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