Letter on position 1 (g) changed: 9 words balls calls falls halls lalls malls palls talls walls Letter on position 2 (a) changed: 2 words gills gulls Letter on position 3 (l) changed: 1 word gaols Letter on position 4 (l) changed: 2 words galas gales Letter on position 5 (s) changed: 1 word gally