o itu iklan itu iklan
o itu iklan itu iklan .
o WORD_BOUNDARY  i t u WORD_BOUNDARY  i k l a n WORD_BOUNDARY i t u WORD_BOUNDARY  i k l a n WORD_BOUNDARY
o WORD_BOUNDARY i t u WORD_BOUNDARY i k l a n WORD_BOUNDARY i t u WORD_BOUNDARY i k l a n WORD_BOUNDARY