#include <bits/stdc++.h>

using namespace std;

int main(){
    int q, index;
    cin >> q;
    for(int a0 = 0; a0 < q; a0++){
        string s;
        cin >> s;
        index = 0;
        for(int i = 0; i < s.size(); i++){
            if(s[i] == 'h' && index == 0)
                index++;
            else if(s[i] == 'a' && index == 1)
                index++;
            else if(s[i] == 'c' && index == 2)
                index++;
            else if(s[i] == 'k' && index == 3)
                index++;
            else if(s[i] == 'e' && index == 4)
                index++;
            else if(s[i] == 'r' && (index == 5 || index == 6))
                index++;
            else if(s[i] == 'a' && index == 7)
                index++;
            else if(s[i] == 'n' && index == 8)
                index++;
            else if(s[i] == 'k' && index == 9)
                index++;
        }
        if(index == 10)
            cout << "YES" << endl;
        else
            cout << "NO" << endl;
    }
    return 0;
}