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) { int countA=0,countK=0,countR=0; Scanner in = new Scanner(System.in); int q = in.nextInt(); for(int a0 = 0; a0 < q; a0++) { String s = in.next(); char[] temp=s.toCharArray(); for(int i=0;i<temp.length;i++) { for(int j=0;j<temp.length;j++) { if(temp[j]=='r') { countR++; } else if(temp[j]=='k') { countK++; } else if(temp[j]=='a') { countA++; } } } if(s.contains("h") && s.contains("c") && s.contains("e") && s.contains("n") && countA>=2 && countR>=2 && countK>=2) { System.out.println("YES"); } else { System.out.println("NO"); } } } }