The document is a cryptogram containing only letters with no other punctuation or context. It represents an encoded text in which the letters have been substituted for other letters. The phrase at the end "TOPA ITZAZUE IRTEERA" when translated from Basque to English means "Find the way out".

1. ZAPOREAK
L
F
C
U
D
L
G
S
G
N
Y
G
A
A
H
T
I
S
H
Q
L
U
X
T
R
P
F
E
Y
V
A
I
M
P
F
J
G
G
H
C
J
U
R
G
O
Y
I
G
O
K
F
F
Y
H
M
R
K
K
O
Z
W
A
N
A
I
Y
X
Q
W
D
L
X
U
G
M
N
G
F
V
G
A
Z
R
A
D
R
B
Z
A
W
M
E
W
Z
X
V
Q
I
J
Y
M
S
A
K
H
A
I
R
E
R
R
A
X
T
I
L
G
C
L
Z
X
B
A
V
C
Z
C
K
H
A
G
R
V
A
O
B
U
Y
J
P
R
A
H
V
A
A
S
H
Q
N
N
G
T
I
N
T
O
M
A
T
E
A
G
H
C
D
P
K
U
A
A
W
F
L
E
G
U
A
W
U
Z
O
E
T
C
A
R
P
J
Q
N
G
T
N
D
A
F
A
P
C
P
H
A
G
A
T
Q
Z
C
Y
P
P
F
G
H
M
D
X
L
X
A
O
A
T
L
AZUKREA
GATZA
KAFEA
LARANJA
LIMOIA
LITXARRERIA
PATATAK
TOMATEA
URDAIAZPIKOA

2. CRYPTOGRAMA
TOPA ITZAZUE IRTEERA