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