# Enter your code here. Read input from STDIN. Print output to STDOUT
n = int(input().strip())
contains = False
myset = {'h','a','c','k','e','r','r','a','n','k'}
smallString = []
for i in range(n):
    s = str(input().strip())
    result = ''
    for a in list(s):
        if a in myset:
            smallString.append(a)
    #Loop through the set looking for chars in string
    try:
        smallString.remove('h')
        smallString.remove('a')
        smallString.remove('c')
        smallString.remove('k')
        smallString.remove('e')
        smallString.remove('r')
        smallString.remove('r')
        smallString.remove('a')
        smallString.remove('n')
        smallString.remove('k')
        print("YES")
    except:
        print("NO")