The document contains repeated sequences of letters from A to Z, with each letter appearing 6 times in a row. It seems to list the complete English alphabet in order, with each letter taking up 6 lines of the document.

1. A A
A A
A A
A A
A A
A A

2. B B
B B
B B
B B
B B
B B

3. C C
C C
C C
C C
C C
C C

4. D D
D D
D D
D D
D D
D D

5. E E
E E
E E
E E
E E
E E

6. F F
F F
F F
F F
F F
F F

7. G G
G G
G G
G G
G G
G G

8. H H
H H
H H
H H
H H
H H

9. I I I
I I I
I I I
I I I
I I I
I I

10. J J
J J
J J
J J
J J
J J

11. K K
K K
K K
K K
K K
K K

12. L L
L L
L L
L L
L L
L L

13. M M
M M
M M
M M
M M
M M

14. N N
N N
N N
N N
N N
N N

15. O O
O O
O O
O O
O O
O O

16. P P
P P
P P
P P
P P
P P

17. Q Q
Q Q
Q Q
Q Q
Q Q
Q Q

18. R R
R R
R R
R R
R R
R R

19. S S
S S
S S
S S
S S
S S

20. T T
T T
T T
T T
T T
T T

21. U U
U U
U U
U U
U U
T T

22. V V
V V
V V
V V
V V
V V

23. W W
W W
W W
W W
W W
W W

24. X X
X X
X X
X X
X X
X X

25. Y Y
Y Y
Y Y
Y Y
Y Y
Y Y

26. Z Z
Z Z
Z Z
Z Z
Z Z
Z Z