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