Declension table of ?saśasya

Masculine	Singular	Dual	Plural
Nominative	saśasyaḥ	saśasyau	saśasyāḥ
Vocative	saśasya	saśasyau	saśasyāḥ
Accusative	saśasyam	saśasyau	saśasyān
Instrumental	saśasyena	saśasyābhyām	saśasyaiḥ saśasyebhiḥ
Dative	saśasyāya	saśasyābhyām	saśasyebhyaḥ
Ablative	saśasyāt	saśasyābhyām	saśasyebhyaḥ
Genitive	saśasyasya	saśasyayoḥ	saśasyānām
Locative	saśasye	saśasyayoḥ	saśasyeṣu

Compound saśasya -

Adverb -saśasyam -saśasyāt