kalo bisa kalahin Aida
kalo bisa kalahin aida .
k a l o WORD_BOUNDARY b i s a WORD_BOUNDARY k a l a h i n WORD_BOUNDARY a i d a WORD_BOUNDARY
k a l o WORD_BOUNDARY b i s a WORD_BOUNDARY k a l a h i n WORD_BOUNDARY a i d a WORD_BOUNDARY . WORD_BOUNDARY