SUBSTITUTION
EQUALIZATION
LINEARMODELS
REDUCTION
FUNCTION
STRAIGHT
GRAPHICS
EQUATION
TABULAR
ELEMENT
PROBLEM
REGION
DOMAIN
RANK
SET
Z
U
U
S
G
F
U
N
C
T
I
O
N
Z
N
Y
R
B
Y
Y
L
J
T
E
L
E
M
E
N
T
G
E
E
E
X
Y
A
L
E
U
O
R
I
O
E
U
O
R
R
Q
M
A
S
E
A
A
F
K
R
T
A
B
U
U
I
B
A
U
H
V
J
K
K
I
O
A
U
U
X
I
E
T
R
N
P
A
P
K
N
A
R
P
A
U
P
S
O
Z
G
U
E
R
H
L
H
R
J
W
G
J
A
A
S
Z
L
H
J
H
A
E
I
I
E
D
O
O
R
O
B
B
T
C
A
E
F
H
T
G
C
Z
S
I
B
B
B
N
O
Q
K
A
U
U
D
Y
E
I
S
A
Q
U
R
A
L
U
B
A
T
S
N
I
O
O
U
O
I
T
Z
K
B
I
O
E
H
E
F
K
U
S
X
I
M
N
Z
I
E
C
E
S
N
B
M
F
I
A
A
J
F
P
I
R
Y
O
X
I
A
E
T
I
H
B
V
N
N
V
S
T
K
Z
A
N
V
A
N
O
S
I
B
O
D
K
U
O
E
W
J
E
S
E
X
K
O
C
L
X
T
T
H
Y
B
H
I
V
N
N
V
V
N
H
N
O
I
T
C
U
D
E
R
Y
A
T
B
I
I
B
M
I
T
K
K
E
X
O
T
W
I
T
V
E
A
O
A
I
H
J
L
U
Z
R
D
U
G
I
U
T
N
Q
U
U
A
M
G
Y
U
O
S
U
L
N
O
H
O
V
W
U
V
A
Q
C
O
E
A
K
R
P
K
W
A
A
G
N
O
I
I
U
M
E
H
D
I
A
O
