Letter on position 1 (b) changed: 3 words lurks murks turks Letter on position 2 (u) changed: 4 words barks berks birks borks Letter on position 3 (r) changed: 5 words bucks buiks bulks bunks busks Letter on position 4 (k) changed: 8 words buras burbs burds burgs burls burns burps burrs Letter on position 5 (s) changed: 2 words burka burke