koo yatte ire yo ka
koo yatte ire yo ka .
k oː WORD_BOUNDARY j a t t e WORD_BOUNDARY i r e WORD_BOUNDARY j o WORD_BOUNDARY k a WORD_BOUNDARY
k o o WORD_BOUNDARY y a t t e WORD_BOUNDARY i r e WORD_BOUNDARY y o WORD_BOUNDARY k a WORD_BOUNDARY