Suppose that the following elements are added in the specified order to an empty binary search tree: Lisa, Bart, Marge, Homer, Maggie, Flanders, Smithers, Milhouse Write the elements of the tree above in the order they would be seen by a pre-order, in-order, and post-order traversal. Type your solutions with the elements separated by spaces and/or commas, such as: One, Two, Three, Four Sound F/X pre-order in-order post-order