pan no harigane tte wakannai
pan no harigane tte wakannai ?
p a n WORD_BOUNDARY n o WORD_BOUNDARY h a r i g a n e WORD_BOUNDARY t t e WORD_BOUNDARY w a k a n n a i WORD_BOUNDARY
p a n WORD_BOUNDARY n o WORD_BOUNDARY h a r i g a n e WORD_BOUNDARY t t e WORD_BOUNDARY w a k a n n a i WORD_BOUNDARY