#!/bin/python

import sys


q = int(raw_input().strip())
for a0 in xrange(q):
    s = raw_input().strip()
    # your code goes here
    letters = ['h','a','c','k','e','r','r','a','n','k']
    j = 0
    for i in s:
        if i == letters[j]:
            j += 1
    if j == 10:
        print 'YES'
    else:
        print 'NO'