R O V L L A B T L D L B C Q M P X L B A F B T C T A T C O R L T O L C
R H P D T X L Y O A E L B X P H L X B T X X Q L D R G L T K X R L G D
B K L D P P L O H L Y O A E L K O M X B L H O E L V C R R C R J L T K
D T L R C I N X P L L L T K X L R C I N X P L V D B L V O R L P O R J
L D J O L F Y L I O P O R X P L M D E N X E L K C T T L V K O L O H H
X E X G L T O L I O Q M E O Q C B X L H O E L T V O L I X R T B L B C
R I X L K X L V D B L D F P X L T O L B X R G L T K X L B O P A T C O
R L F Y L E X T A E R L Q D C P L L B T C P P L C T L V O A P G L F X
L V O E T K L D R O T K X E L R C I N X P L T O L H C R G L O A T L T
K X L N X Y L L T K C B L Q A B T L F X L T K X L X W M P D R D T C O
R L O H L T K X L E X H X E X R I X L T O L D L I E O O R X E L D R G
L T K X L X Q M K D B C B L O R L D L G D T X L L M L B L T K X L T V
O L I X R T B L K D B L R O T L Y X T L F X X R L M D C G L.

166. By CACHE. (Contributor, C. H. Price, died without explaining his key).
03 65 12 45 58 28 06 41 72 14 22 03 02 17 36 88 25 20 55 77 74 51 23 45 41 42 30 24
36 61 96 09 07 78 05 44 08 06 55 92 16 93 02 15 36 37 40 87 41 01 33 77 06 36 27 54
48 29 16 78 92 66 03 10 38 17 45 23 72 96 73 01 49 25 72 38 92 72 24 55 48 08 40 92
28 01 72 96 02 04 74 61 06 99 30 45 72 69 74 93 77 23 55 36 24 93 47 84 76 35 32 89
87 76 77 64 51 96 58 43 76 02 81 38 87 69 89 55 99 23 79 55 51 06 99 71 74 69 89 84
27 25 22 39 42 53 19 93 41 66 09 75 87 37 91 87 90 91 43 19 40 30 38 16 96 22 69 38
78 02 74 92 47 25 77 91 15 40 24 45 07 07 96 48 44 15 12 06 99 44 93 19 25 23 55 30
45 87 96 18 01 78 44 29 45 86 47 69 48 30 66 44 03 41 66 37 38 22 06 42 41.
59.
Here is one which nobody has ever been able to decrypt:
V Q B U P P V S P G G F P N U E D O K D X H E W T I Y C L K X R Z A P
V U F S A W E M U X G P N I V Q J M N J J N I Z Y K B P N F R R H T B
W W N U Q J A J G J F H A D Q L Q M F L X R G G W U G W V Z G K F B C
M P X K E K Q C Q Q L B O D O Q J V E L.

APPENDIX

ENGLISH FREQUENCY AND SEQUENCE DATA
(Compiled from the MEAKER Digram Chart)
Order and Frequency of Order and Frequency of Single Letters Leading DIGRAMS
E 1231 L 403 B 162 TH 315 TO 111 SA 75 MA 56
T 959 D 365 G 161 HE 251 NT 110 HI 72 TA 56
A 805 C 320 V 93 AN 172 ED 107 LE 72 CE 55
O 794 U 310 K 52 IN 169 IS 106 SO 71 IC 55
N 719 P 229 Q 20 ER 154 AR 101 AS 67 LL 55
I 718 F 228 X 20 RE 148 OU 96 NO 65 NA 54
S 659 M 225 J 10 ES 145 TE 94 NE 64 RO 54
R 603 W 203 Z 9 ON 145 OF 94 EC 64 OT 53
H 514 Y 188 EA 131 IT 88 IO 63 TT 53
TI 128 HA 84 RT 63 VE 53
AT 124 SE 84 CO 59 NS 51
Group Percentages: ST 121 ET 80 BE 58 UR 49
EN 120 AL 77 DI 57 ME 48
A E I O U 38.58% ND 118 RI 77 LI 57 WH 48
OR 113 NG 75 RA 57 LY 47
L N R S T 33.43%
List of Common REVERSALS:
J K Q X Z 1.11%
ER RE ON NO TE ET ST TS
E T A 0 N 45.08% ES SE IN NI OR RO IS SI
AN NA EN NE TO OT ED DE
E T A O N I S R H 70.02% TI IT AT TA AR RA OF FO
Order of the Leading TRIGRAMS In 10,000 Letters of Semi-Military Text - PARKER HITT
THE ENT FOR NCE OFT
AND ION NDE EDT STH
THA TIO HAS TIS MEN
INITIAL LETTERS OF WORDS:
Order, as found by M. E. OHAVER ... T A O S H I W C B P F D M R, etc.
Order, as found by H. O. YARDLEY .. T O A W B C D S F M R H I Y, etc.
FINAL LETTERS OF WORDS:
Order, as found by M. E. OHAVER ... E S T D N R O Y, etc.
Order, as found by H. O. YARDLEY .. E T D N S R Y, etc.
NOTE: Lists of terminals (letters, digrams, trigrams); of common affixes,
short words, and common pattern-words, can be found in the booklet
"CRYPTOGRAM SOLVING", obtainable from the author, M.E.Ohaver, at
Columbus, Ohio.
X J M M T V O Z B N Q M F B T F S F N J U G P S U I J T B E ?

COMPARATIVE TABLE OF SINGLE-LETTER FREQUENCIES (Per 100)
ENGLISH GERMAN FRENCH ITALIAN SPANISH PORTUGUESE
A 7.81 A 5. A 9.42 A 11.74 A 12.69 A 13.5
B 1.28 B 2.5 B 1.02 B .92 B 1.41 B .5
C 2.93 C 1.5 C 2.64 C 4.50 C 3.93 C 3.5
D 4.11 D 5. D 3.38 D 3.73 D 5.58 D 5.
E 13.05 E 18.5 E 15.87 E 11.79 E 13.15 E 13.
F 2.88 F 1.5 F .95 F .95 F .46 F 1.
G 1.39 G 4. G 1.04 G 1.64 G 1.12 G 1.
H 5.85 H 4. H .77 H 1.54 H 1.24 H 1.
I 6.77 I 8. I 8.41 I 11.28 I 6.25 I 6.
J .23 J ... J .89 J ... J .56 J .5
K .42 K 1. K ... K ... K ... K ...
L 3.60 L 3. L 5.34 L 6.51 L 5.94 L 3.5
M 2.62 M 2.5 M 3.24 M 2.51 M 2.65 M 4.5
N 7.28 N 11.5 N 7.15 N 6.88 N 6.95 N 5.5
O 8.21 O 3.5 O 5.14 O 9.83 O 9.49 O 11.5
P 2.15 P .5 P 2.86 P 3.05 P 2.43 P 3.
Q .14 Q ... Q 1.06 Q .61 Q 1.16 Q 1.5
R 6.64 R 7. R 6.46 R 6.37 R 6.25 R 7.5
S 6.46 S 7. S 7.90 S 4.98 S 7.60 S 7.5
T 9.02 T 5. T 7.26 T 5.62 T 3.91 T 4.5
U 2.77 U 5. U 6.24 U 3.01 U 4.63 U 4.
V 1.00 V 1. V 2.15 V 2.10 V 1.07 V 1.5
W 1.49 W 1.5 W ... W ... W ... W ...
X .30 X ... X .30 X ... X .13 X .2
Y 1.51 Y ... Y .24 Y ... Y 1.06 Y ...
Z .09 Z 1.5 Z .32 Z .49 Z .35 Z .3
Vowel Percentages:
English German French Italian Spanish Portuguese
40% 40% 45% 48% 47% 48%
Percentages for L N R S T:
33% 34% 34% 30% 31% 29%
NOTES: ENGLISH frequencies, which may be compared with those of Mr. Meaker,
(A, 8.05; B, 1.62; C, 3.20; etc.), were taken from M.E.OHAVER.
FRENCH, ITALIAN, and SPANISH frequencies were taken from a count
made by the author. All four counts are based on 10,000 letters
of literary text, and the dropping of the decimal point gives
the actual count. The frequencies given for GERMAN and PORTUGUESE are approximations, reduced from other texts, probably military.

Chart Showing Normal CONTACT PERCENTAGES - Compiled by F. R. CARTER
(Based on a Digram Chart by M.E.OHAVER)