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