Hi,
I'll pass on the bannana but will take any handy carrots
Super stripe is yellowbelly + spector so you are looking at a triple codom when you add in the pastel - with the added complication that superstripes are a bit wierd.
http://www.worldofballpythons.com/morphs/super-striper/
So whatever combo you breed it will need all three genes in it.
dr del