[ num ] sp capword sp caplet , sp capword sp caplet , sp capword sp caplet . sp capword - othword sp othword sp othword sp othword sp othword sp othword sp othword othword sp othword sp othword . sp capword sp capword sp othword sp capword sp capword . sp year ; num ( num ) : num - num . sp capword othword : sp othword : / / othword . othword . othword / num . num / othword - year - year .