ah1d bh1dx ch1dxr dh1d eh1dx
z71dx 071dxr 171d 271dx 371dxr
oy2dxr py2d qy2dx ry2dxr sy2d
dp3d ep3dx fp3dxr gp3d hp3dx
2f4dx 3f4dxr 4f4d 5f4dx 6f4dxr