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();
            int counter = 104;
            int acounter = 0;
            int kcounter = 0;
            int rcounter = 0;
            int helper = 0;
            for (int a1 = 0; a1 < s.length(); a1++) {
                if (s.charAt(a1) == counter) {
                    if (counter == 104) {//h
                        counter = 97;
                    } else if (counter == 97 && acounter == 0) {//a
                        counter = 99;
                        acounter++;
                    } else if (counter == 99) {//c
                        counter = 107;
                    } else if (counter == 107 && kcounter == 0) {
                        counter = 101;
                        kcounter++;
                    } else if (counter == 101) {
                        counter = 114;
                    } else if (counter == 114 && rcounter == 0) {
                        rcounter++;
                    } else if (counter == 114 && rcounter ==1) {
                        counter = 97;
                    } else if (counter == 97 && acounter == 1) {
                        counter = 110;
                    } else if (counter == 110) {
                        counter = 107;
                    } else if (counter == 107 && kcounter == 1) {
                        helper = 1;
                    }
                }
            }
            if (helper == 1) {
                System.out.println("YES");
            } else {
                System.out.println("NO");
            }
        }
    }
}