q = int(input().strip())
for a in range(q):
    s1 = list(input().strip())
    s2=['h','a','c','k','e','r','r','a','n','k']
    n=len(s1)
    j=0
    if(n>=len(s2)):
	    for i in range(n):
	    	if(len(s2)==j):
	    		break;
	    	if(s1[i]==s2[j]):
	    		j+=1
	    if(len(s2)==j):
	    	print("YES")
	    else:
	    	print("NO")
    else:
        print("NO")