file = codecs.open(u'words.txt', 'w', 'utf-8')
words = []
for i in triple_letters:
    if i not in words:
        triple_letters.append(i)
        if len(i) > 3:
            m = re.sub(u'([a-zA-Z])\1\1\1', u'\\1', i)
            for i in m:
            s = re.sub(u'\\b(\w)\1\1\1', u'\\1\\1', i)
            file.write(i + u',' + i + '\n')
        else:
            file.write(i + '\n')