#!/bin/python3

import sys
import re


q = int(input().strip())
h = "h.*a.*c.*k.*e.*r.*r.*a.*n.*k"
for a0 in range(q):
    s = input().strip()
    # your code goes here
    prog = re.compile(h)
    result = prog.search(s)
    
        
    if result != None:
        print("YES")
    else:
        print("NO")