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