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