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