Voidwood in
♦
Bidding diagrams
4
♦
Void in
♦
, asking for aces
4
♥
0 or 3 aces
4
♠
1 or 4 aces
5
♦
Void in
♦
, asking for aces
5
♥
0 or 3 aces
5
♠
1 or 4 aces
5NT
2 aces, no Q of trumph
6
♣
2 aces and Q of trumph