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