#!/bin/python3

#!/bin/python3

import sys
import re


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