#include <bits/stdc++.h>
#define ll long long
#define mod 1000000007
using namespace std;
int main(){
	ios::sync_with_stdio(false);
	cin.tie(0);
	int t;
	cin>>t;
	string m = "hackerrank";
	while(t--){
		string s;
		cin>>s;
		int fl = 0;
		for(int i = 0; i<s.length(); i++){
			if(s[i]=='h' && fl==0){
				fl=1;
			}
			else if(s[i]=='a' && fl==1){
				fl = 2;
			}
			else if(s[i]=='c' && fl==2){
				fl = 3;
			}
			else if(s[i]=='k' && fl==3){
				fl = 4;
			}
			else if(s[i]=='e' && fl==4){
				fl = 5;
			}
			else if(s[i]=='r' && fl==5){
				fl = 6;
			}
			else if(s[i]=='r' && fl==6){
				fl = 7;
			}
			else if(s[i]=='a' && fl==7){
				fl = 8;
			}
			else if(s[i]=='n' && fl==8){
				fl = 9;
			}
			else if(s[i]=='k' && fl==9){
				fl = 10;
				break;
			}
		}
		if(fl==10){
			cout<<"YES"<<endl;
		}
		else{
			cout<<"NO"<<endl;
		}
	}
	return 0;
}