#include <bits/stdc++.h>
using namespace std;

typedef long long int ll;
#define M 1000000007

int main() {
    std::ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);
    
    int t;
    cin>>t;
    while(t--)
    {
        string s;
        cin>>s;
        for(int i=0; i<s.length(); i++)
        {
            if(i%2==0)
            {
                if(s[i] != 'a')
                    s[i] = 'a';
                else
                    s[i] = 'b';
            }
            else
            {
                if(s[i] != 'z')
                    s[i] = 'z';
                else
                    s[i] = 'y';
            }
        }
        cout<<s<<endl;
    }
	return 0;
}
