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