#include <iostream>
#include <string>
using namespace std;

int main(){

	int q, p[10] = {0,0,0,0,0,0,0,0,0,0}, c;
	string s;
	cin>>q;

	for (int i = 0; i < q; ++i){
		cin>>s;
		c=0;
		for (int i = 0; i < s.size(); ++i){
			if(s[i] == 'h' && p[0] == 0) {p[0] = 1; c++;}
			if(s[i] == 'a' && p[1] == 0) {p[1] = 1; c++;}
			if(s[i] == 'c' && p[2] == 0) {p[2] = 1; c++;}
			if(s[i] == 'k' && p[3] == 0) {p[3] = 1; c++;}
			if(s[i] == 'e' && p[4] == 0) {p[4] = 1; c++;}
			if(s[i] == 'r' && p[5] == 0) {p[5] = 1; c++;}
			if(s[i] == 'r' && p[6] == 0) {p[6] = 1; c++;}
			if(s[i] == 'a' && p[7] == 0) {p[7] = 1; c++;}
			if(s[i] == 'n' && p[8] == 0) {p[8] = 1; c++;}
			if(s[i] == 'k' && p[9] == 0) {p[9] = 1; c++;}

		}


		if(c >= 10) cout<<"YES"<<endl;
		else cout<<"NO"<<endl;
	}

	
	return 0;
}