D is reflected with R in the k-symmetry
In malai two is Rua, in maorit two is Dua (duo, два)

(R reflecting D)




















(R looking like D)

(R looking like D) and the next image made me pay attention to both signs in reverse being A (and that is A~D controversy)
And there's another interesting interpreation of those signs:

But that controversy is a part of the larger one:






















.