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