a ___
b .__...
c ._.._
d .__._
e ..._
f __._.__
g .__.._
h ._____
i ....
j __.._
k .___.
l __...
m _..._
n _._.
o ._._
p _....
q __._..
r ..___
s ..__.
t ._...
u __.__
v .____.
w .._..
x __._._.
y .._._
z _.__
  _.._