koo shitara itanai wa
koo shitara itanai wa .
k oː WORD_BOUNDARY ʃ i t a r a WORD_BOUNDARY i t a n a i WORD_BOUNDARY w a WORD_BOUNDARY
k o o WORD_BOUNDARY s h i t a r a WORD_BOUNDARY i t a n a i WORD_BOUNDARY w a WORD_BOUNDARY