Declension table of ?yeya

Masculine	Singular	Dual	Plural
Nominative	yeyaḥ	yeyau	yeyāḥ
Vocative	yeya	yeyau	yeyāḥ
Accusative	yeyam	yeyau	yeyān
Instrumental	yeyena	yeyābhyām	yeyaiḥ yeyebhiḥ
Dative	yeyāya	yeyābhyām	yeyebhyaḥ
Ablative	yeyāt	yeyābhyām	yeyebhyaḥ
Genitive	yeyasya	yeyayoḥ	yeyānām
Locative	yeye	yeyayoḥ	yeyeṣu

Compound yeya -

Adverb -yeyam -yeyāt