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