haittenai yo haittenai yo
haittenai yo haittenai yo .
h a i t t e n a i WORD_BOUNDARY j o WORD_BOUNDARY h a i t t e n a i WORD_BOUNDARY j o WORD_BOUNDARY
h a i t t e n a i WORD_BOUNDARY y o WORD_BOUNDARY h a i t t e n a i WORD_BOUNDARY y o WORD_BOUNDARY