Letter on position 1 (m) changed: 8 words cols dols hols jols pols sols vols zols Letter on position 2 (o) changed: 3 words mals mels mils Letter on position 3 (l) changed: 16 words moas mobs mocs mods moes mogs moms mons moos mops mors moss mots mous mows moys Letter on position 4 (s) changed: 6 words mola mold mole moll molt moly