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