text: """
  
   Created by akiselev on 2019-05-14
   
   
  """
  import string
  alpha = string.ascii_lowercase
  #The string module contains a set of useful constants, such as ascii_letters and digits, and the module is often still imported for that reason.
  
  print(alpha)
  #n = int(input())
  n=4
  L = []
  for i in range(n):
      s = "-".join(alpha[i:n])
      print(s)
      L.append((s[::-1]+s[1:]).center(4*n-3, "-"))
  print(L)
  print('\n'.join(L[:0:-1]+L))