Letter on position 1 (h) changed: 14 words bets fets gets jets kets lets mets nets pets rets sets tets vets wets Letter on position 2 (e) changed: 4 words hats hits hots huts Letter on position 3 (t) changed: 7 words hehs hems hens heps hers hews heys Letter on position 4 (s) changed: 2 words hete heth