Declension table of ?saya

Masculine	Singular	Dual	Plural
Nominative	sayaḥ	sayau	sayāḥ
Vocative	saya	sayau	sayāḥ
Accusative	sayam	sayau	sayān
Instrumental	sayena	sayābhyām	sayaiḥ sayebhiḥ
Dative	sayāya	sayābhyām	sayebhyaḥ
Ablative	sayāt	sayābhyām	sayebhyaḥ
Genitive	sayasya	sayayoḥ	sayānām
Locative	saye	sayayoḥ	sayeṣu

Compound saya -

Adverb -sayam -sayāt