Letter on position 1 (m) changed: 16 words bags cags dags fags gags hags jags lags nags rags sags tags vags wags yags zags Letter on position 2 (a) changed: 4 words megs migs mogs mugs Letter on position 3 (g) changed: 14 words maas macs mads maes maks mals mams mans maps mars mass mats maws mays Letter on position 4 (s) changed: 3 words mage magg magi