Letter on position 1 (r) changed: 3 words feis leis seis Letter on position 2 (e) changed: 1 word rais Letter on position 3 (i) changed: 14 words rebs recs reds rees refs regs rehs rems rens reos reps rets revs rews Letter on position 4 (s) changed: 3 words reif reik rein