#!/bin/python3

import sys


q = int(input().strip())
for a0 in range(q):
    s = input().strip()
    # your code goes here
    h,a,c,k,e,r,n = 0, 0, 0, 0, 0, 0, 0
    yes = False
    
    for i in range(len(s)):
        if s[i] == "h":
            h = h + 1
        if s[i] == "a":
            a = a + 1
        if s[i] == "c":
            c = c + 1
        if s[i] == "k":
            k = k + 1
        if s[i] == "e":
            e = e + 1
        if s[i] == "r":
            r = r + 1
        if s[i] == "n":
            n = n + 1
            
    if h >= 1:
        if a >= 2:
            if c >= 1:
                if k >= 2:
                    if e >= 1:
                        if r >= 2:
                            if n >= 1:
                                yes = True

    if yes == True:
        print("YES")
    else:
        print("NO")