#include<iostream>
#include <string>
#include <unordered_map>
#include <vector>
#include <algorithm>
#include <queue>
#include <cmath>

using namespace std;

int main(){
	int t;
	cin >> t;

	while (t--){
		string input;
		cin >> input;
		for (int i = 0; i < input.size(); ++i){
			if (i % 2 == 0){
				char candidate = 'a';

				while (candidate == input[i]){
					++candidate;
				}

				input[i] = candidate;
			}
			else{
				char candidate = 'z';

				while (candidate == input[i]){
					--candidate;
				}

				input[i] = candidate;
			}
		}
		cout << input << '\n';
	}

	//system("pause");
	return 0;
}