Declension table of ?vaiyasana

Neuter	Singular	Dual	Plural
Nominative	vaiyasanam	vaiyasane	vaiyasanāni
Vocative	vaiyasana	vaiyasane	vaiyasanāni
Accusative	vaiyasanam	vaiyasane	vaiyasanāni
Instrumental	vaiyasanena	vaiyasanābhyām	vaiyasanaiḥ
Dative	vaiyasanāya	vaiyasanābhyām	vaiyasanebhyaḥ
Ablative	vaiyasanāt	vaiyasanābhyām	vaiyasanebhyaḥ
Genitive	vaiyasanasya	vaiyasanayoḥ	vaiyasanānām
Locative	vaiyasane	vaiyasanayoḥ	vaiyasaneṣu

Compound vaiyasana -

Adverb -vaiyasanam -vaiyasanāt