Whee, I solved the current WESUN Puzzle! Haven't actually solved one in a while. And I did it by hand. I think the key was focusing on the y. Since my first pass didn't turn up any y-words that were also words backwards, I first tried for a word that ended in y crossed with a word that had a y in the middle (rye). Several attempts at that proved unsuccessful, and it looked like it was unlikely to produce something. So then I did a more exhaustive search for y-words and came up with a couple of pairs that were words backwards and forwards. Stuck one of those on the diagonal and there it was. Neato.