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