Declension table of ?suvyasta

Neuter	Singular	Dual	Plural
Nominative	suvyastam	suvyaste	suvyastāni
Vocative	suvyasta	suvyaste	suvyastāni
Accusative	suvyastam	suvyaste	suvyastāni
Instrumental	suvyastena	suvyastābhyām	suvyastaiḥ
Dative	suvyastāya	suvyastābhyām	suvyastebhyaḥ
Ablative	suvyastāt	suvyastābhyām	suvyastebhyaḥ
Genitive	suvyastasya	suvyastayoḥ	suvyastānām
Locative	suvyaste	suvyastayoḥ	suvyasteṣu

Compound suvyasta -

Adverb -suvyastam -suvyastāt