q=int(raw_input())
a=['h','a','c','k','e','r','r','a','n','k']
def fun(s):
	for i in a:
		try:
			s=s[s.index(i)+1:]
		except:
			return "NO"
	return "YES"
for i in range(q):
	b=str(raw_input())
	s=[]
	for j in range(len(b)):
		s.append(b[j])
	print fun(s)