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