import sys
result=[]

q = int(raw_input().strip())
for a0 in xrange(q):
    s = raw_input().strip()
    wor=['h','a','c','k','e','r','r','a','n','k']
    i=0
    for c in s:
    	#print(i)
    	if len(wor)>0:
    		if c==wor[i]:
    			wor.remove(c)
    			#i=i+1
    if not wor:
    	result.append('YES')
    else:
    	result.append('NO')
j=0
while j < len(result):
	print result[j];
	j=j+1;
    # your code goes here