Letter on position 1 (f) changed: 14 words bets gets hets jets kets lets mets nets pets rets sets tets vets wets Letter on position 2 (e) changed: 2 words fats fits Letter on position 3 (t) changed: 10 words feds fees fegs fehs feis fems fens fess feus feys Letter on position 4 (s) changed: 3 words feta fete fett