mada dekinai n da yo
mada dekinai n da yo .
m a d a WORD_BOUNDARY d e k i n a i WORD_BOUNDARY n WORD_BOUNDARY d a WORD_BOUNDARY j o WORD_BOUNDARY
m a d a WORD_BOUNDARY d e k i n a i WORD_BOUNDARY n WORD_BOUNDARY d a WORD_BOUNDARY y o WORD_BOUNDARY