Brute force generate valid onion addresses: 16 character [a..z][2..7]

onion_gen

#!/bin/bash

# Brute force generate valid onion addresses: 16 character [a..z][2..7]
# 'a' is the left-most character - 'p' is the right most

# rtl controls if addresses are enumerated rtl or ltr
rtl=0

for a in {{2..7},{a..z}}; do
 for b in {{2..7},{a..z}}; do
  for c in {{2..7},{a..z}}; do
   for d in {{2..7},{a..z}}; do
    for e in {{2..7},{a..z}}; do
     for f in {{2..7},{a..z}}; do
      for g in {{2..7},{a..z}}; do
       for h in {{2..7},{a..z}}; do
        for i in {{2..7},{a..z}}; do
         for j in {{2..7},{a..z}}; do
          for k in {{2..7},{a..z}}; do
           for l in {{2..7},{a..z}}; do
            for m in {{2..7},{a..z}}; do
             for n in {{2..7},{a..z}}; do
              for o in {{2..7},{a..z}}; do
               for p in {{2..7},{a..z}}; do
                  if [ $rtl == "1" ]; then
                      echo "$a$b$c$d$e$f$g$h$i$j$k$l$m$n$o$p.onion"
                  else
                      echo "$p$o$n$m$l$k$j$i$h$g$f$e$d$c$b$a.onion"
                  fi
               done
              done
             done
            done
           done
          done
         done
        done
       done
      done
     done
    done
   done
  done
 done
done