#!/bin/python3

import sys
import re

q = int(input().strip())
for a0 in range(q):
    s = input().strip()
    # your code goes here
    if re.match(r"^.*h+.*a+.*c+.*k+.*e+.*r+.*r+.*a+.*n+.*k+.*$", s):
        print("YES")
    else:
        print("NO")