Mesardres aimam –pie [ˈpiɐ] è –pioma [piˈoma].
It has /i/ in both cases: –pie [ˈpiɐ] and –pioma [piˈoma].

Aradnetantavelh dó vis maveunu syet pyazi "dar maraimatz", is tòr ai [pʲ].
But the origin is ancient Mavenian pyazi "to rot, to cause decay", which has [pʲ].