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