Pāṇini sūtras

v and y (preceded by a or ā, at the end of a pada), and followed by u, when it is a word, are elided necessarily.

German Auch vor der Partikel u fallen sie ab. (21)

1. uñiउञि

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   uउ	uñउञ्	uñiउञि	u [particle]	uñउञ् + plus iइ

2. caच

   Part	Lexeme	Sandhi form	Meaning	Stem
   cच्	caच	caच	besides	caच

3. padeपदे

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   pप्	padaपद	padeपदे	word	padपद् + plus eए

Anuvṛtti

1. v+yoḥव्+योः 8·3·18

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   vव्	vव्	vव्	vakāraवकार	vव्
   yय्	yय्	yoḥयोः	yakāraयकार	yय् + plus oḥओः

2. lopaḥलोपः 8·3·19

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   lल्	lopaलोप	lopaḥलोपः	elision	lopलोप् + plus aḥअः

3. bho+bhago+agho+a+pūrvasyaभो+भगो+अघो+अ+पूर्वस्य 8·3·17

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   bब्	bhoभो	bhoभो	bho [word]	bhoभो
   bब्	bhagoभगो	bhagoभगो	bhago [word]	bhagoभगो
   aअ	aghoअघो	aghoअघो	agho [word]	aghoअघो
   aअ	aअ	aअ	akāraअकार	aअ
   pप्	pūrvaपूर्व	pūrvasyaपूर्वस्य	antecedent	pūrvaपूर्व + plus syaस्य