#include <iostream>
#include <cstring>
#include <vector>
#include <algorithm>
#include <string>

using namespace std;

int main(){
    int q;
    cin >> q;
    char v[] = {'h','a','c','k','e','r','r','a','n','k'};
    for(int a0 = 0; a0 < q; a0++){
        string s;
        cin >> s;
        // your code goes here
        bool contain=false;
        int naux=0;
        for(int i=0;i<s.length() && naux < sizeof v;i++){
            if(s[i]==v[naux])naux++;
        }
        if(naux < sizeof v){
            cout<<"NO"<<endl;
        }else{
            cout<<"YES"<<endl;
        }
            
    }
    return 0;
}