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Date: Fri, 29 Apr 2022 01:13:30 +0200
From: Solar Designer <>
Subject: Re: Way to create specific wordlist

Hi Johny,

For "only once", you can use --external=Filter_NoRepeats along with any
mode - you do not even need to have the resulting wordlist written to a
file.  For "or twice", that's trickier - perhaps write a different
external mode filter.

BTW, this:

has a password with 3 F's - "YFAQYFFV" - so you seem to be wrong about
what those passwords can (not) be.


On Thu, Apr 28, 2022 at 02:56:25PM +0200, Krekan wrote:
> Hello, I would like to ask what options of John could I use to make wordlist 
> which will contain 8 character combinations which can contain each character 
> only once or twice. For example word specific is not good only for example 
> specifgh. Every character from the charset can be used only once or twice in 
> password candidate.     This is useful for testing strength of UPC networks 
> passwords which are created in such way.
> For more explanation look at:
> Example passwords shown there are of a kind which I would like to create using 
> John.
> Thanx for help
> Johny Krekan

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