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