#!/bin/python

import sys


q = int(raw_input().strip())
for a0 in xrange(q):
    s = raw_input().strip()
    l = ['h','a','c','k','e','r','r','a','n','k']
    n = len(l)
    count = 0
    for i in range(len(s)):
        if l[count] == s[i]:
            count += 1
        if count == n:
            print "YES"
            break
    if count != n:
        print "NO"
        
    count =0
    # your code goes here