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