a iie iie betsu ni
a iie iie betsu ni .
a WORD_BOUNDARY i i e WORD_BOUNDARY i i e WORD_BOUNDARY b e t͡s ɯ WORD_BOUNDARY n i WORD_BOUNDARY
a WORD_BOUNDARY i i e WORD_BOUNDARY i i e WORD_BOUNDARY b e t s u WORD_BOUNDARY n i WORD_BOUNDARY