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