Letter on position 1 (m) changed: 4 words docs rocs socs tocs Letter on position 2 (o) changed: 3 words macs mics mycs Letter on position 3 (c) changed: 16 words moas mobs mods moes mogs mols moms mons moos mops mors moss mots mous mows moys Letter on position 4 (s) changed: 2 words moch mock