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