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