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