#include <bits/stdc++.h>
#define pii pair <int,int>
#define pb push_back
#define mp make_pair
using namespace std;
char x,y,z,t,c;
int X,n,i,j;
int main()
{
    cin>>n;
    for(i=1;i<=n;i++)
    {
        cin>>x>>y>>c>>z>>t;
        x-='a';
        y-='a';
        z-='a';
        t-='a';
        if(z==0&&t==0)
        {
            cout<<"YES\n";
            continue;
        }
        if(z==x&&t==y)
        {
            cout<<"YES\n";
            continue;
        }
        if(t==x&&x==y)
        {
            cout<<"YES\n";
            continue;
        }
        if(x+1==y&&y+1==z&&z+1==t)
        {
            cout<<"YES\n";
            continue;
        }
         X=x*1000+y*100+z*10+t;
        for(j=1024;j<10000;j<<=1)
            if(j==X)
            {
                cout<<"YES\n";
                continue;
            }
        cout<<"NO\n";
    }
    return 0;
}