Letter on position 1 (m) changed: 6 words aals bals dals gals pals sals Letter on position 2 (a) changed: 3 words mels mils mols Letter on position 3 (l) changed: 14 words maas macs mads maes mags maks mams mans maps mars mass mats maws mays Letter on position 4 (s) changed: 6 words mala male mali mall malm malt