Declension table of ?dvivista

Neuter	Singular	Dual	Plural
Nominative	dvivistam	dviviste	dvivistāni
Vocative	dvivista	dviviste	dvivistāni
Accusative	dvivistam	dviviste	dvivistāni
Instrumental	dvivistena	dvivistābhyām	dvivistaiḥ
Dative	dvivistāya	dvivistābhyām	dvivistebhyaḥ
Ablative	dvivistāt	dvivistābhyām	dvivistebhyaḥ
Genitive	dvivistasya	dvivistayoḥ	dvivistānām
Locative	dviviste	dvivistayoḥ	dvivisteṣu

Compound dvivista -

Adverb -dvivistam -dvivistāt