
#include <bits/stdc++.h>
using namespace std;
#define int long long
#define f(n) for (int i = 0; i < n; i++)
#define show(x, y) cout << x << "         " << y << "\n"
#define fo(i, x, n) for (int i = x; i < n; i++)
#define fb(i, x, n) for (int i = n - 1; i >= x; i--)
#define w(t)

int32_t main()
{

    int t;
    cin >> t;
    while (t--)
    {
        string s;
        cin >> s;
        f(s.size())
        {
            if (i % 2)
            {
                if (s[i] == 'z')
                {
                    cout << "y";
                }
                else
                {
                    cout << "z";
                }
            }
            else
            {
                if (s[i] == 'a')
                {
                    cout << "b";
                }
                else
                {
                    cout << "a";
                }
            }
        }
        cout << endl;
    }

    cerr << "Time : " << 1.0 * clock() / CLOCKS_PER_SEC << "s\n";
    return 0;
}