kayak kalo malam+malam
kayak kalo malam malam .
k a j a k WORD_BOUNDARY k a l o WORD_BOUNDARY m a l a m WORD_BOUNDARY m a l a m WORD_BOUNDARY
k a y a k WORD_BOUNDARY k a l o WORD_BOUNDARY m a l a m WORD_BOUNDARY m a l a m WORD_BOUNDARY . WORD_BOUNDARY