o ya itu ikan lumba+lumba
o ya itu ikan lumba lumba .
o WORD_BOUNDARY j a WORD_BOUNDARY  i t u WORD_BOUNDARY  i k a n WORD_BOUNDARY l u m b a WORD_BOUNDARY l u m b a WORD_BOUNDARY
o WORD_BOUNDARY y a WORD_BOUNDARY i t u WORD_BOUNDARY i k a n WORD_BOUNDARY l u m b a WORD_BOUNDARY l u m b a WORD_BOUNDARY