o Ibu salah tadi ya
o ibu salah tadi ya ?
o WORD_BOUNDARY  i b u WORD_BOUNDARY s a l a h WORD_BOUNDARY t a d i WORD_BOUNDARY j a WORD_BOUNDARY
o WORD_BOUNDARY i b u WORD_BOUNDARY s a l a h WORD_BOUNDARY t a d i WORD_BOUNDARY y a WORD_BOUNDARY