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