ikko zutsu iku yo
ikko zutsu iku yo .
i k k o WORD_BOUNDARY z ɯ t͡s ɯ WORD_BOUNDARY i k ɯ WORD_BOUNDARY j o WORD_BOUNDARY
i k k o WORD_BOUNDARY z u t s u WORD_BOUNDARY i k u WORD_BOUNDARY y o WORD_BOUNDARY