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