Letter on position 1 (k) changed: 13 words bans cans dans eans fans gans mans nans pans sans tans vans wans Letter on position 2 (a) changed: 3 words kens kins kons Letter on position 3 (n) changed: 9 words kaas kabs kaes kafs kais kaks kats kaws kays Letter on position 4 (s) changed: 4 words kana kane kang kant