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