#include <bits/stdc++.h>

using namespace std;

int main(){
    int q;
    cin >> q;
    while(q--)
    {
    string s;
    for(int a0 = 0; a0 < q; a0++) 
        cin >> s;
    string s1="aacehknrr";
        int match=0;
    sort(s.begin(),s.end());
    int i,j=0,tag=0;
    for(i=0;s1[i] != '\0';i++)
        {
         for(;s[j] != '\0'; j++)
             {
              if(s[j] > s1[i]){
                  tag=1;
                  break;
              }
              if(s[j] == s1[i])
                  {
                  match++;j++;break;
                  }
             }
         if(tag==1)
             break;
         }
    if(match == 9)
        cout<<"YES"<<endl;
    else
        cout<<"NO"<<endl;
    }
    return 0;
}