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