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