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