CG&CS
- Station X 48° 53′ N, 0° 11′ W
13 August 1944.
Dear Mr Cum
General Mongomery and
General Bradley plan to annihilate
General Von Kluge's western army group. After the success of
the operation Cobra, they will begin the operation Tractable
We have just received
several messages. Maybe we will get some
usefull information?
Deputy Director John Tiltman,
Now, the Germans use
a new security method: the Wahlwort
(meaningless word) at the beginning of the message. These words
are between 5 and 10 characters in length. This prevents us
from positioning our most usual cribs (AN, VON, ...).
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CC HH TT XX
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QEP WW EE HH RR MM AA
CC HH TT XX
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QEP WW EE HH RR MM AA
CC HH TT XX
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CC HH TT XX
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QEP WW EE HH RR MM AA
CC HH TT XX
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CC HH TT XX
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