o iya ada ada nanti ada
o iya ada ada nanti ada .
o WORD_BOUNDARY  i j a WORD_BOUNDARY  a d a WORD_BOUNDARY  a d a WORD_BOUNDARY n a n t i WORD_BOUNDARY  a d a WORD_BOUNDARY
o WORD_BOUNDARY i y a WORD_BOUNDARY a d a WORD_BOUNDARY a d a WORD_BOUNDARY n a n t i WORD_BOUNDARY a d a WORD_BOUNDARY