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