#!/bin/bash
urldecode() { : "${*//+/ }"; echo -e "${_//%/\\x}"; }
for x in {A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P,Q,R,S,T,U,V,W,X,Y,Z,a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t,u,v,w,x,y,z,0,1,2,3,4,5,6,7,8,9}; do
 for y in {A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P,Q,R,S,T,U,V,W,X,Y,Z,a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t,u,v,w,x,y,z,0,1,2,3,4,5,6,7,8,9}; do
                url="https://clck.ru/Fii1wED${x}${y}"
                loc=`curl -s $url --head | grep Location`
                loc=$(urldecode $loc|grep -Po 'url=\K.*&client=')
                echo ${loc::-8}
            done
    done