[ capword sp num ] sp capword sp caplet . sp capword , sp capword sp caplet . sp capword sp & sp caplet . sp capword sp capword . capword sp othword sp othword sp othword sp othword sp othword sp othword sp othword : capword sp othword sp othword sp othword sp othword sp othword . sp upword capword sp capword , sp othword . sp num , sp othword . sp num , sp othword sp smallet , sp capword num sp year . sp num sp upword sp othword .