Declension table of ?śasa

Neuter	Singular	Dual	Plural
Nominative	śasam	śase	śasāni
Vocative	śasa	śase	śasāni
Accusative	śasam	śase	śasāni
Instrumental	śasena	śasābhyām	śasaiḥ
Dative	śasāya	śasābhyām	śasebhyaḥ
Ablative	śasāt	śasābhyām	śasebhyaḥ
Genitive	śasasya	śasayoḥ	śasānām
Locative	śase	śasayoḥ	śaseṣu

Compound śasa -

Adverb -śasam -śasāt