import java.io.*; import java.util.*; import java.text.*; import java.math.*; import java.util.regex.*; public class Solution { public static void main(String[] args) { Scanner in = new Scanner(System.in); int n = Integer.parseInt(in.nextLine()); for(int i = 0; i<n; i++) { String chaine = in.nextLine(); if(chaine.matches("[a-z]*h[a-z]*a[a-z]*c[a-z]*k[a-z]*e[a-z]*r[a-z]*r[a-z]*a[a-z]*n[a-z]*k[a-z]*")) System.out.println("YES"); else System.out.println("NO"); } } }