#!/bin/python3

import sys


q = int(input().strip())
hacker = ['h','a','c','k','e','r']
rank = ['r','a','n','k']

for a0 in range(q):
    count1 = 0
    count2=0
    s = input().strip()
    test1 = []
    test2 = []
    for let in s:
        if test1 != hacker:
            if let is hacker[count1] and let not in test1:
                test1.append(let)
                count1=count1+1
        elif let is rank[count2] and let not in test2:
            test2.append(let)
            count2=count2+1
    #print(test1,test2)
    if test1 == hacker and test2 == rank:
        print("YES")
    else:
        print("NO")