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