Letter on position 1 (b) changed: 8 words cusses fusses husses musses pusses susses tusses wusses Letter on position 2 (u) changed: 2 words basses bosses Letter on position 3 (s) changed: 2 words bulses burses Letter on position 4 (s) changed: 2 words bushes busies Letter on position 5 (e) changed: 1 word bussus Letter on position 6 (s) changed: 1 word bussed