#!/bin/python

import sys


q = int(raw_input().strip())
for i in xrange(q):
    s = raw_input().strip()
    for j in range(len(s)):
        if s[j]=="h":
            a=j
            for k in range(j,len(s)):
                if s[k]=='a':
                    b=k
                    for l in range(k,len(s)):
                        if s[l]=='c':
                            for m in range(l,len(s)):
                                if s[m]=='k':
                                    for n in range(m,len(s)):
                                        if s[n]=='e':
                                            for o in range(n,len(s)):
                                                if s[o]=='r':
                                                    for p in range(o+1,len(s)):
                                                        if s[p]=='r':
                                                            for q1 in range(p,len(s)):
                                                                if s[q1]=='a':
                                                                    for r in range(q1,len(s)):
                                                                        if s[r]=='n':
                                                                            for t in range(r,len(s)):
                                                                                if s[t]=='k':
                                                                                    print "YES"
                                                                                    break;
                                                                                if t==len(s)-1:
                                                                                    print "NO"
                                                                            break        
                                                                                     
                                                                        if r==len(s)-1:
                                                                            print "NO"
                                                                    break        
                                                                if q1==len(s)-1:
                                                                    print "NO" 
                                                            break        
                                                        if p==len(s)-1:
                                                            print "NO"
                                                    break            
                                                if o==len(s)-1:
                                                    print "NO" 
                                            break            
                                        if n==len(s)-1 :
                                            print "NO" 
                                    break            
                                if m==len(s)-1:
                                    print "NO"   
                            break            
                        if l==len(s)-1 :
                            print "NO" 
                    break            
                if k==len(s)-1:
                    print "NO"         
            break            
        if j==len(s)-1 :
            print "NO"