a,a
b,b
c,c
d,d
e,e
f,f
g,g
h,h
i,i
j,j
k,k
l,l
m,m
n,n
o,o
p,p
q,q
r,r
s,s
t,t
u,u
v,v
w,w
x,x
y,y
z,z
A,A
B,B
C,C
D,D
E,E
F,F
G,G
H,H
I,I
L,L
J,J
K,K
M,M
N,N
O,O
P,P
Q,Q
R,R
S,S
T,T
U,U
V,V
W,W
X,X
Y,Y
Z,Z