oto ga shinaku natte kara
oto ga shinaku natte kara .
o t o WORD_BOUNDARY g a WORD_BOUNDARY ʃ i n a k ɯ WORD_BOUNDARY n a t t e WORD_BOUNDARY k a r a WORD_BOUNDARY
o t o WORD_BOUNDARY g a WORD_BOUNDARY s h i n a k u WORD_BOUNDARY n a t t e WORD_BOUNDARY k a r a WORD_BOUNDARY