Letter on position 1 (k) changed: 9 words ceps heps leps neps peps reps seps yeps zeps Letter on position 2 (e) changed: 2 words kips kops Letter on position 3 (p) changed: 9 words keas kebs keds kefs kegs keks kens kets keys Letter on position 4 (s) changed: 2 words kepi kept