Pāṇini sūtras

After the verb ram to sport, preceded by vi and âṅ, parasmaipada is used.

German Auch an ram (ist anudāttet) nach vi, ā und pari. (83)

1. vi+āṅ+paribhyaḥवि+आङ्+परिभ्यः

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   vव्	viवि	viवि	viवि	vव् + plus iइ
   āआ	āṅआङ्	āṅआङ्	āआ	āṅआङ्
   pप्	pariपरि	paribhyaḥपरिभ्यः	pariपरि	parपर् + plus ibhyãइभ्य̃

2. ramaḥरमः

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   rर्	ramरम्	ramaḥरमः	ramरम्	ramरम् + plus aḥअः

Anuvṛtti

1. parasmaipadamपरस्मैपदम् 1·3·78

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   pप्	parasmaipadaपरस्मैपद	parasmaipadamपरस्मैपदम्	active voice	parasmaipadपरस्मैपद् + plus amअम्