The following ciphertext was made with a substitution cipher. Decrypt as much of

Question

The following ciphertext was made with a substitution cipher. Decrypt as much of the ciphertext as you can. Then give as much information as you can about the encryption as you can about the encryption key. (that is, the permutation of the alphabet used to make the ciphertext). Hint: Letter "e" is not the most common letter in the orginial message

FYNJS AJYFV SPJSQ FBKSK FSBQA SNPEA SDDCV SBYVE JBFVC HJRGA XGFDD CVVSP KCBJ

I was wondering if someone can help me since I am not sure as to what to do

Explanation / Answer

I have decrypted the text and in plain english it is

  
I DREAMED I WAS EATING A GIANT MARSH MALLOW AND WHEN I WOKE UP MY PILLOW WAS GONE

F is mapped to I

Y is mapped to D

N is mapped to R

J is mapped to E

S is mapped to A

and so on.

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