o yang kukuruyuk kukuruyuk
o yang kukuruyuk kukuruyuk .
o WORD_BOUNDARY j a ŋ WORD_BOUNDARY k u k u r u j u k WORD_BOUNDARY k u k u r u j u k WORD_BOUNDARY
o WORD_BOUNDARY y a n g WORD_BOUNDARY k u k u r u y u k WORD_BOUNDARY k u k u r u y u k WORD_BOUNDARY