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