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