Audio problem: When Rocco is testing the bomb in the morning in the cabin, when he says, "We're going to detonate it", his mouth isn't moving with the words. (00:50:35)
Audio problem: At the Academy Awards they show a clip for best picture for "Mother." During this clip, there is one character singing yet his/her mouth isn't moving. (01:00:30)
Audio problem: When the prisoner guard is being force fed with beans one of the prisoners stands behind him and says "Come on son, you can do it. Eat some beans." Then you see his lips continue to move but you can't hear him say anything. (00:36:35)
Audio problem: After the explosion test, Rocco does a Beavis and Butthead impression, however his mouth doesn't move.
Answer: According to the IMDB, the only scene cut out was an extended version of Norberg and Ed's visiting Dreben near the beginning of the film. So you can assume the rest of Simpson's scenes were left in.