ikan lumba+lumba ato
ikan lumba lumba ato .
i k a n WORD_BOUNDARY l u m b a WORD_BOUNDARY l u m b a WORD_BOUNDARY a t o WORD_BOUNDARY
i k a n WORD_BOUNDARY l u m b a WORD_BOUNDARY l u m b a WORD_BOUNDARY a t o WORD_BOUNDARY . WORD_BOUNDARY