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(); //char[] ch=s1.toCharArray(); //for(int i=0;i<ch.length;i++){ //System.out.print(ch[i]); } for(int a0 = 0; a0 < q; a0++){ String s = in.next(); char[] ch = s.toCharArray(); int[] array =new int[7]; for(int i =0; i<ch.length;i++){ if (ch[i] == 'h') array[0]=array[0]+1; if (ch[i] == 'a') array[1]=array[1]+1; if (ch[i] == 'c') array[2]=array[2]+1; if (ch[i] == 'k') array[3]=array[3]+1; if (ch[i] == 'e') array[4]=array[4]+1; if (ch[i] == 'r') array[5]=array[5]+1; if (ch[i] == 'n') array[6]=array[6]+1;} if(array[0]>=1 && array[1]>=2 && array[2]>=1 && array[3]>=2 && array[4]>=1 && array[5]>=2 && array[6]>=1 ) System.out.println("YES"); else System.out.println("NO"); } } }