aku ada buaya aku ada buaya
aku ada buaya aku ada buaya .
a k u WORD_BOUNDARY  a d a WORD_BOUNDARY b u a j a WORD_BOUNDARY  a k u WORD_BOUNDARY  a d a WORD_BOUNDARY b u a j a WORD_BOUNDARY
a k u WORD_BOUNDARY a d a WORD_BOUNDARY b u a y a WORD_BOUNDARY a k u WORD_BOUNDARY a d a WORD_BOUNDARY b u a y a WORD_BOUNDARY