Corn snake genetics are pretty simple for the most part. Almost always, these are the rules you need to know:
If you breed two snakes with the same trait, that trait will show through with their babies. So two amels would have amel babies.
If one shows the trait (is homozygous) and one doesn't but carries the trait (is heterozygous), then 50% of the babies will keep the trait and the other 50% will bet het for it.
If both parents are het for a common trait, 25% will show the trait, 50% will carry but not show and 25% will not carry it at all.
If you're not looking for new snakes to breed these with, you (usually) want to try to pair them up so they have the most traits in common. So you need to ignore the trade names and look at their traits. For example:
Pewter = Charcoal + Diffused
Blizzard = Amel + Charcoal
These two only have one trait in common. Breeding them together will give Charcoals, het for amel and diffused. Or on corn calc:
Male: Pewter ( Charcoal, Diffused )
Female: Blizzard ( Amel, Charcoal )
Phenotype: 100.0% Charcoal het Amel, Diffused
Genotype: 100.0% Charcoal het Amel, Diffused
You can do this for several combinations and see what you are expected to get. These are only probabilities though, it won't be exact.
So you might start with your list in an easier to read format, then add in their traits to eyeball what good matches will be. Then you can confirm on corncalc.
pewter
lav ghost
amel het motley diffused
anery het motley diffused
butter het motley
coral
hypo
blizzard
butter het motley
snow het motley
amel het lavender
