Declension table of ?dattādatta

Neuter	Singular	Dual	Plural
Nominative	dattādattam	dattādatte	dattādattāni
Vocative	dattādatta	dattādatte	dattādattāni
Accusative	dattādattam	dattādatte	dattādattāni
Instrumental	dattādattena	dattādattābhyām	dattādattaiḥ
Dative	dattādattāya	dattādattābhyām	dattādattebhyaḥ
Ablative	dattādattāt	dattādattābhyām	dattādattebhyaḥ
Genitive	dattādattasya	dattādattayoḥ	dattādattānām
Locative	dattādatte	dattādattayoḥ	dattādatteṣu

Compound dattādatta -

Adverb -dattādattam -dattādattāt