koko koo natteru yaro
koko koo natteru yaro ?
k o k o WORD_BOUNDARY k oː WORD_BOUNDARY n a t t e r ɯ WORD_BOUNDARY j a r o WORD_BOUNDARY
k o k o WORD_BOUNDARY k o o WORD_BOUNDARY n a t t e r u WORD_BOUNDARY y a r o WORD_BOUNDARY