#!/bin/python

import sys
import re

q = int(raw_input().strip())
for a0 in xrange(q):
    s = raw_input().strip()
    match = re.search("h.*?a.*?c.*?k.*?e.*?r.*?r.*?a.*?n.*?k",s)
    if match:
        print "YES"
    else: 
        print "NO"