tadi bisa ya Pi ya
tadi bisa ya pi ya ?
t a d i WORD_BOUNDARY b i s a WORD_BOUNDARY j a WORD_BOUNDARY p i WORD_BOUNDARY j a WORD_BOUNDARY
t a d i WORD_BOUNDARY b i s a WORD_BOUNDARY y a WORD_BOUNDARY p i WORD_BOUNDARY y a WORD_BOUNDARY ? WORD_BOUNDARY