Declension table of ?treya

Masculine	Singular	Dual	Plural
Nominative	treyaḥ	treyau	treyāḥ
Vocative	treya	treyau	treyāḥ
Accusative	treyam	treyau	treyān
Instrumental	treyeṇa	treyābhyām	treyaiḥ treyebhiḥ
Dative	treyāya	treyābhyām	treyebhyaḥ
Ablative	treyāt	treyābhyām	treyebhyaḥ
Genitive	treyasya	treyayoḥ	treyāṇām
Locative	treye	treyayoḥ	treyeṣu

Compound treya -

Adverb -treyam -treyāt