Declension table of ?vayamāna

Neuter	Singular	Dual	Plural
Nominative	vayamānam	vayamāne	vayamānāni
Vocative	vayamāna	vayamāne	vayamānāni
Accusative	vayamānam	vayamāne	vayamānāni
Instrumental	vayamānena	vayamānābhyām	vayamānaiḥ
Dative	vayamānāya	vayamānābhyām	vayamānebhyaḥ
Ablative	vayamānāt	vayamānābhyām	vayamānebhyaḥ
Genitive	vayamānasya	vayamānayoḥ	vayamānānām
Locative	vayamāne	vayamānayoḥ	vayamāneṣu

Compound vayamāna -

Adverb -vayamānam -vayamānāt