Letter on position 1 (p) changed: 10 words begs degs fegs kegs legs megs negs regs segs tegs Letter on position 2 (e) changed: 2 words pigs pugs Letter on position 3 (g) changed: 9 words peas pecs peds pees pehs pens peps pets pews Letter on position 4 (s) changed: 1 word pegh