[ num ] sp capword sp caplet . sp capword sp othword sp capword smallet sp othword smallet - othword sp othword sp othword sp othword sp othword othword sp othword sp capword sp ( capword sp capword , capword othword sp capword ) . sp capword sp othword . sp capword sp othword sp othword sp capword sp smallet capword sp capword othword sp othword sp capword . sp year ; num : num - num .