#!/bin/python3

import sys


q = int(input().strip())
for a0 in range(q):
    s = input().strip()
    checkstring = ['h','a','c','k','e','r','r','a','n','k']
    s_list = list(s)
    k = 0
    for i in range(len(s_list)):
        if k == 9:
            break
        if(s_list[i] == checkstring[k]):
            k = k + 1
        elif not(k == 0):
            if(s_list[i] == checkstring[k-1]):
                continue
            
        else:
            k = 0
    if k == 9:
        print("YES")
    else:
        print("NO")
    # your code goes here