Pāṇini sūtras

Before an iṭ-beginning s-Aorist of the Parasmaipada, there is optional Vṛiddhi of the vowel of ūrṇu

1. ūrṇoteḥऊर्णोतेः

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   ūऊ	ūrṇotiऊर्णोति	ūrṇoteḥऊर्णोतेः	ūrṇuऊर्णु	ūrṇotऊर्णोत् + plus eḥएः

2. vibhāṣāविभाषा

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   vव्	vibhāṣविभाष्	vibhāṣāविभाषा	option	vibhāṣविभाष् + plus āआ

Anuvṛtti

1. parasmaipadeṣuपरस्मैपदेषु 7·2·1

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   pप्	parasmaipadaपरस्मैपद	parasmaipadeṣuपरस्मैपदेषु	active voice	parasmaipadपरस्मैपद् + plus eṣuएषु

2. na+iṭiन+इटि 7·2·4

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   nन्	naन	naन	not	naन
   iइ	iṭइट्	iṭiइटि	iṭइट्	iṭइट् + plus iइ