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