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