ikko oku dake yatteta ne
ikko oku dake yatteta ne .
i k k o WORD_BOUNDARY o k ɯ WORD_BOUNDARY d a k e WORD_BOUNDARY j a t t e t a WORD_BOUNDARY n e WORD_BOUNDARY
i k k o WORD_BOUNDARY o k u WORD_BOUNDARY d a k e WORD_BOUNDARY y a t t e t a WORD_BOUNDARY n e WORD_BOUNDARY