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