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