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  1. from itertools import product
  2. letters = ['',] # first symbol is blank
  3. letters.extend(list('abc')) # you may use string.ascii_letters instead 'abc'
  4.  
  5. for word in product(letters, repeat=len(letters)):
  6. 	print(''.join(word))
  7.  
Success #stdin #stdout 0.02s 9984KB
comments (?)
stdin 
Standard input is empty
stdout 
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https://ideone.com/uo4NNr
language:
Python 3 (python  3.9.5)
created:
8 years ago
visibility:
secret

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