#!/bin/python3

import sys


target = ('h', 'a', 'c', 'k', 'e', 'r', 'r', 'a', 'n', 'k')
target_state = len(target)
current_state = 0
q = int(input().strip())
for a0 in range(q):
    current_state = 0
    s = input().strip()
    
    for c in s:
        if c == target[current_state]:
            current_state += 1
        if current_state == target_state:
            break
    if current_state == target_state:
        print("YES")
    else:
        print('NO')