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