Letter on position 1 (f) changed: 11 words bogs cogs dogs hogs jogs logs mogs nogs sogs togs wogs Letter on position 2 (o) changed: 4 words fags fegs figs fugs Letter on position 3 (g) changed: 8 words fobs foes fohs fons fops foss fous foys Letter on position 4 (s) changed: 1 word fogy