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