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