datte mama inai n da mon
datte mama inai n da mon .
d a t t e WORD_BOUNDARY m a m a WORD_BOUNDARY i n a i WORD_BOUNDARY n WORD_BOUNDARY d a WORD_BOUNDARY m o n WORD_BOUNDARY
d a t t e WORD_BOUNDARY m a m a WORD_BOUNDARY i n a i WORD_BOUNDARY n WORD_BOUNDARY d a WORD_BOUNDARY m o n WORD_BOUNDARY