Pāṇini sūtras

The elision of ya of the Denominative stem (kya) is optional, when preceded by a consonant and followed by an ârdhadhâtuka affix.

German Nicht nothwendig in einem Denominativstamm auf -=ya. (50)

1. kyasyaक्यस्य

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   kक्	kyaक्य	kyasyaक्यस्य	denominative suffix	kyक्य् + plus asyaअस्य

2. vibhāṣāविभाषा

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

Anuvṛtti

1. bhātभात् 6·4·22

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

2. ārdhadhātukeआर्धधातुके 6·4·46

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   āआ	ārdhadhātuआर्धधातु	ārdhadhātukeआर्धधातुके	ārdhadhātukaआर्धधातुक	ārdhadhātukआर्धधातुक् + plus eए

3. lopaḥलोपः 6·4·48

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

4. ha+laḥह+लः 6·4·49

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   hह्	haह	haह	hakāraहकार	hह् + plus aअ
   lल्	lल्	laḥलः	LL	lल् + plus aḥअः