zenzen wakannai nan ni naru no ka
zenzen wakannai nan ni naru no ka .
z e n z e n WORD_BOUNDARY w a k a n n a i WORD_BOUNDARY n a n WORD_BOUNDARY n i WORD_BOUNDARY n a r ɯ WORD_BOUNDARY n o WORD_BOUNDARY k a WORD_BOUNDARY
z e n z e n WORD_BOUNDARY w a k a n n a i WORD_BOUNDARY n a n WORD_BOUNDARY n i WORD_BOUNDARY n a r u WORD_BOUNDARY n o WORD_BOUNDARY k a WORD_BOUNDARY