ya ampun kayak priwitan
ya ampun kayak priwitan .
j a WORD_BOUNDARY  a m p u n WORD_BOUNDARY k a j a k WORD_BOUNDARY p r i w i t a n WORD_BOUNDARY
y a WORD_BOUNDARY a m p u n WORD_BOUNDARY k a y a k WORD_BOUNDARY p r i w i t a n WORD_BOUNDARY