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