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