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