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