a koko made iku no ka
a koko made iku no ka .
a WORD_BOUNDARY k o k o WORD_BOUNDARY m a d e WORD_BOUNDARY i k ɯ WORD_BOUNDARY n o WORD_BOUNDARY k a WORD_BOUNDARY
a WORD_BOUNDARY k o k o WORD_BOUNDARY m a d e WORD_BOUNDARY i k u WORD_BOUNDARY n o WORD_BOUNDARY k a WORD_BOUNDARY