otte hiraite piripiri tte
otte hiraite piripiri tte .
o t t e WORD_BOUNDARY h i r a i t e WORD_BOUNDARY p i r i p i r i WORD_BOUNDARY t t e WORD_BOUNDARY
o t t e WORD_BOUNDARY h i r a i t e WORD_BOUNDARY p i r i p i r i WORD_BOUNDARY t t e WORD_BOUNDARY