Declension table of ?haṃsayuvan

Masculine	Singular	Dual	Plural
Nominative	haṃsayuvā	haṃsayuvānau	haṃsayuvānaḥ
Vocative	haṃsayuvan	haṃsayuvānau	haṃsayuvānaḥ
Accusative	haṃsayuvānam	haṃsayuvānau	haṃsayuvnaḥ
Instrumental	haṃsayuvnā	haṃsayuvabhyām	haṃsayuvabhiḥ
Dative	haṃsayuvne	haṃsayuvabhyām	haṃsayuvabhyaḥ
Ablative	haṃsayuvnaḥ	haṃsayuvabhyām	haṃsayuvabhyaḥ
Genitive	haṃsayuvnaḥ	haṃsayuvnoḥ	haṃsayuvnām
Locative	haṃsayuvni haṃsayuvani	haṃsayuvnoḥ	haṃsayuvasu

Compound haṃsayuva -

Adverb -haṃsayuvam