ara Natchan ga tabechatta no
ara natchan ga tabechatta no ?
a r a WORD_BOUNDARY n a t t̠ʃ a n WORD_BOUNDARY g a WORD_BOUNDARY t a b e t̠ʃ a t t a WORD_BOUNDARY n o WORD_BOUNDARY
a r a WORD_BOUNDARY n a t c h a n WORD_BOUNDARY g a WORD_BOUNDARY t a b e c h a t t a WORD_BOUNDARY n o WORD_BOUNDARY