Why and how the text could be Bavarian

[ReneZ]

In order to explain the word structure in the Voynich MS text, you need to rely on such major changes to a source text, that the differences between German, Bavarian, and in fact other European source languages fade in comparison.
The low conditional entropy (or the bigram entropy) of the Voynich text is a consequence of this word structure, and it is far too anomalous to be explained by small things like swapping characters or removing distinctions between p and b (and a few more).