de imi ga wakannai n da kedo
de imi ga wakannai n da kedo .
d e WORD_BOUNDARY i m i WORD_BOUNDARY g a WORD_BOUNDARY w a k a n n a i WORD_BOUNDARY n WORD_BOUNDARY d a WORD_BOUNDARY k e d o WORD_BOUNDARY
d e WORD_BOUNDARY i m i WORD_BOUNDARY g a WORD_BOUNDARY w a k a n n a i WORD_BOUNDARY n WORD_BOUNDARY d a WORD_BOUNDARY k e d o WORD_BOUNDARY