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