Letter on position 1 (b) changed: 10 words cards eards fards hards lards nards pards sards wards yards Letter on position 2 (a) changed: 3 words birds bords burds Letter on position 3 (r) changed: 4 words balds bands bauds bawds Letter on position 4 (d) changed: 7 words barbs bares barfs barks barms barns barps Letter on position 5 (s) changed: 3 words barde bardo bardy