Pāṇini sūtras

In forming the feminine with the affix ṅīp, au is optionally the substitute of the final of manu, (as well as the udâtta ai)

1. manoḥमनोः

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   mम्	manuमनु	manoḥमनोः	manu [word]	manमन् + plus oḥओः

2. auऔ

   Part	Lexeme	Sandhi form	Meaning	Stem
   aअ	auऔ	auऔ	auऔ	auऔ

3. vāवा

   Part	Lexeme	Sandhi form	Meaning	Stem
   vव्	vāवा	vāवा	optionally	vāवा

Anuvṛtti

1. striyāmस्त्रियाम् 4·1·3

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   sस्	strīस्त्री	striyāmस्त्रियाम्	feminine	strस्त्र् + plus iyāmइयाम्

2. an+upasarjanātअन्+उपसर्जनात् 4·1·14

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   aअ	naन	anअन्	not	naन
   uउ	upasarjanaउपसर्जन	upasarjanātउपसर्जनात्	upasarjanaउपसर्जन	upasarjanउपसर्जन् + plus ātआत्

3. ṅīpङीप् 4·1·26

   Part	Lexeme	Sandhi form	Meaning	Stem
   ṅङ्	ṅīpङीप्	ṅīpङीप्	ṅīpङीप्	ṅīpङीप्

4. aiऐ 4·1·36

   Part	Lexeme	Sandhi form	Meaning	Stem
   aअ	aiऐ	aiऐ	aikāraऐकार	aiऐ

5. udāttaḥउदात्तः 4·1·37

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   uउ	udāttaउदात्त	udāttaḥउदात्तः	udāttaउदात्त	udāttउदात्त् + plus aḥअः