Declension table of ?avyasana

Masculine	Singular	Dual	Plural
Nominative	avyasanaḥ	avyasanau	avyasanāḥ
Vocative	avyasana	avyasanau	avyasanāḥ
Accusative	avyasanam	avyasanau	avyasanān
Instrumental	avyasanena	avyasanābhyām	avyasanaiḥ avyasanebhiḥ
Dative	avyasanāya	avyasanābhyām	avyasanebhyaḥ
Ablative	avyasanāt	avyasanābhyām	avyasanebhyaḥ
Genitive	avyasanasya	avyasanayoḥ	avyasanānām
Locative	avyasane	avyasanayoḥ	avyasaneṣu

Compound avyasana -

Adverb -avyasanam -avyasanāt