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