nani mo haittenai koko
nani mo haittenai koko .
n a n i WORD_BOUNDARY m o WORD_BOUNDARY h a i t t e n a i WORD_BOUNDARY k o k o WORD_BOUNDARY
n a n i WORD_BOUNDARY m o WORD_BOUNDARY h a i t t e n a i WORD_BOUNDARY k o k o WORD_BOUNDARY