semivowels

[petegray]

> I doubt that krya or #rya occur.

I can't offer you krya or #rya-, but how about these for word internal
examples of -rya-?

The root ghr forms a causative in gha:ryate (alongside the more normal
gha:rayati).

The root gr/ja:gr "wake" forms ja:garyat.

The root gr "sing" forms the suffix -gi:rya.

The root kr "scatter" has an aorist ki:ryat, and a derived suffix -ki:rya.

The root kr "do" has ka:rya as a 'gerundive'.

You might also like to consider optatives in the parasmaipada, where -ya:-
is added to weak forms of the stem.

Peter