I think i got this right im not 100% sure but,
If i Breed

Pastel X Spider

Ill Get

Pastels
Spiders
Bees
Normals

Then breed
Cinnamon X Mojo

Ill Get

Cinnamon
Mojo
Savannah
Normal

Then if i breed

Savannah X Bumblebee

Ill Get

Pastel
Spider
Mojo
Cinnamon
Normal
Pastave
SpiderMojo
Pewter
Cinnabee

i think this is right because i cant get Bees or Savannahs again due to the fact that only one of the mutation will come out of the combo not both right idk im a lil confused but excited if this is all bueno