"YB AUVQ DUUACRQ" I've tried every rotation of Cesear and lots of frequency analysis and all I've been able to come up with is "I'm done goodbye". The girl who wrote it says this isn't the answer but it's all I've found. I'm fairly sure that if it is monoalphabetic this has to be the answer but I want to see if anyone can come up with anything else.

  • $\begingroup$ I'm not doubtful that she would lie about me getting it. $\endgroup$ Feb 15, 2018 at 22:11
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    $\begingroup$ An online monoalphabetic cipher solver gives over 200 answers for this... some are more likely than others but without any sort of hint this will be very hard to solve... $\endgroup$ Feb 15, 2018 at 22:12

1 Answer 1


I believe the answer is, in fact, I'm done goodbye. It is encrypted in the following logical order: For each letter, shift it two keys left on a standard QWERTY keyboard.


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