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