Puzzle 1
Starter clue: E = O
KEFNKBWGULMRRUVHMOWNHKVEQETLEDDNFNPVQMQSQEKETLEDDNNQS,ETDLMKDNDMQKMQSQEKETDLMKDNLMYN.
Decoder — write your answer under each cipher letter:
- A
- B
- C
- D
- E
- F
- G
- H
- I
- J
- K
- L
- M
- N
- O
- P
- Q
- R
- S
- T
- U
- V
- W
- X
- Y
- Z
Nature Cryptograms Set 46
6 cryptograms to solve with a pencil. Each letter of the quote has been swapped for another letter, and the same swap holds all the way through.
20 pt ciphertext — the size a newspaper puzzle page never gives you. 26 pt ciphertext with wide letter spacing and room to write. Both sizes print on US Letter with the answer key on its own page.
Printing this web page instead? Press Ctrl+P (⌘+P on a Mac). The navigation and buttons drop away, and the answer key prints on its own page — open it below first if you want it included.
The puzzles
Puzzle 2
Starter clue: Z = E
OZSEZSJVBXVTHUZPRZUYVTPWUZZJAVKSRZUVJZVIAKZSWRSBASXZVIOZSEZNZAYZZBTUSBWVAKZHBSALVBU.
Decoder — write your answer under each cipher letter:
- A
- B
- C
- D
- E
- F
- G
- H
- I
- J
- K
- L
- M
- N
- O
- P
- Q
- R
- S
- T
- U
- V
- W
- X
- Y
- Z
Puzzle 3
Starter clue: E = A
ALWATKWUVFZMJVFAMOWEPUEQFFWEFMXEOPW,EXZAMDLEXSWUVALESMMZSTEDWVXDLEXSVXSDVTDKJFAEXDWF.
Decoder — write your answer under each cipher letter:
- A
- B
- C
- D
- E
- F
- G
- H
- I
- J
- K
- L
- M
- N
- O
- P
- Q
- R
- S
- T
- U
- V
- W
- X
- Y
- Z
Puzzle 4
Starter clue: D = S
XTCXOCRQTDCNTDRLCXEDDCQTPACXTPDWEQPTQKTDOPGDXOQJTPDWEQDMLNN.WEQOPCOAWPLDCLDWEQXTNJTQ.
Decoder — write your answer under each cipher letter:
- A
- B
- C
- D
- E
- F
- G
- H
- I
- J
- K
- L
- M
- N
- O
- P
- Q
- R
- S
- T
- U
- V
- W
- X
- Y
- Z
Puzzle 5
Starter clue: W = E
SWYIOOEHYEOHBOAWHVWXWKTBQQBIOHXAYYWXXWXBOHVWPAHATW,AOQWXXSWYEOHBOAWHEQWITOPTERHVWJIXH.
Decoder — write your answer under each cipher letter:
- A
- B
- C
- D
- E
- F
- G
- H
- I
- J
- K
- L
- M
- N
- O
- P
- Q
- R
- S
- T
- U
- V
- W
- X
- Y
- Z
Puzzle 6
Starter clue: B = T
BUDZSIRALWQDJQD,BUJBGIQBQITLIDJBCDRABU,AMSPQPWBUUWQAMSPBU,JRLQBMDRABUDRQPWBUUWQQBMDRABU.
Decoder — write your answer under each cipher letter:
- A
- B
- C
- D
- E
- F
- G
- H
- I
- J
- K
- L
- M
- N
- O
- P
- Q
- R
- S
- T
- U
- V
- W
- X
- Y
- Z
Solver's cheat sheet
- Most common letters
- E T A O I N S H R D L U
- Most common 1-letter words
- A I
- Most common 2-letter words
- OF TO IN IT IS BE AS AT SO WE HE BY OR ON DO IF ME MY UP AN GO NO US AM
- Most common 3-letter words
- THE AND FOR ARE BUT NOT YOU ALL ANY CAN HER WAS ONE OUR OUT DAY GET HAS HIM HIS HOW MAN NEW NOW OLD SEE TWO WAY WHO BOY DID ITS LET PUT SAY SHE TOO USE
- Common double letters
- LL EE SS OO TT FF RR NN PP CC
- Common word endings
- -ING -ION -ENT -TION -LY -ED -ER -EST
- After an apostrophe
- T (don't) S (it's) RE (we're) VE (I've) LL (we'll) D (I'd)
Want this on its own sheet? Print the letter frequency chart.
Show the answer key (6 solutions)
- “To be truly happy is a question of how we begin and not of how we end, of what we want and not of what we have.”— Robert Louis Stevenson, 1881, Virginibus Puerisque and Other PapersCipher key: A=X B=R C=J D=W E=O F=B G=L H=S I=C J=K K=T L=H M=A N=E O=Q P=G Q=N R=P S=D T=F U=Y V=I W=U X=Z Y=V Z=M
- “Peace among ourselves would seem to have some of the advantage of peace between us and other nations.”— Franklin D. Roosevelt, 1940, State of the Union AddressCipher key: A=T B=N C=K D=Y E=C F=Z G=Q H=R I=F J=M K=H L=I M=X N=B O=P P=L Q=J R=V S=A T=U U=S V=O W=D X=G Y=W Z=E
- “The true wisdom is to be always seasonable, and to change with a good grace in changing circumstances.”— Robert Louis Stevenson, 1881, Virginibus Puerisque and Other PapersCipher key: A=T B=Z C=F D=C E=A F=S G=Q H=K I=V J=M K=U L=H M=O N=J O=B P=L Q=Y R=X S=G T=R U=W V=I W=E X=N Y=P Z=D
- “He that wrestles with us strengthens our nerves and sharpens our skill. Our antagonist is our helper.”— Edmund Burke, 1790, Reflections on the Revolution in France, Vol. III. p. 453 (in Bartlett's Familiar Quotations, 9th ed., 1891)Cipher key: A=G B=Q C=T D=S E=U F=Z G=D H=Y I=X J=P K=V L=I M=K N=L O=A P=N Q=R R=W S=B T=E U=C V=M W=O X=H Y=J Z=F
- “We can not continue these brilliant successes in the future, unless we continue to learn from the past.”— Calvin Coolidge, 1925, Inaugural AddressCipher key: A=U B=I C=D D=Y E=O F=X G=V H=T I=A J=P K=B L=K M=Z N=J O=N P=F Q=L R=M S=W T=R U=G V=H W=E X=S Y=C Z=Q
- “The young disease, that must subdue at length, Grows with his growth, and strengthens with his strength.”— Alexander Pope, 1734, An Essay on Man, Epistle II. Line 135 (in Bartlett's Familiar Quotations, 9th ed., 1891)Cipher key: A=G B=T C=L D=E E=F F=Z G=M H=J I=U J=A K=C L=D M=R N=P O=V P=W Q=S R=N S=O T=B U=H V=K W=I X=Q Y=X Z=Y