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