#!/bin/python3

# re is possibly too slow

import sys
import re

pattern = r'\b.*h.*a.*c.*k.*e.*r.*r.*a.*n.*k.*\b'

q = int(input().strip())

for a0 in range(q):
    s = input().strip()

    match = re.match(pattern, s)

    if match is not None:
        print("YES")
    else:
        print("NO")