koo yatte yattara doo da
koo yatte yattara doo da ?
k oː WORD_BOUNDARY j a t t e WORD_BOUNDARY j a t t a r a WORD_BOUNDARY d oː WORD_BOUNDARY d a WORD_BOUNDARY
k o o WORD_BOUNDARY y a t t e WORD_BOUNDARY y a t t a r a WORD_BOUNDARY d o o WORD_BOUNDARY d a WORD_BOUNDARY