iroiro kangaeta n da ne
iroiro kangaeta n da ne .
i r o i r o WORD_BOUNDARY k a n g a e t a WORD_BOUNDARY n WORD_BOUNDARY d a WORD_BOUNDARY n e WORD_BOUNDARY
i r o i r o WORD_BOUNDARY k a n g a e t a WORD_BOUNDARY n WORD_BOUNDARY d a WORD_BOUNDARY n e WORD_BOUNDARY