#!/bin/python

import sys


q = int(raw_input().strip())
for a0 in xrange(q):
    s = raw_input().strip()
    # your code goes here
    start = s.find('h')
    for l in 'ackerrank':
        if start == -1:
            print('NO')
            break
        start = s.find(l,start+1)
    if start >= 0:
        print('YES')