Declension table of ?umbhya

Masculine	Singular	Dual	Plural
Nominative	umbhyaḥ	umbhyau	umbhyāḥ
Vocative	umbhya	umbhyau	umbhyāḥ
Accusative	umbhyam	umbhyau	umbhyān
Instrumental	umbhyena	umbhyābhyām	umbhyaiḥ umbhyebhiḥ
Dative	umbhyāya	umbhyābhyām	umbhyebhyaḥ
Ablative	umbhyāt	umbhyābhyām	umbhyebhyaḥ
Genitive	umbhyasya	umbhyayoḥ	umbhyānām
Locative	umbhye	umbhyayoḥ	umbhyeṣu

Compound umbhya -

Adverb -umbhyam -umbhyāt