Declension table of ?vasāna

Masculine	Singular	Dual	Plural
Nominative	vasānaḥ	vasānau	vasānāḥ
Vocative	vasāna	vasānau	vasānāḥ
Accusative	vasānam	vasānau	vasānān
Instrumental	vasānena	vasānābhyām	vasānaiḥ vasānebhiḥ
Dative	vasānāya	vasānābhyām	vasānebhyaḥ
Ablative	vasānāt	vasānābhyām	vasānebhyaḥ
Genitive	vasānasya	vasānayoḥ	vasānānām
Locative	vasāne	vasānayoḥ	vasāneṣu

Compound vasāna -

Adverb -vasānam -vasānāt