piyopiyo tabetai piyopiyo
piyopiyo tabetai piyopiyo .
p i j o p i j o WORD_BOUNDARY t a b e t a i WORD_BOUNDARY p i j o p i j o WORD_BOUNDARY
p i y o p i y o WORD_BOUNDARY t a b e t a i WORD_BOUNDARY p i y o p i y o WORD_BOUNDARY