Pāṇini sūtras

The semi-vowel substitution does not take place in the case of stems ending in bhū or the word sudhī, before affixes beginning with a vowel.

German Für das ū in bhū wird nicht v, und für das ī von sudhī nicht y substituirt. (85)

1. naन

   Part	Lexeme	Sandhi form	Meaning	Stem
   nन्	naन	naन	not	naन

2. bhū+sudhiyoḥभू+सुधियोः

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   bब्	bhūभू	bhūभू	bhū [word]भू [wओर्द्]	bhभ् + plus ūऊ
   sस्	sudhīसुधी	sudhiyoḥसुधियोः	sudhī [word]सुधी [wओर्द्]	sudhसुध् + plus iyoḥइयोः

Anuvṛtti

1. bhātभात् 6·4·22

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   bब्	bhaभ	bhātभात्	bhaभ	bhभ् + plus ātआत्

2. a+ciअ+चि 6·4·77

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   aअ	aअ	aअ		aअ
   cच्	cच्	ciचि	CC	cच् + plus iइ

3. ya+ṇय+ण् 6·4·81

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   yय्	yaय	yaय	yakāraयकार	yय् + plus aअ
   ṇण्	ṇण्	ṇण्	NaNअ	ṇण्

4. a+saṃyoga+pūrvasyaअ+संयोग+पूर्वस्य 6·4·82

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   aअ	aअ	aअ	not	aअ
   sस्	saṃyogaसंयोग	saṃyogaसंयोग	saṃyogaसंयोग	saṃyogसंयोग् + plus aअ
   pप्	pūrvaपूर्व	pūrvasyaपूर्वस्य	antecedent	pūrvaपूर्व + plus syaस्य

5. supiसुपि 6·4·83

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   sस्	supसुप्	supiसुपि	case ending	supसुप् + plus iइ