--- In [log in to unmask], Andreas Johansson <andjo@F...> wrote:
> Quoting "Pascal A. Kramm" <pkramm@A...>:

> While 'ai' is rarish in MHG, it's a diphthong in every instance I
can think of.
> Any counterexamples?

Kokain...  but then, Protein isn't one either.

Anyway, the point is that /aI/ is a phonemic diphthong in
German, whatever you like to spell it.  Since S9 is not
German, its spelling can afford to deviate from the
tradition.  As for /oI/, there seems to be a /uI/ diphthong
in its place now.

-- Christian Thalmann