ED*ENN
ED*NNN
ED*DEN
ED*DNN
ED*EEN
ED*EN*
EE*DEN
EE*ENN
EE*NNN
E*DDN
E*DNN
*EDE
ED*DDN
E*EDN
E*NNN
EE*DDN
EE*DNN
EE*EDN
EE*EEN