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