Letter on position 1 (r) changed: 10 words begs degs fegs kegs legs megs negs pegs segs tegs Letter on position 2 (e) changed: 3 words rags rigs rugs Letter on position 3 (g) changed: 14 words rebs recs reds rees refs rehs reis rems rens reos reps rets revs rews Letter on position 4 (s) changed: 1 word rego