dono hikooki noro ka naa
dono hikooki noro ka naa ?
d o n o WORD_BOUNDARY h i k oː k i WORD_BOUNDARY n o r o WORD_BOUNDARY k a WORD_BOUNDARY n aː WORD_BOUNDARY
d o n o WORD_BOUNDARY h i k o o k i WORD_BOUNDARY n o r o WORD_BOUNDARY k a WORD_BOUNDARY n a a WORD_BOUNDARY