#!/bin/python3

import sys

h = list(map(''.join, zip(*[iter("hackerrank")]*1)))

q = int(input().strip())
for a0 in range(q):
    s = input().strip()
    
    if len(s) < 10:
        print("NO")
    else:
        if all(x in s for x in h):                      
            if s.index('h') < s.index('a'):
                s = s[s.index('a')+1:]
                if s.index('c')< s.index('k'):
                    s = s[s.index('k')+1:]
                    if s.index('e') < s.index('r'):
                        s = s[s.index('r')+1:]
                        if s.index('r') <  s.index('a'):
                            s = s[s.index('a')+1:]
                            if s.index('n')< s.index('k'):                           
                                print("YES")
        else:
            print("NO")