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