Declension table of ?treya

Neuter	Singular	Dual	Plural
Nominative	treyam	treye	treyāṇi
Vocative	treya	treye	treyāṇi
Accusative	treyam	treye	treyāṇi
Instrumental	treyeṇa	treyābhyām	treyaiḥ
Dative	treyāya	treyābhyām	treyebhyaḥ
Ablative	treyāt	treyābhyām	treyebhyaḥ
Genitive	treyasya	treyayoḥ	treyāṇām
Locative	treye	treyayoḥ	treyeṣu

Compound treya -

Adverb -treyam -treyāt