Letter on position 1 (n) changed: 16 words bags cags dags fags gags hags jags lags mags rags sags tags vags wags yags zags Letter on position 2 (a) changed: 2 words negs nogs Letter on position 3 (g) changed: 8 words nabs nads nams nans naos naps nats nays Letter on position 4 (s) changed: 1 word naga