#!/bin/python3

import sys


q = int(input().strip())
for a0 in range(q):
    s = input().strip()
    goal = ['h','a','c','k','e','r','r','a','n','k']
    initial = 0
    for i in s:
        if initial>=10:
            break
        if i==goal[initial]:
            initial+=1
    if initial >= 10:
        print('YES')
    else:
        print('NO')
    # your code goes here