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