#!/bin/python3

import sys
import re

q = int(input().strip())
for a0 in range(q):
    s = input().strip()
    hIndex = s.find("h")
    if hIndex != -1:
        aIndex = s.find("a", hIndex)
        if aIndex != -1:
            cIndex = s.find("c", aIndex)
            if cIndex != -1:
                kIndex = s.find("k", cIndex)
                if kIndex != -1:
                    eIndex = s.find("e", kIndex)
                    if eIndex != -1:
                        rIndex = s.find("r", eIndex)
                        if rIndex != -1:
                            rIndex = s.find("r", rIndex+1)
                            if rIndex != -1:
                                aIndex = s.find("a", rIndex)
                                if aIndex != -1:
                                    nIndex = s.find("n", aIndex)
                                    if nIndex != -1:
                                        kIndex = s.find("k", nIndex)
                                        if kIndex != -1:
                                            print("YES")
                                            continue   # go to next query
    print("NO")