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