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