Experiment: how would you transliterate the following glyphs?

[Koen G]

Could these be examples of a three-stroke variant?

Just before you posted this, I was looking at an excerpt from Derolez' "The Palaeography of Gothic Manuscript Books", which Marco recommended to me once. It says the following about "d":

   

I'm not sure yet if any of this is relevant to us, but the mention of a constructed three-stroke ductus rung familiar. Unfortunately I don't have the pages about numerals, if those are discussed at all.

Apart from that, it does look like two strokes (bottom left 'c' first) would have been a common procedure.