python ladder01.py

String (to quit type *quit*): apple
No such word: apple

String (to quit type *quit*): aboard
NO MATCH

String (to quit type *quit*): yonder
 1.  bonder
 2.  fonder
 3.  ponder
 4.  wonder

String (to quit type *quit*): wonder
 1.  bonder
 2.  fonder
 3.  ponder
 4.  wander
 5.  winder
 6.  yonder

String (to quit type *quit*): wander
 1.  gander
 2.  lander
 3.  pander
 4.  sander
 5.  warder
 6.  winder
 7.  wonder

String (to quit type *quit*): *quit*
Goodbye.