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