Letter on position 1 (d) changed: 13 words cons eons fons gons hons ions kons mons oons pons sons tons wons Letter on position 2 (o) changed: 4 words dans dens dins duns Letter on position 3 (n) changed: 15 words dobs docs dods does dogs dohs dols doms doos dops dors doss dots dows doys Letter on position 4 (s) changed: 3 words dona done dong