Letter on position 1 (b) changed: 5 words duster juster luster muster ouster Letter on position 2 (u) changed: 2 words baster bister Letter on position 3 (s) changed: 2 words bunter butter Letter on position 4 (t) changed: 3 words busher busier busker Letter on position 6 (r) changed: 2 words busted bustee