Declension table of ?dūyamāna

Masculine	Singular	Dual	Plural
Nominative	dūyamānaḥ	dūyamānau	dūyamānāḥ
Vocative	dūyamāna	dūyamānau	dūyamānāḥ
Accusative	dūyamānam	dūyamānau	dūyamānān
Instrumental	dūyamānena	dūyamānābhyām	dūyamānaiḥ dūyamānebhiḥ
Dative	dūyamānāya	dūyamānābhyām	dūyamānebhyaḥ
Ablative	dūyamānāt	dūyamānābhyām	dūyamānebhyaḥ
Genitive	dūyamānasya	dūyamānayoḥ	dūyamānānām
Locative	dūyamāne	dūyamānayoḥ	dūyamāneṣu

Compound dūyamāna -

Adverb -dūyamānam -dūyamānāt