Letter on position 1 (g) changed: 13 words bans cans dans eans fans kans mans nans pans sans tans vans wans Letter on position 2 (a) changed: 4 words gens gins gons guns Letter on position 3 (n) changed: 11 words gabs gads gaes gags gals gams gaps gars gats gaus gays Letter on position 4 (s) changed: 3 words gane gang gant