Declension table of ?sasvana

Masculine	Singular	Dual	Plural
Nominative	sasvanaḥ	sasvanau	sasvanāḥ
Vocative	sasvana	sasvanau	sasvanāḥ
Accusative	sasvanam	sasvanau	sasvanān
Instrumental	sasvanena	sasvanābhyām	sasvanaiḥ sasvanebhiḥ
Dative	sasvanāya	sasvanābhyām	sasvanebhyaḥ
Ablative	sasvanāt	sasvanābhyām	sasvanebhyaḥ
Genitive	sasvanasya	sasvanayoḥ	sasvanānām
Locative	sasvane	sasvanayoḥ	sasvaneṣu

Compound sasvana -

Adverb -sasvanam -sasvanāt