Letter on position 1 (g) changed: 6 words aals bals dals mals pals sals Letter on position 2 (a) changed: 2 words gels guls Letter on position 3 (l) changed: 11 words gabs gads gaes gags gams gans gaps gars gats gaus gays Letter on position 4 (s) changed: 3 words gala gale gall