mada oite oku no ka
mada oite oku no ka .
m a d a WORD_BOUNDARY o i t e WORD_BOUNDARY o k ɯ WORD_BOUNDARY n o WORD_BOUNDARY k a WORD_BOUNDARY
m a d a WORD_BOUNDARY o i t e WORD_BOUNDARY o k u WORD_BOUNDARY n o WORD_BOUNDARY k a WORD_BOUNDARY