Letter on position 1 (b) changed: 13 words cens dens fens gens hens kens lens pens rens sens tens wens yens Letter on position 2 (e) changed: 3 words bans bins buns Letter on position 3 (n) changed: 6 words beds bees begs bels bets beys Letter on position 4 (s) changed: 5 words bend bene beni benj bent