As far as I can tell, the Madoka Runes are just random letters. Of course, I may be wrong, considering that I had to crane my beck and the whole thing may probably be spelt backwards, if there are actual words.
For some reason she came to school just as usual.Kick.You were right, Madoka. I have to think more about this body of mine.Okay!Sayaka-chan...The day after Sayaka lost her temper over the zombie issue.Sorry about yesterday, Madoka!Sayaka-chan...So... after school ends... let's go back together!I wasn't myself. I realized that after I calmed down.