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