naka ni haitte iru yo
naka ni haitte iru yo .
n a k a WORD_BOUNDARY n i WORD_BOUNDARY h a i t t e WORD_BOUNDARY i r ɯ WORD_BOUNDARY j o WORD_BOUNDARY
n a k a WORD_BOUNDARY n i WORD_BOUNDARY h a i t t e WORD_BOUNDARY i r u WORD_BOUNDARY y o WORD_BOUNDARY