[ num ] sp capword sp upword , sp capword sp caplet . sp capword sp capword sp capword sp othword sp capword sp caplet sp othword sp othword sp capword sp capword sp othword sp capword sp othword capword sp capword sp othword sp capword sp capword . sp upword sp capword sp capword sp capword sp capword . sp year ; num ( num ) : num – num . upword sp othword : / / othword . othword / num . num / upword . year . num