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