a Otoochan wa tsukareta
a otoochan wa tsukareta .
a WORD_BOUNDARY o t oː t̠ʃ a n WORD_BOUNDARY w a WORD_BOUNDARY t͡s ɯ k a r e t a WORD_BOUNDARY
a WORD_BOUNDARY o t o o c h a n WORD_BOUNDARY w a WORD_BOUNDARY t s u k a r e t a WORD_BOUNDARY