Declension table of ?dvidiva

Neuter	Singular	Dual	Plural
Nominative	dvidivam	dvidive	dvidivāni
Vocative	dvidiva	dvidive	dvidivāni
Accusative	dvidivam	dvidive	dvidivāni
Instrumental	dvidivena	dvidivābhyām	dvidivaiḥ
Dative	dvidivāya	dvidivābhyām	dvidivebhyaḥ
Ablative	dvidivāt	dvidivābhyām	dvidivebhyaḥ
Genitive	dvidivasya	dvidivayoḥ	dvidivānām
Locative	dvidive	dvidivayoḥ	dvidiveṣu

Compound dvidiva -

Adverb -dvidivam -dvidivāt