Letter on position 1 (w) changed: 13 words bens cens dens fens gens hens kens lens pens rens sens tens yens Letter on position 2 (e) changed: 4 words wans wins wons wyns Letter on position 3 (n) changed: 6 words webs weds wees wems wets weys Letter on position 4 (s) changed: 3 words wena wend went