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