To perform a frequency analysis on a ciphertext, returning a list of most common letters, bigrams, and trigrams with their percentage frequencies and up to "n" suggestions for possible Caesar cipher ...
Cipher #1: Caesar (shift 4) Cipher #2: Caesar (shift 14) Cipher #3: Vigenere (key: BERIKUT) Cipher #4: Route Cipher (interval 4) Cipher #5: Transposition (Samuel Morland) ...