koo shitara koo shitara
koo shitara koo shitara ?
k oː WORD_BOUNDARY ʃ i t a r a WORD_BOUNDARY k oː WORD_BOUNDARY ʃ i t a r a WORD_BOUNDARY
k o o WORD_BOUNDARY s h i t a r a WORD_BOUNDARY k o o WORD_BOUNDARY s h i t a r a WORD_BOUNDARY