koko watatte ikeru n da
koko watatte ikeru n da .
k o k o WORD_BOUNDARY w a t a t t e WORD_BOUNDARY i k e r ɯ WORD_BOUNDARY n WORD_BOUNDARY d a WORD_BOUNDARY
k o k o WORD_BOUNDARY w a t a t t e WORD_BOUNDARY i k e r u WORD_BOUNDARY n WORD_BOUNDARY d a WORD_BOUNDARY