#!/bin/python3

import sys


q = int(input().strip())
for a0 in range(q):
    s = input().strip()
    sortedS = sorted(s)
    sortedS = list(sortedS)
    h = "hackerrank"
    sortH = sorted(h)
    sortH = list(sortH)
    setH = set(sortH)
    unionH = setH.union(setH)
    unionH = list(unionH)
    test = []
    
    for items in unionH:
        if (sortedS.count(items))>=(sortH.count(items)):
            test.append("y")
        else:
            test.append("n")
    if test.count("y") == len(test):
        print ("YES")
    else:
        print ("NO")