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