#!/bin/python3

import sys
import re


q = int(input().strip())
for a0 in range(q):
    s = input().strip()
    match = re.match('.*h.*a.*c.*k.*e.*r.*r.*a.*n.*k.*', s)
    if match is not None:
        print("YES")
    else:
        print("NO")
    # your code goes here