tk A sama tk B aku eee
tk a sama tk b aku eee .
t k WORD_BOUNDARY a WORD_BOUNDARY s a m a WORD_BOUNDARY t k WORD_BOUNDARY b WORD_BOUNDARY a k u WORD_BOUNDARY ə ə ə WORD_BOUNDARY
t k WORD_BOUNDARY a WORD_BOUNDARY s a m a WORD_BOUNDARY t k WORD_BOUNDARY b WORD_BOUNDARY a k u WORD_BOUNDARY e e e WORD_BOUNDARY . WORD_BOUNDARY