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