#!/bin/python3

import sys

word = ['h','a','c','k','e','r','r','a','n','k']
q = int(input().strip())
flag = 0
for a0 in range(q):
    s = list(input().strip())
    # your code goes here
    for i in range(len(word)):
        if word[i] in s:
            flag = 1
            s.remove(word[i])
        else:
            flag = 0
            break
    if flag == 0:
        print("NO")
    else:
        print("YES")