#include <iostream>
using namespace std;
int main() {
int t;
cin >> t;
while(t--){
string s;
cin >> s;
int x;
int a[123]={0};
int y=0;
for(int i=0; i<s.length()/2; i++){
x=s[i];
a[x]++;
y++;
}
for(int i=s.length()-y; i<=s.length()-1; i++){
x=s[i];
a[x]--;
}
int flag=0;
for(int i=96; i<123; i++)
{
if(a[x]!=0){
flag=1;
break;
}
}
if(flag==1)
cout << "NO" << endl;
else
cout << "YES" << endl;
}
return 0;
}
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