1  """
 2  All viable commands that can be sent to the engine
 3  """
 4  
 5  NORTH = 'n'
 6  SOUTH = 's'
 7  EAST = 'e'
 8  WEST = 'w'
 9  STAY_STILL = 'o'
10  GENERATE = 'g'
11  CONSTRUCT = 'c'
12  MOVE = 'm'