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