Letter on position 1 (h) changed: 9 words ceps keps leps neps peps reps seps yeps zeps Letter on position 2 (e) changed: 5 words haps hips hops hups hyps Letter on position 3 (p) changed: 7 words hehs hems hens hers hets hews heys Letter on position 4 (s) changed: 1 word hept