Findings:

• Keyword substitution cipher
• substitution cipher
• monoalphabetic substitution cipher
• random key substitution cipher
• simple substitution cipher
• homophonic substitution cipher
• polyalphabetic substitution cipher
• VIC cipher
• synonymous substitution
• rail fence cipher
• Dorabella Cipher
• substitution
• command substitution
• bifid cipher
• ADFGVX cipher
• Nihilist cipher
• Permutation cipher
• Hill cipher
• running key cipher
• Ideal cipher model
• Bacon Cipher
• Liskov Substitution Principle
• Adventures in text substitution
• YHWH declares that the substitution of LOVE with FUCK is punishable by AIDS; man responds by covering his member with plastic
• Fundamental substitution for trigonometric integration
• base substitution
• die substitution
• universal substitution
• Solving a system of equations by back substitution
• Marginal rate of substitution
• Substitution Effect
• synthetic substitution
• Turning grill transposition cipher
• Import Substitution
• Emergency Ingredient Substitutions
• Tritone substitution
• common integral substitutions
• Pigpen Cipher
• hybrid cryptosystem
• mechanical cipher system
• symmetric cipher
• asymmetric cipher
• Hash Cipher
• cipher alphabet
• transposition cipher
• Caesar shift cipher
• cipher text
• Stream Cipher
• null cipher
• Block cipher
• cipher (user)
• ERIKO-CHAN cipher
• cipher
• self-synchronizing stream cipher
• Additive Stream Ciphers
• synchronous stream cipher
• block cipher cryptanalysis
• Simon Singh's Code Book Cipher Challenge Cracked
• M209 Cipher Machine
• Playfair Cipher
• Soviet Espionage Cipher
• atbash cipher
• Caesar's Cipher
• The Beale ciphers

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