#!/bin/python

import sys


q = int(raw_input().strip())
hack = [i for i in "hackerrank"]
for a0 in xrange(q):
    count = 0
    s = raw_input().strip()
    for i in hack: 
        if i in s:
            count = count + 1 
        else: 
            pass
    if count == len(hack):
        print "YES"
    else: 
        print "NO"