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