a bunshoo ni naru to
a bunshoo ni naru to .
a WORD_BOUNDARY b ɯ n ʃ oː WORD_BOUNDARY n i WORD_BOUNDARY n a r ɯ WORD_BOUNDARY t o WORD_BOUNDARY
a WORD_BOUNDARY b u n s h o o WORD_BOUNDARY n i WORD_BOUNDARY n a r u WORD_BOUNDARY t o WORD_BOUNDARY