<izabera> ` printf \'#!/bin/bash\\ndeclare {{a..h},{j..t}}="$((i++))" letters=({{a..h},{j..t}}); while read -r; do echo "${letters[18-${REPLY:0:1}]}$((20-${REPLY:1}))"; done\\n\' > bin/mirrorgo

#!/usr/bin/perl
use Encode; binmode *$_,"encoding(utf8)" for STDIN,STDOUT; local$/; for (split//,<STDIN>) { rand(5)<3 and y/EOeo/\xc4\xc5\xe4\xe5/; print }