a Otoochan ni moratta n
a otoochan ni moratta n ?
a WORD_BOUNDARY o t oː t̠ʃ a n WORD_BOUNDARY n i WORD_BOUNDARY m o r a t t a WORD_BOUNDARY n WORD_BOUNDARY
a WORD_BOUNDARY o t o o c h a n WORD_BOUNDARY n i WORD_BOUNDARY m o r a t t a WORD_BOUNDARY n WORD_BOUNDARY