I think you would get more confused, no matter what you do.
The amelanistic component of the Blizzard appears to be a very rich red/orange color, much like you see on some Amelanistic Okeetees. So if you breed a Charcoal to something similar to a Candy Cane, you may not actually get what looks like a Blizzard.
I have bred Blizzard into Lavenders, Blood Reds and Butters, and the resulting Blizzards in the F2 generations are not anywhere near what you would expect. So even the Blizzard can be problematical to identify at times.
And as for breeding Charcoal to 'A' Anery, bear in mind that the original Charcoal was het for 'A' Anerythrism, so there is at least a chance that any given Charcoal may be het for 'A' Anerythrism as well. So the results you get in such a case may not clear much up at all.
I found out that my Charcoal Ghost project has 'A' Anerythrism in it, and if you want to see a confusing mess, well, boy do I have one for you there!
When it gets right down to it, we really don't know what the heck we are doing. Nearly everything is based on assumptions, which lately seem to be proving mostly false.