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