nai n da kara kooiu no o tsukureba ii n janai
nai n da kara kooiu no o tsukureba ii n janai ?
n a i WORD_BOUNDARY n WORD_BOUNDARY d a WORD_BOUNDARY k a r a WORD_BOUNDARY k oː i ɯ WORD_BOUNDARY n o WORD_BOUNDARY o WORD_BOUNDARY t͡s ɯ k ɯ r e b a WORD_BOUNDARY i i WORD_BOUNDARY n WORD_BOUNDARY d̠ʒ a n a i WORD_BOUNDARY
n a i WORD_BOUNDARY n WORD_BOUNDARY d a WORD_BOUNDARY k a r a WORD_BOUNDARY k o o i u WORD_BOUNDARY n o WORD_BOUNDARY o WORD_BOUNDARY t s u k u r e b a WORD_BOUNDARY i i WORD_BOUNDARY n WORD_BOUNDARY j a n a i WORD_BOUNDARY