#include <bits/stdc++.h>

using namespace std;

using ll = long long;
using pii = pair<int, int>;

const int mod = 1e9+7;

void mainHelper() {
        int t;
        cin >> t;
        while (t--) {
                string s;
                cin >> s;
                bool f = true;
                for (char& c : s) {
                        if (f) {
                                if (c == 'a') {
                                        c = 'b';
                                } else {
                                        c = 'a';
                                }
                        } else {
                                if (c == 'z') {
                                        c = 'y';
                                } else {
                                        c = 'z';
                                }
                        }

                        f ^= 1;
                }

                cout << s << '\n';
        }
}

void fileInputOutput(string name) {
	string inputFile = name+".in";
	string outputFile = name+".out";
	freopen(inputFile.c_str(), "r", stdin);
	freopen(outputFile.c_str(), "w", stdout);
}

int main() {
	ios_base::sync_with_stdio(false);
	cin.tie(nullptr);
	string s = "";
	if (!s.empty()) {
		fileInputOutput(s);
	}
	mainHelper();
	return 0;
}
