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