haittenai haittenai haittenai
haittenai haittenai haittenai .
h a i t t e n a i WORD_BOUNDARY h a i t t e n a i WORD_BOUNDARY h a i t t e n a i WORD_BOUNDARY
h a i t t e n a i WORD_BOUNDARY h a i t t e n a i WORD_BOUNDARY h a i t t e n a i WORD_BOUNDARY