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