#include <bits/stdc++.h>

using namespace std;

int main(){
    int q;
    cin >> q;
    for(int a0 = 0; a0 < q; a0++){
        string s;
        cin >> s;
        
        bool h = false;
        bool a = false;
        bool c = false;
        bool k = false;
        bool e = false;
        bool r = false;
        
        bool r2 = false;
        bool a2 = false;
        bool n = false;
        bool k2 = false;
        
        bool found = false;
        
        // your code goes here
        

        for(int i = 0; i < s.size(); i++){
            if(!h){
                if(s.c_str()[i] == 'h')
                    h =  true;
            }
            else if(!a){
                if(s.c_str()[i] == 'a')
                    a =  true;
            }
            else if(!c){
                if(s.c_str()[i] == 'c')
                    c =  true;
            }
            else if(!k){
                if(s.c_str()[i] == 'k')
                    k =  true;
            }
            else if(!e){
                if(s.c_str()[i] == 'e')
                    e =  true;
            }
            else if(!r){
                if(s.c_str()[i] == 'r')
                    r =  true;
            }
            else if(!r2){
                if(s.c_str()[i] == 'r')
                    r2 =  true;
            }
            else if(!a2){
                if(s.c_str()[i] == 'a')
                    a2 =  true;
            }
            else if(!n){
                if(s.c_str()[i] == 'n')
                    n =  true;
            }
            else if(!k2){
                if(s.c_str()[i] == 'k'){
                    k2 =  true;
                    found = true;
                }
            }
            
        }
        if(found)
            cout << "YES\n";
        else
            cout << "NO\n";
    }
    return 0;
}