def _add_word(word: str, puzzle: Puzzle, location: Tuple[int, int],
orientation: Orientation, inverted: bool) -> Puzzle:
change_vector = orientation.get_vector()
if inverted:
change_vector = -change_vector[0], -change_vector[1]
new_puzzle = puzzle.__copy__()
for i in range(len(word)):
current_location = (location[0] + i * change_vector[0],
location[1] + i * change_vector[1])
puzzle.set(word[i], current_location[0], current_location[1])
return new_puzzle
