ara ara mata iku no
ara ara mata iku no ?
a r a WORD_BOUNDARY a r a WORD_BOUNDARY m a t a WORD_BOUNDARY i k ɯ WORD_BOUNDARY n o WORD_BOUNDARY
a r a WORD_BOUNDARY a r a WORD_BOUNDARY m a t a WORD_BOUNDARY i k u WORD_BOUNDARY n o WORD_BOUNDARY