Declension table of vyasana

Neuter	Singular	Dual	Plural
Nominative	vyasanam	vyasane	vyasanāni
Vocative	vyasana	vyasane	vyasanāni
Accusative	vyasanam	vyasane	vyasanāni
Instrumental	vyasanena	vyasanābhyām	vyasanaiḥ
Dative	vyasanāya	vyasanābhyām	vyasanebhyaḥ
Ablative	vyasanāt	vyasanābhyām	vyasanebhyaḥ
Genitive	vyasanasya	vyasanayoḥ	vyasanānām
Locative	vyasane	vyasanayoḥ	vyasaneṣu

Compound vyasana -

Adverb -vyasanam -vyasanāt