#!/bin/python

import sys


q = int(raw_input().strip())
for a0 in xrange(q):
    s = raw_input().strip()
    m=['h','a','c','k','e','r','r','a','n','k']
    l=0
    k=0
    y=0
    l=len(s)
    for i in range(10) :
        try :
            z = s.index(m[i],k,l)
            k = z+1
        except ValueError :
            print "NO"
            y=1
            break
    if y==0 :
        print "YES"