Not being a language expert, I wrote a little R script to analyse the same poem, written in different (Swiss) German dialects. Quite interesting to see the patterns of the frequency (blue less frequent to red more frequent) and the position of the corresponding letter in the word. It's a small but cool visualization, do you think so too? Let me know:

Here a small analysis of the the poem "Der Hosensack meines Buben", in English translated to "the pocket of my boy" in dialect from Basel and from the Canton of "Wallis", in the South of Switzerland. I mean, check out the letter "g" for example: