Declension table of ?śasti

Feminine	Singular	Dual	Plural
Nominative	śastiḥ	śastī	śastayaḥ
Vocative	śaste	śastī	śastayaḥ
Accusative	śastim	śastī	śastīḥ
Instrumental	śastyā	śastibhyām	śastibhiḥ
Dative	śastyai śastaye	śastibhyām	śastibhyaḥ
Ablative	śastyāḥ śasteḥ	śastibhyām	śastibhyaḥ
Genitive	śastyāḥ śasteḥ	śastyoḥ	śastīnām
Locative	śastyām śastau	śastyoḥ	śastiṣu

Compound śasti -

Adverb -śasti