#!/bin/python3

import sys


q = int(input().strip())
for a0 in range(q):
    s = list(map(str,input().strip()))
    # your code goes here
    desire = ['h','a','c','k','e','r','r','a','n','k']
    for c in range(len(s)):
        if s[c]==desire[0]:
            del desire[0]
            if desire ==[]:
                print("YES")
                break
    if desire != []: 
        print("NO")