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