Declension table of ?tvayata

Neuter	Singular	Dual	Plural
Nominative	tvayatam	tvayate	tvayatāni
Vocative	tvayata	tvayate	tvayatāni
Accusative	tvayatam	tvayate	tvayatāni
Instrumental	tvayatena	tvayatābhyām	tvayataiḥ
Dative	tvayatāya	tvayatābhyām	tvayatebhyaḥ
Ablative	tvayatāt	tvayatābhyām	tvayatebhyaḥ
Genitive	tvayatasya	tvayatayoḥ	tvayatānām
Locative	tvayate	tvayatayoḥ	tvayateṣu

Compound tvayata -

Adverb -tvayatam -tvayatāt