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