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