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