bisa ya nulis A ya
bisa ya nulis a ya ?
b i s a WORD_BOUNDARY j a WORD_BOUNDARY n u l i s WORD_BOUNDARY a WORD_BOUNDARY j a WORD_BOUNDARY
b i s a WORD_BOUNDARY y a WORD_BOUNDARY n u l i s WORD_BOUNDARY a WORD_BOUNDARY y a WORD_BOUNDARY ? WORD_BOUNDARY