kaakaa hen ni natteru
kaakaa hen ni natteru ?
k aː k aː WORD_BOUNDARY h e n WORD_BOUNDARY n i WORD_BOUNDARY n a t t e r ɯ WORD_BOUNDARY
k a a k a a WORD_BOUNDARY h e n WORD_BOUNDARY n i WORD_BOUNDARY n a t t e r u WORD_BOUNDARY