Letter on position 1 (s) changed: 13 words cons dons eons fons gons hons ions kons mons oons pons tons wons Letter on position 2 (o) changed: 4 words sans sens sins suns Letter on position 3 (n) changed: 14 words sobs socs sods sogs sohs sols soms sops soss sots sous sovs sows soys Letter on position 4 (s) changed: 2 words sone song