aku main main buaya+buayaan
aku main main buaya buayaan .
a k u WORD_BOUNDARY m a i n WORD_BOUNDARY m a i n WORD_BOUNDARY b u a j a WORD_BOUNDARY b u a j a a n WORD_BOUNDARY
a k u WORD_BOUNDARY m a i n WORD_BOUNDARY m a i n WORD_BOUNDARY b u a y a WORD_BOUNDARY b u a y a a n WORD_BOUNDARY . WORD_BOUNDARY