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Nature · Set 58

Nature Cryptograms Set 58

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 1

Medium · 115 letters

Starter clue: U = A

OZAQTPBVDGCUFETPFKTPFUYZ,UWVWTETPFVZACUDF,TPFQZUBEQUWVZUAZ,UWVWTETPFVDAZUAZ,UWVEUXZKUFZEQUEEQDAVTZAWTEACFZUVJNKTWEUYDTW.

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
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Puzzle 2

Easy · 116 letters

Starter clue: B = A

DRUDOBLOEBFXZAVZNDDHBDBFDAKBYNOAHBZYDOGNJZNBOEALAWBXNZKBLNLOMRYEJEBFOZEURLBFWAZOGNYNONZKELBOEALAWELONZLBOEALBFJBRDND.

Decoder — write your answer under each cipher letter:

  • A
  • B
  • C
  • D
  • E
  • F
  • G
  • H
  • I
  • J
  • K
  • L
  • M
  • N
  • O
  • P
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Puzzle 3

Medium · 116 letters

Starter clue: P = E

MPRMHAEIJ-EAOLI,HEQILHIFLHXXXPEQHBAEQJRPHFAEPFFIJILPEPTIHWFIAEPEGP:ILPEPTINJMPPHFD;RJMSFPHXNJFIGHEGLHEOPILPFIHNCJREHISMP.

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
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  • S
  • T
  • U
  • V
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  • Y
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Puzzle 4

Easy · 117 letters

Starter clue: J = E

UQQIRJQJXXBDXBORTXIBFKUDLJYHJFTJDGJZVXINJQBXIVHBDVXTOSJUFJGBDIJDIIBIFVXIUQBDJIBIRJHJGVQTUFULCUDIUAJXSJRUHHJDIBHBXXJXX.

Decoder — write your answer under each cipher letter:

  • A
  • B
  • C
  • D
  • E
  • F
  • G
  • H
  • I
  • J
  • K
  • L
  • M
  • N
  • O
  • P
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Puzzle 5

Medium · 117 letters

Starter clue: A = O

MAWPTJZBAMYVAHBMYAPZAXAPVVLOBQLMQFAEOSTGBMQPJZVBLSQTNTSAOETMZBJEAVTBEOAVZLMZZKLMZKLZAXZKTTEOSAUETMZAXHAETMLMQFKBSQVTM.

Decoder — write your answer under each cipher letter:

  • A
  • B
  • C
  • D
  • E
  • F
  • G
  • H
  • I
  • J
  • K
  • L
  • M
  • N
  • O
  • P
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Puzzle 6

Medium · 118 letters

Starter clue: N = T

ZUAFONKUTDPRUNMTNMFATCCTNFKUPOTYBFNNMUABONSBCONTCNNMPCJPCNMUFCPHUKOUTCINMTNNMUUOOUCNPTDOBWMFATCKUDTNPBCOMPQIBCBNSMTCJU.

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
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  • X
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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)
  1. “We should impart our courage, and not our despair, our health and ease, and not our disease, and take care that this does not spread by contagion.”— Henry David Thoreau, 1854, WaldenCipher key: A=S B=L C=P D=I E=T F=R G=M H=Q I=F J=B K=C L=V M=X N=Y O=W P=U Q=H R=Z S=J T=O U=A V=D W=N X=K Y=G Z=E
  2. “Substantial progress was also made towards the creation of a permanent judicial tribunal for the determination of international causes.”— Theodore Roosevelt, 1907, Seventh Annual Message to CongressCipher key: A=O B=A C=V D=S E=I F=L G=H H=W I=Z J=C K=M L=N M=J N=E O=T P=Y Q=X R=U S=Q T=K U=B V=G W=F X=P Y=D Z=R
  3. “Refrain to-night, And that shall lend a kind of easiness to the next abstinence: the next more easy; For use almost can change the stamp of nature.”— William Shakespeare, 1601, Hamlet, Act III. Sc. 4 (in Bartlett's Familiar Quotations, 9th ed., 1891)Cipher key: A=I B=K C=P D=Y E=N F=S G=C H=A I=T J=O K=J L=H M=R N=M O=G P=E Q=D R=F S=U T=X U=V V=Q W=B X=L Y=Z Z=W
  4. “All the lessons of history and experience must be lost upon us if we are content to trust alone to the peculiar advantages we happen to possess.”— Martin Van Buren, 1837, Inaugural AddressCipher key: A=G B=O C=V D=N E=Q F=R G=C H=P I=T J=E K=Y L=D M=Z N=B O=F P=K Q=L R=H S=W T=I U=A V=U W=J X=S Y=X Z=M
  5. “No question growing out of our rapid and complex industrial development is more important than that of the employment of women and children.”— Theodore Roosevelt, 1907, Seventh Annual Message to CongressCipher key: A=O B=I C=K D=Z E=M F=C G=X H=W I=J J=S K=H L=A M=N N=V O=P P=U Q=D R=B S=L T=E U=Y V=R W=Q X=F Y=G Z=T
  6. “We must realize that human nature is about the most constant thing in the universe and that the essentials of human relationship do not change.”— Calvin Coolidge, 1925, Inaugural AddressCipher key: A=M B=O C=N D=L E=K F=U G=X H=V I=D J=G K=R L=Y M=H N=T O=S P=I Q=P R=Z S=C T=A U=E V=Q W=F X=J Y=B Z=W