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