#include<cstdio>
#include<iostream>
#include<algorithm>
int main()
{
	int n;
	char a[100000];
	bool x = 1;
	while (~scanf("%d", &n)) {
		while (n--) {
			x = 1;
			scanf("%s", a);
			for (int i = 0; a[i] != '\0'; i++) {
				if (x) {
					if (a[i] != 'a')
						a[i] = 'a';
					else
						a[i] = 'b';
					x = 0;
				}
				else {
					if (a[i] != 'z')
						a[i] = 'z';
					else
						a[i] = 'z' - 1;
					x = 1;
				}
			}
			printf("%s\n", a);
		}
	}
  return 0;
    
}
