Declension table of ?sasta

Masculine	Singular	Dual	Plural
Nominative	sastaḥ	sastau	sastāḥ
Vocative	sasta	sastau	sastāḥ
Accusative	sastam	sastau	sastān
Instrumental	sastena	sastābhyām	sastaiḥ sastebhiḥ
Dative	sastāya	sastābhyām	sastebhyaḥ
Ablative	sastāt	sastābhyām	sastebhyaḥ
Genitive	sastasya	sastayoḥ	sastānām
Locative	saste	sastayoḥ	sasteṣu

Compound sasta -

Adverb -sastam -sastāt