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