Declension table of ?dviranugāna

Neuter	Singular	Dual	Plural
Nominative	dviranugānam	dviranugāne	dviranugānāni
Vocative	dviranugāna	dviranugāne	dviranugānāni
Accusative	dviranugānam	dviranugāne	dviranugānāni
Instrumental	dviranugānena	dviranugānābhyām	dviranugānaiḥ
Dative	dviranugānāya	dviranugānābhyām	dviranugānebhyaḥ
Ablative	dviranugānāt	dviranugānābhyām	dviranugānebhyaḥ
Genitive	dviranugānasya	dviranugānayoḥ	dviranugānānām
Locative	dviranugāne	dviranugānayoḥ	dviranugāneṣu

Compound dviranugāna -

Adverb -dviranugānam -dviranugānāt