7w5b 8w5br 9w5br1 ax5b bx5br
wn6br xn6br1 yn6b zn6br 0n6br1
le7br1 me7b ne7br oe7br1 pe7b
a57b b57br c57br1 d57b e57br
zv8br 0v8br1 1v8b 2v8br 3v8br1