#!/bin/python

import sys


q = int(raw_input().strip())
for a0 in xrange(q):
    s = raw_input().strip()
    # your code goes here
    l= len(s)
    try:
        h =s.index('h')
        k2 = s[::-1].index('k')
        n = s[::-1].index('n',k2,l-h-1)
        a1 = s.index('a',h,l-n-1)   
        
        
        c= s.index('c',a1,l-n-1)
        a2 = s[::-1].index('a',n,l-c-1)
        k1= s.index('k',c,l-a2-1)
             
        r2 = s[::-1].index('r',a2,l-k1-1)
       
        r1 = s[::-1].index('r',r2+1,l-k1-1) 
       
        e = s[::-1].index('e',r1,l-k1-1)
               
        print 'YES'
    except :
        print 'NO'