Codespell fixes

Author: CPBridge

src/highdicom/seg/sop.py

@@ -2156,7 +2156,7 @@ def _check_and_cast_pixel_array(
         # As a result, this method is optimized for runtime efficiency at the
         # expense of simplicity. In particular, there are several common
         # special cases that have optimized implementations, and intermediate
-        # results are re-used wherever possible
+        # results are reused wherever possible
         number_of_segments = len(segment_numbers)
 
         if pixel_array.ndim == 4:

src/highdicom/volume.py

@@ -1249,7 +1249,7 @@ def flip_spatial(self, axes: int | Sequence[int]) -> Self:
                 'Argument "axis" must contain only values 0, 1, and/or 2.'
             )
 
-        # We will re-use the existing __getitem__ implementation, which has all
+        # We will reuse the existing __getitem__ implementation, which has all
         # this logic figured out already
         index = []
         for d in range(3):