#!/bin/python

import sys


q = int(raw_input().strip())
lst=['h','a','c','k','e','r','r','a','n','k']
for a0 in xrange(q):
    s = raw_input().strip()
    # your code goes here
    index=0

    for c in s:
        if c == lst[index]:
            index+=1
        if index==10:
            break
    if index==10:
        print 'YES'
    else:
        print 'NO'