#include <bits/stdc++.h>

using namespace std;

int main(){ 
    int q,count=0;
    cin >> q;
    
    char p[10]={'h','a','c','k','e','r','r','a','n','k'};
   
    
    for(int l = 0; l < q; l++)
    {
        string s;
        cin >> s;
        int t=s.size();
        int i=0;
        int j=0;
        
            while(j<t)
            {if(p[i]==s[j])
            {i++;
            j++;
            
            }
            else
                j++;    
            }
            
        if(i==10)
            cout<<"YES"<<endl;
        else
            cout<<"NO"<<endl;
    }
    return 0;
}