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