iya ya bulak+balik ya
iya ya bulak balik ya ?
i j a WORD_BOUNDARY j a WORD_BOUNDARY b u l a k WORD_BOUNDARY b a l i k WORD_BOUNDARY j a WORD_BOUNDARY
i y a WORD_BOUNDARY y a WORD_BOUNDARY b u l a k WORD_BOUNDARY b a l i k WORD_BOUNDARY y a WORD_BOUNDARY ? WORD_BOUNDARY