Letter on position 1 (m) changed: 11 words boys coys doys foys goys hoys joys loys noys soys toys Letter on position 2 (o) changed: 1 word mays Letter on position 3 (y) changed: 16 words moas mobs mocs mods moes mogs mols moms mons moos mops mors moss mots mous mows Letter on position 4 (s) changed: 2 words moya moyl