Declension table of ?yuvamāna

Neuter	Singular	Dual	Plural
Nominative	yuvamānam	yuvamāne	yuvamānāni
Vocative	yuvamāna	yuvamāne	yuvamānāni
Accusative	yuvamānam	yuvamāne	yuvamānāni
Instrumental	yuvamānena	yuvamānābhyām	yuvamānaiḥ
Dative	yuvamānāya	yuvamānābhyām	yuvamānebhyaḥ
Ablative	yuvamānāt	yuvamānābhyām	yuvamānebhyaḥ
Genitive	yuvamānasya	yuvamānayoḥ	yuvamānānām
Locative	yuvamāne	yuvamānayoḥ	yuvamāneṣu

Compound yuvamāna -

Adverb -yuvamānam -yuvamānāt