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