hikooki ni notte doko iku
hikooki ni notte doko iku ?
h i k oː k i WORD_BOUNDARY n i WORD_BOUNDARY n o t t e WORD_BOUNDARY d o k o WORD_BOUNDARY i k ɯ WORD_BOUNDARY
h i k o o k i WORD_BOUNDARY n i WORD_BOUNDARY n o t t e WORD_BOUNDARY d o k o WORD_BOUNDARY i k u WORD_BOUNDARY