nan to mo omowanakatta kedo
nan to mo omowanakatta kedo .
n a n WORD_BOUNDARY t o WORD_BOUNDARY m o WORD_BOUNDARY o m o w a n a k a t t a WORD_BOUNDARY k e d o WORD_BOUNDARY
n a n WORD_BOUNDARY t o WORD_BOUNDARY m o WORD_BOUNDARY o m o w a n a k a t t a WORD_BOUNDARY k e d o WORD_BOUNDARY