Declension table of ?vyāyya

Neuter	Singular	Dual	Plural
Nominative	vyāyyam	vyāyye	vyāyyāni
Vocative	vyāyya	vyāyye	vyāyyāni
Accusative	vyāyyam	vyāyye	vyāyyāni
Instrumental	vyāyyena	vyāyyābhyām	vyāyyaiḥ
Dative	vyāyyāya	vyāyyābhyām	vyāyyebhyaḥ
Ablative	vyāyyāt	vyāyyābhyām	vyāyyebhyaḥ
Genitive	vyāyyasya	vyāyyayoḥ	vyāyyānām
Locative	vyāyye	vyāyyayoḥ	vyāyyeṣu

Compound vyāyya -

Adverb -vyāyyam -vyāyyāt