#!/bin/python

import sys


q = int(raw_input().strip())
a='hackerrank'
a1=set(a)
for a0 in xrange(q):
    s = raw_input().strip()
    s1=set(s)
    # your code goes here
    if a1.issubset(s1):
        k=0
        for i in ['a','r','k']:
            if s.count(i)>=2:
               k+=1
        if k==3:
            print 'YES'
        else:
            print 'NO'
    else:
        print 'NO'