a kore wa iranai n da
a kore wa iranai n da .
a WORD_BOUNDARY k o r e WORD_BOUNDARY w a WORD_BOUNDARY i r a n a i WORD_BOUNDARY n WORD_BOUNDARY d a WORD_BOUNDARY
a WORD_BOUNDARY k o r e WORD_BOUNDARY w a WORD_BOUNDARY i r a n a i WORD_BOUNDARY n WORD_BOUNDARY d a WORD_BOUNDARY