nanka atama ni notte iru ne
nanka atama ni notte iru ne .
n a n k a WORD_BOUNDARY a t a m a WORD_BOUNDARY n i WORD_BOUNDARY n o t t e WORD_BOUNDARY i r ɯ WORD_BOUNDARY n e WORD_BOUNDARY
n a n k a WORD_BOUNDARY a t a m a WORD_BOUNDARY n i WORD_BOUNDARY n o t t e WORD_BOUNDARY i r u WORD_BOUNDARY n e WORD_BOUNDARY