trus ada ikan lumba+lumba
trus ada ikan lumba lumba ?
t r u s WORD_BOUNDARY a d a WORD_BOUNDARY  i k a n WORD_BOUNDARY l u m b a WORD_BOUNDARY l u m b a WORD_BOUNDARY
t r u s WORD_BOUNDARY a d a WORD_BOUNDARY i k a n WORD_BOUNDARY l u m b a WORD_BOUNDARY l u m b a WORD_BOUNDARY