[ capword sp & sp capword ( year ) ] sp capword sp caplet , sp capword sp caplet , sp year sp capword sp othword sp smallet . sp othword . , sp smallet . sp othword . sp ( capword , capword ) sp othword sp smallet capword sp othword sp ( capword othword smallet sp othword othword sp othword ) sp othword sp othword sp othword sp othword sp capword sp ( capword othword , capword ) sp othword sp othword othword sp othword sp othword sp othword othword sp othword sp capword sp capword sp num sp num – num