Letter on position 1 (p) changed: 9 words ceps heps keps leps neps reps seps yeps zeps Letter on position 2 (e) changed: 4 words paps pips pops pups Letter on position 3 (p) changed: 9 words peas pecs peds pees pegs pehs pens pets pews Letter on position 4 (s) changed: 1 word pepo