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 q = in.nextInt(); for(int a0 = 0; a0 < q; a0++){ String s = in.next(); if(s.indexOf("h")!=-1&&s.indexOf("a")!=-1&&s.indexOf("c")!=-1&&s.indexOf("k")!=-1&&s.indexOf("e")!=-1&&s.indexOf("r")!=-1&&s.indexOf("r")!=-1&&s.indexOf("a")!=-1&&s.indexOf("n")!=-1&&s.indexOf("k")!=-1) { System.out.println("YES"); } else { System.out.println("NO"); } } } }