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