#include<bits/stdc++.h>
using namespace std;
typedef long long int ll;
#define en "\n"
#define sp " "
#define pb push_back
#define Austere7 ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL);
ll const mod=1e9+7;
ll const inf=1e18;
ll const mxn=2e5+5;

inline void file()
{  
#ifndef ONLINE_JUDGE
freopen("input.txt", "r", stdin);
freopen("output.txt", "w", stdout);	
#endif
}

int main()
{  
	file();
 
	Austere7

ll t;cin>>t;while(t--)
{	
	string s;
	cin>>s;

	ll c=1;
	for(ll i=0;i<s.size();i++)
	{
		if(c)
		{
			if(s[i]=='a')
				s[i]='b';
			else
				s[i]='a';
		}
		else
		{
			if(s[i]=='z')
				s[i]='y';
			else
				s[i]='z';
		}
		c=1-c;
	}

	cout<<s<<en;

}
}