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