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