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