But it does make me wonder if Lucasfilm actually has some psuedo-vocabulary they use for simple Huttese when writing alien dialogue for the actors/voice actors to speak, and the variations are just due actors pronouncing words slightly different or loose translations.
Ben Burtt invented Huttese for Return of the Jedi. He published a book with common phrases in a number of Star Wars languages years ago. So yes, Huttese has always been consistent.
I have this book somewhere. Brings back many memories. Haha