Letter on position 1 (g) changed: 13 words bobs cobs dobs fobs hobs jobs kobs lobs mobs nobs robs sobs yobs Letter on position 2 (o) changed: 3 words gabs gibs gubs Letter on position 3 (b) changed: 8 words goas gods goes gons goos goss govs goys Letter on position 4 (s) changed: 2 words gobo goby