import sys
def Metoda(x):
  t = False
  x.lower()
  if 'h' in x and 'a'in x and 'c' in x and 'k' in x and 'e' in x and 'r' in x and 'n' in x:
    t = True
  return t

q = int(input().strip())
for a0 in range(q):
    s = input().strip()
    if Metoda(s):
      print("YES")
    else:
      print("NO")
    
    # your code goes here