o ya aku di sini ya
o ya aku di sini ya ?
o WORD_BOUNDARY j a WORD_BOUNDARY  a k u WORD_BOUNDARY d i WORD_BOUNDARY s i n i WORD_BOUNDARY j a WORD_BOUNDARY
o WORD_BOUNDARY y a WORD_BOUNDARY a k u WORD_BOUNDARY d i WORD_BOUNDARY s i n i WORD_BOUNDARY y a WORD_BOUNDARY