T52d, 5th problem

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, ...).

QEP WW EE HH RR MM AA CC HH TT XX
URXMJ4BIN8VOKX983RTCO/FCBQBERKEC4PPCOI+CUTF+XO83HP
U/AF99/PL+3UNMUBVJFNAS39AQURXDVGRWXPACMGVOX+I4IHPR
W4ECQX+ZB9QVJ4T8UBJAC/VI3ZJFV9ZYU+CV+3KHCYHWIKXQIA
BUFTVWFGI3NJEDGE+AFNE93F3OU

QEP WW EE HH RR MM AA CC HH TT XX
CSPIO3AQXAVGEX3QOXYIBCDKPXUZYQZD9NEW4NKBV8LHGLFPXZ
+CQFT4FKIHQMZHLSNABWNAMSTIINGEIELSE/+OWCGN3DPJ4RCZ
MBNQPFSCLGBMMGIB

QEP WW EE HH RR MM AA CC HH TT XX
AWSBJOG/DJ9VIB84ITAGHJTOXEHTRKEWWLBOSRWVVQ3MCLUZWZ
V8Z+UERPYCCVNRXRNSQDCUAZOXP8EI3/TW9G9RQVX3YDTSWMDZ
NEJYVADCZDBNMZ+CUIJL9DILIK8UYDSSKMOXOYVMSA+B9ENCID
4JKQKIFNI3DRBIGZZTDV

QEP WW EE HH RR MM AA CC HH TT XX
U3JLJ+AQXAVGEX3QOXY3XCMWGATZGIELKLJ+IE3EY//IR/NZ4C
Y9HBXCREP3VCG+INNP8K9HQ9TM3XLE9GIVF4PI/K8XTER9YDRY
RNEVAFZRQL+FUUYMO8SRB9/KBSASK/DQY4FMSLR3VA+B9E3GRA
AQKLYJCCLJL9H/GAXJ8UA3ZKLGFIASZSO9CG4BRJLXPB4HMIJ4
K/SFCFJY/AAT3AI3+INV/XBI83RTNOG/NRLFMYVLXALKJVIW3R
ZSM/GZ9NW9M4GO3Y

QEP WW EE HH RR MM AA CC HH TT XX
SWJFGEUM+IP98WI4VH+XQLDVJG+VR9NC4PPCOI+CUTGNW+FGZR
RC+PK9VIRCRVFTIDMJAW9PKDOJNHQ9MRBWI83+AWWX/PECORGZ
HCSYQDHOCJFDJNSCUYJLH4/+9ZCZCO9A8

QEP WW EE HH RR MM AA CC HH TT XX
G3STG3DM+IP9SD3JVVUYFNDVJG+VR+BDHYZX4NOCNOCNFB/LPC
RH+PRO4O/J3NTV4LJMXZ9D/JTINK/BVHPZ+SPI/K8XT+/RSLK9
HFZTEX9ZVJU9RUGT+L