Letter on position 1 (w) changed: 13 words bans cans dans eans fans gans kans mans nans pans sans tans vans Letter on position 2 (a) changed: 4 words wens wins wons wyns Letter on position 3 (n) changed: 10 words wabs wads waes wags wais waps wars wats waws ways Letter on position 4 (s) changed: 6 words wand wane wang wank want wany