#!/bin/python3

import sys


q = int(input().strip())
for a0 in range(q):
    s = input().strip()
    # your code goes here
    valid = True
    for letter in ['h', 'a', 'c', 'k', 'e', 'r', 'r', 'a', 'n', 'k']:
        ind = s.find(letter)
        if ind == -1:
            valid = False
            break
        s = s[ind+1:]

    if valid:
        print('YES')
    else:
        print('NO')