denwa ga natteru kanaa
denwa ga natteru kanaa ?
d e n w a WORD_BOUNDARY g a WORD_BOUNDARY n a t t e r ɯ WORD_BOUNDARY k a n aː WORD_BOUNDARY
d e n w a WORD_BOUNDARY g a WORD_BOUNDARY n a t t e r u WORD_BOUNDARY k a n a a WORD_BOUNDARY