Declension table of ?vidāyya

Masculine	Singular	Dual	Plural
Nominative	vidāyyaḥ	vidāyyau	vidāyyāḥ
Vocative	vidāyya	vidāyyau	vidāyyāḥ
Accusative	vidāyyam	vidāyyau	vidāyyān
Instrumental	vidāyyena	vidāyyābhyām	vidāyyaiḥ vidāyyebhiḥ
Dative	vidāyyāya	vidāyyābhyām	vidāyyebhyaḥ
Ablative	vidāyyāt	vidāyyābhyām	vidāyyebhyaḥ
Genitive	vidāyyasya	vidāyyayoḥ	vidāyyānām
Locative	vidāyye	vidāyyayoḥ	vidāyyeṣu

Compound vidāyya -

Adverb -vidāyyam -vidāyyāt