Declension table of ?dureya

Masculine	Singular	Dual	Plural
Nominative	dureyaḥ	dureyau	dureyāḥ
Vocative	dureya	dureyau	dureyāḥ
Accusative	dureyam	dureyau	dureyān
Instrumental	dureyeṇa	dureyābhyām	dureyaiḥ dureyebhiḥ
Dative	dureyāya	dureyābhyām	dureyebhyaḥ
Ablative	dureyāt	dureyābhyām	dureyebhyaḥ
Genitive	dureyasya	dureyayoḥ	dureyāṇām
Locative	dureye	dureyayoḥ	dureyeṣu

Compound dureya -

Adverb -dureyam -dureyāt