p->phrase = Py_None; Py_INCREF(Py_None);
   Py_XDECREF(tmp);
@@ -57257,53 +57299,53 @@ static int __pyx_tp_clear_8_cdec_sa_ExtendedTrieNode(PyObject *o) {
   return 0;
 }
 
-static PyObject *__pyx_getprop_8_cdec_sa_16ExtendedTrieNode_phrase(PyObject *o, void *x) {
-  return __pyx_pw_8_cdec_sa_16ExtendedTrieNode_6phrase_1__get__(o);
+static PyObject *__pyx_getprop_3_sa_16ExtendedTrieNode_phrase(PyObject *o, CYTHON_UNUSED void *x) {
+  return __pyx_pw_3_sa_16ExtendedTrieNode_6phrase_1__get__(o);
 }
 
-static int __pyx_setprop_8_cdec_sa_16ExtendedTrieNode_phrase(PyObject *o, PyObject *v, void *x) {
+static int __pyx_setprop_3_sa_16ExtendedTrieNode_phrase(PyObject *o, PyObject *v, CYTHON_UNUSED void *x) {
   if (v) {
-    return __pyx_pw_8_cdec_sa_16ExtendedTrieNode_6phrase_3__set__(o, v);
+    return __pyx_pw_3_sa_16ExtendedTrieNode_6phrase_3__set__(o, v);
   }
   else {
-    return __pyx_pw_8_cdec_sa_16ExtendedTrieNode_6phrase_5__del__(o);
+    return __pyx_pw_3_sa_16ExtendedTrieNode_6phrase_5__del__(o);
   }
 }
 
-static PyObject *__pyx_getprop_8_cdec_sa_16ExtendedTrieNode_phrase_location(PyObject *o, void *x) {
-  return __pyx_pw_8_cdec_sa_16ExtendedTrieNode_15phrase_location_1__get__(o);
+static PyObject *__pyx_getprop_3_sa_16ExtendedTrieNode_phrase_location(PyObject *o, CYTHON_UNUSED void *x) {
+  return __pyx_pw_3_sa_16ExtendedTrieNode_15phrase_location_1__get__(o);
 }
 
-static int __pyx_setprop_8_cdec_sa_16ExtendedTrieNode_phrase_location(PyObject *o, PyObject *v, void *x) {
+static int __pyx_setprop_3_sa_16ExtendedTrieNode_phrase_location(PyObject *o, PyObject *v, CYTHON_UNUSED void *x) {
   if (v) {
-    return __pyx_pw_8_cdec_sa_16ExtendedTrieNode_15phrase_location_3__set__(o, v);
+    return __pyx_pw_3_sa_16ExtendedTrieNode_15phrase_location_3__set__(o, v);
   }
   else {
-    return __pyx_pw_8_cdec_sa_16ExtendedTrieNode_15phrase_location_5__del__(o);
+    return __pyx_pw_3_sa_16ExtendedTrieNode_15phrase_location_5__del__(o);
   }
 }
 
-static PyObject *__pyx_getprop_8_cdec_sa_16ExtendedTrieNode_suffix_link(PyObject *o, void *x) {
-  return __pyx_pw_8_cdec_sa_16ExtendedTrieNode_11suffix_link_1__get__(o);
+static PyObject *__pyx_getprop_3_sa_16ExtendedTrieNode_suffix_link(PyObject *o, CYTHON_UNUSED void *x) {
+  return __pyx_pw_3_sa_16ExtendedTrieNode_11suffix_link_1__get__(o);
 }
 
-static int __pyx_setprop_8_cdec_sa_16ExtendedTrieNode_suffix_link(PyObject *o, PyObject *v, void *x) {
+static int __pyx_setprop_3_sa_16ExtendedTrieNode_suffix_link(PyObject *o, PyObject *v, CYTHON_UNUSED void *x) {
   if (v) {
-    return __pyx_pw_8_cdec_sa_16ExtendedTrieNode_11suffix_link_3__set__(o, v);
+    return __pyx_pw_3_sa_16ExtendedTrieNode_11suffix_link_3__set__(o, v);
   }
   else {
-    return __pyx_pw_8_cdec_sa_16ExtendedTrieNode_11suffix_link_5__del__(o);
+    return __pyx_pw_3_sa_16ExtendedTrieNode_11suffix_link_5__del__(o);
   }
 }
 
-static PyMethodDef __pyx_methods_8_cdec_sa_ExtendedTrieNode[] = {
+static PyMethodDef __pyx_methods_3_sa_ExtendedTrieNode[] = {
   {0, 0, 0, 0}
 };
 
-static struct PyGetSetDef __pyx_getsets_8_cdec_sa_ExtendedTrieNode[] = {
-  {(char *)"phrase", __pyx_getprop_8_cdec_sa_16ExtendedTrieNode_phrase, __pyx_setprop_8_cdec_sa_16ExtendedTrieNode_phrase, 0, 0},
-  {(char *)"phrase_location", __pyx_getprop_8_cdec_sa_16ExtendedTrieNode_phrase_location, __pyx_setprop_8_cdec_sa_16ExtendedTrieNode_phrase_location, 0, 0},
-  {(char *)"suffix_link", __pyx_getprop_8_cdec_sa_16ExtendedTrieNode_suffix_link, __pyx_setprop_8_cdec_sa_16ExtendedTrieNode_suffix_link, 0, 0},
+static struct PyGetSetDef __pyx_getsets_3_sa_ExtendedTrieNode[] = {
+  {(char *)"phrase", __pyx_getprop_3_sa_16ExtendedTrieNode_phrase, __pyx_setprop_3_sa_16ExtendedTrieNode_phrase, 0, 0},
+  {(char *)"phrase_location", __pyx_getprop_3_sa_16ExtendedTrieNode_phrase_location, __pyx_setprop_3_sa_16ExtendedTrieNode_phrase_location, 0, 0},
+  {(char *)"suffix_link", __pyx_getprop_3_sa_16ExtendedTrieNode_suffix_link, __pyx_setprop_3_sa_16ExtendedTrieNode_suffix_link, 0, 0},
   {0, 0, 0, 0, 0}
 };
 
@@ -57405,12 +57447,12 @@ static PyBufferProcs __pyx_tp_as_buffer_ExtendedTrieNode = {
   #endif
 };
 
-static PyTypeObject __pyx_type_8_cdec_sa_ExtendedTrieNode = {
+static PyTypeObject __pyx_type_3_sa_ExtendedTrieNode = {
   PyVarObject_HEAD_INIT(0, 0)
-  __Pyx_NAMESTR("_cdec_sa.ExtendedTrieNode"), /*tp_name*/
-  sizeof(struct __pyx_obj_8_cdec_sa_ExtendedTrieNode), /*tp_basicsize*/
+  __Pyx_NAMESTR("_sa.ExtendedTrieNode"), /*tp_name*/
+  sizeof(struct __pyx_obj_3_sa_ExtendedTrieNode), /*tp_basicsize*/
   0, /*tp_itemsize*/
-  __pyx_tp_dealloc_8_cdec_sa_ExtendedTrieNode, /*tp_dealloc*/
+  __pyx_tp_dealloc_3_sa_ExtendedTrieNode, /*tp_dealloc*/
   0, /*tp_print*/
   0, /*tp_getattr*/
   0, /*tp_setattr*/
@@ -57431,15 +57473,15 @@ static PyTypeObject __pyx_type_8_cdec_sa_ExtendedTrieNode = {
   &__pyx_tp_as_buffer_ExtendedTrieNode, /*tp_as_buffer*/
   Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
   0, /*tp_doc*/
-  __pyx_tp_traverse_8_cdec_sa_ExtendedTrieNode, /*tp_traverse*/
-  __pyx_tp_clear_8_cdec_sa_ExtendedTrieNode, /*tp_clear*/
+  __pyx_tp_traverse_3_sa_ExtendedTrieNode, /*tp_traverse*/
+  __pyx_tp_clear_3_sa_ExtendedTrieNode, /*tp_clear*/
   0, /*tp_richcompare*/
   0, /*tp_weaklistoffset*/
   0, /*tp_iter*/
   0, /*tp_iternext*/
-  __pyx_methods_8_cdec_sa_ExtendedTrieNode, /*tp_methods*/
+  __pyx_methods_3_sa_ExtendedTrieNode, /*tp_methods*/
   0, /*tp_members*/
-  __pyx_getsets_8_cdec_sa_ExtendedTrieNode, /*tp_getset*/
+  __pyx_getsets_3_sa_ExtendedTrieNode, /*tp_getset*/
   0, /*tp_base*/
   0, /*tp_dict*/
   0, /*tp_descr_get*/
@@ -57447,7 +57489,7 @@ static PyTypeObject __pyx_type_8_cdec_sa_ExtendedTrieNode = {
   0, /*tp_dictoffset*/
   0, /*tp_init*/
   0, /*tp_alloc*/
-  __pyx_tp_new_8_cdec_sa_ExtendedTrieNode, /*tp_new*/
+  __pyx_tp_new_3_sa_ExtendedTrieNode, /*tp_new*/
   0, /*tp_free*/
   0, /*tp_is_gc*/
   0, /*tp_bases*/
@@ -57461,35 +57503,35 @@ static PyTypeObject __pyx_type_8_cdec_sa_ExtendedTrieNode = {
   #endif
 };
 
-static PyObject *__pyx_tp_new_8_cdec_sa_TrieTable(PyTypeObject *t, PyObject *a, PyObject *k) {
-  struct __pyx_obj_8_cdec_sa_TrieTable *p;
+static PyObject *__pyx_tp_new_3_sa_TrieTable(PyTypeObject *t, PyObject *a, PyObject *k) {
+  struct __pyx_obj_3_sa_TrieTable *p;
   PyObject *o = (*t->tp_alloc)(t, 0);
   if (!o) return 0;
-  p = ((struct __pyx_obj_8_cdec_sa_TrieTable *)o);
+  p = ((struct __pyx_obj_3_sa_TrieTable *)o);
   p->root = Py_None; Py_INCREF(Py_None);
-  if (__pyx_pw_8_cdec_sa_9TrieTable_1__cinit__(o, a, k) < 0) {
+  if (__pyx_pw_3_sa_9TrieTable_1__cinit__(o, a, k) < 0) {
     Py_DECREF(o); o = 0;
   }
   return o;
 }
 
-static void __pyx_tp_dealloc_8_cdec_sa_TrieTable(PyObject *o) {
-  struct __pyx_obj_8_cdec_sa_TrieTable *p = (struct __pyx_obj_8_cdec_sa_TrieTable *)o;
+static void __pyx_tp_dealloc_3_sa_TrieTable(PyObject *o) {
+  struct __pyx_obj_3_sa_TrieTable *p = (struct __pyx_obj_3_sa_TrieTable *)o;
   Py_XDECREF(p->root);
   (*Py_TYPE(o)->tp_free)(o);
 }
 
-static int __pyx_tp_traverse_8_cdec_sa_TrieTable(PyObject *o, visitproc v, void *a) {
+static int __pyx_tp_traverse_3_sa_TrieTable(PyObject *o, visitproc v, void *a) {
   int e;
-  struct __pyx_obj_8_cdec_sa_TrieTable *p = (struct __pyx_obj_8_cdec_sa_TrieTable *)o;
+  struct __pyx_obj_3_sa_TrieTable *p = (struct __pyx_obj_3_sa_TrieTable *)o;
   if (p->root) {
     e = (*v)(p->root, a); if (e) return e;
   }
   return 0;
 }
 
-static int __pyx_tp_clear_8_cdec_sa_TrieTable(PyObject *o) {
-  struct __pyx_obj_8_cdec_sa_TrieTable *p = (struct __pyx_obj_8_cdec_sa_TrieTable *)o;
+static int __pyx_tp_clear_3_sa_TrieTable(PyObject *o) {
+  struct __pyx_obj_3_sa_TrieTable *p = (struct __pyx_obj_3_sa_TrieTable *)o;
   PyObject* tmp;
   tmp = ((PyObject*)p->root);
   p->root = Py_None; Py_INCREF(Py_None);
@@ -57497,13 +57539,13 @@ static int __pyx_tp_clear_8_cdec_sa_TrieTable(PyObject *o) {
   return 0;
 }
 
-static PyObject *__pyx_getprop_8_cdec_sa_9TrieTable_extended(PyObject *o, void *x) {
-  return __pyx_pw_8_cdec_sa_9TrieTable_8extended_1__get__(o);
+static PyObject *__pyx_getprop_3_sa_9TrieTable_extended(PyObject *o, CYTHON_UNUSED void *x) {
+  return __pyx_pw_3_sa_9TrieTable_8extended_1__get__(o);
 }
 
-static int __pyx_setprop_8_cdec_sa_9TrieTable_extended(PyObject *o, PyObject *v, void *x) {
+static int __pyx_setprop_3_sa_9TrieTable_extended(PyObject *o, PyObject *v, CYTHON_UNUSED void *x) {
   if (v) {
-    return __pyx_pw_8_cdec_sa_9TrieTable_8extended_3__set__(o, v);
+    return __pyx_pw_3_sa_9TrieTable_8extended_3__set__(o, v);
   }
   else {
     PyErr_SetString(PyExc_NotImplementedError, "__del__");
@@ -57511,13 +57553,13 @@ static int __pyx_setprop_8_cdec_sa_9TrieTable_extended(PyObject *o, PyObject *v,
   }
 }
 
-static PyObject *__pyx_getprop_8_cdec_sa_9TrieTable_count(PyObject *o, void *x) {
-  return __pyx_pw_8_cdec_sa_9TrieTable_5count_1__get__(o);
+static PyObject *__pyx_getprop_3_sa_9TrieTable_count(PyObject *o, CYTHON_UNUSED void *x) {
+  return __pyx_pw_3_sa_9TrieTable_5count_1__get__(o);
 }
 
-static int __pyx_setprop_8_cdec_sa_9TrieTable_count(PyObject *o, PyObject *v, void *x) {
+static int __pyx_setprop_3_sa_9TrieTable_count(PyObject *o, PyObject *v, CYTHON_UNUSED void *x) {
   if (v) {
-    return __pyx_pw_8_cdec_sa_9TrieTable_5count_3__set__(o, v);
+    return __pyx_pw_3_sa_9TrieTable_5count_3__set__(o, v);
   }
   else {
     PyErr_SetString(PyExc_NotImplementedError, "__del__");
@@ -57525,27 +57567,27 @@ static int __pyx_setprop_8_cdec_sa_9TrieTable_count(PyObject *o, PyObject *v, vo
   }
 }
 
-static PyObject *__pyx_getprop_8_cdec_sa_9TrieTable_root(PyObject *o, void *x) {
-  return __pyx_pw_8_cdec_sa_9TrieTable_4root_1__get__(o);
+static PyObject *__pyx_getprop_3_sa_9TrieTable_root(PyObject *o, CYTHON_UNUSED void *x) {
+  return __pyx_pw_3_sa_9TrieTable_4root_1__get__(o);
 }
 
-static int __pyx_setprop_8_cdec_sa_9TrieTable_root(PyObject *o, PyObject *v, void *x) {
+static int __pyx_setprop_3_sa_9TrieTable_root(PyObject *o, PyObject *v, CYTHON_UNUSED void *x) {
   if (v) {
-    return __pyx_pw_8_cdec_sa_9TrieTable_4root_3__set__(o, v);
+    return __pyx_pw_3_sa_9TrieTable_4root_3__set__(o, v);
   }
   else {
-    return __pyx_pw_8_cdec_sa_9TrieTable_4root_5__del__(o);
+    return __pyx_pw_3_sa_9TrieTable_4root_5__del__(o);
   }
 }
 
-static PyMethodDef __pyx_methods_8_cdec_sa_TrieTable[] = {
+static PyMethodDef __pyx_methods_3_sa_TrieTable[] = {
   {0, 0, 0, 0}
 };
 
-static struct PyGetSetDef __pyx_getsets_8_cdec_sa_TrieTable[] = {
-  {(char *)"extended", __pyx_getprop_8_cdec_sa_9TrieTable_extended, __pyx_setprop_8_cdec_sa_9TrieTable_extended, 0, 0},
-  {(char *)"count", __pyx_getprop_8_cdec_sa_9TrieTable_count, __pyx_setprop_8_cdec_sa_9TrieTable_count, 0, 0},
-  {(char *)"root", __pyx_getprop_8_cdec_sa_9TrieTable_root, __pyx_setprop_8_cdec_sa_9TrieTable_root, 0, 0},
+static struct PyGetSetDef __pyx_getsets_3_sa_TrieTable[] = {
+  {(char *)"extended", __pyx_getprop_3_sa_9TrieTable_extended, __pyx_setprop_3_sa_9TrieTable_extended, 0, 0},
+  {(char *)"count", __pyx_getprop_3_sa_9TrieTable_count, __pyx_setprop_3_sa_9TrieTable_count, 0, 0},
+  {(char *)"root", __pyx_getprop_3_sa_9TrieTable_root, __pyx_setprop_3_sa_9TrieTable_root, 0, 0},
   {0, 0, 0, 0, 0}
 };
 
@@ -57647,12 +57689,12 @@ static PyBufferProcs __pyx_tp_as_buffer_TrieTable = {
   #endif
 };
 
-static PyTypeObject __pyx_type_8_cdec_sa_TrieTable = {
+static PyTypeObject __pyx_type_3_sa_TrieTable = {
   PyVarObject_HEAD_INIT(0, 0)
-  __Pyx_NAMESTR("_cdec_sa.TrieTable"), /*tp_name*/
-  sizeof(struct __pyx_obj_8_cdec_sa_TrieTable), /*tp_basicsize*/
+  __Pyx_NAMESTR("_sa.TrieTable"), /*tp_name*/
+  sizeof(struct __pyx_obj_3_sa_TrieTable), /*tp_basicsize*/
   0, /*tp_itemsize*/
-  __pyx_tp_dealloc_8_cdec_sa_TrieTable, /*tp_dealloc*/
+  __pyx_tp_dealloc_3_sa_TrieTable, /*tp_dealloc*/
   0, /*tp_print*/
   0, /*tp_getattr*/
   0, /*tp_setattr*/
@@ -57673,15 +57715,15 @@ static PyTypeObject __pyx_type_8_cdec_sa_TrieTable = {
   &__pyx_tp_as_buffer_TrieTable, /*tp_as_buffer*/
   Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
   0, /*tp_doc*/
-  __pyx_tp_traverse_8_cdec_sa_TrieTable, /*tp_traverse*/
-  __pyx_tp_clear_8_cdec_sa_TrieTable, /*tp_clear*/
+  __pyx_tp_traverse_3_sa_TrieTable, /*tp_traverse*/
+  __pyx_tp_clear_3_sa_TrieTable, /*tp_clear*/
   0, /*tp_richcompare*/
   0, /*tp_weaklistoffset*/
   0, /*tp_iter*/
   0, /*tp_iternext*/
-  __pyx_methods_8_cdec_sa_TrieTable, /*tp_methods*/
+  __pyx_methods_3_sa_TrieTable, /*tp_methods*/
   0, /*tp_members*/
-  __pyx_getsets_8_cdec_sa_TrieTable, /*tp_getset*/
+  __pyx_getsets_3_sa_TrieTable, /*tp_getset*/
   0, /*tp_base*/
   0, /*tp_dict*/
   0, /*tp_descr_get*/
@@ -57689,7 +57731,7 @@ static PyTypeObject __pyx_type_8_cdec_sa_TrieTable = {
   0, /*tp_dictoffset*/
   0, /*tp_init*/
   0, /*tp_alloc*/
-  __pyx_tp_new_8_cdec_sa_TrieTable, /*tp_new*/
+  __pyx_tp_new_3_sa_TrieTable, /*tp_new*/
   0, /*tp_free*/
   0, /*tp_is_gc*/
   0, /*tp_bases*/
@@ -57702,46 +57744,46 @@ static PyTypeObject __pyx_type_8_cdec_sa_TrieTable = {
   0, /*tp_version_tag*/
   #endif
 };
-static struct __pyx_vtabstruct_8_cdec_sa_PhraseLocation __pyx_vtable_8_cdec_sa_PhraseLocation;
+static struct __pyx_vtabstruct_3_sa_PhraseLocation __pyx_vtable_3_sa_PhraseLocation;
 
-static PyObject *__pyx_tp_new_8_cdec_sa_PhraseLocation(PyTypeObject *t, PyObject *a, PyObject *k) {
-  struct __pyx_obj_8_cdec_sa_PhraseLocation *p;
+static PyObject *__pyx_tp_new_3_sa_PhraseLocation(PyTypeObject *t, PyObject *a, PyObject *k) {
+  struct __pyx_obj_3_sa_PhraseLocation *p;
   PyObject *o = (*t->tp_alloc)(t, 0);
   if (!o) return 0;
-  p = ((struct __pyx_obj_8_cdec_sa_PhraseLocation *)o);
-  p->__pyx_vtab = __pyx_vtabptr_8_cdec_sa_PhraseLocation;
-  p->arr = ((struct __pyx_obj_8_cdec_sa_IntList *)Py_None); Py_INCREF(Py_None);
-  if (__pyx_pw_8_cdec_sa_14PhraseLocation_1__cinit__(o, a, k) < 0) {
+  p = ((struct __pyx_obj_3_sa_PhraseLocation *)o);
+  p->__pyx_vtab = __pyx_vtabptr_3_sa_PhraseLocation;
+  p->arr = ((struct __pyx_obj_3_sa_IntList *)Py_None); Py_INCREF(Py_None);
+  if (__pyx_pw_3_sa_14PhraseLocation_1__cinit__(o, a, k) < 0) {
     Py_DECREF(o); o = 0;
   }
   return o;
 }
 
-static void __pyx_tp_dealloc_8_cdec_sa_PhraseLocation(PyObject *o) {
-  struct __pyx_obj_8_cdec_sa_PhraseLocation *p = (struct __pyx_obj_8_cdec_sa_PhraseLocation *)o;
+static void __pyx_tp_dealloc_3_sa_PhraseLocation(PyObject *o) {
+  struct __pyx_obj_3_sa_PhraseLocation *p = (struct __pyx_obj_3_sa_PhraseLocation *)o;
   Py_XDECREF(((PyObject *)p->arr));
   (*Py_TYPE(o)->tp_free)(o);
 }
 
-static int __pyx_tp_traverse_8_cdec_sa_PhraseLocation(PyObject *o, visitproc v, void *a) {
+static int __pyx_tp_traverse_3_sa_PhraseLocation(PyObject *o, visitproc v, void *a) {
   int e;
-  struct __pyx_obj_8_cdec_sa_PhraseLocation *p = (struct __pyx_obj_8_cdec_sa_PhraseLocation *)o;
+  struct __pyx_obj_3_sa_PhraseLocation *p = (struct __pyx_obj_3_sa_PhraseLocation *)o;
   if (p->arr) {
     e = (*v)(((PyObject*)p->arr), a); if (e) return e;
   }
   return 0;
 }
 
-static int __pyx_tp_clear_8_cdec_sa_PhraseLocation(PyObject *o) {
-  struct __pyx_obj_8_cdec_sa_PhraseLocation *p = (struct __pyx_obj_8_cdec_sa_PhraseLocation *)o;
+static int __pyx_tp_clear_3_sa_PhraseLocation(PyObject *o) {
+  struct __pyx_obj_3_sa_PhraseLocation *p = (struct __pyx_obj_3_sa_PhraseLocation *)o;
   PyObject* tmp;
   tmp = ((PyObject*)p->arr);
-  p->arr = ((struct __pyx_obj_8_cdec_sa_IntList *)Py_None); Py_INCREF(Py_None);
+  p->arr = ((struct __pyx_obj_3_sa_IntList *)Py_None); Py_INCREF(Py_None);
   Py_XDECREF(tmp);
   return 0;
 }
 
-static PyMethodDef __pyx_methods_8_cdec_sa_PhraseLocation[] = {
+static PyMethodDef __pyx_methods_3_sa_PhraseLocation[] = {
   {0, 0, 0, 0}
 };
 
@@ -57843,12 +57885,12 @@ static PyBufferProcs __pyx_tp_as_buffer_PhraseLocation = {
   #endif
 };
 
-static PyTypeObject __pyx_type_8_cdec_sa_PhraseLocation = {
+static PyTypeObject __pyx_type_3_sa_PhraseLocation = {
   PyVarObject_HEAD_INIT(0, 0)
-  __Pyx_NAMESTR("_cdec_sa.PhraseLocation"), /*tp_name*/
-  sizeof(struct __pyx_obj_8_cdec_sa_PhraseLocation), /*tp_basicsize*/
+  __Pyx_NAMESTR("_sa.PhraseLocation"), /*tp_name*/
+  sizeof(struct __pyx_obj_3_sa_PhraseLocation), /*tp_basicsize*/
   0, /*tp_itemsize*/
-  __pyx_tp_dealloc_8_cdec_sa_PhraseLocation, /*tp_dealloc*/
+  __pyx_tp_dealloc_3_sa_PhraseLocation, /*tp_dealloc*/
   0, /*tp_print*/
   0, /*tp_getattr*/
   0, /*tp_setattr*/
@@ -57869,13 +57911,13 @@ static PyTypeObject __pyx_type_8_cdec_sa_PhraseLocation = {
   &__pyx_tp_as_buffer_PhraseLocation, /*tp_as_buffer*/
   Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
   0, /*tp_doc*/
-  __pyx_tp_traverse_8_cdec_sa_PhraseLocation, /*tp_traverse*/
-  __pyx_tp_clear_8_cdec_sa_PhraseLocation, /*tp_clear*/
+  __pyx_tp_traverse_3_sa_PhraseLocation, /*tp_traverse*/
+  __pyx_tp_clear_3_sa_PhraseLocation, /*tp_clear*/
   0, /*tp_richcompare*/
   0, /*tp_weaklistoffset*/
   0, /*tp_iter*/
   0, /*tp_iternext*/
-  __pyx_methods_8_cdec_sa_PhraseLocation, /*tp_methods*/
+  __pyx_methods_3_sa_PhraseLocation, /*tp_methods*/
   0, /*tp_members*/
   0, /*tp_getset*/
   0, /*tp_base*/
@@ -57885,7 +57927,7 @@ static PyTypeObject __pyx_type_8_cdec_sa_PhraseLocation = {
   0, /*tp_dictoffset*/
   0, /*tp_init*/
   0, /*tp_alloc*/
-  __pyx_tp_new_8_cdec_sa_PhraseLocation, /*tp_new*/
+  __pyx_tp_new_3_sa_PhraseLocation, /*tp_new*/
   0, /*tp_free*/
   0, /*tp_is_gc*/
   0, /*tp_bases*/
@@ -57899,44 +57941,44 @@ static PyTypeObject __pyx_type_8_cdec_sa_PhraseLocation = {
   #endif
 };
 
-static PyObject *__pyx_tp_new_8_cdec_sa_Sampler(PyTypeObject *t, PyObject *a, PyObject *k) {
-  struct __pyx_obj_8_cdec_sa_Sampler *p;
+static PyObject *__pyx_tp_new_3_sa_Sampler(PyTypeObject *t, PyObject *a, PyObject *k) {
+  struct __pyx_obj_3_sa_Sampler *p;
   PyObject *o = (*t->tp_alloc)(t, 0);
   if (!o) return 0;
-  p = ((struct __pyx_obj_8_cdec_sa_Sampler *)o);
-  p->sa = ((struct __pyx_obj_8_cdec_sa_IntList *)Py_None); Py_INCREF(Py_None);
-  if (__pyx_pw_8_cdec_sa_7Sampler_1__cinit__(o, a, k) < 0) {
+  p = ((struct __pyx_obj_3_sa_Sampler *)o);
+  p->sa = ((struct __pyx_obj_3_sa_IntList *)Py_None); Py_INCREF(Py_None);
+  if (__pyx_pw_3_sa_7Sampler_1__cinit__(o, a, k) < 0) {
     Py_DECREF(o); o = 0;
   }
   return o;
 }
 
-static void __pyx_tp_dealloc_8_cdec_sa_Sampler(PyObject *o) {
-  struct __pyx_obj_8_cdec_sa_Sampler *p = (struct __pyx_obj_8_cdec_sa_Sampler *)o;
+static void __pyx_tp_dealloc_3_sa_Sampler(PyObject *o) {
+  struct __pyx_obj_3_sa_Sampler *p = (struct __pyx_obj_3_sa_Sampler *)o;
   Py_XDECREF(((PyObject *)p->sa));
   (*Py_TYPE(o)->tp_free)(o);
 }
 
-static int __pyx_tp_traverse_8_cdec_sa_Sampler(PyObject *o, visitproc v, void *a) {
+static int __pyx_tp_traverse_3_sa_Sampler(PyObject *o, visitproc v, void *a) {
   int e;
-  struct __pyx_obj_8_cdec_sa_Sampler *p = (struct __pyx_obj_8_cdec_sa_Sampler *)o;
+  struct __pyx_obj_3_sa_Sampler *p = (struct __pyx_obj_3_sa_Sampler *)o;
   if (p->sa) {
     e = (*v)(((PyObject*)p->sa), a); if (e) return e;
   }
   return 0;
 }
 
-static int __pyx_tp_clear_8_cdec_sa_Sampler(PyObject *o) {
-  struct __pyx_obj_8_cdec_sa_Sampler *p = (struct __pyx_obj_8_cdec_sa_Sampler *)o;
+static int __pyx_tp_clear_3_sa_Sampler(PyObject *o) {
+  struct __pyx_obj_3_sa_Sampler *p = (struct __pyx_obj_3_sa_Sampler *)o;
   PyObject* tmp;
   tmp = ((PyObject*)p->sa);
-  p->sa = ((struct __pyx_obj_8_cdec_sa_IntList *)Py_None); Py_INCREF(Py_None);
+  p->sa = ((struct __pyx_obj_3_sa_IntList *)Py_None); Py_INCREF(Py_None);
   Py_XDECREF(tmp);
   return 0;
 }
 
-static PyMethodDef __pyx_methods_8_cdec_sa_Sampler[] = {
-  {__Pyx_NAMESTR("sample"), (PyCFunction)__pyx_pw_8_cdec_sa_7Sampler_3sample, METH_O, __Pyx_DOCSTR(__pyx_doc_8_cdec_sa_7Sampler_2sample)},
+static PyMethodDef __pyx_methods_3_sa_Sampler[] = {
+  {__Pyx_NAMESTR("sample"), (PyCFunction)__pyx_pw_3_sa_7Sampler_3sample, METH_O, __Pyx_DOCSTR(__pyx_doc_3_sa_7Sampler_2sample)},
   {0, 0, 0, 0}
 };
 
@@ -58038,12 +58080,12 @@ static PyBufferProcs __pyx_tp_as_buffer_Sampler = {
   #endif
 };
 
-static PyTypeObject __pyx_type_8_cdec_sa_Sampler = {
+static PyTypeObject __pyx_type_3_sa_Sampler = {
   PyVarObject_HEAD_INIT(0, 0)
-  __Pyx_NAMESTR("_cdec_sa.Sampler"), /*tp_name*/
-  sizeof(struct __pyx_obj_8_cdec_sa_Sampler), /*tp_basicsize*/
+  __Pyx_NAMESTR("_sa.Sampler"), /*tp_name*/
+  sizeof(struct __pyx_obj_3_sa_Sampler), /*tp_basicsize*/
   0, /*tp_itemsize*/
-  __pyx_tp_dealloc_8_cdec_sa_Sampler, /*tp_dealloc*/
+  __pyx_tp_dealloc_3_sa_Sampler, /*tp_dealloc*/
   0, /*tp_print*/
   0, /*tp_getattr*/
   0, /*tp_setattr*/
@@ -58064,13 +58106,13 @@ static PyTypeObject __pyx_type_8_cdec_sa_Sampler = {
   &__pyx_tp_as_buffer_Sampler, /*tp_as_buffer*/
   Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
   __Pyx_DOCSTR("A Sampler implements a logic for choosing\n    samples from a population range"), /*tp_doc*/
-  __pyx_tp_traverse_8_cdec_sa_Sampler, /*tp_traverse*/
-  __pyx_tp_clear_8_cdec_sa_Sampler, /*tp_clear*/
+  __pyx_tp_traverse_3_sa_Sampler, /*tp_traverse*/
+  __pyx_tp_clear_3_sa_Sampler, /*tp_clear*/
   0, /*tp_richcompare*/
   0, /*tp_weaklistoffset*/
   0, /*tp_iter*/
   0, /*tp_iternext*/
-  __pyx_methods_8_cdec_sa_Sampler, /*tp_methods*/
+  __pyx_methods_3_sa_Sampler, /*tp_methods*/
   0, /*tp_members*/
   0, /*tp_getset*/
   0, /*tp_base*/
@@ -58080,7 +58122,7 @@ static PyTypeObject __pyx_type_8_cdec_sa_Sampler = {
   0, /*tp_dictoffset*/
   0, /*tp_init*/
   0, /*tp_alloc*/
-  __pyx_tp_new_8_cdec_sa_Sampler, /*tp_new*/
+  __pyx_tp_new_3_sa_Sampler, /*tp_new*/
   0, /*tp_free*/
   0, /*tp_is_gc*/
   0, /*tp_bases*/
@@ -58093,37 +58135,37 @@ static PyTypeObject __pyx_type_8_cdec_sa_Sampler = {
   0, /*tp_version_tag*/
   #endif
 };
-static struct __pyx_vtabstruct_8_cdec_sa_HieroCachingRuleFactory __pyx_vtable_8_cdec_sa_HieroCachingRuleFactory;
+static struct __pyx_vtabstruct_3_sa_HieroCachingRuleFactory __pyx_vtable_3_sa_HieroCachingRuleFactory;
 
-static PyObject *__pyx_tp_new_8_cdec_sa_HieroCachingRuleFactory(PyTypeObject *t, PyObject *a, PyObject *k) {
-  struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *p;
+static PyObject *__pyx_tp_new_3_sa_HieroCachingRuleFactory(PyTypeObject *t, PyObject *a, PyObject *k) {
+  struct __pyx_obj_3_sa_HieroCachingRuleFactory *p;
   PyObject *o = (*t->tp_alloc)(t, 0);
   if (!o) return 0;
-  p = ((struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *)o);
-  p->__pyx_vtab = __pyx_vtabptr_8_cdec_sa_HieroCachingRuleFactory;
-  p->rules = ((struct __pyx_obj_8_cdec_sa_TrieTable *)Py_None); Py_INCREF(Py_None);
-  p->sampler = ((struct __pyx_obj_8_cdec_sa_Sampler *)Py_None); Py_INCREF(Py_None);
+  p = ((struct __pyx_obj_3_sa_HieroCachingRuleFactory *)o);
+  p->__pyx_vtab = __pyx_vtabptr_3_sa_HieroCachingRuleFactory;
+  p->rules = ((struct __pyx_obj_3_sa_TrieTable *)Py_None); Py_INCREF(Py_None);
+  p->sampler = ((struct __pyx_obj_3_sa_Sampler *)Py_None); Py_INCREF(Py_None);
   p->precomputed_index = Py_None; Py_INCREF(Py_None);
   p->precomputed_collocations = Py_None; Py_INCREF(Py_None);
   p->precompute_file = Py_None; Py_INCREF(Py_None);
   p->max_rank = Py_None; Py_INCREF(Py_None);
   p->prev_norm_prefix = Py_None; Py_INCREF(Py_None);
-  p->fsa = ((struct __pyx_obj_8_cdec_sa_SuffixArray *)Py_None); Py_INCREF(Py_None);
-  p->fda = ((struct __pyx_obj_8_cdec_sa_DataArray *)Py_None); Py_INCREF(Py_None);
-  p->eda = ((struct __pyx_obj_8_cdec_sa_DataArray *)Py_None); Py_INCREF(Py_None);
-  p->alignment = ((struct __pyx_obj_8_cdec_sa_Alignment *)Py_None); Py_INCREF(Py_None);
-  p->eid2symid = ((struct __pyx_obj_8_cdec_sa_IntList *)Py_None); Py_INCREF(Py_None);
-  p->fid2symid = ((struct __pyx_obj_8_cdec_sa_IntList *)Py_None); Py_INCREF(Py_None);
-  p->findexes = ((struct __pyx_obj_8_cdec_sa_IntList *)Py_None); Py_INCREF(Py_None);
-  p->findexes1 = ((struct __pyx_obj_8_cdec_sa_IntList *)Py_None); Py_INCREF(Py_None);
-  if (__pyx_pw_8_cdec_sa_23HieroCachingRuleFactory_1__cinit__(o, a, k) < 0) {
+  p->fsa = ((struct __pyx_obj_3_sa_SuffixArray *)Py_None); Py_INCREF(Py_None);
+  p->fda = ((struct __pyx_obj_3_sa_DataArray *)Py_None); Py_INCREF(Py_None);
+  p->eda = ((struct __pyx_obj_3_sa_DataArray *)Py_None); Py_INCREF(Py_None);
+  p->alignment = ((struct __pyx_obj_3_sa_Alignment *)Py_None); Py_INCREF(Py_None);
+  p->eid2symid = ((struct __pyx_obj_3_sa_IntList *)Py_None); Py_INCREF(Py_None);
+  p->fid2symid = ((struct __pyx_obj_3_sa_IntList *)Py_None); Py_INCREF(Py_None);
+  p->findexes = ((struct __pyx_obj_3_sa_IntList *)Py_None); Py_INCREF(Py_None);
+  p->findexes1 = ((struct __pyx_obj_3_sa_IntList *)Py_None); Py_INCREF(Py_None);
+  if (__pyx_pw_3_sa_23HieroCachingRuleFactory_1__cinit__(o, a, k) < 0) {
     Py_DECREF(o); o = 0;
   }
   return o;
 }
 
-static void __pyx_tp_dealloc_8_cdec_sa_HieroCachingRuleFactory(PyObject *o) {
-  struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *p = (struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *)o;
+static void __pyx_tp_dealloc_3_sa_HieroCachingRuleFactory(PyObject *o) {
+  struct __pyx_obj_3_sa_HieroCachingRuleFactory *p = (struct __pyx_obj_3_sa_HieroCachingRuleFactory *)o;
   Py_XDECREF(((PyObject *)p->rules));
   Py_XDECREF(((PyObject *)p->sampler));
   Py_XDECREF(p->precomputed_index);
@@ -58142,9 +58184,9 @@ static void __pyx_tp_dealloc_8_cdec_sa_HieroCachingRuleFactory(PyObject *o) {
   (*Py_TYPE(o)->tp_free)(o);
 }
 
-static int __pyx_tp_traverse_8_cdec_sa_HieroCachingRuleFactory(PyObject *o, visitproc v, void *a) {
+static int __pyx_tp_traverse_3_sa_HieroCachingRuleFactory(PyObject *o, visitproc v, void *a) {
   int e;
-  struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *p = (struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *)o;
+  struct __pyx_obj_3_sa_HieroCachingRuleFactory *p = (struct __pyx_obj_3_sa_HieroCachingRuleFactory *)o;
   if (p->rules) {
     e = (*v)(((PyObject*)p->rules), a); if (e) return e;
   }
@@ -58193,14 +58235,14 @@ static int __pyx_tp_traverse_8_cdec_sa_HieroCachingRuleFactory(PyObject *o, visi
   return 0;
 }
 
-static int __pyx_tp_clear_8_cdec_sa_HieroCachingRuleFactory(PyObject *o) {
-  struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *p = (struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *)o;
+static int __pyx_tp_clear_3_sa_HieroCachingRuleFactory(PyObject *o) {
+  struct __pyx_obj_3_sa_HieroCachingRuleFactory *p = (struct __pyx_obj_3_sa_HieroCachingRuleFactory *)o;
   PyObject* tmp;
   tmp = ((PyObject*)p->rules);
-  p->rules = ((struct __pyx_obj_8_cdec_sa_TrieTable *)Py_None); Py_INCREF(Py_None);
+  p->rules = ((struct __pyx_obj_3_sa_TrieTable *)Py_None); Py_INCREF(Py_None);
   Py_XDECREF(tmp);
   tmp = ((PyObject*)p->sampler);
-  p->sampler = ((struct __pyx_obj_8_cdec_sa_Sampler *)Py_None); Py_INCREF(Py_None);
+  p->sampler = ((struct __pyx_obj_3_sa_Sampler *)Py_None); Py_INCREF(Py_None);
   Py_XDECREF(tmp);
   tmp = ((PyObject*)p->precomputed_index);
   p->precomputed_index = Py_None; Py_INCREF(Py_None);
@@ -58218,44 +58260,44 @@ static int __pyx_tp_clear_8_cdec_sa_HieroCachingRuleFactory(PyObject *o) {
   p->prev_norm_prefix = Py_None; Py_INCREF(Py_None);
   Py_XDECREF(tmp);
   tmp = ((PyObject*)p->fsa);
-  p->fsa = ((struct __pyx_obj_8_cdec_sa_SuffixArray *)Py_None); Py_INCREF(Py_None);
+  p->fsa = ((struct __pyx_obj_3_sa_SuffixArray *)Py_None); Py_INCREF(Py_None);
   Py_XDECREF(tmp);
   tmp = ((PyObject*)p->fda);
-  p->fda = ((struct __pyx_obj_8_cdec_sa_DataArray *)Py_None); Py_INCREF(Py_None);
+  p->fda = ((struct __pyx_obj_3_sa_DataArray *)Py_None); Py_INCREF(Py_None);
   Py_XDECREF(tmp);
   tmp = ((PyObject*)p->eda);
-  p->eda = ((struct __pyx_obj_8_cdec_sa_DataArray *)Py_None); Py_INCREF(Py_None);
+  p->eda = ((struct __pyx_obj_3_sa_DataArray *)Py_None); Py_INCREF(Py_None);
   Py_XDECREF(tmp);
   tmp = ((PyObject*)p->alignment);
-  p->alignment = ((struct __pyx_obj_8_cdec_sa_Alignment *)Py_None); Py_INCREF(Py_None);
+  p->alignment = ((struct __pyx_obj_3_sa_Alignment *)Py_None); Py_INCREF(Py_None);
   Py_XDECREF(tmp);
   tmp = ((PyObject*)p->eid2symid);
-  p->eid2symid = ((struct __pyx_obj_8_cdec_sa_IntList *)Py_None); Py_INCREF(Py_None);
+  p->eid2symid = ((struct __pyx_obj_3_sa_IntList *)Py_None); Py_INCREF(Py_None);
   Py_XDECREF(tmp);
   tmp = ((PyObject*)p->fid2symid);
-  p->fid2symid = ((struct __pyx_obj_8_cdec_sa_IntList *)Py_None); Py_INCREF(Py_None);
+  p->fid2symid = ((struct __pyx_obj_3_sa_IntList *)Py_None); Py_INCREF(Py_None);
   Py_XDECREF(tmp);
   tmp = ((PyObject*)p->findexes);
-  p->findexes = ((struct __pyx_obj_8_cdec_sa_IntList *)Py_None); Py_INCREF(Py_None);
+  p->findexes = ((struct __pyx_obj_3_sa_IntList *)Py_None); Py_INCREF(Py_None);
   Py_XDECREF(tmp);
   tmp = ((PyObject*)p->findexes1);
-  p->findexes1 = ((struct __pyx_obj_8_cdec_sa_IntList *)Py_None); Py_INCREF(Py_None);
+  p->findexes1 = ((struct __pyx_obj_3_sa_IntList *)Py_None); Py_INCREF(Py_None);
   Py_XDECREF(tmp);
   return 0;
 }
 
-static PyMethodDef __pyx_methods_8_cdec_sa_HieroCachingRuleFactory[] = {
-  {__Pyx_NAMESTR("configure"), (PyCFunction)__pyx_pw_8_cdec_sa_23HieroCachingRuleFactory_3configure, METH_VARARGS|METH_KEYWORDS, __Pyx_DOCSTR(__pyx_doc_8_cdec_sa_23HieroCachingRuleFactory_2configure)},
-  {__Pyx_NAMESTR("pattern2phrase"), (PyCFunction)__pyx_pw_8_cdec_sa_23HieroCachingRuleFactory_5pattern2phrase, METH_O, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("pattern2phrase_plus"), (PyCFunction)__pyx_pw_8_cdec_sa_23HieroCachingRuleFactory_7pattern2phrase_plus, METH_O, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("precompute"), (PyCFunction)__pyx_pw_8_cdec_sa_23HieroCachingRuleFactory_9precompute, METH_NOARGS, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("get_precomputed_collocation"), (PyCFunction)__pyx_pw_8_cdec_sa_23HieroCachingRuleFactory_11get_precomputed_collocation, METH_O, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("advance"), (PyCFunction)__pyx_pw_8_cdec_sa_23HieroCachingRuleFactory_13advance, METH_VARARGS|METH_KEYWORDS, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("get_all_nodes_isteps_away"), (PyCFunction)__pyx_pw_8_cdec_sa_23HieroCachingRuleFactory_15get_all_nodes_isteps_away, METH_VARARGS|METH_KEYWORDS, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("reachable"), (PyCFunction)__pyx_pw_8_cdec_sa_23HieroCachingRuleFactory_17reachable, METH_VARARGS|METH_KEYWORDS, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("shortest"), (PyCFunction)__pyx_pw_8_cdec_sa_23HieroCachingRuleFactory_19shortest, METH_VARARGS|METH_KEYWORDS, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("get_next_states"), (PyCFunction)__pyx_pw_8_cdec_sa_23HieroCachingRuleFactory_21get_next_states, METH_VARARGS|METH_KEYWORDS, __Pyx_DOCSTR(0)},
-  {__Pyx_NAMESTR("input"), (PyCFunction)__pyx_pw_8_cdec_sa_23HieroCachingRuleFactory_23input, METH_VARARGS|METH_KEYWORDS, __Pyx_DOCSTR(__pyx_doc_8_cdec_sa_23HieroCachingRuleFactory_22input)},
+static PyMethodDef __pyx_methods_3_sa_HieroCachingRuleFactory[] = {
+  {__Pyx_NAMESTR("configure"), (PyCFunction)__pyx_pw_3_sa_23HieroCachingRuleFactory_3configure, METH_VARARGS|METH_KEYWORDS, __Pyx_DOCSTR(__pyx_doc_3_sa_23HieroCachingRuleFactory_2configure)},
+  {__Pyx_NAMESTR("pattern2phrase"), (PyCFunction)__pyx_pw_3_sa_23HieroCachingRuleFactory_5pattern2phrase, METH_O, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("pattern2phrase_plus"), (PyCFunction)__pyx_pw_3_sa_23HieroCachingRuleFactory_7pattern2phrase_plus, METH_O, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("precompute"), (PyCFunction)__pyx_pw_3_sa_23HieroCachingRuleFactory_9precompute, METH_NOARGS, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("get_precomputed_collocation"), (PyCFunction)__pyx_pw_3_sa_23HieroCachingRuleFactory_11get_precomputed_collocation, METH_O, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("advance"), (PyCFunction)__pyx_pw_3_sa_23HieroCachingRuleFactory_13advance, METH_VARARGS|METH_KEYWORDS, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("get_all_nodes_isteps_away"), (PyCFunction)__pyx_pw_3_sa_23HieroCachingRuleFactory_15get_all_nodes_isteps_away, METH_VARARGS|METH_KEYWORDS, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("reachable"), (PyCFunction)__pyx_pw_3_sa_23HieroCachingRuleFactory_17reachable, METH_VARARGS|METH_KEYWORDS, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("shortest"), (PyCFunction)__pyx_pw_3_sa_23HieroCachingRuleFactory_19shortest, METH_VARARGS|METH_KEYWORDS, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("get_next_states"), (PyCFunction)__pyx_pw_3_sa_23HieroCachingRuleFactory_21get_next_states, METH_VARARGS|METH_KEYWORDS, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("input"), (PyCFunction)__pyx_pw_3_sa_23HieroCachingRuleFactory_23input, METH_VARARGS|METH_KEYWORDS, __Pyx_DOCSTR(__pyx_doc_3_sa_23HieroCachingRuleFactory_22input)},
   {0, 0, 0, 0}
 };
 
@@ -58357,12 +58399,12 @@ static PyBufferProcs __pyx_tp_as_buffer_HieroCachingRuleFactory = {
   #endif
 };
 
-static PyTypeObject __pyx_type_8_cdec_sa_HieroCachingRuleFactory = {
+static PyTypeObject __pyx_type_3_sa_HieroCachingRuleFactory = {
   PyVarObject_HEAD_INIT(0, 0)
-  __Pyx_NAMESTR("_cdec_sa.HieroCachingRuleFactory"), /*tp_name*/
-  sizeof(struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory), /*tp_basicsize*/
+  __Pyx_NAMESTR("_sa.HieroCachingRuleFactory"), /*tp_name*/
+  sizeof(struct __pyx_obj_3_sa_HieroCachingRuleFactory), /*tp_basicsize*/
   0, /*tp_itemsize*/
-  __pyx_tp_dealloc_8_cdec_sa_HieroCachingRuleFactory, /*tp_dealloc*/
+  __pyx_tp_dealloc_3_sa_HieroCachingRuleFactory, /*tp_dealloc*/
   0, /*tp_print*/
   0, /*tp_getattr*/
   0, /*tp_setattr*/
@@ -58383,13 +58425,13 @@ static PyTypeObject __pyx_type_8_cdec_sa_HieroCachingRuleFactory = {
   &__pyx_tp_as_buffer_HieroCachingRuleFactory, /*tp_as_buffer*/
   Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
   __Pyx_DOCSTR("This RuleFactory implements a caching \n    method using TrieTable, which makes phrase\n    generation somewhat speedier -- phrases only\n    need to be extracted once (however, it is\n    quite possible they need to be scored \n    for each input sentence, for contextual models)"), /*tp_doc*/
-  __pyx_tp_traverse_8_cdec_sa_HieroCachingRuleFactory, /*tp_traverse*/
-  __pyx_tp_clear_8_cdec_sa_HieroCachingRuleFactory, /*tp_clear*/
+  __pyx_tp_traverse_3_sa_HieroCachingRuleFactory, /*tp_traverse*/
+  __pyx_tp_clear_3_sa_HieroCachingRuleFactory, /*tp_clear*/
   0, /*tp_richcompare*/
   0, /*tp_weaklistoffset*/
   0, /*tp_iter*/
   0, /*tp_iternext*/
-  __pyx_methods_8_cdec_sa_HieroCachingRuleFactory, /*tp_methods*/
+  __pyx_methods_3_sa_HieroCachingRuleFactory, /*tp_methods*/
   0, /*tp_members*/
   0, /*tp_getset*/
   0, /*tp_base*/
@@ -58399,7 +58441,7 @@ static PyTypeObject __pyx_type_8_cdec_sa_HieroCachingRuleFactory = {
   0, /*tp_dictoffset*/
   0, /*tp_init*/
   0, /*tp_alloc*/
-  __pyx_tp_new_8_cdec_sa_HieroCachingRuleFactory, /*tp_new*/
+  __pyx_tp_new_3_sa_HieroCachingRuleFactory, /*tp_new*/
   0, /*tp_free*/
   0, /*tp_is_gc*/
   0, /*tp_bases*/
@@ -58413,11 +58455,11 @@ static PyTypeObject __pyx_type_8_cdec_sa_HieroCachingRuleFactory = {
   #endif
 };
 
-static PyObject *__pyx_tp_new_8_cdec_sa___pyx_scope_struct__compute_stats(PyTypeObject *t, PyObject *a, PyObject *k) {
-  struct __pyx_obj_8_cdec_sa___pyx_scope_struct__compute_stats *p;
+static PyObject *__pyx_tp_new_3_sa___pyx_scope_struct__compute_stats(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
+  struct __pyx_obj_3_sa___pyx_scope_struct__compute_stats *p;
   PyObject *o = (*t->tp_alloc)(t, 0);
   if (!o) return 0;
-  p = ((struct __pyx_obj_8_cdec_sa___pyx_scope_struct__compute_stats *)o);
+  p = ((struct __pyx_obj_3_sa___pyx_scope_struct__compute_stats *)o);
   p->__pyx_v_ngram = 0;
   p->__pyx_v_ngram_start = 0;
   p->__pyx_v_ngram_starts = 0;
@@ -58427,8 +58469,8 @@ static PyObject *__pyx_tp_new_8_cdec_sa___pyx_scope_struct__compute_stats(PyType
   return o;
 }
 
-static void __pyx_tp_dealloc_8_cdec_sa___pyx_scope_struct__compute_stats(PyObject *o) {
-  struct __pyx_obj_8_cdec_sa___pyx_scope_struct__compute_stats *p = (struct __pyx_obj_8_cdec_sa___pyx_scope_struct__compute_stats *)o;
+static void __pyx_tp_dealloc_3_sa___pyx_scope_struct__compute_stats(PyObject *o) {
+  struct __pyx_obj_3_sa___pyx_scope_struct__compute_stats *p = (struct __pyx_obj_3_sa___pyx_scope_struct__compute_stats *)o;
   Py_XDECREF(((PyObject *)p->__pyx_v_ngram));
   Py_XDECREF(((PyObject *)p->__pyx_v_ngram_start));
   Py_XDECREF(((PyObject *)p->__pyx_v_ngram_starts));
@@ -58438,9 +58480,9 @@ static void __pyx_tp_dealloc_8_cdec_sa___pyx_scope_struct__compute_stats(PyObjec
   (*Py_TYPE(o)->tp_free)(o);
 }
 
-static int __pyx_tp_traverse_8_cdec_sa___pyx_scope_struct__compute_stats(PyObject *o, visitproc v, void *a) {
+static int __pyx_tp_traverse_3_sa___pyx_scope_struct__compute_stats(PyObject *o, visitproc v, void *a) {
   int e;
-  struct __pyx_obj_8_cdec_sa___pyx_scope_struct__compute_stats *p = (struct __pyx_obj_8_cdec_sa___pyx_scope_struct__compute_stats *)o;
+  struct __pyx_obj_3_sa___pyx_scope_struct__compute_stats *p = (struct __pyx_obj_3_sa___pyx_scope_struct__compute_stats *)o;
   if (p->__pyx_v_ngram) {
     e = (*v)(p->__pyx_v_ngram, a); if (e) return e;
   }
@@ -58462,31 +58504,31 @@ static int __pyx_tp_traverse_8_cdec_sa___pyx_scope_struct__compute_stats(PyObjec
   return 0;
 }
 
-static int __pyx_tp_clear_8_cdec_sa___pyx_scope_struct__compute_stats(PyObject *o) {
-  struct __pyx_obj_8_cdec_sa___pyx_scope_struct__compute_stats *p = (struct __pyx_obj_8_cdec_sa___pyx_scope_struct__compute_stats *)o;
+static int __pyx_tp_clear_3_sa___pyx_scope_struct__compute_stats(PyObject *o) {
+  struct __pyx_obj_3_sa___pyx_scope_struct__compute_stats *p = (struct __pyx_obj_3_sa___pyx_scope_struct__compute_stats *)o;
   PyObject* tmp;
   tmp = ((PyObject*)p->__pyx_v_ngram);
   p->__pyx_v_ngram = ((PyObject*)Py_None); Py_INCREF(Py_None);
   Py_XDECREF(tmp);
   tmp = ((PyObject*)p->__pyx_v_ngram_start);
-  p->__pyx_v_ngram_start = ((struct __pyx_obj_8_cdec_sa_IntList *)Py_None); Py_INCREF(Py_None);
+  p->__pyx_v_ngram_start = ((struct __pyx_obj_3_sa_IntList *)Py_None); Py_INCREF(Py_None);
   Py_XDECREF(tmp);
   tmp = ((PyObject*)p->__pyx_v_ngram_starts);
   p->__pyx_v_ngram_starts = ((PyObject*)Py_None); Py_INCREF(Py_None);
   Py_XDECREF(tmp);
   tmp = ((PyObject*)p->__pyx_v_run_start);
-  p->__pyx_v_run_start = ((struct __pyx_obj_8_cdec_sa_IntList *)Py_None); Py_INCREF(Py_None);
+  p->__pyx_v_run_start = ((struct __pyx_obj_3_sa_IntList *)Py_None); Py_INCREF(Py_None);
   Py_XDECREF(tmp);
   tmp = ((PyObject*)p->__pyx_v_self);
-  p->__pyx_v_self = ((struct __pyx_obj_8_cdec_sa_LCP *)Py_None); Py_INCREF(Py_None);
+  p->__pyx_v_self = ((struct __pyx_obj_3_sa_LCP *)Py_None); Py_INCREF(Py_None);
   Py_XDECREF(tmp);
   tmp = ((PyObject*)p->__pyx_v_veb);
-  p->__pyx_v_veb = ((struct __pyx_obj_8_cdec_sa_VEB *)Py_None); Py_INCREF(Py_None);
+  p->__pyx_v_veb = ((struct __pyx_obj_3_sa_VEB *)Py_None); Py_INCREF(Py_None);
   Py_XDECREF(tmp);
   return 0;
 }
 
-static PyMethodDef __pyx_methods_8_cdec_sa___pyx_scope_struct__compute_stats[] = {
+static PyMethodDef __pyx_methods_3_sa___pyx_scope_struct__compute_stats[] = {
   {0, 0, 0, 0}
 };
 
@@ -58588,12 +58630,12 @@ static PyBufferProcs __pyx_tp_as_buffer___pyx_scope_struct__compute_stats = {
   #endif
 };
 
-static PyTypeObject __pyx_type_8_cdec_sa___pyx_scope_struct__compute_stats = {
+static PyTypeObject __pyx_type_3_sa___pyx_scope_struct__compute_stats = {
   PyVarObject_HEAD_INIT(0, 0)
-  __Pyx_NAMESTR("_cdec_sa.__pyx_scope_struct__compute_stats"), /*tp_name*/
-  sizeof(struct __pyx_obj_8_cdec_sa___pyx_scope_struct__compute_stats), /*tp_basicsize*/
+  __Pyx_NAMESTR("_sa.__pyx_scope_struct__compute_stats"), /*tp_name*/
+  sizeof(struct __pyx_obj_3_sa___pyx_scope_struct__compute_stats), /*tp_basicsize*/
   0, /*tp_itemsize*/
-  __pyx_tp_dealloc_8_cdec_sa___pyx_scope_struct__compute_stats, /*tp_dealloc*/
+  __pyx_tp_dealloc_3_sa___pyx_scope_struct__compute_stats, /*tp_dealloc*/
   0, /*tp_print*/
   0, /*tp_getattr*/
   0, /*tp_setattr*/
@@ -58614,13 +58656,13 @@ static PyTypeObject __pyx_type_8_cdec_sa___pyx_scope_struct__compute_stats = {
   &__pyx_tp_as_buffer___pyx_scope_struct__compute_stats, /*tp_as_buffer*/
   Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
   0, /*tp_doc*/
-  __pyx_tp_traverse_8_cdec_sa___pyx_scope_struct__compute_stats, /*tp_traverse*/
-  __pyx_tp_clear_8_cdec_sa___pyx_scope_struct__compute_stats, /*tp_clear*/
+  __pyx_tp_traverse_3_sa___pyx_scope_struct__compute_stats, /*tp_traverse*/
+  __pyx_tp_clear_3_sa___pyx_scope_struct__compute_stats, /*tp_clear*/
   0, /*tp_richcompare*/
   0, /*tp_weaklistoffset*/
   0, /*tp_iter*/
   0, /*tp_iternext*/
-  __pyx_methods_8_cdec_sa___pyx_scope_struct__compute_stats, /*tp_methods*/
+  __pyx_methods_3_sa___pyx_scope_struct__compute_stats, /*tp_methods*/
   0, /*tp_members*/
   0, /*tp_getset*/
   0, /*tp_base*/
@@ -58630,7 +58672,7 @@ static PyTypeObject __pyx_type_8_cdec_sa___pyx_scope_struct__compute_stats = {
   0, /*tp_dictoffset*/
   0, /*tp_init*/
   0, /*tp_alloc*/
-  __pyx_tp_new_8_cdec_sa___pyx_scope_struct__compute_stats, /*tp_new*/
+  __pyx_tp_new_3_sa___pyx_scope_struct__compute_stats, /*tp_new*/
   0, /*tp_free*/
   0, /*tp_is_gc*/
   0, /*tp_bases*/
@@ -58644,11 +58686,202 @@ static PyTypeObject __pyx_type_8_cdec_sa___pyx_scope_struct__compute_stats = {
   #endif
 };
 
-static PyObject *__pyx_tp_new_8_cdec_sa___pyx_scope_struct_1_input(PyTypeObject *t, PyObject *a, PyObject *k) {
-  struct __pyx_obj_8_cdec_sa___pyx_scope_struct_1_input *p;
+static PyObject *__pyx_tp_new_3_sa___pyx_scope_struct_1___iter__(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
+  struct __pyx_obj_3_sa___pyx_scope_struct_1___iter__ *p;
   PyObject *o = (*t->tp_alloc)(t, 0);
   if (!o) return 0;
-  p = ((struct __pyx_obj_8_cdec_sa___pyx_scope_struct_1_input *)o);
+  p = ((struct __pyx_obj_3_sa___pyx_scope_struct_1___iter__ *)o);
+  p->__pyx_v_self = 0;
+  return o;
+}
+
+static void __pyx_tp_dealloc_3_sa___pyx_scope_struct_1___iter__(PyObject *o) {
+  struct __pyx_obj_3_sa___pyx_scope_struct_1___iter__ *p = (struct __pyx_obj_3_sa___pyx_scope_struct_1___iter__ *)o;
+  Py_XDECREF(((PyObject *)p->__pyx_v_self));
+  (*Py_TYPE(o)->tp_free)(o);
+}
+
+static int __pyx_tp_traverse_3_sa___pyx_scope_struct_1___iter__(PyObject *o, visitproc v, void *a) {
+  int e;
+  struct __pyx_obj_3_sa___pyx_scope_struct_1___iter__ *p = (struct __pyx_obj_3_sa___pyx_scope_struct_1___iter__ *)o;
+  if (p->__pyx_v_self) {
+    e = (*v)(((PyObject*)p->__pyx_v_self), a); if (e) return e;
+  }
+  return 0;
+}
+
+static int __pyx_tp_clear_3_sa___pyx_scope_struct_1___iter__(PyObject *o) {
+  struct __pyx_obj_3_sa___pyx_scope_struct_1___iter__ *p = (struct __pyx_obj_3_sa___pyx_scope_struct_1___iter__ *)o;
+  PyObject* tmp;
+  tmp = ((PyObject*)p->__pyx_v_self);
+  p->__pyx_v_self = ((struct __pyx_obj_3_sa_Phrase *)Py_None); Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  return 0;
+}
+
+static PyMethodDef __pyx_methods_3_sa___pyx_scope_struct_1___iter__[] = {
+  {0, 0, 0, 0}
+};
+
+static PyNumberMethods __pyx_tp_as_number___pyx_scope_struct_1___iter__ = {
+  0, /*nb_add*/
+  0, /*nb_subtract*/
+  0, /*nb_multiply*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_divide*/
+  #endif
+  0, /*nb_remainder*/
+  0, /*nb_divmod*/
+  0, /*nb_power*/
+  0, /*nb_negative*/
+  0, /*nb_positive*/
+  0, /*nb_absolute*/
+  0, /*nb_nonzero*/
+  0, /*nb_invert*/
+  0, /*nb_lshift*/
+  0, /*nb_rshift*/
+  0, /*nb_and*/
+  0, /*nb_xor*/
+  0, /*nb_or*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_coerce*/
+  #endif
+  0, /*nb_int*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_long*/
+  #else
+  0, /*reserved*/
+  #endif
+  0, /*nb_float*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_oct*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_hex*/
+  #endif
+  0, /*nb_inplace_add*/
+  0, /*nb_inplace_subtract*/
+  0, /*nb_inplace_multiply*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*nb_inplace_divide*/
+  #endif
+  0, /*nb_inplace_remainder*/
+  0, /*nb_inplace_power*/
+  0, /*nb_inplace_lshift*/
+  0, /*nb_inplace_rshift*/
+  0, /*nb_inplace_and*/
+  0, /*nb_inplace_xor*/
+  0, /*nb_inplace_or*/
+  0, /*nb_floor_divide*/
+  0, /*nb_true_divide*/
+  0, /*nb_inplace_floor_divide*/
+  0, /*nb_inplace_true_divide*/
+  #if PY_VERSION_HEX >= 0x02050000
+  0, /*nb_index*/
+  #endif
+};
+
+static PySequenceMethods __pyx_tp_as_sequence___pyx_scope_struct_1___iter__ = {
+  0, /*sq_length*/
+  0, /*sq_concat*/
+  0, /*sq_repeat*/
+  0, /*sq_item*/
+  0, /*sq_slice*/
+  0, /*sq_ass_item*/
+  0, /*sq_ass_slice*/
+  0, /*sq_contains*/
+  0, /*sq_inplace_concat*/
+  0, /*sq_inplace_repeat*/
+};
+
+static PyMappingMethods __pyx_tp_as_mapping___pyx_scope_struct_1___iter__ = {
+  0, /*mp_length*/
+  0, /*mp_subscript*/
+  0, /*mp_ass_subscript*/
+};
+
+static PyBufferProcs __pyx_tp_as_buffer___pyx_scope_struct_1___iter__ = {
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getreadbuffer*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getwritebuffer*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getsegcount*/
+  #endif
+  #if PY_MAJOR_VERSION < 3
+  0, /*bf_getcharbuffer*/
+  #endif
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*bf_getbuffer*/
+  #endif
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*bf_releasebuffer*/
+  #endif
+};
+
+static PyTypeObject __pyx_type_3_sa___pyx_scope_struct_1___iter__ = {
+  PyVarObject_HEAD_INIT(0, 0)
+  __Pyx_NAMESTR("_sa.__pyx_scope_struct_1___iter__"), /*tp_name*/
+  sizeof(struct __pyx_obj_3_sa___pyx_scope_struct_1___iter__), /*tp_basicsize*/
+  0, /*tp_itemsize*/
+  __pyx_tp_dealloc_3_sa___pyx_scope_struct_1___iter__, /*tp_dealloc*/
+  0, /*tp_print*/
+  0, /*tp_getattr*/
+  0, /*tp_setattr*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*tp_compare*/
+  #else
+  0, /*reserved*/
+  #endif
+  0, /*tp_repr*/
+  &__pyx_tp_as_number___pyx_scope_struct_1___iter__, /*tp_as_number*/
+  &__pyx_tp_as_sequence___pyx_scope_struct_1___iter__, /*tp_as_sequence*/
+  &__pyx_tp_as_mapping___pyx_scope_struct_1___iter__, /*tp_as_mapping*/
+  0, /*tp_hash*/
+  0, /*tp_call*/
+  0, /*tp_str*/
+  0, /*tp_getattro*/
+  0, /*tp_setattro*/
+  &__pyx_tp_as_buffer___pyx_scope_struct_1___iter__, /*tp_as_buffer*/
+  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
+  0, /*tp_doc*/
+  __pyx_tp_traverse_3_sa___pyx_scope_struct_1___iter__, /*tp_traverse*/
+  __pyx_tp_clear_3_sa___pyx_scope_struct_1___iter__, /*tp_clear*/
+  0, /*tp_richcompare*/
+  0, /*tp_weaklistoffset*/
+  0, /*tp_iter*/
+  0, /*tp_iternext*/
+  __pyx_methods_3_sa___pyx_scope_struct_1___iter__, /*tp_methods*/
+  0, /*tp_members*/
+  0, /*tp_getset*/
+  0, /*tp_base*/
+  0, /*tp_dict*/
+  0, /*tp_descr_get*/
+  0, /*tp_descr_set*/
+  0, /*tp_dictoffset*/
+  0, /*tp_init*/
+  0, /*tp_alloc*/
+  __pyx_tp_new_3_sa___pyx_scope_struct_1___iter__, /*tp_new*/
+  0, /*tp_free*/
+  0, /*tp_is_gc*/
+  0, /*tp_bases*/
+  0, /*tp_mro*/
+  0, /*tp_cache*/
+  0, /*tp_subclasses*/
+  0, /*tp_weaklist*/
+  0, /*tp_del*/
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*tp_version_tag*/
+  #endif
+};
+
+static PyObject *__pyx_tp_new_3_sa___pyx_scope_struct_2_input(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
+  struct __pyx_obj_3_sa___pyx_scope_struct_2_input *p;
+  PyObject *o = (*t->tp_alloc)(t, 0);
+  if (!o) return 0;
+  p = ((struct __pyx_obj_3_sa___pyx_scope_struct_2_input *)o);
   p->__pyx_v_alignment = 0;
   p->__pyx_v_als = 0;
   p->__pyx_v_alslist = 0;
@@ -58690,21 +58923,20 @@ static PyObject *__pyx_tp_new_8_cdec_sa___pyx_scope_struct_1_input(PyTypeObject
   p->__pyx_v_self = 0;
   p->__pyx_v_spanlen = 0;
   p->__pyx_v_stop_time = 0;
-  p->__pyx_v_str_phrase = 0;
   p->__pyx_v_suffix_link = 0;
   p->__pyx_v_suffix_link_xcat_index = 0;
   p->__pyx_v_word_id = 0;
   p->__pyx_v_xcat_index = 0;
   p->__pyx_v_xnode = 0;
   p->__pyx_v_xroot = 0;
-  p->__pyx_t_2 = 0;
-  p->__pyx_t_3 = 0;
+  p->__pyx_t_1 = 0;
   p->__pyx_t_4 = 0;
+  p->__pyx_t_5 = 0;
   return o;
 }
 
-static void __pyx_tp_dealloc_8_cdec_sa___pyx_scope_struct_1_input(PyObject *o) {
-  struct __pyx_obj_8_cdec_sa___pyx_scope_struct_1_input *p = (struct __pyx_obj_8_cdec_sa___pyx_scope_struct_1_input *)o;
+static void __pyx_tp_dealloc_3_sa___pyx_scope_struct_2_input(PyObject *o) {
+  struct __pyx_obj_3_sa___pyx_scope_struct_2_input *p = (struct __pyx_obj_3_sa___pyx_scope_struct_2_input *)o;
   Py_XDECREF(p->__pyx_v_alignment);
   Py_XDECREF(p->__pyx_v_als);
   Py_XDECREF(p->__pyx_v_alslist);
@@ -58746,22 +58978,21 @@ static void __pyx_tp_dealloc_8_cdec_sa___pyx_scope_struct_1_input(PyObject *o) {
   Py_XDECREF(((PyObject *)p->__pyx_v_self));
   Py_XDECREF(p->__pyx_v_spanlen);
   Py_XDECREF(p->__pyx_v_stop_time);
-  Py_XDECREF(p->__pyx_v_str_phrase);
   Py_XDECREF(p->__pyx_v_suffix_link);
   Py_XDECREF(p->__pyx_v_suffix_link_xcat_index);
   Py_XDECREF(p->__pyx_v_word_id);
   Py_XDECREF(p->__pyx_v_xcat_index);
   Py_XDECREF(p->__pyx_v_xnode);
   Py_XDECREF(p->__pyx_v_xroot);
-  Py_XDECREF(p->__pyx_t_2);
-  Py_XDECREF(p->__pyx_t_3);
+  Py_XDECREF(p->__pyx_t_1);
   Py_XDECREF(p->__pyx_t_4);
+  Py_XDECREF(p->__pyx_t_5);
   (*Py_TYPE(o)->tp_free)(o);
 }
 
-static int __pyx_tp_traverse_8_cdec_sa___pyx_scope_struct_1_input(PyObject *o, visitproc v, void *a) {
+static int __pyx_tp_traverse_3_sa___pyx_scope_struct_2_input(PyObject *o, visitproc v, void *a) {
   int e;
-  struct __pyx_obj_8_cdec_sa___pyx_scope_struct_1_input *p = (struct __pyx_obj_8_cdec_sa___pyx_scope_struct_1_input *)o;
+  struct __pyx_obj_3_sa___pyx_scope_struct_2_input *p = (struct __pyx_obj_3_sa___pyx_scope_struct_2_input *)o;
   if (p->__pyx_v_alignment) {
     e = (*v)(p->__pyx_v_alignment, a); if (e) return e;
   }
@@ -58885,9 +59116,6 @@ static int __pyx_tp_traverse_8_cdec_sa___pyx_scope_struct_1_input(PyObject *o, v
   if (p->__pyx_v_stop_time) {
     e = (*v)(p->__pyx_v_stop_time, a); if (e) return e;
   }
-  if (p->__pyx_v_str_phrase) {
-    e = (*v)(p->__pyx_v_str_phrase, a); if (e) return e;
-  }
   if (p->__pyx_v_suffix_link) {
     e = (*v)(p->__pyx_v_suffix_link, a); if (e) return e;
   }
@@ -58906,20 +59134,20 @@ static int __pyx_tp_traverse_8_cdec_sa___pyx_scope_struct_1_input(PyObject *o, v
   if (p->__pyx_v_xroot) {
     e = (*v)(p->__pyx_v_xroot, a); if (e) return e;
   }
-  if (p->__pyx_t_2) {
-    e = (*v)(p->__pyx_t_2, a); if (e) return e;
-  }
-  if (p->__pyx_t_3) {
-    e = (*v)(p->__pyx_t_3, a); if (e) return e;
+  if (p->__pyx_t_1) {
+    e = (*v)(p->__pyx_t_1, a); if (e) return e;
   }
   if (p->__pyx_t_4) {
     e = (*v)(p->__pyx_t_4, a); if (e) return e;
   }
+  if (p->__pyx_t_5) {
+    e = (*v)(p->__pyx_t_5, a); if (e) return e;
+  }
   return 0;
 }
 
-static int __pyx_tp_clear_8_cdec_sa___pyx_scope_struct_1_input(PyObject *o) {
-  struct __pyx_obj_8_cdec_sa___pyx_scope_struct_1_input *p = (struct __pyx_obj_8_cdec_sa___pyx_scope_struct_1_input *)o;
+static int __pyx_tp_clear_3_sa___pyx_scope_struct_2_input(PyObject *o) {
+  struct __pyx_obj_3_sa___pyx_scope_struct_2_input *p = (struct __pyx_obj_3_sa___pyx_scope_struct_2_input *)o;
   PyObject* tmp;
   tmp = ((PyObject*)p->__pyx_v_alignment);
   p->__pyx_v_alignment = Py_None; Py_INCREF(Py_None);
@@ -58931,7 +59159,7 @@ static int __pyx_tp_clear_8_cdec_sa___pyx_scope_struct_1_input(PyObject *o) {
   p->__pyx_v_alslist = Py_None; Py_INCREF(Py_None);
   Py_XDECREF(tmp);
   tmp = ((PyObject*)p->__pyx_v_chunklen);
-  p->__pyx_v_chunklen = ((struct __pyx_obj_8_cdec_sa_IntList *)Py_None); Py_INCREF(Py_None);
+  p->__pyx_v_chunklen = ((struct __pyx_obj_3_sa_IntList *)Py_None); Py_INCREF(Py_None);
   Py_XDECREF(tmp);
   tmp = ((PyObject*)p->__pyx_v_count);
   p->__pyx_v_count = Py_None; Py_INCREF(Py_None);
@@ -58982,7 +59210,7 @@ static int __pyx_tp_clear_8_cdec_sa___pyx_scope_struct_1_input(PyObject *o) {
   p->__pyx_v_fwords = Py_None; Py_INCREF(Py_None);
   Py_XDECREF(tmp);
   tmp = ((PyObject*)p->__pyx_v_hiero_phrase);
-  p->__pyx_v_hiero_phrase = ((struct __pyx_obj_8_cdec_sa_Phrase *)Py_None); Py_INCREF(Py_None);
+  p->__pyx_v_hiero_phrase = ((struct __pyx_obj_3_sa_Phrase *)Py_None); Py_INCREF(Py_None);
   Py_XDECREF(tmp);
   tmp = ((PyObject*)p->__pyx_v_is_shadow_path);
   p->__pyx_v_is_shadow_path = Py_None; Py_INCREF(Py_None);
@@ -59018,7 +59246,7 @@ static int __pyx_tp_clear_8_cdec_sa___pyx_scope_struct_1_input(PyObject *o) {
   p->__pyx_v_phrase = Py_None; Py_INCREF(Py_None);
   Py_XDECREF(tmp);
   tmp = ((PyObject*)p->__pyx_v_phrase_location);
-  p->__pyx_v_phrase_location = ((struct __pyx_obj_8_cdec_sa_PhraseLocation *)Py_None); Py_INCREF(Py_None);
+  p->__pyx_v_phrase_location = ((struct __pyx_obj_3_sa_PhraseLocation *)Py_None); Py_INCREF(Py_None);
   Py_XDECREF(tmp);
   tmp = ((PyObject*)p->__pyx_v_prefix);
   p->__pyx_v_prefix = Py_None; Py_INCREF(Py_None);
@@ -59030,13 +59258,13 @@ static int __pyx_tp_clear_8_cdec_sa___pyx_scope_struct_1_input(PyObject *o) {
   p->__pyx_v_sa_range = Py_None; Py_INCREF(Py_None);
   Py_XDECREF(tmp);
   tmp = ((PyObject*)p->__pyx_v_sample);
-  p->__pyx_v_sample = ((struct __pyx_obj_8_cdec_sa_IntList *)Py_None); Py_INCREF(Py_None);
+  p->__pyx_v_sample = ((struct __pyx_obj_3_sa_IntList *)Py_None); Py_INCREF(Py_None);
   Py_XDECREF(tmp);
   tmp = ((PyObject*)p->__pyx_v_scores);
   p->__pyx_v_scores = ((PyObject*)Py_None); Py_INCREF(Py_None);
   Py_XDECREF(tmp);
   tmp = ((PyObject*)p->__pyx_v_self);
-  p->__pyx_v_self = ((struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *)Py_None); Py_INCREF(Py_None);
+  p->__pyx_v_self = ((struct __pyx_obj_3_sa_HieroCachingRuleFactory *)Py_None); Py_INCREF(Py_None);
   Py_XDECREF(tmp);
   tmp = ((PyObject*)p->__pyx_v_spanlen);
   p->__pyx_v_spanlen = Py_None; Py_INCREF(Py_None);
@@ -59044,9 +59272,6 @@ static int __pyx_tp_clear_8_cdec_sa___pyx_scope_struct_1_input(PyObject *o) {
   tmp = ((PyObject*)p->__pyx_v_stop_time);
   p->__pyx_v_stop_time = Py_None; Py_INCREF(Py_None);
   Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->__pyx_v_str_phrase);
-  p->__pyx_v_str_phrase = Py_None; Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
   tmp = ((PyObject*)p->__pyx_v_suffix_link);
   p->__pyx_v_suffix_link = Py_None; Py_INCREF(Py_None);
   Py_XDECREF(tmp);
@@ -59065,23 +59290,23 @@ static int __pyx_tp_clear_8_cdec_sa___pyx_scope_struct_1_input(PyObject *o) {
   tmp = ((PyObject*)p->__pyx_v_xroot);
   p->__pyx_v_xroot = Py_None; Py_INCREF(Py_None);
   Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->__pyx_t_2);
-  p->__pyx_t_2 = Py_None; Py_INCREF(Py_None);
-  Py_XDECREF(tmp);
-  tmp = ((PyObject*)p->__pyx_t_3);
-  p->__pyx_t_3 = Py_None; Py_INCREF(Py_None);
+  tmp = ((PyObject*)p->__pyx_t_1);
+  p->__pyx_t_1 = Py_None; Py_INCREF(Py_None);
   Py_XDECREF(tmp);
   tmp = ((PyObject*)p->__pyx_t_4);
   p->__pyx_t_4 = Py_None; Py_INCREF(Py_None);
   Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->__pyx_t_5);
+  p->__pyx_t_5 = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
   return 0;
 }
 
-static PyMethodDef __pyx_methods_8_cdec_sa___pyx_scope_struct_1_input[] = {
+static PyMethodDef __pyx_methods_3_sa___pyx_scope_struct_2_input[] = {
   {0, 0, 0, 0}
 };
 
-static PyNumberMethods __pyx_tp_as_number___pyx_scope_struct_1_input = {
+static PyNumberMethods __pyx_tp_as_number___pyx_scope_struct_2_input = {
   0, /*nb_add*/
   0, /*nb_subtract*/
   0, /*nb_multiply*/
@@ -59139,7 +59364,7 @@ static PyNumberMethods __pyx_tp_as_number___pyx_scope_struct_1_input = {
   #endif
 };
 
-static PySequenceMethods __pyx_tp_as_sequence___pyx_scope_struct_1_input = {
+static PySequenceMethods __pyx_tp_as_sequence___pyx_scope_struct_2_input = {
   0, /*sq_length*/
   0, /*sq_concat*/
   0, /*sq_repeat*/
@@ -59152,13 +59377,13 @@ static PySequenceMethods __pyx_tp_as_sequence___pyx_scope_struct_1_input = {
   0, /*sq_inplace_repeat*/
 };
 
-static PyMappingMethods __pyx_tp_as_mapping___pyx_scope_struct_1_input = {
+static PyMappingMethods __pyx_tp_as_mapping___pyx_scope_struct_2_input = {
   0, /*mp_length*/
   0, /*mp_subscript*/
   0, /*mp_ass_subscript*/
 };
 
-static PyBufferProcs __pyx_tp_as_buffer___pyx_scope_struct_1_input = {
+static PyBufferProcs __pyx_tp_as_buffer___pyx_scope_struct_2_input = {
   #if PY_MAJOR_VERSION < 3
   0, /*bf_getreadbuffer*/
   #endif
@@ -59179,12 +59404,12 @@ static PyBufferProcs __pyx_tp_as_buffer___pyx_scope_struct_1_input = {
   #endif
 };
 
-static PyTypeObject __pyx_type_8_cdec_sa___pyx_scope_struct_1_input = {
+static PyTypeObject __pyx_type_3_sa___pyx_scope_struct_2_input = {
   PyVarObject_HEAD_INIT(0, 0)
-  __Pyx_NAMESTR("_cdec_sa.__pyx_scope_struct_1_input"), /*tp_name*/
-  sizeof(struct __pyx_obj_8_cdec_sa___pyx_scope_struct_1_input), /*tp_basicsize*/
+  __Pyx_NAMESTR("_sa.__pyx_scope_struct_2_input"), /*tp_name*/
+  sizeof(struct __pyx_obj_3_sa___pyx_scope_struct_2_input), /*tp_basicsize*/
   0, /*tp_itemsize*/
-  __pyx_tp_dealloc_8_cdec_sa___pyx_scope_struct_1_input, /*tp_dealloc*/
+  __pyx_tp_dealloc_3_sa___pyx_scope_struct_2_input, /*tp_dealloc*/
   0, /*tp_print*/
   0, /*tp_getattr*/
   0, /*tp_setattr*/
@@ -59194,24 +59419,24 @@ static PyTypeObject __pyx_type_8_cdec_sa___pyx_scope_struct_1_input = {
   0, /*reserved*/
   #endif
   0, /*tp_repr*/
-  &__pyx_tp_as_number___pyx_scope_struct_1_input, /*tp_as_number*/
-  &__pyx_tp_as_sequence___pyx_scope_struct_1_input, /*tp_as_sequence*/
-  &__pyx_tp_as_mapping___pyx_scope_struct_1_input, /*tp_as_mapping*/
+  &__pyx_tp_as_number___pyx_scope_struct_2_input, /*tp_as_number*/
+  &__pyx_tp_as_sequence___pyx_scope_struct_2_input, /*tp_as_sequence*/
+  &__pyx_tp_as_mapping___pyx_scope_struct_2_input, /*tp_as_mapping*/
   0, /*tp_hash*/
   0, /*tp_call*/
   0, /*tp_str*/
   0, /*tp_getattro*/
   0, /*tp_setattro*/
-  &__pyx_tp_as_buffer___pyx_scope_struct_1_input, /*tp_as_buffer*/
+  &__pyx_tp_as_buffer___pyx_scope_struct_2_input, /*tp_as_buffer*/
   Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
   0, /*tp_doc*/
-  __pyx_tp_traverse_8_cdec_sa___pyx_scope_struct_1_input, /*tp_traverse*/
-  __pyx_tp_clear_8_cdec_sa___pyx_scope_struct_1_input, /*tp_clear*/
+  __pyx_tp_traverse_3_sa___pyx_scope_struct_2_input, /*tp_traverse*/
+  __pyx_tp_clear_3_sa___pyx_scope_struct_2_input, /*tp_clear*/
   0, /*tp_richcompare*/
   0, /*tp_weaklistoffset*/
   0, /*tp_iter*/
   0, /*tp_iternext*/
-  __pyx_methods_8_cdec_sa___pyx_scope_struct_1_input, /*tp_methods*/
+  __pyx_methods_3_sa___pyx_scope_struct_2_input, /*tp_methods*/
   0, /*tp_members*/
   0, /*tp_getset*/
   0, /*tp_base*/
@@ -59221,7 +59446,7 @@ static PyTypeObject __pyx_type_8_cdec_sa___pyx_scope_struct_1_input = {
   0, /*tp_dictoffset*/
   0, /*tp_init*/
   0, /*tp_alloc*/
-  __pyx_tp_new_8_cdec_sa___pyx_scope_struct_1_input, /*tp_new*/
+  __pyx_tp_new_3_sa___pyx_scope_struct_2_input, /*tp_new*/
   0, /*tp_free*/
   0, /*tp_is_gc*/
   0, /*tp_bases*/
@@ -59242,7 +59467,7 @@ static PyMethodDef __pyx_methods[] = {
 #if PY_MAJOR_VERSION >= 3
 static struct PyModuleDef __pyx_moduledef = {
     PyModuleDef_HEAD_INIT,
-    __Pyx_NAMESTR("_cdec_sa"),
+    __Pyx_NAMESTR("_sa"),
     0, /* m_doc */
     -1, /* m_size */
     __pyx_methods /* m_methods */,
@@ -59288,7 +59513,7 @@ static __Pyx_StringTabEntry __pyx_string_tab[] = {
   {&__pyx_kp_s_135, __pyx_k_135, sizeof(__pyx_k_135), 0, 0, 1, 0},
   {&__pyx_kp_s_139, __pyx_k_139, sizeof(__pyx_k_139), 0, 0, 1, 0},
   {&__pyx_kp_s_14, __pyx_k_14, sizeof(__pyx_k_14), 0, 0, 1, 0},
-  {&__pyx_kp_s_144, __pyx_k_144, sizeof(__pyx_k_144), 0, 0, 1, 0},
+  {&__pyx_kp_s_140, __pyx_k_140, sizeof(__pyx_k_140), 0, 0, 1, 0},
   {&__pyx_kp_s_18, __pyx_k_18, sizeof(__pyx_k_18), 0, 0, 1, 0},
   {&__pyx_kp_s_2, __pyx_k_2, sizeof(__pyx_k_2), 0, 0, 1, 0},
   {&__pyx_kp_s_22, __pyx_k_22, sizeof(__pyx_k_22), 0, 0, 1, 0},
@@ -59356,9 +59581,9 @@ static __Pyx_StringTabEntry __pyx_string_tab[] = {
   {&__pyx_n_s____exit__, __pyx_k____exit__, sizeof(__pyx_k____exit__), 0, 0, 1, 1},
   {&__pyx_n_s____main__, __pyx_k____main__, sizeof(__pyx_k____main__), 0, 0, 1, 1},
   {&__pyx_n_s____test__, __pyx_k____test__, sizeof(__pyx_k____test__), 0, 0, 1, 1},
-  {&__pyx_n_s___cdec_sa, __pyx_k___cdec_sa, sizeof(__pyx_k___cdec_sa), 0, 0, 1, 1},
   {&__pyx_n_s___columns, __pyx_k___columns, sizeof(__pyx_k___columns), 0, 0, 1, 1},
   {&__pyx_n_s___doquicksort, __pyx_k___doquicksort, sizeof(__pyx_k___doquicksort), 0, 0, 1, 1},
+  {&__pyx_n_s___sa, __pyx_k___sa, sizeof(__pyx_k___sa), 0, 0, 1, 1},
   {&__pyx_n_s__advance, __pyx_k__advance, sizeof(__pyx_k__advance), 0, 0, 1, 1},
   {&__pyx_n_s__alignment, __pyx_k__alignment, sizeof(__pyx_k__alignment), 0, 0, 1, 1},
   {&__pyx_n_s__alphabet_size, __pyx_k__alphabet_size, sizeof(__pyx_k__alphabet_size), 0, 0, 1, 1},
@@ -59484,10 +59709,7 @@ static __Pyx_StringTabEntry __pyx_string_tab[] = {
   {&__pyx_n_s__stop, __pyx_k__stop, sizeof(__pyx_k__stop), 0, 0, 1, 1},
   {&__pyx_n_s__string, __pyx_k__string, sizeof(__pyx_k__string), 0, 0, 1, 1},
   {&__pyx_n_s__suffix_link, __pyx_k__suffix_link, sizeof(__pyx_k__suffix_link), 0, 0, 1, 1},
-  {&__pyx_n_s__sym, __pyx_k__sym, sizeof(__pyx_k__sym), 0, 0, 1, 1},
   {&__pyx_n_s__sym_fromstring, __pyx_k__sym_fromstring, sizeof(__pyx_k__sym_fromstring), 0, 0, 1, 1},
-  {&__pyx_n_s__sym_isvar, __pyx_k__sym_isvar, sizeof(__pyx_k__sym_isvar), 0, 0, 1, 1},
-  {&__pyx_n_s__sym_tostring, __pyx_k__sym_tostring, sizeof(__pyx_k__sym_tostring), 0, 0, 1, 1},
   {&__pyx_n_s__terminal, __pyx_k__terminal, sizeof(__pyx_k__terminal), 0, 0, 1, 1},
   {&__pyx_n_s__tight_phrases, __pyx_k__tight_phrases, sizeof(__pyx_k__tight_phrases), 0, 0, 1, 1},
   {&__pyx_n_s__toMap, __pyx_k__toMap, sizeof(__pyx_k__toMap), 0, 0, 1, 1},
@@ -59517,8 +59739,8 @@ static int __Pyx_InitCachedBuiltins(void) {
   __pyx_builtin_Exception = __Pyx_GetName(__pyx_b, __pyx_n_s__Exception); if (!__pyx_builtin_Exception) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 124; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_builtin_zip = __Pyx_GetName(__pyx_b, __pyx_n_s__zip); if (!__pyx_builtin_zip) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 368; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_builtin_StopIteration = __Pyx_GetName(__pyx_b, __pyx_n_s__StopIteration); if (!__pyx_builtin_StopIteration) {__pyx_filename = __pyx_f[6]; __pyx_lineno = 108; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __pyx_builtin_cmp = __Pyx_GetName(__pyx_b, __pyx_n_s__cmp); if (!__pyx_builtin_cmp) {__pyx_filename = __pyx_f[7]; __pyx_lineno = 197; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __pyx_builtin_ValueError = __Pyx_GetName(__pyx_b, __pyx_n_s__ValueError); if (!__pyx_builtin_ValueError) {__pyx_filename = __pyx_f[7]; __pyx_lineno = 201; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_builtin_cmp = __Pyx_GetName(__pyx_b, __pyx_n_s__cmp); if (!__pyx_builtin_cmp) {__pyx_filename = __pyx_f[7]; __pyx_lineno = 192; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_builtin_ValueError = __Pyx_GetName(__pyx_b, __pyx_n_s__ValueError); if (!__pyx_builtin_ValueError) {__pyx_filename = __pyx_f[7]; __pyx_lineno = 196; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_builtin_sorted = __Pyx_GetName(__pyx_b, __pyx_n_s__sorted); if (!__pyx_builtin_sorted) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 917; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   return 0;
   __pyx_L1_error:;
@@ -60052,7 +60274,7 @@ static int __Pyx_InitCachedConstants(void) {
  *         cdef float start_time = monitor_cpu()
  * 
  */
-  __pyx_k_tuple_71 = PyTuple_New(1); if (unlikely(!__pyx_k_tuple_71)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 297; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_k_tuple_71 = PyTuple_New(1); if (unlikely(!__pyx_k_tuple_71)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 297; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_k_tuple_71);
   __Pyx_INCREF(((PyObject *)__pyx_kp_s_70));
   PyTuple_SET_ITEM(__pyx_k_tuple_71, 0, ((PyObject *)__pyx_kp_s_70));
@@ -60066,7 +60288,7 @@ static int __Pyx_InitCachedConstants(void) {
  *         N = len(data)
  *         for i from 0 <= i < N:
  */
-  __pyx_k_tuple_73 = PyTuple_New(1); if (unlikely(!__pyx_k_tuple_73)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 314; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_k_tuple_73 = PyTuple_New(1); if (unlikely(!__pyx_k_tuple_73)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 314; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_k_tuple_73);
   __Pyx_INCREF(((PyObject *)__pyx_kp_s_72));
   PyTuple_SET_ITEM(__pyx_k_tuple_73, 0, ((PyObject *)__pyx_kp_s_72));
@@ -60080,7 +60302,7 @@ static int __Pyx_InitCachedConstants(void) {
  *         N = len(queue)
  *         ptr1 = 0
  */
-  __pyx_k_tuple_75 = PyTuple_New(1); if (unlikely(!__pyx_k_tuple_75)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 329; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_k_tuple_75 = PyTuple_New(1); if (unlikely(!__pyx_k_tuple_75)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 329; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_k_tuple_75);
   __Pyx_INCREF(((PyObject *)__pyx_kp_s_74));
   PyTuple_SET_ITEM(__pyx_k_tuple_75, 0, ((PyObject *)__pyx_kp_s_74));
@@ -60094,7 +60316,7 @@ static int __Pyx_InitCachedConstants(void) {
  *                     J2_set.add(combined_pattern)
  * 
  */
-  __pyx_k_tuple_77 = PyTuple_New(1); if (unlikely(!__pyx_k_tuple_77)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 393; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_k_tuple_77 = PyTuple_New(1); if (unlikely(!__pyx_k_tuple_77)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 393; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_k_tuple_77);
   __Pyx_INCREF(__pyx_int_neg_1);
   PyTuple_SET_ITEM(__pyx_k_tuple_77, 0, __pyx_int_neg_1);
@@ -60108,7 +60330,7 @@ static int __Pyx_InitCachedConstants(void) {
  *                     IJ_set.add(combined_pattern)
  * 
  */
-  __pyx_k_tuple_78 = PyTuple_New(1); if (unlikely(!__pyx_k_tuple_78)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 400; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_k_tuple_78 = PyTuple_New(1); if (unlikely(!__pyx_k_tuple_78)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 400; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_k_tuple_78);
   __Pyx_INCREF(__pyx_int_neg_1);
   PyTuple_SET_ITEM(__pyx_k_tuple_78, 0, __pyx_int_neg_1);
@@ -60122,7 +60344,7 @@ static int __Pyx_InitCachedConstants(void) {
  *                     IJ_set.add(combined_pattern)
  *                     combined_pattern = pattern2 + (-1,) + pattern1
  */
-  __pyx_k_tuple_79 = PyTuple_New(1); if (unlikely(!__pyx_k_tuple_79)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 407; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_k_tuple_79 = PyTuple_New(1); if (unlikely(!__pyx_k_tuple_79)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 407; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_k_tuple_79);
   __Pyx_INCREF(__pyx_int_neg_1);
   PyTuple_SET_ITEM(__pyx_k_tuple_79, 0, __pyx_int_neg_1);
@@ -60136,7 +60358,7 @@ static int __Pyx_InitCachedConstants(void) {
  *                     IJ_set.add(combined_pattern)
  * 
  */
-  __pyx_k_tuple_80 = PyTuple_New(1); if (unlikely(!__pyx_k_tuple_80)) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 409; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_k_tuple_80 = PyTuple_New(1); if (unlikely(!__pyx_k_tuple_80)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 409; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_k_tuple_80);
   __Pyx_INCREF(__pyx_int_neg_1);
   PyTuple_SET_ITEM(__pyx_k_tuple_80, 0, __pyx_int_neg_1);
@@ -60150,7 +60372,7 @@ static int __Pyx_InitCachedConstants(void) {
  *         for i from 0 <= i < N:
  *             j = isa.arr[i]
  */
-  __pyx_k_tuple_91 = PyTuple_New(1); if (unlikely(!__pyx_k_tuple_91)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 103; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_k_tuple_91 = PyTuple_New(1); if (unlikely(!__pyx_k_tuple_91)) {__pyx_filename = __pyx_f[13]; __pyx_lineno = 103; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_k_tuple_91);
   __Pyx_INCREF(((PyObject *)__pyx_kp_s_90));
   PyTuple_SET_ITEM(__pyx_k_tuple_91, 0, ((PyObject *)__pyx_kp_s_90));
@@ -60164,7 +60386,7 @@ static int __Pyx_InitCachedConstants(void) {
  *             for w_i in self.ha:
  *                 f.write("%d " % w_i)
  */
-  __pyx_k_tuple_94 = PyTuple_New(1); if (unlikely(!__pyx_k_tuple_94)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 202; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_k_tuple_94 = PyTuple_New(1); if (unlikely(!__pyx_k_tuple_94)) {__pyx_filename = __pyx_f[13]; __pyx_lineno = 202; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_k_tuple_94);
   __Pyx_INCREF(((PyObject *)__pyx_kp_s_14));
   PyTuple_SET_ITEM(__pyx_k_tuple_94, 0, ((PyObject *)__pyx_kp_s_14));
@@ -60178,7 +60400,7 @@ static int __Pyx_InitCachedConstants(void) {
  * 
  *     cdef int __search_high(self, int word_id, int offset, int low, int high):
  */
-  __pyx_k_tuple_95 = PyTuple_New(1); if (unlikely(!__pyx_k_tuple_95)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 205; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_k_tuple_95 = PyTuple_New(1); if (unlikely(!__pyx_k_tuple_95)) {__pyx_filename = __pyx_f[13]; __pyx_lineno = 205; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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   __Pyx_INCREF(((PyObject *)__pyx_kp_s_14));
   PyTuple_SET_ITEM(__pyx_k_tuple_95, 0, ((PyObject *)__pyx_kp_s_14));
@@ -60192,7 +60414,7 @@ static int __Pyx_InitCachedConstants(void) {
  *             self.darray.write_enhanced_handle(f)
  *             for a_i in self.sa:
  */
-  __pyx_k_tuple_96 = PyTuple_New(3); if (unlikely(!__pyx_k_tuple_96)) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 198; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_k_tuple_96 = PyTuple_New(3); if (unlikely(!__pyx_k_tuple_96)) {__pyx_filename = __pyx_f[13]; __pyx_lineno = 198; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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   __Pyx_INCREF(Py_None);
   PyTuple_SET_ITEM(__pyx_k_tuple_96, 0, Py_None);
@@ -60233,21 +60455,21 @@ static int __Pyx_InitCachedConstants(void) {
   __Pyx_GIVEREF(((PyObject *)__pyx_kp_s_104));
   __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_105));
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1005
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":1004
  *                         else:
  *                             #ERROR: We never get here
  *                             raise Exception("Keyword trie error")             # <<<<<<<<<<<<<<
  *                 # checking whether lookup_required
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-  __pyx_k_tuple_120 = PyTuple_New(1); if (unlikely(!__pyx_k_tuple_120)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1005; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_k_tuple_120 = PyTuple_New(1); if (unlikely(!__pyx_k_tuple_120)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 1004; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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   __Pyx_GIVEREF(((PyObject *)__pyx_kp_s_119));
   __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_120));
 
-  /* "_cdec_sa.pyx":9
+  /* "_sa.pyx":9
  *             resource.getrusage(resource.RUSAGE_SELF).ru_stime)
  * 
  * def gzip_or_text(char* filename):             # <<<<<<<<<<<<<<
@@ -60265,7 +60487,7 @@ static int __Pyx_InitCachedConstants(void) {
   __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_132));
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-  /* "_cdec_sa.pyx":15
+  /* "_sa.pyx":15
  *         return open(filename)
  * 
  * logger = logging.getLogger('cdec.sa')             # <<<<<<<<<<<<<<
@@ -60279,59 +60501,22 @@ static int __Pyx_InitCachedConstants(void) {
   __Pyx_GIVEREF(((PyObject *)__pyx_kp_s_135));
   __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_136));
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":91
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- * 
- * def sym_tostring(int sym):             # <<<<<<<<<<<<<<
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- * 
- */
-  __pyx_k_tuple_137 = PyTuple_New(2); if (unlikely(!__pyx_k_tuple_137)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 91; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __Pyx_GOTREF(__pyx_k_tuple_137);
-  __Pyx_INCREF(((PyObject *)__pyx_n_s__sym));
-  PyTuple_SET_ITEM(__pyx_k_tuple_137, 0, ((PyObject *)__pyx_n_s__sym));
-  __Pyx_GIVEREF(((PyObject *)__pyx_n_s__sym));
-  __Pyx_INCREF(((PyObject *)__pyx_n_s__sym));
-  PyTuple_SET_ITEM(__pyx_k_tuple_137, 1, ((PyObject *)__pyx_n_s__sym));
-  __Pyx_GIVEREF(((PyObject *)__pyx_n_s__sym));
-  __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_137));
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-
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":94
- *     return ALPHABET.tostring(sym)
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":104
+ *     return ALPHABET.setindex(sym, id)
  * 
- * def sym_fromstring(bytes string, bint terminal):             # <<<<<<<<<<<<<<
+ * def sym_fromstring(char* string, bint terminal):             # <<<<<<<<<<<<<<
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- * 
  */
-  __pyx_k_tuple_140 = PyTuple_New(2); if (unlikely(!__pyx_k_tuple_140)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 94; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __Pyx_GOTREF(__pyx_k_tuple_140);
+  __pyx_k_tuple_137 = PyTuple_New(2); if (unlikely(!__pyx_k_tuple_137)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 104; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_k_tuple_137);
   __Pyx_INCREF(((PyObject *)__pyx_n_s__string));
-  PyTuple_SET_ITEM(__pyx_k_tuple_140, 0, ((PyObject *)__pyx_n_s__string));
+  PyTuple_SET_ITEM(__pyx_k_tuple_137, 0, ((PyObject *)__pyx_n_s__string));
   __Pyx_GIVEREF(((PyObject *)__pyx_n_s__string));
   __Pyx_INCREF(((PyObject *)__pyx_n_s__terminal));
-  PyTuple_SET_ITEM(__pyx_k_tuple_140, 1, ((PyObject *)__pyx_n_s__terminal));
+  PyTuple_SET_ITEM(__pyx_k_tuple_137, 1, ((PyObject *)__pyx_n_s__terminal));
   __Pyx_GIVEREF(((PyObject *)__pyx_n_s__terminal));
-  __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_140));
-  __pyx_k_codeobj_141 = (PyObject*)__Pyx_PyCode_New(2, 0, 2, 0, 0, __pyx_empty_bytes, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_k_tuple_140, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_kp_s_139, __pyx_n_s__sym_fromstring, 94, __pyx_empty_bytes); if (unlikely(!__pyx_k_codeobj_141)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 94; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":97
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- * 
- * def sym_isvar(int sym):             # <<<<<<<<<<<<<<
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- * 
- */
-  __pyx_k_tuple_142 = PyTuple_New(2); if (unlikely(!__pyx_k_tuple_142)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 97; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __Pyx_GOTREF(__pyx_k_tuple_142);
-  __Pyx_INCREF(((PyObject *)__pyx_n_s__sym));
-  PyTuple_SET_ITEM(__pyx_k_tuple_142, 0, ((PyObject *)__pyx_n_s__sym));
-  __Pyx_GIVEREF(((PyObject *)__pyx_n_s__sym));
-  __Pyx_INCREF(((PyObject *)__pyx_n_s__sym));
-  PyTuple_SET_ITEM(__pyx_k_tuple_142, 1, ((PyObject *)__pyx_n_s__sym));
-  __Pyx_GIVEREF(((PyObject *)__pyx_n_s__sym));
-  __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_142));
-  __pyx_k_codeobj_143 = (PyObject*)__Pyx_PyCode_New(1, 0, 2, 0, 0, __pyx_empty_bytes, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_k_tuple_142, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_kp_s_139, __pyx_n_s__sym_isvar, 97, __pyx_empty_bytes); if (unlikely(!__pyx_k_codeobj_143)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 97; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_137));
+  __pyx_k_codeobj_138 = (PyObject*)__Pyx_PyCode_New(2, 0, 2, 0, 0, __pyx_empty_bytes, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_k_tuple_137, __pyx_empty_tuple, __pyx_empty_tuple, __pyx_kp_s_139, __pyx_n_s__sym_fromstring, 104, __pyx_empty_bytes); if (unlikely(!__pyx_k_codeobj_138)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 104; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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@@ -60356,11 +60541,11 @@ static int __Pyx_InitGlobals(void) {
 }
 
 #if PY_MAJOR_VERSION < 3
-PyMODINIT_FUNC init_cdec_sa(void); /*proto*/
-PyMODINIT_FUNC init_cdec_sa(void)
+PyMODINIT_FUNC init_sa(void); /*proto*/
+PyMODINIT_FUNC init_sa(void)
 #else
-PyMODINIT_FUNC PyInit__cdec_sa(void); /*proto*/
-PyMODINIT_FUNC PyInit__cdec_sa(void)
+PyMODINIT_FUNC PyInit__sa(void); /*proto*/
+PyMODINIT_FUNC PyInit__sa(void)
 #endif
 {
   PyObject *__pyx_t_1 = NULL;
@@ -60377,7 +60562,7 @@ PyMODINIT_FUNC PyInit__cdec_sa(void)
           Py_FatalError("failed to import 'refnanny' module");
   }
   #endif
-  __Pyx_RefNannySetupContext("PyMODINIT_FUNC PyInit__cdec_sa(void)", 0);
+  __Pyx_RefNannySetupContext("PyMODINIT_FUNC PyInit__sa(void)", 0);
   if ( __Pyx_check_binary_version() < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_empty_tuple = PyTuple_New(0); if (unlikely(!__pyx_empty_tuple)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_empty_bytes = PyBytes_FromStringAndSize("", 0); if (unlikely(!__pyx_empty_bytes)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
@@ -60399,7 +60584,7 @@ PyMODINIT_FUNC PyInit__cdec_sa(void)
   #endif
   /*--- Module creation code ---*/
   #if PY_MAJOR_VERSION < 3
-  __pyx_m = Py_InitModule4(__Pyx_NAMESTR("_cdec_sa"), __pyx_methods, 0, 0, PYTHON_API_VERSION);
+  __pyx_m = Py_InitModule4(__Pyx_NAMESTR("_sa"), __pyx_methods, 0, 0, PYTHON_API_VERSION);
   #else
   __pyx_m = PyModule_Create(&__pyx_moduledef);
   #endif
@@ -60409,10 +60594,13 @@ PyMODINIT_FUNC PyInit__cdec_sa(void)
   #endif
   __pyx_b = PyImport_AddModule(__Pyx_NAMESTR(__Pyx_BUILTIN_MODULE_NAME));
   if (!__pyx_b) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
+  #if CYTHON_COMPILING_IN_PYPY
+  Py_INCREF(__pyx_b);
+  #endif
   if (__Pyx_SetAttrString(__pyx_m, "__builtins__", __pyx_b) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
   /*--- Initialize various global constants etc. ---*/
   if (unlikely(__Pyx_InitGlobals() < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  if (__pyx_module_is_main__cdec_sa) {
+  if (__pyx_module_is_main__sa) {
     if (__Pyx_SetAttrString(__pyx_m, "__name__", __pyx_n_s____main__) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
   }
   /*--- Builtin init code ---*/
@@ -60420,180 +60608,186 @@ PyMODINIT_FUNC PyInit__cdec_sa(void)
   /*--- Constants init code ---*/
   if (unlikely(__Pyx_InitCachedConstants() < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   /*--- Global init code ---*/
-  __pyx_v_8_cdec_sa_ALPHABET = ((struct __pyx_obj_8_cdec_sa_Alphabet *)Py_None); Py_INCREF(Py_None);
+  __pyx_v_3_sa_ALPHABET = ((struct __pyx_obj_3_sa_Alphabet *)Py_None); Py_INCREF(Py_None);
   /*--- Variable export code ---*/
   /*--- Function export code ---*/
+  if (__Pyx_ExportFunction("sym_tostring", (void (*)(void))__pyx_f_3_sa_sym_tostring, "char *(int)") < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (__Pyx_ExportFunction("sym_tocat", (void (*)(void))__pyx_f_3_sa_sym_tocat, "char *(int)") < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (__Pyx_ExportFunction("sym_isvar", (void (*)(void))__pyx_f_3_sa_sym_isvar, "int (int)") < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (__Pyx_ExportFunction("sym_getindex", (void (*)(void))__pyx_f_3_sa_sym_getindex, "int (int)") < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   /*--- Type init code ---*/
-  __pyx_vtabptr_8_cdec_sa_FloatList = &__pyx_vtable_8_cdec_sa_FloatList;
-  __pyx_vtable_8_cdec_sa_FloatList.set = (void (*)(struct __pyx_obj_8_cdec_sa_FloatList *, int, float))__pyx_f_8_cdec_sa_9FloatList_set;
-  __pyx_vtable_8_cdec_sa_FloatList.write_handle = (void (*)(struct __pyx_obj_8_cdec_sa_FloatList *, FILE *))__pyx_f_8_cdec_sa_9FloatList_write_handle;
-  __pyx_vtable_8_cdec_sa_FloatList.read_handle = (void (*)(struct __pyx_obj_8_cdec_sa_FloatList *, FILE *))__pyx_f_8_cdec_sa_9FloatList_read_handle;
-  if (PyType_Ready(&__pyx_type_8_cdec_sa_FloatList) < 0) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 9; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  if (__Pyx_SetVtable(__pyx_type_8_cdec_sa_FloatList.tp_dict, __pyx_vtabptr_8_cdec_sa_FloatList) < 0) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 9; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  if (__Pyx_SetAttrString(__pyx_m, "FloatList", (PyObject *)&__pyx_type_8_cdec_sa_FloatList) < 0) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 9; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __pyx_ptype_8_cdec_sa_FloatList = &__pyx_type_8_cdec_sa_FloatList;
-  __pyx_vtabptr_8_cdec_sa_IntList = &__pyx_vtable_8_cdec_sa_IntList;
-  __pyx_vtable_8_cdec_sa_IntList.set = (void (*)(struct __pyx_obj_8_cdec_sa_IntList *, int, int))__pyx_f_8_cdec_sa_7IntList_set;
-  __pyx_vtable_8_cdec_sa_IntList._append = (void (*)(struct __pyx_obj_8_cdec_sa_IntList *, int))__pyx_f_8_cdec_sa_7IntList__append;
-  __pyx_vtable_8_cdec_sa_IntList._extend = (void (*)(struct __pyx_obj_8_cdec_sa_IntList *, struct __pyx_obj_8_cdec_sa_IntList *))__pyx_f_8_cdec_sa_7IntList__extend;
-  __pyx_vtable_8_cdec_sa_IntList._extend_arr = (void (*)(struct __pyx_obj_8_cdec_sa_IntList *, int *, int))__pyx_f_8_cdec_sa_7IntList__extend_arr;
-  __pyx_vtable_8_cdec_sa_IntList._clear = (void (*)(struct __pyx_obj_8_cdec_sa_IntList *))__pyx_f_8_cdec_sa_7IntList__clear;
-  __pyx_vtable_8_cdec_sa_IntList.write_handle = (void (*)(struct __pyx_obj_8_cdec_sa_IntList *, FILE *))__pyx_f_8_cdec_sa_7IntList_write_handle;
-  __pyx_vtable_8_cdec_sa_IntList.read_handle = (void (*)(struct __pyx_obj_8_cdec_sa_IntList *, FILE *))__pyx_f_8_cdec_sa_7IntList_read_handle;
-  if (PyType_Ready(&__pyx_type_8_cdec_sa_IntList) < 0) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 9; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  if (__Pyx_SetVtable(__pyx_type_8_cdec_sa_IntList.tp_dict, __pyx_vtabptr_8_cdec_sa_IntList) < 0) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 9; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  if (__Pyx_SetAttrString(__pyx_m, "IntList", (PyObject *)&__pyx_type_8_cdec_sa_IntList) < 0) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 9; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __pyx_ptype_8_cdec_sa_IntList = &__pyx_type_8_cdec_sa_IntList;
-  __pyx_vtabptr_8_cdec_sa_StringMap = &__pyx_vtable_8_cdec_sa_StringMap;
-  __pyx_vtable_8_cdec_sa_StringMap.word = (char *(*)(struct __pyx_obj_8_cdec_sa_StringMap *, int))__pyx_f_8_cdec_sa_9StringMap_word;
-  __pyx_vtable_8_cdec_sa_StringMap.index = (int (*)(struct __pyx_obj_8_cdec_sa_StringMap *, char *))__pyx_f_8_cdec_sa_9StringMap_index;
-  if (PyType_Ready(&__pyx_type_8_cdec_sa_StringMap) < 0) {__pyx_filename = __pyx_f[13]; __pyx_lineno = 8; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  if (__Pyx_SetVtable(__pyx_type_8_cdec_sa_StringMap.tp_dict, __pyx_vtabptr_8_cdec_sa_StringMap) < 0) {__pyx_filename = __pyx_f[13]; __pyx_lineno = 8; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  if (__Pyx_SetAttrString(__pyx_m, "StringMap", (PyObject *)&__pyx_type_8_cdec_sa_StringMap) < 0) {__pyx_filename = __pyx_f[13]; __pyx_lineno = 8; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __pyx_ptype_8_cdec_sa_StringMap = &__pyx_type_8_cdec_sa_StringMap;
-  __pyx_vtabptr_8_cdec_sa_DataArray = &__pyx_vtable_8_cdec_sa_DataArray;
-  __pyx_vtable_8_cdec_sa_DataArray.read_handle = (void (*)(struct __pyx_obj_8_cdec_sa_DataArray *, FILE *))__pyx_f_8_cdec_sa_9DataArray_read_handle;
-  __pyx_vtable_8_cdec_sa_DataArray.write_handle = (void (*)(struct __pyx_obj_8_cdec_sa_DataArray *, FILE *))__pyx_f_8_cdec_sa_9DataArray_write_handle;
-  if (PyType_Ready(&__pyx_type_8_cdec_sa_DataArray) < 0) {__pyx_filename = __pyx_f[3]; __pyx_lineno = 9; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  if (__Pyx_SetVtable(__pyx_type_8_cdec_sa_DataArray.tp_dict, __pyx_vtabptr_8_cdec_sa_DataArray) < 0) {__pyx_filename = __pyx_f[3]; __pyx_lineno = 9; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  if (__Pyx_SetAttrString(__pyx_m, "DataArray", (PyObject *)&__pyx_type_8_cdec_sa_DataArray) < 0) {__pyx_filename = __pyx_f[3]; __pyx_lineno = 9; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __pyx_ptype_8_cdec_sa_DataArray = &__pyx_type_8_cdec_sa_DataArray;
-  __pyx_vtabptr_8_cdec_sa_Alignment = &__pyx_vtable_8_cdec_sa_Alignment;
-  __pyx_vtable_8_cdec_sa_Alignment.link = (int (*)(struct __pyx_obj_8_cdec_sa_Alignment *, int, int))__pyx_f_8_cdec_sa_9Alignment_link;
-  __pyx_vtable_8_cdec_sa_Alignment._unlink = (PyObject *(*)(struct __pyx_obj_8_cdec_sa_Alignment *, int, int *, int *))__pyx_f_8_cdec_sa_9Alignment__unlink;
-  __pyx_vtable_8_cdec_sa_Alignment._get_sent_links = (int *(*)(struct __pyx_obj_8_cdec_sa_Alignment *, int, int *))__pyx_f_8_cdec_sa_9Alignment__get_sent_links;
-  if (PyType_Ready(&__pyx_type_8_cdec_sa_Alignment) < 0) {__pyx_filename = __pyx_f[4]; __pyx_lineno = 8; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  if (__Pyx_SetVtable(__pyx_type_8_cdec_sa_Alignment.tp_dict, __pyx_vtabptr_8_cdec_sa_Alignment) < 0) {__pyx_filename = __pyx_f[4]; __pyx_lineno = 8; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  if (__Pyx_SetAttrString(__pyx_m, "Alignment", (PyObject *)&__pyx_type_8_cdec_sa_Alignment) < 0) {__pyx_filename = __pyx_f[4]; __pyx_lineno = 8; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __pyx_ptype_8_cdec_sa_Alignment = &__pyx_type_8_cdec_sa_Alignment;
-  __pyx_vtabptr_8_cdec_sa_BiLex = &__pyx_vtable_8_cdec_sa_BiLex;
-  __pyx_vtable_8_cdec_sa_BiLex.compute_from_data = (PyObject *(*)(struct __pyx_obj_8_cdec_sa_BiLex *, struct __pyx_obj_8_cdec_sa_SuffixArray *, struct __pyx_obj_8_cdec_sa_DataArray *, struct __pyx_obj_8_cdec_sa_Alignment *))__pyx_f_8_cdec_sa_5BiLex_compute_from_data;
-  __pyx_vtable_8_cdec_sa_BiLex._add_node = (PyObject *(*)(struct __pyx_obj_8_cdec_sa_BiLex *, struct __pyx_t_8_cdec_sa__node *, int *, float, int *))__pyx_f_8_cdec_sa_5BiLex__add_node;
-  __pyx_vtable_8_cdec_sa_BiLex.write_wordlist = (PyObject *(*)(struct __pyx_obj_8_cdec_sa_BiLex *, PyObject *, FILE *))__pyx_f_8_cdec_sa_5BiLex_write_wordlist;
-  __pyx_vtable_8_cdec_sa_BiLex.read_wordlist = (PyObject *(*)(struct __pyx_obj_8_cdec_sa_BiLex *, PyObject *, PyObject *, FILE *))__pyx_f_8_cdec_sa_5BiLex_read_wordlist;
-  __pyx_vtable_8_cdec_sa_BiLex.swap = (PyObject *(*)(struct __pyx_obj_8_cdec_sa_BiLex *, int, int))__pyx_f_8_cdec_sa_5BiLex_swap;
-  __pyx_vtable_8_cdec_sa_BiLex.qsort = (PyObject *(*)(struct __pyx_obj_8_cdec_sa_BiLex *, int, int, PyObject *))__pyx_f_8_cdec_sa_5BiLex_qsort;
-  if (PyType_Ready(&__pyx_type_8_cdec_sa_BiLex) < 0) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 47; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  if (__Pyx_SetVtable(__pyx_type_8_cdec_sa_BiLex.tp_dict, __pyx_vtabptr_8_cdec_sa_BiLex) < 0) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 47; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  if (__Pyx_SetAttrString(__pyx_m, "BiLex", (PyObject *)&__pyx_type_8_cdec_sa_BiLex) < 0) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 47; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __pyx_ptype_8_cdec_sa_BiLex = &__pyx_type_8_cdec_sa_BiLex;
-  if (PyType_Ready(&__pyx_type_8_cdec_sa_BitSetIterator) < 0) {__pyx_filename = __pyx_f[6]; __pyx_lineno = 100; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  if (__Pyx_SetAttrString(__pyx_m, "BitSetIterator", (PyObject *)&__pyx_type_8_cdec_sa_BitSetIterator) < 0) {__pyx_filename = __pyx_f[6]; __pyx_lineno = 100; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __pyx_ptype_8_cdec_sa_BitSetIterator = &__pyx_type_8_cdec_sa_BitSetIterator;
-  if (PyType_Ready(&__pyx_type_8_cdec_sa_BitSet) < 0) {__pyx_filename = __pyx_f[6]; __pyx_lineno = 118; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  if (__Pyx_SetAttrString(__pyx_m, "BitSet", (PyObject *)&__pyx_type_8_cdec_sa_BitSet) < 0) {__pyx_filename = __pyx_f[6]; __pyx_lineno = 118; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __pyx_ptype_8_cdec_sa_BitSet = &__pyx_type_8_cdec_sa_BitSet;
-  if (PyType_Ready(&__pyx_type_8_cdec_sa_VEBIterator) < 0) {__pyx_filename = __pyx_f[6]; __pyx_lineno = 340; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  if (__Pyx_SetAttrString(__pyx_m, "VEBIterator", (PyObject *)&__pyx_type_8_cdec_sa_VEBIterator) < 0) {__pyx_filename = __pyx_f[6]; __pyx_lineno = 340; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __pyx_ptype_8_cdec_sa_VEBIterator = &__pyx_type_8_cdec_sa_VEBIterator;
-  __pyx_vtabptr_8_cdec_sa_VEB = &__pyx_vtable_8_cdec_sa_VEB;
-  __pyx_vtable_8_cdec_sa_VEB._findsucc = (int (*)(struct __pyx_obj_8_cdec_sa_VEB *, int))__pyx_f_8_cdec_sa_3VEB__findsucc;
-  __pyx_vtable_8_cdec_sa_VEB._insert = (int (*)(struct __pyx_obj_8_cdec_sa_VEB *, int))__pyx_f_8_cdec_sa_3VEB__insert;
-  __pyx_vtable_8_cdec_sa_VEB._first = (int (*)(struct __pyx_obj_8_cdec_sa_VEB *))__pyx_f_8_cdec_sa_3VEB__first;
-  if (PyType_Ready(&__pyx_type_8_cdec_sa_VEB) < 0) {__pyx_filename = __pyx_f[6]; __pyx_lineno = 354; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  if (__Pyx_SetVtable(__pyx_type_8_cdec_sa_VEB.tp_dict, __pyx_vtabptr_8_cdec_sa_VEB) < 0) {__pyx_filename = __pyx_f[6]; __pyx_lineno = 354; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  if (__Pyx_SetAttrString(__pyx_m, "VEB", (PyObject *)&__pyx_type_8_cdec_sa_VEB) < 0) {__pyx_filename = __pyx_f[6]; __pyx_lineno = 354; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __pyx_ptype_8_cdec_sa_VEB = &__pyx_type_8_cdec_sa_VEB;
-  if (PyType_Ready(&__pyx_type_8_cdec_sa_LCP) < 0) {__pyx_filename = __pyx_f[9]; __pyx_lineno = 5; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  if (__Pyx_SetAttrString(__pyx_m, "LCP", (PyObject *)&__pyx_type_8_cdec_sa_LCP) < 0) {__pyx_filename = __pyx_f[9]; __pyx_lineno = 5; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __pyx_ptype_8_cdec_sa_LCP = &__pyx_type_8_cdec_sa_LCP;
-  __pyx_vtabptr_8_cdec_sa_Alphabet = &__pyx_vtable_8_cdec_sa_Alphabet;
-  __pyx_vtable_8_cdec_sa_Alphabet.isvar = (int (*)(struct __pyx_obj_8_cdec_sa_Alphabet *, int))__pyx_f_8_cdec_sa_8Alphabet_isvar;
-  __pyx_vtable_8_cdec_sa_Alphabet.isword = (int (*)(struct __pyx_obj_8_cdec_sa_Alphabet *, int))__pyx_f_8_cdec_sa_8Alphabet_isword;
-  __pyx_vtable_8_cdec_sa_Alphabet.getindex = (int (*)(struct __pyx_obj_8_cdec_sa_Alphabet *, int))__pyx_f_8_cdec_sa_8Alphabet_getindex;
-  __pyx_vtable_8_cdec_sa_Alphabet.setindex = (int (*)(struct __pyx_obj_8_cdec_sa_Alphabet *, int, int))__pyx_f_8_cdec_sa_8Alphabet_setindex;
-  __pyx_vtable_8_cdec_sa_Alphabet.clearindex = (int (*)(struct __pyx_obj_8_cdec_sa_Alphabet *, int))__pyx_f_8_cdec_sa_8Alphabet_clearindex;
-  __pyx_vtable_8_cdec_sa_Alphabet.match = (int (*)(struct __pyx_obj_8_cdec_sa_Alphabet *, int, int))__pyx_f_8_cdec_sa_8Alphabet_match;
-  __pyx_vtable_8_cdec_sa_Alphabet.tocat = (char *(*)(struct __pyx_obj_8_cdec_sa_Alphabet *, int))__pyx_f_8_cdec_sa_8Alphabet_tocat;
-  __pyx_vtable_8_cdec_sa_Alphabet.fromcat = (int (*)(struct __pyx_obj_8_cdec_sa_Alphabet *, char *))__pyx_f_8_cdec_sa_8Alphabet_fromcat;
-  __pyx_vtable_8_cdec_sa_Alphabet.tostring = (char *(*)(struct __pyx_obj_8_cdec_sa_Alphabet *, int))__pyx_f_8_cdec_sa_8Alphabet_tostring;
-  __pyx_vtable_8_cdec_sa_Alphabet.fromstring = (int (*)(struct __pyx_obj_8_cdec_sa_Alphabet *, char *, int))__pyx_f_8_cdec_sa_8Alphabet_fromstring;
-  if (PyType_Ready(&__pyx_type_8_cdec_sa_Alphabet) < 0) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 7; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  if (__Pyx_SetVtable(__pyx_type_8_cdec_sa_Alphabet.tp_dict, __pyx_vtabptr_8_cdec_sa_Alphabet) < 0) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 7; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  if (__Pyx_SetAttrString(__pyx_m, "Alphabet", (PyObject *)&__pyx_type_8_cdec_sa_Alphabet) < 0) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 7; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __pyx_ptype_8_cdec_sa_Alphabet = &__pyx_type_8_cdec_sa_Alphabet;
-  __pyx_vtabptr_8_cdec_sa_Phrase = &__pyx_vtable_8_cdec_sa_Phrase;
-  __pyx_vtable_8_cdec_sa_Phrase.chunkpos = (int (*)(struct __pyx_obj_8_cdec_sa_Phrase *, int))__pyx_f_8_cdec_sa_6Phrase_chunkpos;
-  __pyx_vtable_8_cdec_sa_Phrase.chunklen = (int (*)(struct __pyx_obj_8_cdec_sa_Phrase *, int))__pyx_f_8_cdec_sa_6Phrase_chunklen;
-  if (PyType_Ready(&__pyx_type_8_cdec_sa_Phrase) < 0) {__pyx_filename = __pyx_f[7]; __pyx_lineno = 4; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  if (__Pyx_SetVtable(__pyx_type_8_cdec_sa_Phrase.tp_dict, __pyx_vtabptr_8_cdec_sa_Phrase) < 0) {__pyx_filename = __pyx_f[7]; __pyx_lineno = 4; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  if (__Pyx_SetAttrString(__pyx_m, "Phrase", (PyObject *)&__pyx_type_8_cdec_sa_Phrase) < 0) {__pyx_filename = __pyx_f[7]; __pyx_lineno = 4; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __pyx_ptype_8_cdec_sa_Phrase = &__pyx_type_8_cdec_sa_Phrase;
-  if (PyType_Ready(&__pyx_type_8_cdec_sa_Rule) < 0) {__pyx_filename = __pyx_f[7]; __pyx_lineno = 159; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  if (__Pyx_SetAttrString(__pyx_m, "Rule", (PyObject *)&__pyx_type_8_cdec_sa_Rule) < 0) {__pyx_filename = __pyx_f[7]; __pyx_lineno = 159; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __pyx_ptype_8_cdec_sa_Rule = &__pyx_type_8_cdec_sa_Rule;
-  __pyx_vtabptr_8_cdec_sa_TrieMap = &__pyx_vtable_8_cdec_sa_TrieMap;
-  __pyx_vtable_8_cdec_sa_TrieMap._insert = (struct __pyx_t_8_cdec_sa__Trie_Node *(*)(struct __pyx_obj_8_cdec_sa_TrieMap *, int *, int))__pyx_f_8_cdec_sa_7TrieMap__insert;
-  __pyx_vtable_8_cdec_sa_TrieMap._contains = (struct __pyx_t_8_cdec_sa__Trie_Node *(*)(struct __pyx_obj_8_cdec_sa_TrieMap *, int *, int))__pyx_f_8_cdec_sa_7TrieMap__contains;
-  if (PyType_Ready(&__pyx_type_8_cdec_sa_TrieMap) < 0) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 109; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  if (__Pyx_SetVtable(__pyx_type_8_cdec_sa_TrieMap.tp_dict, __pyx_vtabptr_8_cdec_sa_TrieMap) < 0) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 109; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  if (__Pyx_SetAttrString(__pyx_m, "TrieMap", (PyObject *)&__pyx_type_8_cdec_sa_TrieMap) < 0) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 109; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __pyx_ptype_8_cdec_sa_TrieMap = &__pyx_type_8_cdec_sa_TrieMap;
-  __pyx_vtabptr_8_cdec_sa_Precomputation = &__pyx_vtable_8_cdec_sa_Precomputation;
-  __pyx_vtable_8_cdec_sa_Precomputation.read_map = (PyObject *(*)(struct __pyx_obj_8_cdec_sa_Precomputation *, FILE *))__pyx_f_8_cdec_sa_14Precomputation_read_map;
-  __pyx_vtable_8_cdec_sa_Precomputation.write_map = (PyObject *(*)(struct __pyx_obj_8_cdec_sa_Precomputation *, PyObject *, FILE *))__pyx_f_8_cdec_sa_14Precomputation_write_map;
-  if (PyType_Ready(&__pyx_type_8_cdec_sa_Precomputation) < 0) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 188; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  if (__Pyx_SetVtable(__pyx_type_8_cdec_sa_Precomputation.tp_dict, __pyx_vtabptr_8_cdec_sa_Precomputation) < 0) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 188; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  if (__Pyx_SetAttrString(__pyx_m, "Precomputation", (PyObject *)&__pyx_type_8_cdec_sa_Precomputation) < 0) {__pyx_filename = __pyx_f[11]; __pyx_lineno = 188; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __pyx_ptype_8_cdec_sa_Precomputation = &__pyx_type_8_cdec_sa_Precomputation;
-  __pyx_vtabptr_8_cdec_sa_SuffixArray = &__pyx_vtable_8_cdec_sa_SuffixArray;
-  __pyx_vtable_8_cdec_sa_SuffixArray.__pyx___search_high = (int (*)(struct __pyx_obj_8_cdec_sa_SuffixArray *, int, int, int, int))__pyx_f_8_cdec_sa_11SuffixArray___search_high;
-  __pyx_vtable_8_cdec_sa_SuffixArray.__pyx___search_low = (int (*)(struct __pyx_obj_8_cdec_sa_SuffixArray *, int, int, int, int))__pyx_f_8_cdec_sa_11SuffixArray___search_low;
-  __pyx_vtable_8_cdec_sa_SuffixArray.__pyx___get_range = (PyObject *(*)(struct __pyx_obj_8_cdec_sa_SuffixArray *, int, int, int, int, int))__pyx_f_8_cdec_sa_11SuffixArray___get_range;
-  __pyx_vtable_8_cdec_sa_SuffixArray.__pyx___lookup_helper = (PyObject *(*)(struct __pyx_obj_8_cdec_sa_SuffixArray *, int, int, int, int))__pyx_f_8_cdec_sa_11SuffixArray___lookup_helper;
-  if (PyType_Ready(&__pyx_type_8_cdec_sa_SuffixArray) < 0) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 6; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  if (__Pyx_SetVtable(__pyx_type_8_cdec_sa_SuffixArray.tp_dict, __pyx_vtabptr_8_cdec_sa_SuffixArray) < 0) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 6; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  if (__Pyx_SetAttrString(__pyx_m, "SuffixArray", (PyObject *)&__pyx_type_8_cdec_sa_SuffixArray) < 0) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 6; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __pyx_ptype_8_cdec_sa_SuffixArray = &__pyx_type_8_cdec_sa_SuffixArray;
-  if (PyType_Ready(&__pyx_type_8_cdec_sa_TrieNode) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 18; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  if (__Pyx_SetAttrString(__pyx_m, "TrieNode", (PyObject *)&__pyx_type_8_cdec_sa_TrieNode) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 18; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __pyx_ptype_8_cdec_sa_TrieNode = &__pyx_type_8_cdec_sa_TrieNode;
-  __pyx_type_8_cdec_sa_ExtendedTrieNode.tp_base = __pyx_ptype_8_cdec_sa_TrieNode;
-  if (PyType_Ready(&__pyx_type_8_cdec_sa_ExtendedTrieNode) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 24; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  if (__Pyx_SetAttrString(__pyx_m, "ExtendedTrieNode", (PyObject *)&__pyx_type_8_cdec_sa_ExtendedTrieNode) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 24; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __pyx_ptype_8_cdec_sa_ExtendedTrieNode = &__pyx_type_8_cdec_sa_ExtendedTrieNode;
-  if (PyType_Ready(&__pyx_type_8_cdec_sa_TrieTable) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 35; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  if (__Pyx_SetAttrString(__pyx_m, "TrieTable", (PyObject *)&__pyx_type_8_cdec_sa_TrieTable) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 35; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __pyx_ptype_8_cdec_sa_TrieTable = &__pyx_type_8_cdec_sa_TrieTable;
-  __pyx_vtabptr_8_cdec_sa_PhraseLocation = &__pyx_vtable_8_cdec_sa_PhraseLocation;
-  __pyx_vtable_8_cdec_sa_PhraseLocation.contains = (int (*)(struct __pyx_obj_8_cdec_sa_PhraseLocation *, int))__pyx_f_8_cdec_sa_14PhraseLocation_contains;
-  if (PyType_Ready(&__pyx_type_8_cdec_sa_PhraseLocation) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 56; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  if (__Pyx_SetVtable(__pyx_type_8_cdec_sa_PhraseLocation.tp_dict, __pyx_vtabptr_8_cdec_sa_PhraseLocation) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 56; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  if (__Pyx_SetAttrString(__pyx_m, "PhraseLocation", (PyObject *)&__pyx_type_8_cdec_sa_PhraseLocation) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 56; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __pyx_ptype_8_cdec_sa_PhraseLocation = &__pyx_type_8_cdec_sa_PhraseLocation;
-  if (PyType_Ready(&__pyx_type_8_cdec_sa_Sampler) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 79; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  if (__Pyx_SetAttrString(__pyx_m, "Sampler", (PyObject *)&__pyx_type_8_cdec_sa_Sampler) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 79; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __pyx_ptype_8_cdec_sa_Sampler = &__pyx_type_8_cdec_sa_Sampler;
-  __pyx_vtabptr_8_cdec_sa_HieroCachingRuleFactory = &__pyx_vtable_8_cdec_sa_HieroCachingRuleFactory;
-  __pyx_vtable_8_cdec_sa_HieroCachingRuleFactory.set_idmap = (PyObject *(*)(struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *, struct __pyx_obj_8_cdec_sa_DataArray *))__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_set_idmap;
-  __pyx_vtable_8_cdec_sa_HieroCachingRuleFactory.baeza_yates_helper = (int *(*)(struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *, int, int, int *, int, int, int, int *, int, int, int, int, int *))__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_baeza_yates_helper;
-  __pyx_vtable_8_cdec_sa_HieroCachingRuleFactory.compare_matchings_set = (long (*)(struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *, int, int, int *, int, struct __pyx_t_8_cdec_sa_Matching *, int, int))__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_compare_matchings_set;
-  __pyx_vtable_8_cdec_sa_HieroCachingRuleFactory.compare_matchings = (long (*)(struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *, struct __pyx_t_8_cdec_sa_Matching *, struct __pyx_t_8_cdec_sa_Matching *, int, int))__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_compare_matchings;
-  __pyx_vtable_8_cdec_sa_HieroCachingRuleFactory.merge_helper = (int *(*)(struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *, int, int, int *, int, int, int, int *, int, int, int, int, int *))__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_merge_helper;
-  __pyx_vtable_8_cdec_sa_HieroCachingRuleFactory.sort_phrase_loc = (void (*)(struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *, struct __pyx_obj_8_cdec_sa_IntList *, struct __pyx_obj_8_cdec_sa_PhraseLocation *, struct __pyx_obj_8_cdec_sa_Phrase *))__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_sort_phrase_loc;
-  __pyx_vtable_8_cdec_sa_HieroCachingRuleFactory.intersect_helper = (PyObject *(*)(struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *, struct __pyx_obj_8_cdec_sa_Phrase *, struct __pyx_obj_8_cdec_sa_Phrase *, struct __pyx_obj_8_cdec_sa_PhraseLocation *, struct __pyx_obj_8_cdec_sa_PhraseLocation *, int))__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_intersect_helper;
-  __pyx_vtable_8_cdec_sa_HieroCachingRuleFactory.loc2str = (PyObject *(*)(struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *, struct __pyx_obj_8_cdec_sa_PhraseLocation *))__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_loc2str;
-  __pyx_vtable_8_cdec_sa_HieroCachingRuleFactory.intersect = (struct __pyx_obj_8_cdec_sa_PhraseLocation *(*)(struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *, PyObject *, PyObject *, struct __pyx_obj_8_cdec_sa_Phrase *))__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_intersect;
-  __pyx_vtable_8_cdec_sa_HieroCachingRuleFactory.find_fixpoint = (int (*)(struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *, int, PyObject *, int *, int *, int *, int *, int, int, int *, int *, int *, int *, int, int, int, int, int, int, int, int, int, int, int))__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_find_fixpoint;
-  __pyx_vtable_8_cdec_sa_HieroCachingRuleFactory.find_projection = (PyObject *(*)(struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *, int, int, int *, int *, int *, int *))__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_find_projection;
-  __pyx_vtable_8_cdec_sa_HieroCachingRuleFactory.int_arr_extend = (int *(*)(struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *, int *, int *, int *, int))__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_int_arr_extend;
-  __pyx_vtable_8_cdec_sa_HieroCachingRuleFactory.extract_phrases = (PyObject *(*)(struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *, int, int, int *, int *, int *, int, int, int, int *, int *, int *, int, int, int))__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract_phrases;
-  __pyx_vtable_8_cdec_sa_HieroCachingRuleFactory.create_alignments = (PyObject *(*)(struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *, int *, int, PyObject *, PyObject *))__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_create_alignments;
-  __pyx_vtable_8_cdec_sa_HieroCachingRuleFactory.extract = (PyObject *(*)(struct __pyx_obj_8_cdec_sa_HieroCachingRuleFactory *, struct __pyx_obj_8_cdec_sa_Phrase *, struct __pyx_t_8_cdec_sa_Matching *, int *, int))__pyx_f_8_cdec_sa_23HieroCachingRuleFactory_extract;
-  if (PyType_Ready(&__pyx_type_8_cdec_sa_HieroCachingRuleFactory) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 201; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  if (__Pyx_SetVtable(__pyx_type_8_cdec_sa_HieroCachingRuleFactory.tp_dict, __pyx_vtabptr_8_cdec_sa_HieroCachingRuleFactory) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 201; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  if (__Pyx_SetAttrString(__pyx_m, "HieroCachingRuleFactory", (PyObject *)&__pyx_type_8_cdec_sa_HieroCachingRuleFactory) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 201; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __pyx_ptype_8_cdec_sa_HieroCachingRuleFactory = &__pyx_type_8_cdec_sa_HieroCachingRuleFactory;
-  if (PyType_Ready(&__pyx_type_8_cdec_sa___pyx_scope_struct__compute_stats) < 0) {__pyx_filename = __pyx_f[9]; __pyx_lineno = 36; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __pyx_ptype_8_cdec_sa___pyx_scope_struct__compute_stats = &__pyx_type_8_cdec_sa___pyx_scope_struct__compute_stats;
-  if (PyType_Ready(&__pyx_type_8_cdec_sa___pyx_scope_struct_1_input) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 919; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __pyx_ptype_8_cdec_sa___pyx_scope_struct_1_input = &__pyx_type_8_cdec_sa___pyx_scope_struct_1_input;
+  __pyx_vtabptr_3_sa_Phrase = &__pyx_vtable_3_sa_Phrase;
+  __pyx_vtable_3_sa_Phrase.chunkpos = (int (*)(struct __pyx_obj_3_sa_Phrase *, int))__pyx_f_3_sa_6Phrase_chunkpos;
+  __pyx_vtable_3_sa_Phrase.chunklen = (int (*)(struct __pyx_obj_3_sa_Phrase *, int))__pyx_f_3_sa_6Phrase_chunklen;
+  if (PyType_Ready(&__pyx_type_3_sa_Phrase) < 0) {__pyx_filename = __pyx_f[7]; __pyx_lineno = 4; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (__Pyx_SetVtable(__pyx_type_3_sa_Phrase.tp_dict, __pyx_vtabptr_3_sa_Phrase) < 0) {__pyx_filename = __pyx_f[7]; __pyx_lineno = 4; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (__Pyx_SetAttrString(__pyx_m, "Phrase", (PyObject *)&__pyx_type_3_sa_Phrase) < 0) {__pyx_filename = __pyx_f[7]; __pyx_lineno = 4; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_ptype_3_sa_Phrase = &__pyx_type_3_sa_Phrase;
+  if (PyType_Ready(&__pyx_type_3_sa_Rule) < 0) {__pyx_filename = __pyx_f[7]; __pyx_lineno = 159; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (__Pyx_SetAttrString(__pyx_m, "Rule", (PyObject *)&__pyx_type_3_sa_Rule) < 0) {__pyx_filename = __pyx_f[7]; __pyx_lineno = 159; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_ptype_3_sa_Rule = &__pyx_type_3_sa_Rule;
+  __pyx_vtabptr_3_sa_FloatList = &__pyx_vtable_3_sa_FloatList;
+  __pyx_vtable_3_sa_FloatList.set = (void (*)(struct __pyx_obj_3_sa_FloatList *, int, float))__pyx_f_3_sa_9FloatList_set;
+  __pyx_vtable_3_sa_FloatList.write_handle = (void (*)(struct __pyx_obj_3_sa_FloatList *, FILE *))__pyx_f_3_sa_9FloatList_write_handle;
+  __pyx_vtable_3_sa_FloatList.read_handle = (void (*)(struct __pyx_obj_3_sa_FloatList *, FILE *))__pyx_f_3_sa_9FloatList_read_handle;
+  if (PyType_Ready(&__pyx_type_3_sa_FloatList) < 0) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 9; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (__Pyx_SetVtable(__pyx_type_3_sa_FloatList.tp_dict, __pyx_vtabptr_3_sa_FloatList) < 0) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 9; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (__Pyx_SetAttrString(__pyx_m, "FloatList", (PyObject *)&__pyx_type_3_sa_FloatList) < 0) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 9; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_ptype_3_sa_FloatList = &__pyx_type_3_sa_FloatList;
+  __pyx_vtabptr_3_sa_IntList = &__pyx_vtable_3_sa_IntList;
+  __pyx_vtable_3_sa_IntList.set = (void (*)(struct __pyx_obj_3_sa_IntList *, int, int))__pyx_f_3_sa_7IntList_set;
+  __pyx_vtable_3_sa_IntList._append = (void (*)(struct __pyx_obj_3_sa_IntList *, int))__pyx_f_3_sa_7IntList__append;
+  __pyx_vtable_3_sa_IntList._extend = (void (*)(struct __pyx_obj_3_sa_IntList *, struct __pyx_obj_3_sa_IntList *))__pyx_f_3_sa_7IntList__extend;
+  __pyx_vtable_3_sa_IntList._extend_arr = (void (*)(struct __pyx_obj_3_sa_IntList *, int *, int))__pyx_f_3_sa_7IntList__extend_arr;
+  __pyx_vtable_3_sa_IntList._clear = (void (*)(struct __pyx_obj_3_sa_IntList *))__pyx_f_3_sa_7IntList__clear;
+  __pyx_vtable_3_sa_IntList.write_handle = (void (*)(struct __pyx_obj_3_sa_IntList *, FILE *))__pyx_f_3_sa_7IntList_write_handle;
+  __pyx_vtable_3_sa_IntList.read_handle = (void (*)(struct __pyx_obj_3_sa_IntList *, FILE *))__pyx_f_3_sa_7IntList_read_handle;
+  if (PyType_Ready(&__pyx_type_3_sa_IntList) < 0) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 9; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (__Pyx_SetVtable(__pyx_type_3_sa_IntList.tp_dict, __pyx_vtabptr_3_sa_IntList) < 0) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 9; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (__Pyx_SetAttrString(__pyx_m, "IntList", (PyObject *)&__pyx_type_3_sa_IntList) < 0) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 9; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_ptype_3_sa_IntList = &__pyx_type_3_sa_IntList;
+  __pyx_vtabptr_3_sa_StringMap = &__pyx_vtable_3_sa_StringMap;
+  __pyx_vtable_3_sa_StringMap.word = (char *(*)(struct __pyx_obj_3_sa_StringMap *, int))__pyx_f_3_sa_9StringMap_word;
+  __pyx_vtable_3_sa_StringMap.index = (int (*)(struct __pyx_obj_3_sa_StringMap *, char *))__pyx_f_3_sa_9StringMap_index;
+  if (PyType_Ready(&__pyx_type_3_sa_StringMap) < 0) {__pyx_filename = __pyx_f[14]; __pyx_lineno = 8; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (__Pyx_SetVtable(__pyx_type_3_sa_StringMap.tp_dict, __pyx_vtabptr_3_sa_StringMap) < 0) {__pyx_filename = __pyx_f[14]; __pyx_lineno = 8; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (__Pyx_SetAttrString(__pyx_m, "StringMap", (PyObject *)&__pyx_type_3_sa_StringMap) < 0) {__pyx_filename = __pyx_f[14]; __pyx_lineno = 8; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_ptype_3_sa_StringMap = &__pyx_type_3_sa_StringMap;
+  __pyx_vtabptr_3_sa_DataArray = &__pyx_vtable_3_sa_DataArray;
+  __pyx_vtable_3_sa_DataArray.read_handle = (void (*)(struct __pyx_obj_3_sa_DataArray *, FILE *))__pyx_f_3_sa_9DataArray_read_handle;
+  __pyx_vtable_3_sa_DataArray.write_handle = (void (*)(struct __pyx_obj_3_sa_DataArray *, FILE *))__pyx_f_3_sa_9DataArray_write_handle;
+  if (PyType_Ready(&__pyx_type_3_sa_DataArray) < 0) {__pyx_filename = __pyx_f[3]; __pyx_lineno = 9; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (__Pyx_SetVtable(__pyx_type_3_sa_DataArray.tp_dict, __pyx_vtabptr_3_sa_DataArray) < 0) {__pyx_filename = __pyx_f[3]; __pyx_lineno = 9; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (__Pyx_SetAttrString(__pyx_m, "DataArray", (PyObject *)&__pyx_type_3_sa_DataArray) < 0) {__pyx_filename = __pyx_f[3]; __pyx_lineno = 9; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_ptype_3_sa_DataArray = &__pyx_type_3_sa_DataArray;
+  __pyx_vtabptr_3_sa_Alignment = &__pyx_vtable_3_sa_Alignment;
+  __pyx_vtable_3_sa_Alignment.link = (int (*)(struct __pyx_obj_3_sa_Alignment *, int, int))__pyx_f_3_sa_9Alignment_link;
+  __pyx_vtable_3_sa_Alignment._unlink = (PyObject *(*)(struct __pyx_obj_3_sa_Alignment *, int, int *, int *))__pyx_f_3_sa_9Alignment__unlink;
+  __pyx_vtable_3_sa_Alignment._get_sent_links = (int *(*)(struct __pyx_obj_3_sa_Alignment *, int, int *))__pyx_f_3_sa_9Alignment__get_sent_links;
+  if (PyType_Ready(&__pyx_type_3_sa_Alignment) < 0) {__pyx_filename = __pyx_f[4]; __pyx_lineno = 8; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (__Pyx_SetVtable(__pyx_type_3_sa_Alignment.tp_dict, __pyx_vtabptr_3_sa_Alignment) < 0) {__pyx_filename = __pyx_f[4]; __pyx_lineno = 8; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (__Pyx_SetAttrString(__pyx_m, "Alignment", (PyObject *)&__pyx_type_3_sa_Alignment) < 0) {__pyx_filename = __pyx_f[4]; __pyx_lineno = 8; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_ptype_3_sa_Alignment = &__pyx_type_3_sa_Alignment;
+  __pyx_vtabptr_3_sa_BiLex = &__pyx_vtable_3_sa_BiLex;
+  __pyx_vtable_3_sa_BiLex.compute_from_data = (PyObject *(*)(struct __pyx_obj_3_sa_BiLex *, struct __pyx_obj_3_sa_SuffixArray *, struct __pyx_obj_3_sa_DataArray *, struct __pyx_obj_3_sa_Alignment *))__pyx_f_3_sa_5BiLex_compute_from_data;
+  __pyx_vtable_3_sa_BiLex._add_node = (PyObject *(*)(struct __pyx_obj_3_sa_BiLex *, struct __pyx_t_3_sa__node *, int *, float, int *))__pyx_f_3_sa_5BiLex__add_node;
+  __pyx_vtable_3_sa_BiLex.write_wordlist = (PyObject *(*)(struct __pyx_obj_3_sa_BiLex *, PyObject *, FILE *))__pyx_f_3_sa_5BiLex_write_wordlist;
+  __pyx_vtable_3_sa_BiLex.read_wordlist = (PyObject *(*)(struct __pyx_obj_3_sa_BiLex *, PyObject *, PyObject *, FILE *))__pyx_f_3_sa_5BiLex_read_wordlist;
+  __pyx_vtable_3_sa_BiLex.swap = (PyObject *(*)(struct __pyx_obj_3_sa_BiLex *, int, int))__pyx_f_3_sa_5BiLex_swap;
+  __pyx_vtable_3_sa_BiLex.qsort = (PyObject *(*)(struct __pyx_obj_3_sa_BiLex *, int, int, PyObject *))__pyx_f_3_sa_5BiLex_qsort;
+  if (PyType_Ready(&__pyx_type_3_sa_BiLex) < 0) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 47; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (__Pyx_SetVtable(__pyx_type_3_sa_BiLex.tp_dict, __pyx_vtabptr_3_sa_BiLex) < 0) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 47; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (__Pyx_SetAttrString(__pyx_m, "BiLex", (PyObject *)&__pyx_type_3_sa_BiLex) < 0) {__pyx_filename = __pyx_f[5]; __pyx_lineno = 47; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_ptype_3_sa_BiLex = &__pyx_type_3_sa_BiLex;
+  if (PyType_Ready(&__pyx_type_3_sa_BitSetIterator) < 0) {__pyx_filename = __pyx_f[6]; __pyx_lineno = 100; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (__Pyx_SetAttrString(__pyx_m, "BitSetIterator", (PyObject *)&__pyx_type_3_sa_BitSetIterator) < 0) {__pyx_filename = __pyx_f[6]; __pyx_lineno = 100; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_ptype_3_sa_BitSetIterator = &__pyx_type_3_sa_BitSetIterator;
+  if (PyType_Ready(&__pyx_type_3_sa_BitSet) < 0) {__pyx_filename = __pyx_f[6]; __pyx_lineno = 118; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (__Pyx_SetAttrString(__pyx_m, "BitSet", (PyObject *)&__pyx_type_3_sa_BitSet) < 0) {__pyx_filename = __pyx_f[6]; __pyx_lineno = 118; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_ptype_3_sa_BitSet = &__pyx_type_3_sa_BitSet;
+  if (PyType_Ready(&__pyx_type_3_sa_VEBIterator) < 0) {__pyx_filename = __pyx_f[6]; __pyx_lineno = 340; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (__Pyx_SetAttrString(__pyx_m, "VEBIterator", (PyObject *)&__pyx_type_3_sa_VEBIterator) < 0) {__pyx_filename = __pyx_f[6]; __pyx_lineno = 340; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_ptype_3_sa_VEBIterator = &__pyx_type_3_sa_VEBIterator;
+  __pyx_vtabptr_3_sa_VEB = &__pyx_vtable_3_sa_VEB;
+  __pyx_vtable_3_sa_VEB._findsucc = (int (*)(struct __pyx_obj_3_sa_VEB *, int))__pyx_f_3_sa_3VEB__findsucc;
+  __pyx_vtable_3_sa_VEB._insert = (int (*)(struct __pyx_obj_3_sa_VEB *, int))__pyx_f_3_sa_3VEB__insert;
+  __pyx_vtable_3_sa_VEB._first = (int (*)(struct __pyx_obj_3_sa_VEB *))__pyx_f_3_sa_3VEB__first;
+  if (PyType_Ready(&__pyx_type_3_sa_VEB) < 0) {__pyx_filename = __pyx_f[6]; __pyx_lineno = 354; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (__Pyx_SetVtable(__pyx_type_3_sa_VEB.tp_dict, __pyx_vtabptr_3_sa_VEB) < 0) {__pyx_filename = __pyx_f[6]; __pyx_lineno = 354; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (__Pyx_SetAttrString(__pyx_m, "VEB", (PyObject *)&__pyx_type_3_sa_VEB) < 0) {__pyx_filename = __pyx_f[6]; __pyx_lineno = 354; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_ptype_3_sa_VEB = &__pyx_type_3_sa_VEB;
+  if (PyType_Ready(&__pyx_type_3_sa_LCP) < 0) {__pyx_filename = __pyx_f[9]; __pyx_lineno = 5; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (__Pyx_SetAttrString(__pyx_m, "LCP", (PyObject *)&__pyx_type_3_sa_LCP) < 0) {__pyx_filename = __pyx_f[9]; __pyx_lineno = 5; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_ptype_3_sa_LCP = &__pyx_type_3_sa_LCP;
+  __pyx_vtabptr_3_sa_Alphabet = &__pyx_vtable_3_sa_Alphabet;
+  __pyx_vtable_3_sa_Alphabet.isvar = (int (*)(struct __pyx_obj_3_sa_Alphabet *, int))__pyx_f_3_sa_8Alphabet_isvar;
+  __pyx_vtable_3_sa_Alphabet.isword = (int (*)(struct __pyx_obj_3_sa_Alphabet *, int))__pyx_f_3_sa_8Alphabet_isword;
+  __pyx_vtable_3_sa_Alphabet.getindex = (int (*)(struct __pyx_obj_3_sa_Alphabet *, int))__pyx_f_3_sa_8Alphabet_getindex;
+  __pyx_vtable_3_sa_Alphabet.setindex = (int (*)(struct __pyx_obj_3_sa_Alphabet *, int, int))__pyx_f_3_sa_8Alphabet_setindex;
+  __pyx_vtable_3_sa_Alphabet.clearindex = (int (*)(struct __pyx_obj_3_sa_Alphabet *, int))__pyx_f_3_sa_8Alphabet_clearindex;
+  __pyx_vtable_3_sa_Alphabet.match = (int (*)(struct __pyx_obj_3_sa_Alphabet *, int, int))__pyx_f_3_sa_8Alphabet_match;
+  __pyx_vtable_3_sa_Alphabet.tocat = (char *(*)(struct __pyx_obj_3_sa_Alphabet *, int))__pyx_f_3_sa_8Alphabet_tocat;
+  __pyx_vtable_3_sa_Alphabet.fromcat = (int (*)(struct __pyx_obj_3_sa_Alphabet *, char *))__pyx_f_3_sa_8Alphabet_fromcat;
+  __pyx_vtable_3_sa_Alphabet.tostring = (char *(*)(struct __pyx_obj_3_sa_Alphabet *, int))__pyx_f_3_sa_8Alphabet_tostring;
+  __pyx_vtable_3_sa_Alphabet.fromstring = (int (*)(struct __pyx_obj_3_sa_Alphabet *, char *, int))__pyx_f_3_sa_8Alphabet_fromstring;
+  if (PyType_Ready(&__pyx_type_3_sa_Alphabet) < 0) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 7; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (__Pyx_SetVtable(__pyx_type_3_sa_Alphabet.tp_dict, __pyx_vtabptr_3_sa_Alphabet) < 0) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 7; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (__Pyx_SetAttrString(__pyx_m, "Alphabet", (PyObject *)&__pyx_type_3_sa_Alphabet) < 0) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 7; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_ptype_3_sa_Alphabet = &__pyx_type_3_sa_Alphabet;
+  __pyx_vtabptr_3_sa_TrieMap = &__pyx_vtable_3_sa_TrieMap;
+  __pyx_vtable_3_sa_TrieMap._insert = (struct __pyx_t_3_sa__Trie_Node *(*)(struct __pyx_obj_3_sa_TrieMap *, int *, int))__pyx_f_3_sa_7TrieMap__insert;
+  __pyx_vtable_3_sa_TrieMap._contains = (struct __pyx_t_3_sa__Trie_Node *(*)(struct __pyx_obj_3_sa_TrieMap *, int *, int))__pyx_f_3_sa_7TrieMap__contains;
+  if (PyType_Ready(&__pyx_type_3_sa_TrieMap) < 0) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 109; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (__Pyx_SetVtable(__pyx_type_3_sa_TrieMap.tp_dict, __pyx_vtabptr_3_sa_TrieMap) < 0) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 109; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (__Pyx_SetAttrString(__pyx_m, "TrieMap", (PyObject *)&__pyx_type_3_sa_TrieMap) < 0) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 109; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_ptype_3_sa_TrieMap = &__pyx_type_3_sa_TrieMap;
+  __pyx_vtabptr_3_sa_Precomputation = &__pyx_vtable_3_sa_Precomputation;
+  __pyx_vtable_3_sa_Precomputation.read_map = (PyObject *(*)(struct __pyx_obj_3_sa_Precomputation *, FILE *))__pyx_f_3_sa_14Precomputation_read_map;
+  __pyx_vtable_3_sa_Precomputation.write_map = (PyObject *(*)(struct __pyx_obj_3_sa_Precomputation *, PyObject *, FILE *))__pyx_f_3_sa_14Precomputation_write_map;
+  if (PyType_Ready(&__pyx_type_3_sa_Precomputation) < 0) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 188; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (__Pyx_SetVtable(__pyx_type_3_sa_Precomputation.tp_dict, __pyx_vtabptr_3_sa_Precomputation) < 0) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 188; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (__Pyx_SetAttrString(__pyx_m, "Precomputation", (PyObject *)&__pyx_type_3_sa_Precomputation) < 0) {__pyx_filename = __pyx_f[12]; __pyx_lineno = 188; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_ptype_3_sa_Precomputation = &__pyx_type_3_sa_Precomputation;
+  __pyx_vtabptr_3_sa_SuffixArray = &__pyx_vtable_3_sa_SuffixArray;
+  __pyx_vtable_3_sa_SuffixArray.__pyx___search_high = (int (*)(struct __pyx_obj_3_sa_SuffixArray *, int, int, int, int))__pyx_f_3_sa_11SuffixArray___search_high;
+  __pyx_vtable_3_sa_SuffixArray.__pyx___search_low = (int (*)(struct __pyx_obj_3_sa_SuffixArray *, int, int, int, int))__pyx_f_3_sa_11SuffixArray___search_low;
+  __pyx_vtable_3_sa_SuffixArray.__pyx___get_range = (PyObject *(*)(struct __pyx_obj_3_sa_SuffixArray *, int, int, int, int, int))__pyx_f_3_sa_11SuffixArray___get_range;
+  __pyx_vtable_3_sa_SuffixArray.__pyx___lookup_helper = (PyObject *(*)(struct __pyx_obj_3_sa_SuffixArray *, int, int, int, int))__pyx_f_3_sa_11SuffixArray___lookup_helper;
+  if (PyType_Ready(&__pyx_type_3_sa_SuffixArray) < 0) {__pyx_filename = __pyx_f[13]; __pyx_lineno = 6; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (__Pyx_SetVtable(__pyx_type_3_sa_SuffixArray.tp_dict, __pyx_vtabptr_3_sa_SuffixArray) < 0) {__pyx_filename = __pyx_f[13]; __pyx_lineno = 6; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (__Pyx_SetAttrString(__pyx_m, "SuffixArray", (PyObject *)&__pyx_type_3_sa_SuffixArray) < 0) {__pyx_filename = __pyx_f[13]; __pyx_lineno = 6; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_ptype_3_sa_SuffixArray = &__pyx_type_3_sa_SuffixArray;
+  if (PyType_Ready(&__pyx_type_3_sa_TrieNode) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 18; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (__Pyx_SetAttrString(__pyx_m, "TrieNode", (PyObject *)&__pyx_type_3_sa_TrieNode) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 18; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_ptype_3_sa_TrieNode = &__pyx_type_3_sa_TrieNode;
+  __pyx_type_3_sa_ExtendedTrieNode.tp_base = __pyx_ptype_3_sa_TrieNode;
+  if (PyType_Ready(&__pyx_type_3_sa_ExtendedTrieNode) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 24; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (__Pyx_SetAttrString(__pyx_m, "ExtendedTrieNode", (PyObject *)&__pyx_type_3_sa_ExtendedTrieNode) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 24; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_ptype_3_sa_ExtendedTrieNode = &__pyx_type_3_sa_ExtendedTrieNode;
+  if (PyType_Ready(&__pyx_type_3_sa_TrieTable) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 35; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (__Pyx_SetAttrString(__pyx_m, "TrieTable", (PyObject *)&__pyx_type_3_sa_TrieTable) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 35; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_ptype_3_sa_TrieTable = &__pyx_type_3_sa_TrieTable;
+  __pyx_vtabptr_3_sa_PhraseLocation = &__pyx_vtable_3_sa_PhraseLocation;
+  __pyx_vtable_3_sa_PhraseLocation.contains = (int (*)(struct __pyx_obj_3_sa_PhraseLocation *, int))__pyx_f_3_sa_14PhraseLocation_contains;
+  if (PyType_Ready(&__pyx_type_3_sa_PhraseLocation) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 56; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (__Pyx_SetVtable(__pyx_type_3_sa_PhraseLocation.tp_dict, __pyx_vtabptr_3_sa_PhraseLocation) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 56; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (__Pyx_SetAttrString(__pyx_m, "PhraseLocation", (PyObject *)&__pyx_type_3_sa_PhraseLocation) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 56; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_ptype_3_sa_PhraseLocation = &__pyx_type_3_sa_PhraseLocation;
+  if (PyType_Ready(&__pyx_type_3_sa_Sampler) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 79; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (__Pyx_SetAttrString(__pyx_m, "Sampler", (PyObject *)&__pyx_type_3_sa_Sampler) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 79; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_ptype_3_sa_Sampler = &__pyx_type_3_sa_Sampler;
+  __pyx_vtabptr_3_sa_HieroCachingRuleFactory = &__pyx_vtable_3_sa_HieroCachingRuleFactory;
+  __pyx_vtable_3_sa_HieroCachingRuleFactory.set_idmap = (PyObject *(*)(struct __pyx_obj_3_sa_HieroCachingRuleFactory *, struct __pyx_obj_3_sa_DataArray *))__pyx_f_3_sa_23HieroCachingRuleFactory_set_idmap;
+  __pyx_vtable_3_sa_HieroCachingRuleFactory.baeza_yates_helper = (int *(*)(struct __pyx_obj_3_sa_HieroCachingRuleFactory *, int, int, int *, int, int, int, int *, int, int, int, int, int *))__pyx_f_3_sa_23HieroCachingRuleFactory_baeza_yates_helper;
+  __pyx_vtable_3_sa_HieroCachingRuleFactory.compare_matchings_set = (long (*)(struct __pyx_obj_3_sa_HieroCachingRuleFactory *, int, int, int *, int, struct __pyx_t_3_sa_Matching *, int, int))__pyx_f_3_sa_23HieroCachingRuleFactory_compare_matchings_set;
+  __pyx_vtable_3_sa_HieroCachingRuleFactory.compare_matchings = (long (*)(struct __pyx_obj_3_sa_HieroCachingRuleFactory *, struct __pyx_t_3_sa_Matching *, struct __pyx_t_3_sa_Matching *, int, int))__pyx_f_3_sa_23HieroCachingRuleFactory_compare_matchings;
+  __pyx_vtable_3_sa_HieroCachingRuleFactory.merge_helper = (int *(*)(struct __pyx_obj_3_sa_HieroCachingRuleFactory *, int, int, int *, int, int, int, int *, int, int, int, int, int *))__pyx_f_3_sa_23HieroCachingRuleFactory_merge_helper;
+  __pyx_vtable_3_sa_HieroCachingRuleFactory.sort_phrase_loc = (void (*)(struct __pyx_obj_3_sa_HieroCachingRuleFactory *, struct __pyx_obj_3_sa_IntList *, struct __pyx_obj_3_sa_PhraseLocation *, struct __pyx_obj_3_sa_Phrase *))__pyx_f_3_sa_23HieroCachingRuleFactory_sort_phrase_loc;
+  __pyx_vtable_3_sa_HieroCachingRuleFactory.intersect_helper = (PyObject *(*)(struct __pyx_obj_3_sa_HieroCachingRuleFactory *, struct __pyx_obj_3_sa_Phrase *, struct __pyx_obj_3_sa_Phrase *, struct __pyx_obj_3_sa_PhraseLocation *, struct __pyx_obj_3_sa_PhraseLocation *, int))__pyx_f_3_sa_23HieroCachingRuleFactory_intersect_helper;
+  __pyx_vtable_3_sa_HieroCachingRuleFactory.loc2str = (PyObject *(*)(struct __pyx_obj_3_sa_HieroCachingRuleFactory *, struct __pyx_obj_3_sa_PhraseLocation *))__pyx_f_3_sa_23HieroCachingRuleFactory_loc2str;
+  __pyx_vtable_3_sa_HieroCachingRuleFactory.intersect = (struct __pyx_obj_3_sa_PhraseLocation *(*)(struct __pyx_obj_3_sa_HieroCachingRuleFactory *, PyObject *, PyObject *, struct __pyx_obj_3_sa_Phrase *))__pyx_f_3_sa_23HieroCachingRuleFactory_intersect;
+  __pyx_vtable_3_sa_HieroCachingRuleFactory.find_fixpoint = (int (*)(struct __pyx_obj_3_sa_HieroCachingRuleFactory *, int, PyObject *, int *, int *, int *, int *, int, int, int *, int *, int *, int *, int, int, int, int, int, int, int, int, int, int, int))__pyx_f_3_sa_23HieroCachingRuleFactory_find_fixpoint;
+  __pyx_vtable_3_sa_HieroCachingRuleFactory.find_projection = (PyObject *(*)(struct __pyx_obj_3_sa_HieroCachingRuleFactory *, int, int, int *, int *, int *, int *))__pyx_f_3_sa_23HieroCachingRuleFactory_find_projection;
+  __pyx_vtable_3_sa_HieroCachingRuleFactory.int_arr_extend = (int *(*)(struct __pyx_obj_3_sa_HieroCachingRuleFactory *, int *, int *, int *, int))__pyx_f_3_sa_23HieroCachingRuleFactory_int_arr_extend;
+  __pyx_vtable_3_sa_HieroCachingRuleFactory.extract_phrases = (PyObject *(*)(struct __pyx_obj_3_sa_HieroCachingRuleFactory *, int, int, int *, int *, int *, int, int, int, int *, int *, int *, int, int, int))__pyx_f_3_sa_23HieroCachingRuleFactory_extract_phrases;
+  __pyx_vtable_3_sa_HieroCachingRuleFactory.create_alignments = (PyObject *(*)(struct __pyx_obj_3_sa_HieroCachingRuleFactory *, int *, int, PyObject *, PyObject *))__pyx_f_3_sa_23HieroCachingRuleFactory_create_alignments;
+  __pyx_vtable_3_sa_HieroCachingRuleFactory.extract = (PyObject *(*)(struct __pyx_obj_3_sa_HieroCachingRuleFactory *, struct __pyx_obj_3_sa_Phrase *, struct __pyx_t_3_sa_Matching *, int *, int))__pyx_f_3_sa_23HieroCachingRuleFactory_extract;
+  if (PyType_Ready(&__pyx_type_3_sa_HieroCachingRuleFactory) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 201; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (__Pyx_SetVtable(__pyx_type_3_sa_HieroCachingRuleFactory.tp_dict, __pyx_vtabptr_3_sa_HieroCachingRuleFactory) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 201; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (__Pyx_SetAttrString(__pyx_m, "HieroCachingRuleFactory", (PyObject *)&__pyx_type_3_sa_HieroCachingRuleFactory) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 201; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_ptype_3_sa_HieroCachingRuleFactory = &__pyx_type_3_sa_HieroCachingRuleFactory;
+  if (PyType_Ready(&__pyx_type_3_sa___pyx_scope_struct__compute_stats) < 0) {__pyx_filename = __pyx_f[9]; __pyx_lineno = 36; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_ptype_3_sa___pyx_scope_struct__compute_stats = &__pyx_type_3_sa___pyx_scope_struct__compute_stats;
+  if (PyType_Ready(&__pyx_type_3_sa___pyx_scope_struct_1___iter__) < 0) {__pyx_filename = __pyx_f[7]; __pyx_lineno = 141; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_ptype_3_sa___pyx_scope_struct_1___iter__ = &__pyx_type_3_sa___pyx_scope_struct_1___iter__;
+  if (PyType_Ready(&__pyx_type_3_sa___pyx_scope_struct_2_input) < 0) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 919; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_ptype_3_sa___pyx_scope_struct_2_input = &__pyx_type_3_sa___pyx_scope_struct_2_input;
   /*--- Type import code ---*/
   /*--- Variable import code ---*/
   /*--- Function import code ---*/
   /*--- Execution code ---*/
 
-  /* "_cdec_sa.pyx":1
+  /* "_sa.pyx":1
  * import logging             # <<<<<<<<<<<<<<
  * import resource
  * import gzip
@@ -60603,7 +60797,7 @@ PyMODINIT_FUNC PyInit__cdec_sa(void)
   if (PyObject_SetAttr(__pyx_m, __pyx_n_s__logging, __pyx_t_1) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
 
-  /* "_cdec_sa.pyx":2
+  /* "_sa.pyx":2
  * import logging
  * import resource             # <<<<<<<<<<<<<<
  * import gzip
@@ -60614,7 +60808,7 @@ PyMODINIT_FUNC PyInit__cdec_sa(void)
   if (PyObject_SetAttr(__pyx_m, __pyx_n_s__resource, __pyx_t_1) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 2; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
 
-  /* "_cdec_sa.pyx":3
+  /* "_sa.pyx":3
  * import logging
  * import resource
  * import gzip             # <<<<<<<<<<<<<<
@@ -60626,19 +60820,19 @@ PyMODINIT_FUNC PyInit__cdec_sa(void)
   if (PyObject_SetAttr(__pyx_m, __pyx_n_s__gzip, __pyx_t_1) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 3; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
 
-  /* "_cdec_sa.pyx":9
+  /* "_sa.pyx":9
  *             resource.getrusage(resource.RUSAGE_SELF).ru_stime)
  * 
  * def gzip_or_text(char* filename):             # <<<<<<<<<<<<<<
  *     if filename.endswith('.gz'):
  *         return gzip.GzipFile(filename)
  */
-  __pyx_t_1 = PyCFunction_NewEx(&__pyx_mdef_8_cdec_sa_1gzip_or_text, NULL, __pyx_n_s___cdec_sa); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 9; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = PyCFunction_NewEx(&__pyx_mdef_3_sa_1gzip_or_text, NULL, __pyx_n_s___sa); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 9; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_1);
   if (PyObject_SetAttr(__pyx_m, __pyx_n_s__gzip_or_text, __pyx_t_1) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 9; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
 
-  /* "_cdec_sa.pyx":15
+  /* "_sa.pyx":15
  *         return open(filename)
  * 
  * logger = logging.getLogger('cdec.sa')             # <<<<<<<<<<<<<<
@@ -60676,7 +60870,7 @@ PyMODINIT_FUNC PyInit__cdec_sa(void)
  * cdef int MIN_BOTTOM_BITS = 5
  * cdef int LOWER_MASK[32]
  */
-  __pyx_v_8_cdec_sa_MIN_BOTTOM_SIZE = 32;
+  __pyx_v_3_sa_MIN_BOTTOM_SIZE = 32;
 
   /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":18
  * 
@@ -60685,7 +60879,7 @@ PyMODINIT_FUNC PyInit__cdec_sa(void)
  * cdef int LOWER_MASK[32]
  * 
  */
-  __pyx_v_8_cdec_sa_MIN_BOTTOM_BITS = 5;
+  __pyx_v_3_sa_MIN_BOTTOM_BITS = 5;
 
   /* "/Users/vchahun/Sandbox/cdec/python/src/sa/veb.pxi":28
  *         LOWER_MASK[i] = mask
@@ -60694,7 +60888,7 @@ PyMODINIT_FUNC PyInit__cdec_sa(void)
  * 
  * cdef struct _BitSet:
  */
-  __pyx_f_8_cdec_sa__init_lower_mask();
+  __pyx_f_3_sa__init_lower_mask();
 
   /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":4
  * from libc.stdlib cimport malloc, realloc, strtol
@@ -60703,7 +60897,7 @@ PyMODINIT_FUNC PyInit__cdec_sa(void)
  * cdef int INDEX_MASK = (1<<INDEX_SHIFT)-1
  * 
  */
-  __pyx_v_8_cdec_sa_INDEX_SHIFT = 3;
+  __pyx_v_3_sa_INDEX_SHIFT = 3;
 
   /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":5
  * 
@@ -60712,57 +60906,32 @@ PyMODINIT_FUNC PyInit__cdec_sa(void)
  * 
  * cdef class Alphabet:
  */
-  __pyx_v_8_cdec_sa_INDEX_MASK = ((1 << __pyx_v_8_cdec_sa_INDEX_SHIFT) - 1);
+  __pyx_v_3_sa_INDEX_MASK = ((1 << __pyx_v_3_sa_INDEX_SHIFT) - 1);
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":89
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":87
  *             return self.terminals.index(s)
  * 
  * cdef Alphabet ALPHABET = Alphabet()             # <<<<<<<<<<<<<<
  * 
- * def sym_tostring(int sym):
+ * cdef char* sym_tostring(int sym):
  */
-  __pyx_t_1 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_8_cdec_sa_Alphabet)), ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 89; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = PyObject_Call(((PyObject *)((PyObject*)__pyx_ptype_3_sa_Alphabet)), ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 87; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_1);
-  __Pyx_XGOTREF(((PyObject *)__pyx_v_8_cdec_sa_ALPHABET));
-  __Pyx_DECREF(((PyObject *)__pyx_v_8_cdec_sa_ALPHABET));
+  __Pyx_XGOTREF(((PyObject *)__pyx_v_3_sa_ALPHABET));
+  __Pyx_DECREF(((PyObject *)__pyx_v_3_sa_ALPHABET));
   __Pyx_GIVEREF(__pyx_t_1);
-  __pyx_v_8_cdec_sa_ALPHABET = ((struct __pyx_obj_8_cdec_sa_Alphabet *)__pyx_t_1);
+  __pyx_v_3_sa_ALPHABET = ((struct __pyx_obj_3_sa_Alphabet *)__pyx_t_1);
   __pyx_t_1 = 0;
 
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":91
- * cdef Alphabet ALPHABET = Alphabet()
- * 
- * def sym_tostring(int sym):             # <<<<<<<<<<<<<<
- *     return ALPHABET.tostring(sym)
- * 
- */
-  __pyx_t_1 = PyCFunction_NewEx(&__pyx_mdef_8_cdec_sa_3sym_tostring, NULL, __pyx_n_s___cdec_sa); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 91; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __Pyx_GOTREF(__pyx_t_1);
-  if (PyObject_SetAttr(__pyx_m, __pyx_n_s__sym_tostring, __pyx_t_1) < 0) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 91; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
-
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":94
- *     return ALPHABET.tostring(sym)
- * 
- * def sym_fromstring(bytes string, bint terminal):             # <<<<<<<<<<<<<<
- *     return ALPHABET.fromstring(string, terminal)
+  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":104
+ *     return ALPHABET.setindex(sym, id)
  * 
- */
-  __pyx_t_1 = PyCFunction_NewEx(&__pyx_mdef_8_cdec_sa_5sym_fromstring, NULL, __pyx_n_s___cdec_sa); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 94; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __Pyx_GOTREF(__pyx_t_1);
-  if (PyObject_SetAttr(__pyx_m, __pyx_n_s__sym_fromstring, __pyx_t_1) < 0) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 94; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
-
-  /* "/Users/vchahun/Sandbox/cdec/python/src/sa/sym.pxi":97
+ * def sym_fromstring(char* string, bint terminal):             # <<<<<<<<<<<<<<
  *     return ALPHABET.fromstring(string, terminal)
- * 
- * def sym_isvar(int sym):             # <<<<<<<<<<<<<<
- *     return ALPHABET.isvar(sym)
- * 
  */
-  __pyx_t_1 = PyCFunction_NewEx(&__pyx_mdef_8_cdec_sa_7sym_isvar, NULL, __pyx_n_s___cdec_sa); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 97; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = PyCFunction_NewEx(&__pyx_mdef_3_sa_3sym_fromstring, NULL, __pyx_n_s___sa); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 104; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_1);
-  if (PyObject_SetAttr(__pyx_m, __pyx_n_s__sym_isvar, __pyx_t_1) < 0) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 97; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (PyObject_SetAttr(__pyx_m, __pyx_n_s__sym_fromstring, __pyx_t_1) < 0) {__pyx_filename = __pyx_f[10]; __pyx_lineno = 104; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
 
   /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":5
@@ -60784,7 +60953,7 @@ PyMODINIT_FUNC PyInit__cdec_sa(void)
  * cdef int MERGE = 1
  * cdef int BAEZA_YATES = 2
  */
-  __pyx_v_8_cdec_sa_PRECOMPUTE = 0;
+  __pyx_v_3_sa_PRECOMPUTE = 0;
 
   /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":12
  * 
@@ -60793,7 +60962,7 @@ PyMODINIT_FUNC PyInit__cdec_sa(void)
  * cdef int BAEZA_YATES = 2
  * 
  */
-  __pyx_v_8_cdec_sa_MERGE = 1;
+  __pyx_v_3_sa_MERGE = 1;
 
   /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":13
  * cdef int PRECOMPUTE = 0
@@ -60802,7 +60971,7 @@ PyMODINIT_FUNC PyInit__cdec_sa(void)
  * 
  * # NOTE: was encoded as a non-terminal in the previous version
  */
-  __pyx_v_8_cdec_sa_BAEZA_YATES = 2;
+  __pyx_v_3_sa_BAEZA_YATES = 2;
 
   /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":16
  * 
@@ -60817,9 +60986,9 @@ PyMODINIT_FUNC PyInit__cdec_sa(void)
   __Pyx_GOTREF(__pyx_t_2);
   __pyx_t_3 = PyTuple_New(2); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 16; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_3);
-  __Pyx_INCREF(((PyObject *)__pyx_kp_s_144));
-  PyTuple_SET_ITEM(__pyx_t_3, 0, ((PyObject *)__pyx_kp_s_144));
-  __Pyx_GIVEREF(((PyObject *)__pyx_kp_s_144));
+  __Pyx_INCREF(((PyObject *)__pyx_kp_s_140));
+  PyTuple_SET_ITEM(__pyx_t_3, 0, ((PyObject *)__pyx_kp_s_140));
+  __Pyx_GIVEREF(((PyObject *)__pyx_kp_s_140));
   PyTuple_SET_ITEM(__pyx_t_3, 1, __pyx_t_2);
   __Pyx_GIVEREF(__pyx_t_2);
   __pyx_t_2 = 0;
@@ -60829,7 +60998,7 @@ PyMODINIT_FUNC PyInit__cdec_sa(void)
   __Pyx_DECREF(((PyObject *)__pyx_t_3)); __pyx_t_3 = 0;
   __pyx_t_4 = __Pyx_PyInt_AsInt(__pyx_t_2); if (unlikely((__pyx_t_4 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[8]; __pyx_lineno = 16; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
-  __pyx_v_8_cdec_sa_EPSILON = __pyx_t_4;
+  __pyx_v_3_sa_EPSILON = __pyx_t_4;
 
   /* "/Users/vchahun/Sandbox/cdec/python/src/sa/rulefactory.pxi":39
  *     cdef public int count
@@ -60844,7 +61013,7 @@ PyMODINIT_FUNC PyInit__cdec_sa(void)
   __Pyx_GIVEREF(__pyx_t_2);
   __pyx_t_2 = 0;
 
-  /* "_cdec_sa.pyx":1
+  /* "_sa.pyx":1
  * import logging             # <<<<<<<<<<<<<<
  * import resource
  * import gzip
@@ -60859,10 +61028,10 @@ PyMODINIT_FUNC PyInit__cdec_sa(void)
   __Pyx_XDECREF(__pyx_t_2);
   __Pyx_XDECREF(__pyx_t_3);
   if (__pyx_m) {
-    __Pyx_AddTraceback("init _cdec_sa", __pyx_clineno, __pyx_lineno, __pyx_filename);
+    __Pyx_AddTraceback("init _sa", __pyx_clineno, __pyx_lineno, __pyx_filename);
     Py_DECREF(__pyx_m); __pyx_m = 0;
   } else if (!PyErr_Occurred()) {
-    PyErr_SetString(PyExc_ImportError, "init _cdec_sa");
+    PyErr_SetString(PyExc_ImportError, "init _sa");
   }
   __pyx_L0:;
   __Pyx_RefNannyFinishContext();
@@ -61015,7 +61184,7 @@ static void __Pyx_RaiseArgtupleInvalid(
         more_or_less = "exactly";
     }
     PyErr_Format(PyExc_TypeError,
-                 "%s() takes %s %"PY_FORMAT_SIZE_T"d positional argument%s (%"PY_FORMAT_SIZE_T"d given)",
+                 "%s() takes %s %" PY_FORMAT_SIZE_T "d positional argument%s (%" PY_FORMAT_SIZE_T "d given)",
                  func_name, more_or_less, num_expected,
                  (num_expected == 1) ? "" : "s", num_found);
 }
@@ -61192,6 +61361,11 @@ static CYTHON_INLINE int __Pyx_CheckKeywordStrings(
 {
     PyObject* key = 0;
     Py_ssize_t pos = 0;
+#if CPYTHON_COMPILING_IN_PYPY
+    if (!kw_allowed && PyDict_Next(kwdict, &pos, &key, 0))
+        goto invalid_keyword;
+    return 1;
+#else
     while (PyDict_Next(kwdict, &pos, &key, 0)) {
         #if PY_MAJOR_VERSION < 3
         if (unlikely(!PyString_CheckExact(key)) && unlikely(!PyString_Check(key)))
@@ -61207,6 +61381,7 @@ invalid_keyword_type:
     PyErr_Format(PyExc_TypeError,
         "%s() keywords must be strings", function_name);
     return 0;
+#endif
 invalid_keyword:
     PyErr_Format(PyExc_TypeError,
     #if PY_MAJOR_VERSION < 3
@@ -61219,10 +61394,9 @@ invalid_keyword:
     return 0;
 }
 
-
-
 static int __Pyx_GetException(PyObject **type, PyObject **value, PyObject **tb) {
     PyObject *local_type, *local_value, *local_tb;
+#if CYTHON_COMPILING_IN_CPYTHON
     PyObject *tmp_type, *tmp_value, *tmp_tb;
     PyThreadState *tstate = PyThreadState_GET();
     local_type = tstate->curexc_type;
@@ -61231,19 +61405,27 @@ static int __Pyx_GetException(PyObject **type, PyObject **value, PyObject **tb)
     tstate->curexc_type = 0;
     tstate->curexc_value = 0;
     tstate->curexc_traceback = 0;
+#else
+    PyErr_Fetch(&local_type, &local_value, &local_tb);
+#endif
     PyErr_NormalizeException(&local_type, &local_value, &local_tb);
+#if CYTHON_COMPILING_IN_CPYTHON
     if (unlikely(tstate->curexc_type))
+#else
+    if (unlikely(PyErr_Occurred()))
+#endif
         goto bad;
     #if PY_MAJOR_VERSION >= 3
     if (unlikely(PyException_SetTraceback(local_value, local_tb) < 0))
         goto bad;
     #endif
-    *type = local_type;
-    *value = local_value;
-    *tb = local_tb;
     Py_INCREF(local_type);
     Py_INCREF(local_value);
     Py_INCREF(local_tb);
+    *type = local_type;
+    *value = local_value;
+    *tb = local_tb;
+#if CYTHON_COMPILING_IN_CPYTHON
     tmp_type = tstate->exc_type;
     tmp_value = tstate->exc_value;
     tmp_tb = tstate->exc_traceback;
@@ -61251,10 +61433,13 @@ static int __Pyx_GetException(PyObject **type, PyObject **value, PyObject **tb)
     tstate->exc_value = local_value;
     tstate->exc_traceback = local_tb;
     /* Make sure tstate is in a consistent state when we XDECREF
-       these objects (XDECREF may run arbitrary code). */
+       these objects (DECREF may run arbitrary code). */
     Py_XDECREF(tmp_type);
     Py_XDECREF(tmp_value);
     Py_XDECREF(tmp_tb);
+#else
+    PyErr_SetExcInfo(local_type, local_value, local_tb);
+#endif
     return 0;
 bad:
     *type = 0;
@@ -61279,23 +61464,40 @@ static CYTHON_INLINE long __Pyx_mod_long(long a, long b) {
     return r;
 }
 
-static CYTHON_INLINE void __Pyx_RaiseNeedMoreValuesError(Py_ssize_t index) {
+static CYTHON_INLINE void __Pyx_RaiseTooManyValuesError(Py_ssize_t expected) {
     PyErr_Format(PyExc_ValueError,
-                 "need more than %"PY_FORMAT_SIZE_T"d value%s to unpack",
-                 index, (index == 1) ? "" : "s");
+                 "too many values to unpack (expected %" PY_FORMAT_SIZE_T "d)", expected);
 }
 
-static CYTHON_INLINE void __Pyx_RaiseTooManyValuesError(Py_ssize_t expected) {
+static CYTHON_INLINE void __Pyx_RaiseNeedMoreValuesError(Py_ssize_t index) {
     PyErr_Format(PyExc_ValueError,
-                 "too many values to unpack (expected %"PY_FORMAT_SIZE_T"d)", expected);
+                 "need more than %" PY_FORMAT_SIZE_T "d value%s to unpack",
+                 index, (index == 1) ? "" : "s");
 }
 
-static int __Pyx_IternextUnpackEndCheck(PyObject *retval, Py_ssize_t expected) {
-    if (unlikely(retval)) {
-        Py_DECREF(retval);
-        __Pyx_RaiseTooManyValuesError(expected);
-        return -1;
-    } else if (PyErr_Occurred()) {
+static CYTHON_INLINE int __Pyx_IterFinish(void) {
+#if CYTHON_COMPILING_IN_CPYTHON
+    PyThreadState *tstate = PyThreadState_GET();
+    PyObject* exc_type = tstate->curexc_type;
+    if (unlikely(exc_type)) {
+        if (likely(exc_type == PyExc_StopIteration) || PyErr_GivenExceptionMatches(exc_type, PyExc_StopIteration)) {
+            PyObject *exc_value, *exc_tb;
+            exc_value = tstate->curexc_value;
+            exc_tb = tstate->curexc_traceback;
+            tstate->curexc_type = 0;
+            tstate->curexc_value = 0;
+            tstate->curexc_traceback = 0;
+            Py_DECREF(exc_type);
+            Py_XDECREF(exc_value);
+            Py_XDECREF(exc_tb);
+            return 0;
+        } else {
+            return -1;
+        }
+    }
+    return 0;
+#else
+    if (unlikely(PyErr_Occurred())) {
         if (likely(PyErr_ExceptionMatches(PyExc_StopIteration))) {
             PyErr_Clear();
             return 0;
@@ -61304,12 +61506,25 @@ static int __Pyx_IternextUnpackEndCheck(PyObject *retval, Py_ssize_t expected) {
         }
     }
     return 0;
+#endif
 }
 
-
+static int __Pyx_IternextUnpackEndCheck(PyObject *retval, Py_ssize_t expected) {
+    if (unlikely(retval)) {
+        Py_DECREF(retval);
+        __Pyx_RaiseTooManyValuesError(expected);
+        return -1;
+    } else {
+        return __Pyx_IterFinish();
+    }
+    return 0;
+}
 
 static double __Pyx__PyObject_AsDouble(PyObject* obj) {
     PyObject* float_value;
+#if CYTHON_COMPILING_IN_PYPY
+    float_value = PyNumber_Float(obj);
+#else
     if (Py_TYPE(obj)->tp_as_number && Py_TYPE(obj)->tp_as_number->nb_float) {
         return PyFloat_AsDouble(obj);
     } else if (PyUnicode_CheckExact(obj) || PyBytes_CheckExact(obj)) {
@@ -61326,6 +61541,7 @@ static double __Pyx__PyObject_AsDouble(PyObject* obj) {
         PyTuple_SET_ITEM(args, 0, 0);
         Py_DECREF(args);
     }
+#endif
     if (likely(float_value)) {
         double value = PyFloat_AS_DOUBLE(float_value);
         Py_DECREF(float_value);
@@ -61359,8 +61575,158 @@ static int __Pyx_ArgTypeTest(PyObject *obj, PyTypeObject *type, int none_allowed
     return 0;
 }
 
-static CYTHON_INLINE void __Pyx_RaiseNoneIndexingError(void) {
-    PyErr_SetString(PyExc_TypeError, "'NoneType' object is unsubscriptable");
+static CYTHON_INLINE void __Pyx_RaiseNoneNotIterableError(void) {
+    PyErr_SetString(PyExc_TypeError, "'NoneType' object is not iterable");
+}
+
+static void __Pyx_UnpackTupleError(PyObject *t, Py_ssize_t index) {
+    if (t == Py_None) {
+      __Pyx_RaiseNoneNotIterableError();
+    } else if (PyTuple_GET_SIZE(t) < index) {
+      __Pyx_RaiseNeedMoreValuesError(PyTuple_GET_SIZE(t));
+    } else {
+      __Pyx_RaiseTooManyValuesError(index);
+    }
+}
+
+static CYTHON_INLINE int __Pyx_unpack_tuple2(PyObject* tuple, PyObject** pvalue1, PyObject** pvalue2,
+                                             int is_tuple, int has_known_size, int decref_tuple) {
+    Py_ssize_t index;
+    PyObject *value1 = NULL, *value2 = NULL, *iter = NULL;
+    if (!is_tuple && unlikely(!PyTuple_Check(tuple))) {
+        iternextfunc iternext;
+        iter = PyObject_GetIter(tuple);
+        if (unlikely(!iter)) goto bad;
+        if (decref_tuple) { Py_DECREF(tuple); tuple = NULL; }
+        iternext = Py_TYPE(iter)->tp_iternext;
+        value1 = iternext(iter); if (unlikely(!value1)) { index = 0; goto unpacking_failed; }
+        value2 = iternext(iter); if (unlikely(!value2)) { index = 1; goto unpacking_failed; }
+        if (!has_known_size && unlikely(__Pyx_IternextUnpackEndCheck(iternext(iter), 2))) goto bad;
+        Py_DECREF(iter);
+    } else {
+        if (!has_known_size && unlikely(PyTuple_GET_SIZE(tuple) != 2)) {
+            __Pyx_UnpackTupleError(tuple, 2);
+            goto bad;
+        }
+#if CYTHON_COMPILING_IN_PYPY
+        value1 = PySequence_ITEM(tuple, 0);
+        if (unlikely(!value1)) goto bad;
+        value2 = PySequence_ITEM(tuple, 1);
+        if (unlikely(!value2)) goto bad;
+#else
+        value1 = PyTuple_GET_ITEM(tuple, 0);
+        value2 = PyTuple_GET_ITEM(tuple, 1);
+        Py_INCREF(value1);
+        Py_INCREF(value2);
+#endif
+        if (decref_tuple) { Py_DECREF(tuple); }
+    }
+    *pvalue1 = value1;
+    *pvalue2 = value2;
+    return 0;
+unpacking_failed:
+    if (!has_known_size && __Pyx_IterFinish() == 0)
+        __Pyx_RaiseNeedMoreValuesError(index);
+bad:
+    Py_XDECREF(iter);
+    Py_XDECREF(value1);
+    Py_XDECREF(value2);
+    if (decref_tuple) { Py_XDECREF(tuple); }
+    return -1;
+}
+
+static CYTHON_INLINE PyObject* __Pyx_dict_iterator(PyObject* iterable, int is_dict, PyObject* method_name,
+                                                   Py_ssize_t* p_orig_length, int* p_source_is_dict) {
+    is_dict = is_dict || likely(PyDict_CheckExact(iterable));
+    *p_source_is_dict = is_dict;
+#if !CYTHON_COMPILING_IN_PYPY
+    if (is_dict) {
+        *p_orig_length = PyDict_Size(iterable);
+        Py_INCREF(iterable);
+        return iterable;
+    }
+#endif
+    *p_orig_length = 0;
+    if (method_name) {
+        PyObject* iter;
+        iterable = PyObject_CallMethodObjArgs(iterable, method_name, NULL);
+        if (!iterable)
+            return NULL;
+#if !CYTHON_COMPILING_IN_PYPY
+        if (PyTuple_CheckExact(iterable) || PyList_CheckExact(iterable))
+            return iterable;
+#endif
+        iter = PyObject_GetIter(iterable);
+        Py_DECREF(iterable);
+        return iter;
+    }
+    return PyObject_GetIter(iterable);
+}
+static CYTHON_INLINE int __Pyx_dict_iter_next(PyObject* iter_obj, Py_ssize_t orig_length, Py_ssize_t* ppos,
+                                              PyObject** pkey, PyObject** pvalue, PyObject** pitem, int source_is_dict) {
+    PyObject* next_item;
+#if !CYTHON_COMPILING_IN_PYPY
+    if (source_is_dict) {
+        PyObject *key, *value;
+        if (unlikely(orig_length != PyDict_Size(iter_obj))) {
+            PyErr_SetString(PyExc_RuntimeError, "dictionary changed size during iteration");
+            return -1;
+        }
+        if (unlikely(!PyDict_Next(iter_obj, ppos, &key, &value))) {
+            return 0;
+        }
+        if (pitem) {
+            PyObject* tuple = PyTuple_New(2);
+            if (unlikely(!tuple)) {
+                return -1;
+            }
+            Py_INCREF(key);
+            Py_INCREF(value);
+            PyTuple_SET_ITEM(tuple, 0, key);
+            PyTuple_SET_ITEM(tuple, 1, value);
+            *pitem = tuple;
+        } else {
+            if (pkey) {
+                Py_INCREF(key);
+                *pkey = key;
+            }
+            if (pvalue) {
+                Py_INCREF(value);
+                *pvalue = value;
+            }
+        }
+        return 1;
+    } else if (PyTuple_CheckExact(iter_obj)) {
+        Py_ssize_t pos = *ppos;
+        if (unlikely(pos >= PyTuple_GET_SIZE(iter_obj))) return 0;
+        *ppos = pos + 1;
+        next_item = PyTuple_GET_ITEM(iter_obj, pos);
+        Py_INCREF(next_item);
+    } else if (PyList_CheckExact(iter_obj)) {
+        Py_ssize_t pos = *ppos;
+        if (unlikely(pos >= PyList_GET_SIZE(iter_obj))) return 0;
+        *ppos = pos + 1;
+        next_item = PyList_GET_ITEM(iter_obj, pos);
+        Py_INCREF(next_item);
+    } else
+#endif
+    {
+        next_item = PyIter_Next(iter_obj);
+        if (unlikely(!next_item)) {
+            return __Pyx_IterFinish();
+        }
+    }
+    if (pitem) {
+        *pitem = next_item;
+    } else if (pkey && pvalue) {
+        if (__Pyx_unpack_tuple2(next_item, pkey, pvalue, source_is_dict, source_is_dict, 1))
+            return -1;
+    } else if (pkey) {
+        *pkey = next_item;
+    } else {
+        *pvalue = next_item;
+    }
+    return 1;
 }
 
 static CYTHON_INLINE int __Pyx_div_int(int a, int b) {
@@ -61371,6 +61737,7 @@ static CYTHON_INLINE int __Pyx_div_int(int a, int b) {
 }
 
 static CYTHON_INLINE void __Pyx_ExceptionSave(PyObject **type, PyObject **value, PyObject **tb) {
+#if CYTHON_COMPILING_IN_CPYTHON
     PyThreadState *tstate = PyThreadState_GET();
     *type = tstate->exc_type;
     *value = tstate->exc_value;
@@ -61378,8 +61745,12 @@ static CYTHON_INLINE void __Pyx_ExceptionSave(PyObject **type, PyObject **value,
     Py_XINCREF(*type);
     Py_XINCREF(*value);
     Py_XINCREF(*tb);
+#else
+    PyErr_GetExcInfo(type, value, tb);
+#endif
 }
 static void __Pyx_ExceptionReset(PyObject *type, PyObject *value, PyObject *tb) {
+#if CYTHON_COMPILING_IN_CPYTHON
     PyObject *tmp_type, *tmp_value, *tmp_tb;
     PyThreadState *tstate = PyThreadState_GET();
     tmp_type = tstate->exc_type;
@@ -61391,6 +61762,9 @@ static void __Pyx_ExceptionReset(PyObject *type, PyObject *value, PyObject *tb)
     Py_XDECREF(tmp_type);
     Py_XDECREF(tmp_value);
     Py_XDECREF(tmp_tb);
+#else
+    PyErr_SetExcInfo(type, value, tb);
+#endif
 }
 
 static PyObject *__Pyx_Import(PyObject *name, PyObject *from_list, long level) {
@@ -61862,8 +62236,8 @@ static CYTHON_INLINE signed PY_LONG_LONG __Pyx_PyInt_AsSignedLongLong(PyObject*
     }
 }
 
-static void __Pyx_WriteUnraisable(const char *name, int clineno,
-                                  int lineno, const char *filename) {
+static void __Pyx_WriteUnraisable(const char *name, CYTHON_UNUSED int clineno,
+                                  CYTHON_UNUSED int lineno, CYTHON_UNUSED const char *filename) {
     PyObject *old_exc, *old_val, *old_tb;
     PyObject *ctx;
     __Pyx_ErrFetch(&old_exc, &old_val, &old_tb);
@@ -61883,6 +62257,7 @@ static void __Pyx_WriteUnraisable(const char *name, int clineno,
 
 static CYTHON_INLINE void __Pyx_ExceptionSwap(PyObject **type, PyObject **value, PyObject **tb) {
     PyObject *tmp_type, *tmp_value, *tmp_tb;
+#if CYTHON_COMPILING_IN_CPYTHON
     PyThreadState *tstate = PyThreadState_GET();
     tmp_type = tstate->exc_type;
     tmp_value = tstate->exc_value;
@@ -61890,6 +62265,10 @@ static CYTHON_INLINE void __Pyx_ExceptionSwap(PyObject **type, PyObject **value,
     tstate->exc_type = *type;
     tstate->exc_value = *value;
     tstate->exc_traceback = *tb;
+#else
+    PyErr_GetExcInfo(&tmp_type, &tmp_value, &tmp_tb);
+    PyErr_SetExcInfo(*type, *value, *tb);
+#endif
     *type = tmp_type;
     *value = tmp_value;
     *tb = tmp_tb;
@@ -61899,9 +62278,70 @@ static PyObject *__Pyx_Generator_Next(PyObject *self);
 static PyObject *__Pyx_Generator_Send(PyObject *self, PyObject *value);
 static PyObject *__Pyx_Generator_Close(PyObject *self);
 static PyObject *__Pyx_Generator_Throw(PyObject *gen, PyObject *args);
+static PyTypeObject *__pyx_GeneratorType = 0;
+#define __Pyx_Generator_CheckExact(obj) (Py_TYPE(obj) == __pyx_GeneratorType)
+#define __Pyx_Generator_Undelegate(gen) Py_CLEAR((gen)->yieldfrom)
+#if 1 || PY_VERSION_HEX < 0x030300B0
+static int __Pyx_PyGen_FetchStopIterationValue(PyObject **pvalue) {
+    PyObject *et, *ev, *tb;
+    PyObject *value = NULL;
+    __Pyx_ErrFetch(&et, &ev, &tb);
+    if (!et) {
+        Py_XDECREF(tb);
+        Py_XDECREF(ev);
+        Py_INCREF(Py_None);
+        *pvalue = Py_None;
+        return 0;
+    }
+    if (unlikely(et != PyExc_StopIteration) &&
+            unlikely(!PyErr_GivenExceptionMatches(et, PyExc_StopIteration))) {
+        __Pyx_ErrRestore(et, ev, tb);
+        return -1;
+    }
+    if (likely(et == PyExc_StopIteration)) {
+        if (likely(!ev) || !PyObject_IsInstance(ev, PyExc_StopIteration)) {
+            if (!ev) {
+                Py_INCREF(Py_None);
+                ev = Py_None;
+            }
+            Py_XDECREF(tb);
+            Py_DECREF(et);
+            *pvalue = ev;
+            return 0;
+        }
+    }
+    PyErr_NormalizeException(&et, &ev, &tb);
+    if (unlikely(!PyObject_IsInstance(ev, PyExc_StopIteration))) {
+        __Pyx_ErrRestore(et, ev, tb);
+        return -1;
+    }
+    Py_XDECREF(tb);
+    Py_DECREF(et);
+#if PY_VERSION_HEX >= 0x030300A0
+    value = ((PyStopIterationObject *)ev)->value;
+    Py_INCREF(value);
+    Py_DECREF(ev);
+#else
+    {
+        PyObject* args = PyObject_GetAttrString(ev, "args");
+        Py_DECREF(ev);
+        if (likely(args)) {
+            value = PyObject_GetItem(args, 0);
+            Py_DECREF(args);
+        }
+        if (unlikely(!value)) {
+            __Pyx_ErrRestore(NULL, NULL, NULL);
+            Py_INCREF(Py_None);
+            value = Py_None;
+        }
+    }
+#endif
+    *pvalue = value;
+    return 0;
+}
+#endif
 static CYTHON_INLINE
-void __Pyx_Generator_ExceptionClear(__pyx_GeneratorObject *self)
-{
+void __Pyx_Generator_ExceptionClear(__pyx_GeneratorObject *self) {
     PyObject *exc_type = self->exc_type;
     PyObject *exc_value = self->exc_value;
     PyObject *exc_traceback = self->exc_traceback;
@@ -61913,14 +62353,18 @@ void __Pyx_Generator_ExceptionClear(__pyx_GeneratorObject *self)
     Py_XDECREF(exc_traceback);
 }
 static CYTHON_INLINE
-PyObject *__Pyx_Generator_SendEx(__pyx_GeneratorObject *self, PyObject *value)
-{
-    PyObject *retval;
-    if (unlikely(self->is_running)) {
+int __Pyx_Generator_CheckRunning(__pyx_GeneratorObject *gen) {
+    if (unlikely(gen->is_running)) {
         PyErr_SetString(PyExc_ValueError,
                         "generator already executing");
-        return NULL;
+        return 1;
     }
+    return 0;
+}
+static CYTHON_INLINE
+PyObject *__Pyx_Generator_SendEx(__pyx_GeneratorObject *self, PyObject *value) {
+    PyObject *retval;
+    assert(!self->is_running);
     if (unlikely(self->resume_label == 0)) {
         if (unlikely(value && value != Py_None)) {
             PyErr_SetString(PyExc_TypeError,
@@ -61933,81 +62377,240 @@ PyObject *__Pyx_Generator_SendEx(__pyx_GeneratorObject *self, PyObject *value)
         PyErr_SetNone(PyExc_StopIteration);
         return NULL;
     }
-    if (value)
-        __Pyx_ExceptionSwap(&self->exc_type, &self->exc_value, &self->exc_traceback);
-    else
+    if (value) {
+#if CYTHON_COMPILING_IN_PYPY
+#else
+        /* Generators always return to their most recent caller, not
+         * necessarily their creator. */
+        if (self->exc_traceback) {
+            PyThreadState *tstate = PyThreadState_GET();
+            PyTracebackObject *tb = (PyTracebackObject *) self->exc_traceback;
+            PyFrameObject *f = tb->tb_frame;
+            Py_XINCREF(tstate->frame);
+            assert(f->f_back == NULL);
+            f->f_back = tstate->frame;
+        }
+#endif
+        __Pyx_ExceptionSwap(&self->exc_type, &self->exc_value,
+                            &self->exc_traceback);
+    } else {
         __Pyx_Generator_ExceptionClear(self);
+    }
     self->is_running = 1;
     retval = self->body((PyObject *) self, value);
     self->is_running = 0;
-    if (retval)
-        __Pyx_ExceptionSwap(&self->exc_type, &self->exc_value, &self->exc_traceback);
-    else
+    if (retval) {
+        __Pyx_ExceptionSwap(&self->exc_type, &self->exc_value,
+                            &self->exc_traceback);
+#if CYTHON_COMPILING_IN_PYPY
+#else
+        /* Don't keep the reference to f_back any longer than necessary.  It
+         * may keep a chain of frames alive or it could create a reference
+         * cycle. */
+        if (self->exc_traceback) {
+            PyTracebackObject *tb = (PyTracebackObject *) self->exc_traceback;
+            PyFrameObject *f = tb->tb_frame;
+            Py_CLEAR(f->f_back);
+        }
+#endif
+    } else {
         __Pyx_Generator_ExceptionClear(self);
+    }
     return retval;
 }
-static PyObject *__Pyx_Generator_Next(PyObject *self)
-{
-    return __Pyx_Generator_SendEx((__pyx_GeneratorObject *) self, Py_None);
+static CYTHON_INLINE
+PyObject *__Pyx_Generator_FinishDelegation(__pyx_GeneratorObject *gen) {
+    PyObject *ret;
+    PyObject *val = NULL;
+    __Pyx_Generator_Undelegate(gen);
+    __Pyx_PyGen_FetchStopIterationValue(&val);
+    ret = __Pyx_Generator_SendEx(gen, val);
+    Py_XDECREF(val);
+    return ret;
+}
+static PyObject *__Pyx_Generator_Next(PyObject *self) {
+    __pyx_GeneratorObject *gen = (__pyx_GeneratorObject*) self;
+    PyObject *yf = gen->yieldfrom;
+    if (unlikely(__Pyx_Generator_CheckRunning(gen)))
+        return NULL;
+    if (yf) {
+        PyObject *ret;
+        gen->is_running = 1;
+        ret = Py_TYPE(yf)->tp_iternext(yf);
+        gen->is_running = 0;
+        if (likely(ret)) {
+            return ret;
+        }
+        return __Pyx_Generator_FinishDelegation(gen);
+    }
+    return __Pyx_Generator_SendEx(gen, Py_None);
+}
+static PyObject *__Pyx_Generator_Send(PyObject *self, PyObject *value) {
+    __pyx_GeneratorObject *gen = (__pyx_GeneratorObject*) self;
+    PyObject *yf = gen->yieldfrom;
+    if (unlikely(__Pyx_Generator_CheckRunning(gen)))
+        return NULL;
+    if (yf) {
+        PyObject *ret;
+        gen->is_running = 1;
+        if (__Pyx_Generator_CheckExact(yf)) {
+            ret = __Pyx_Generator_Send(yf, value);
+        } else {
+            if (value == Py_None)
+                ret = PyIter_Next(yf);
+            else
+                ret = PyObject_CallMethod(yf, (char*)"send", (char*)"O", value);
+        }
+        gen->is_running = 0;
+        if (likely(ret)) {
+            return ret;
+        }
+        return __Pyx_Generator_FinishDelegation(gen);
+    }
+    return __Pyx_Generator_SendEx(gen, value);
 }
-static PyObject *__Pyx_Generator_Send(PyObject *self, PyObject *value)
-{
-    return __Pyx_Generator_SendEx((__pyx_GeneratorObject *) self, value);
+static int __Pyx_Generator_CloseIter(__pyx_GeneratorObject *gen, PyObject *yf) {
+    PyObject *retval = NULL;
+    int err = 0;
+    if (__Pyx_Generator_CheckExact(yf)) {
+        retval = __Pyx_Generator_Close(yf);
+        if (!retval)
+            return -1;
+    } else {
+        PyObject *meth;
+        gen->is_running = 1;
+        meth = PyObject_GetAttrString(yf, "close");
+        if (unlikely(!meth)) {
+            if (!PyErr_ExceptionMatches(PyExc_AttributeError)) {
+                PyErr_WriteUnraisable(yf);
+            }
+            PyErr_Clear();
+        } else {
+            retval = PyObject_CallFunction(meth, NULL);
+            Py_DECREF(meth);
+            if (!retval)
+                err = -1;
+        }
+        gen->is_running = 0;
+    }
+    Py_XDECREF(retval);
+    return err;
 }
-static PyObject *__Pyx_Generator_Close(PyObject *self)
-{
-    __pyx_GeneratorObject *generator = (__pyx_GeneratorObject *) self;
-    PyObject *retval;
+static PyObject *__Pyx_Generator_Close(PyObject *self) {
+    __pyx_GeneratorObject *gen = (__pyx_GeneratorObject *) self;
+    PyObject *retval, *raised_exception;
+    PyObject *yf = gen->yieldfrom;
+    int err = 0;
+    if (unlikely(__Pyx_Generator_CheckRunning(gen)))
+        return NULL;
+    if (yf) {
+        Py_INCREF(yf);
+        err = __Pyx_Generator_CloseIter(gen, yf);
+        __Pyx_Generator_Undelegate(gen);
+        Py_DECREF(yf);
+    }
+    if (err == 0)
 #if PY_VERSION_HEX < 0x02050000
-    PyErr_SetNone(PyExc_StopIteration);
+        PyErr_SetNone(PyExc_StopIteration);
 #else
-    PyErr_SetNone(PyExc_GeneratorExit);
+        PyErr_SetNone(PyExc_GeneratorExit);
 #endif
-    retval = __Pyx_Generator_SendEx(generator, NULL);
+    retval = __Pyx_Generator_SendEx(gen, NULL);
     if (retval) {
         Py_DECREF(retval);
         PyErr_SetString(PyExc_RuntimeError,
                         "generator ignored GeneratorExit");
         return NULL;
     }
-#if PY_VERSION_HEX < 0x02050000
-    if (PyErr_ExceptionMatches(PyExc_StopIteration))
-#else
-    if (PyErr_ExceptionMatches(PyExc_StopIteration)
-        || PyErr_ExceptionMatches(PyExc_GeneratorExit))
+    raised_exception = PyErr_Occurred();
+    if (!raised_exception
+        || raised_exception == PyExc_StopIteration
+#if PY_VERSION_HEX >= 0x02050000
+        || raised_exception == PyExc_GeneratorExit
+        || PyErr_GivenExceptionMatches(raised_exception, PyExc_GeneratorExit)
 #endif
+        || PyErr_GivenExceptionMatches(raised_exception, PyExc_StopIteration))
     {
-        PyErr_Clear();          /* ignore these errors */
+        if (raised_exception) PyErr_Clear();      /* ignore these errors */
         Py_INCREF(Py_None);
         return Py_None;
     }
     return NULL;
 }
-static PyObject *__Pyx_Generator_Throw(PyObject *self, PyObject *args)
-{
-    __pyx_GeneratorObject *generator = (__pyx_GeneratorObject *) self;
+static PyObject *__Pyx_Generator_Throw(PyObject *self, PyObject *args) {
+    __pyx_GeneratorObject *gen = (__pyx_GeneratorObject *) self;
     PyObject *typ;
     PyObject *tb = NULL;
     PyObject *val = NULL;
+    PyObject *yf = gen->yieldfrom;
     if (!PyArg_UnpackTuple(args, (char *)"throw", 1, 3, &typ, &val, &tb))
         return NULL;
+    if (unlikely(__Pyx_Generator_CheckRunning(gen)))
+        return NULL;
+    if (yf) {
+        PyObject *ret;
+        Py_INCREF(yf);
+#if PY_VERSION_HEX >= 0x02050000
+        if (PyErr_GivenExceptionMatches(typ, PyExc_GeneratorExit)) {
+            int err = __Pyx_Generator_CloseIter(gen, yf);
+            Py_DECREF(yf);
+            __Pyx_Generator_Undelegate(gen);
+            if (err < 0)
+                return __Pyx_Generator_SendEx(gen, NULL);
+            goto throw_here;
+        }
+#endif
+        gen->is_running = 1;
+        if (__Pyx_Generator_CheckExact(yf)) {
+            ret = __Pyx_Generator_Throw(yf, args);
+        } else {
+            PyObject *meth = PyObject_GetAttrString(yf, "throw");
+            if (unlikely(!meth)) {
+                Py_DECREF(yf);
+                if (!PyErr_ExceptionMatches(PyExc_AttributeError)) {
+                    gen->is_running = 0;
+                    return NULL;
+                }
+                PyErr_Clear();
+                __Pyx_Generator_Undelegate(gen);
+                gen->is_running = 0;
+                goto throw_here;
+            }
+            ret = PyObject_CallObject(meth, args);
+            Py_DECREF(meth);
+        }
+        gen->is_running = 0;
+        Py_DECREF(yf);
+        if (!ret) {
+            ret = __Pyx_Generator_FinishDelegation(gen);
+        }
+        return ret;
+    }
+throw_here:
     __Pyx_Raise(typ, val, tb, NULL);
-    return __Pyx_Generator_SendEx(generator, NULL);
+    return __Pyx_Generator_SendEx(gen, NULL);
 }
-static int
-__Pyx_Generator_traverse(PyObject *self, visitproc visit, void *arg)
-{
+static int __Pyx_Generator_traverse(PyObject *self, visitproc visit, void *arg) {
     __pyx_GeneratorObject *gen = (__pyx_GeneratorObject *) self;
     Py_VISIT(gen->closure);
     Py_VISIT(gen->classobj);
+    Py_VISIT(gen->yieldfrom);
     Py_VISIT(gen->exc_type);
     Py_VISIT(gen->exc_value);
     Py_VISIT(gen->exc_traceback);
     return 0;
 }
-static void
-__Pyx_Generator_dealloc(PyObject *self)
-{
+static int __Pyx_Generator_clear(PyObject *self) {
+    __pyx_GeneratorObject *gen = (__pyx_GeneratorObject *) self;
+    Py_CLEAR(gen->closure);
+    Py_CLEAR(gen->classobj);
+    Py_CLEAR(gen->yieldfrom);
+    Py_CLEAR(gen->exc_type);
+    Py_CLEAR(gen->exc_value);
+    Py_CLEAR(gen->exc_traceback);
+    return 0;
+}
+static void __Pyx_Generator_dealloc(PyObject *self) {
     __pyx_GeneratorObject *gen = (__pyx_GeneratorObject *) self;
     PyObject_GC_UnTrack(gen);
     if (gen->gi_weakreflist != NULL)
@@ -62019,16 +62622,10 @@ __Pyx_Generator_dealloc(PyObject *self)
             return;                     /* resurrected.  :( */
     }
     PyObject_GC_UnTrack(self);
-    Py_CLEAR(gen->closure);
-    Py_CLEAR(gen->classobj);
-    Py_CLEAR(gen->exc_type);
-    Py_CLEAR(gen->exc_value);
-    Py_CLEAR(gen->exc_traceback);
+    __Pyx_Generator_clear(self);
     PyObject_GC_Del(gen);
 }
-static void
-__Pyx_Generator_del(PyObject *self)
-{
+static void __Pyx_Generator_del(PyObject *self) {
     PyObject *res;
     PyObject *error_type, *error_value, *error_traceback;
     __pyx_GeneratorObject *gen = (__pyx_GeneratorObject *) self;
@@ -62057,11 +62654,13 @@ __Pyx_Generator_del(PyObject *self)
         _Py_NewReference(self);
         self->ob_refcnt = refcnt;
     }
+#if CYTHON_COMPILING_FOR_CPYTHON
     assert(PyType_IS_GC(self->ob_type) &&
            _Py_AS_GC(self)->gc.gc_refs != _PyGC_REFS_UNTRACKED);
     /* If Py_REF_DEBUG, _Py_NewReference bumped _Py_RefTotal, so
      * we need to undo that. */
     _Py_DEC_REFTOTAL;
+#endif
     /* If Py_TRACE_REFS, _Py_NewReference re-added self to the object
      * chain, so no more to do there.
      * If COUNT_ALLOCS, the original decref bumped tp_frees, and
@@ -62069,13 +62668,17 @@ __Pyx_Generator_del(PyObject *self)
      * undone.
      */
 #ifdef COUNT_ALLOCS
-    --self->ob_type->tp_frees;
-    --self->ob_type->tp_allocs;
+    --Py_TYPE(self)->tp_frees;
+    --Py_TYPE(self)->tp_allocs;
 #endif
 }
 static PyMemberDef __pyx_Generator_memberlist[] = {
     {(char *) "gi_running",
+#if PY_VERSION_HEX >= 0x02060000
+     T_BOOL,
+#else
      T_INT,
+#endif
      offsetof(__pyx_GeneratorObject, is_running),
      READONLY,
      NULL},
@@ -62087,7 +62690,7 @@ static PyMethodDef __pyx_Generator_methods[] = {
     {__Pyx_NAMESTR("close"), (PyCFunction) __Pyx_Generator_Close, METH_NOARGS, 0},
     {0, 0, 0, 0}
 };
-static PyTypeObject __pyx_GeneratorType = {
+static PyTypeObject __pyx_GeneratorType_type = {
     PyVarObject_HEAD_INIT(0, 0)
     __Pyx_NAMESTR("generator"),         /*tp_name*/
     sizeof(__pyx_GeneratorObject),      /*tp_basicsize*/
@@ -62108,7 +62711,7 @@ static PyTypeObject __pyx_GeneratorType = {
     0,                                  /*tp_hash*/
     0,                                  /*tp_call*/
     0,                                  /*tp_str*/
-    PyObject_GenericGetAttr,            /*tp_getattro*/
+    0,                                  /*tp_getattro*/
     0,                                  /*tp_setattro*/
     0,                                  /*tp_as_buffer*/
     Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC, /* tp_flags*/
@@ -62117,7 +62720,7 @@ static PyTypeObject __pyx_GeneratorType = {
     0,                                  /*tp_clear*/
     0,                                  /*tp_richcompare*/
     offsetof(__pyx_GeneratorObject, gi_weakreflist), /* tp_weaklistoffse */
-    PyObject_SelfIter,                  /*tp_iter*/
+    0,                                  /*tp_iter*/
     (iternextfunc) __Pyx_Generator_Next, /*tp_iternext*/
     __pyx_Generator_methods,            /*tp_methods*/
     __pyx_Generator_memberlist,         /*tp_members*/
@@ -62142,12 +62745,10 @@ static PyTypeObject __pyx_GeneratorType = {
     0,                                  /*tp_version_tag*/
 #endif
 };
-static
-__pyx_GeneratorObject *__Pyx_Generator_New(__pyx_generator_body_t body,
-                                           PyObject *closure)
-{
+static __pyx_GeneratorObject *__Pyx_Generator_New(__pyx_generator_body_t body,
+                                                  PyObject *closure) {
     __pyx_GeneratorObject *gen =
-        PyObject_GC_New(__pyx_GeneratorObject, &__pyx_GeneratorType);
+        PyObject_GC_New(__pyx_GeneratorObject, &__pyx_GeneratorType_type);
     if (gen == NULL)
         return NULL;
     gen->body = body;
@@ -62156,6 +62757,7 @@ __pyx_GeneratorObject *__Pyx_Generator_New(__pyx_generator_body_t body,
     gen->is_running = 0;
     gen->resume_label = 0;
     gen->classobj = NULL;
+    gen->yieldfrom = NULL;
     gen->exc_type = NULL;
     gen->exc_value = NULL;
     gen->exc_traceback = NULL;
@@ -62163,9 +62765,14 @@ __pyx_GeneratorObject *__Pyx_Generator_New(__pyx_generator_body_t body,
     PyObject_GC_Track(gen);
     return gen;
 }
-static int __pyx_Generator_init(void)
-{
-    return PyType_Ready(&__pyx_GeneratorType);
+static int __pyx_Generator_init(void) {
+    __pyx_GeneratorType_type.tp_getattro = PyObject_GenericGetAttr;
+    __pyx_GeneratorType_type.tp_iter = PyObject_SelfIter;
+    if (PyType_Ready(&__pyx_GeneratorType_type)) {
+        return -1;
+    }
+    __pyx_GeneratorType = &__pyx_GeneratorType_type;
+    return 0;
 }
 
 static int __Pyx_check_binary_version(void) {
@@ -62187,6 +62794,42 @@ static int __Pyx_check_binary_version(void) {
     return 0;
 }
 
+static int __Pyx_ExportFunction(const char *name, void (*f)(void), const char *sig) {
+    PyObject *d = 0;
+    PyObject *cobj = 0;
+    union {
+        void (*fp)(void);
+        void *p;
+    } tmp;
+    d = PyObject_GetAttrString(__pyx_m, (char *)"__pyx_capi__");
+    if (!d) {
+        PyErr_Clear();
+        d = PyDict_New();
+        if (!d)
+            goto bad;
+        Py_INCREF(d);
+        if (PyModule_AddObject(__pyx_m, (char *)"__pyx_capi__", d) < 0)
+            goto bad;
+    }
+    tmp.fp = f;
+#if PY_VERSION_HEX >= 0x02070000 && !(PY_MAJOR_VERSION==3&&PY_MINOR_VERSION==0)
+    cobj = PyCapsule_New(tmp.p, sig, 0);
+#else
+    cobj = PyCObject_FromVoidPtrAndDesc(tmp.p, (void *)sig, 0);
+#endif
+    if (!cobj)
+        goto bad;
+    if (PyDict_SetItemString(d, name, cobj) < 0)
+        goto bad;
+    Py_DECREF(cobj);
+    Py_DECREF(d);
+    return 0;
+bad:
+    Py_XDECREF(cobj);
+    Py_XDECREF(d);
+    return -1;
+}
+
 static int __Pyx_SetVtable(PyObject *dict, void *vtable) {
 #if PY_VERSION_HEX >= 0x02070000 && !(PY_MAJOR_VERSION==3&&PY_MINOR_VERSION==0)
     PyObject *ob = PyCapsule_New(vtable, 0, 0);
diff --git a/python/src/sa/_sa.pxd b/python/src/sa/_sa.pxd
new file mode 100644
index 00000000..d390bfc5
--- /dev/null
+++ b/python/src/sa/_sa.pxd
@@ -0,0 +1,17 @@
+cdef class Phrase:
+    cdef int *syms
+    cdef int n, *varpos, n_vars
+    cdef public int chunkpos(self, int k)
+    cdef public int chunklen(self, int k)
+
+cdef class Rule:
+    cdef public int lhs
+    cdef readonly Phrase f, e
+    cdef float *cscores
+    cdef int n_scores
+    cdef public word_alignments
+
+cdef char* sym_tostring(int sym)
+cdef char* sym_tocat(int sym)
+cdef int sym_isvar(int sym)
+cdef int sym_getindex(int sym)
diff --git a/python/src/sa/_cdec_sa.pyx b/python/src/sa/_sa.pyx
index 710f8cb4..710f8cb4 100644
--- a/python/src/sa/_cdec_sa.pyx
+++ b/python/src/sa/_sa.pyx
diff --git a/python/src/sa/rule.pxi b/python/src/sa/rule.pxi
index 9c34f66d..bf1a83c6 100644
--- a/python/src/sa/rule.pxi
+++ b/python/src/sa/rule.pxi
@@ -2,8 +2,6 @@ from libc.stdlib cimport malloc, calloc, realloc, free, strtof, strtol
 from libc.string cimport strsep, strcpy, strlen
         
 cdef class Phrase:
-    cdef int *syms
-    cdef int n, *varpos, n_vars
 
     def __cinit__(self, words):
         cdef int i, j, n, n_vars
@@ -12,14 +10,14 @@ cdef class Phrase:
         self.syms = <int *>malloc(n*sizeof(int))
         for i from 0 <= i < n:
             self.syms[i] = words[i]
-            if ALPHABET.isvar(self.syms[i]):
+            if sym_isvar(self.syms[i]):
                 n_vars += 1
         self.n = n
         self.n_vars = n_vars
         self.varpos = <int *>malloc(n_vars*sizeof(int))
         j = 0
         for i from 0 <= i < n:
-            if ALPHABET.isvar(self.syms[i]):
+            if sym_isvar(self.syms[i]):
                 self.varpos[j] = i
                 j = j + 1
 
@@ -32,7 +30,7 @@ cdef class Phrase:
         cdef int i, s
         for i from 0 <= i < self.n:
             s = self.syms[i]
-            strs.append(ALPHABET.tostring(s))
+            strs.append(sym_tostring(s))
         return " ".join(strs)
 
     def handle(self):
@@ -44,8 +42,8 @@ cdef class Phrase:
         j = 0
         for j from 0 <= j < self.n:
             s = self.syms[j]
-            if ALPHABET.isvar(s):
-                s = ALPHABET.setindex(s,i)
+            if sym_isvar(s):
+                s = sym_setindex(s,i)
                 i = i + 1
             norm.append(s)
         return tuple(norm)
@@ -58,10 +56,10 @@ cdef class Phrase:
         j = 0
         for j from 0 <= j < self.n:
             s = self.syms[j]
-            if ALPHABET.isvar(s):
-                s = ALPHABET.setindex(s,i)
+            if sym_isvar(s):
+                s = sym_setindex(s,i)
                 i = i + 1
-            norm.append(ALPHABET.tostring(s))
+            norm.append(sym_tostring(s))
         return " ".join(norm)
 
     def arity(self):
@@ -142,33 +140,30 @@ cdef class Phrase:
 
     def __iter__(self):
         cdef int i
-        l = []
         for i from 0 <= i < self.n:
-            l.append(self.syms[i])
-        return iter(l)
+            yield self.syms[i]
 
     def subst(self, start, children):
         cdef int i
         for i from 0 <= i < self.n:
-            if ALPHABET.isvar(self.syms[i]):
-                start = start + children[ALPHABET.getindex(self.syms[i])-1]
+            if sym_isvar(self.syms[i]):
+                start = start + children[sym_getindex(self.syms[i])-1]
             else:
                 start = start + (self.syms[i],)
         return start
+    
+    property words:
+        def __get__(self):
+            return [sym_tostring(w) for w in self if not sym_isvar(w)]
 
 cdef class Rule:
-    cdef public int lhs
-    cdef readonly Phrase f, e
-    cdef float *cscores
-    cdef int n_scores
-    cdef public word_alignments
 
     def __cinit__(self, int lhs, Phrase f, Phrase e,
             scores=None, word_alignments=None):
         cdef int i, n
         cdef char *rest
 
-        if not ALPHABET.isvar(lhs):
+        if not sym_isvar(lhs):
             raise Exception('Invalid LHS symbol: %d' % lhs)
 
         self.lhs = lhs
@@ -214,7 +209,7 @@ cdef class Rule:
         scorestrs = []
         for i from 0 <= i < self.n_scores:
             scorestrs.append(str(self.cscores[i]))
-        fields = [ALPHABET.tostring(self.lhs), str(self.f), str(self.e), " ".join(scorestrs)]
+        fields = [sym_tostring(self.lhs), str(self.f), str(self.e), " ".join(scorestrs)]
         if self.word_alignments is not None:
             alignstr = []
             for i from 0 <= i < len(self.word_alignments):
diff --git a/python/src/sa/rulefactory.pxi b/python/src/sa/rulefactory.pxi
index 24bb680f..1c8d25a4 100644
--- a/python/src/sa/rulefactory.pxi
+++ b/python/src/sa/rulefactory.pxi
@@ -975,7 +975,6 @@ cdef class HieroCachingRuleFactory:
                     continue
                 
                 phrase = prefix + (word_id,)
-                str_phrase = map(sym_tostring, phrase)
                 hiero_phrase = Phrase(phrase)
                 arity = hiero_phrase.arity()
 
@@ -1019,7 +1018,7 @@ cdef class HieroCachingRuleFactory:
                         else:
                             # Suffix array search
                             phrase_location = node.phrase_location
-                            sa_range = self.fsa.lookup(str_phrase[-1], len(str_phrase)-1, phrase_location.sa_low, phrase_location.sa_high)
+                            sa_range = self.fsa.lookup(sym_tostring(phrase[-1]), len(phrase)-1, phrase_location.sa_low, phrase_location.sa_high)
                             if sa_range is not None:
                                 phrase_location = PhraseLocation(sa_low=sa_range[0], sa_high=sa_range[1])
                             else:
diff --git a/python/src/sa/sym.pxi b/python/src/sa/sym.pxi
index 3fd6c5a7..132925f6 100644
--- a/python/src/sa/sym.pxi
+++ b/python/src/sa/sym.pxi
@@ -53,14 +53,12 @@ cdef class Alphabet:
         if self.isvar(sym):
             if sym in self.id2sym:
                 return self.id2sym[sym]
-
             ind = self.getindex(sym)
             if ind > 0:
                 self.id2sym[sym] = "[%s,%d]" % (self.tocat(sym), ind)
             else:
                 self.id2sym[sym] = "[%s]" % self.tocat(sym)
             return self.id2sym[sym]
-                
         else:
             return self.terminals.word(sym)
 
@@ -88,14 +86,20 @@ cdef class Alphabet:
 
 cdef Alphabet ALPHABET = Alphabet()
 
-def sym_tostring(int sym):
+cdef char* sym_tostring(int sym):
     return ALPHABET.tostring(sym)
 
-def sym_fromstring(bytes string, bint terminal):
-    return ALPHABET.fromstring(string, terminal)
+cdef char* sym_tocat(int sym):
+    return ALPHABET.tocat(sym)
 
-def sym_isvar(int sym):
+cdef int sym_isvar(int sym):
     return ALPHABET.isvar(sym)
 
+cdef int sym_getindex(int sym):
+    return ALPHABET.getindex(sym)
+
 cdef int sym_setindex(int sym, int id):
     return ALPHABET.setindex(sym, id)
+
+def sym_fromstring(char* string, bint terminal):
+    return ALPHABET.fromstring(string, terminal)