taoretara atama itai n yo
taoretara atama itai n yo .
t a o r e t a r a WORD_BOUNDARY a t a m a WORD_BOUNDARY i t a i WORD_BOUNDARY n WORD_BOUNDARY j o WORD_BOUNDARY
t a o r e t a r a WORD_BOUNDARY a t a m a WORD_BOUNDARY i t a i WORD_BOUNDARY n WORD_BOUNDARY y o WORD_BOUNDARY