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diff --git a/scripts/genspecialtable.py b/scripts/genspecialtable.py
new file mode 100644
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+++ b/scripts/genspecialtable.py
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+# -*- coding: utf-8 -*-
+# vim:set et sts=4 sw=4:
+#
+# libpinyin - Library to deal with pinyin.
+#
+# Copyright (C) 2011 Peng Wu <alexepico@gmail.com>
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2, or (at your option)
+# any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+
+
+import operator
+import pinyin
+from pinyintable import get_chewing, get_shengmu_chewing
+from specialtable import *
+
+pinyin_list = sorted(pinyin.PINYIN_LIST)
+shengmu_list = sorted(pinyin.SHENGMU_LIST)
+
+divided_list = []
+resplit_list = []
+
+
+def sort_all():
+    global divided_list, resplit_list
+    divided_list = sorted(divided_list, key=operator.itemgetter(0))
+    resplit_list = sorted(resplit_list, key=operator.itemgetter(0, 1))
+
+'''
+def get_chewing_string(pinyin):
+    #handle shengmu
+    if pinyin not in pinyin_list:
+        if pinyin in shengmu_list:
+            chewing_key = get_shengmu_chewing(pinyin)
+        else:
+            assert False, "Un-expected pinyin string."
+    else:
+        chewing_key = get_chewing(pinyin)
+    chewing_str = 'ChewingKey({0})'.format(', '.join(chewing_key))
+    return chewing_str
+'''
+
+def gen_divided_table():
+    entries = []
+    for (pinyin_key, orig_freq, first_key, second_key, new_freq) \
+            in divided_list:
+
+        if orig_freq >= new_freq:
+            assert orig_freq > 0, "Expected orig_freq > 0 here."
+
+        entry = '{{"{0}", {1}, {{"{2}", "{3}"}}, {4}}}'.format \
+            (pinyin_key, orig_freq, first_key, second_key, new_freq)
+        entries.append(entry)
+    return ',\n'.join(entries)
+
+
+def gen_resplit_table():
+    entries = []
+    for (orig_first_key, orig_second_key, orig_freq, \
+        new_first_key, new_second_key, new_freq) in resplit_list:
+
+        if orig_freq >= new_freq:
+            assert orig_freq > 0, "Expected orig_freq > 0 here."
+
+        entry = '{{{{"{0}", "{1}"}}, {2}, {{"{3}", "{4}"}}, {5}}}'.format \
+            (orig_first_key, orig_second_key, orig_freq,\
+                 new_first_key, new_second_key, new_freq)
+        entries.append(entry)
+    return ',\n'.join(entries)
+
+
+#init code, load lists
+divided_list = filter_divided()
+resplit_list = filter_resplit()
+sort_all()
+
+
+### main function ###
+if __name__ == "__main__":
+    s = gen_divided_table() + '\n' + gen_resplit_table()
+    print(s)
+