hackerearcth fight2

#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define test int t; cin>>t; for(int cs=1;cs<=t;cs++)
int main()
{
   ios_base::sync_with_stdio(0);
   cin.tie(0);cout.tie(0);

   test
   {

       string a,c;
       ll i,j,k,l,h;
       cin>>a;
       c=a;
       char x;
       reverse(c.begin(),c.end());
       for(i=0;i<a.size();i++)
       {
           l=a[i]-96;
           k=c[i]-96;
           if(k+l==26) h=26;
           else if(k+l>26) h=(k+l)-26;
           else h=k+l;
           x='a'+h-1;
           cout<<x;
       }
       cout<<endl;
   }


   return 0;
}