Declension table of ?yuvāna

Masculine	Singular	Dual	Plural
Nominative	yuvānaḥ	yuvānau	yuvānāḥ
Vocative	yuvāna	yuvānau	yuvānāḥ
Accusative	yuvānam	yuvānau	yuvānān
Instrumental	yuvānena	yuvānābhyām	yuvānaiḥ yuvānebhiḥ
Dative	yuvānāya	yuvānābhyām	yuvānebhyaḥ
Ablative	yuvānāt	yuvānābhyām	yuvānebhyaḥ
Genitive	yuvānasya	yuvānayoḥ	yuvānānām
Locative	yuvāne	yuvānayoḥ	yuvāneṣu

Compound yuvāna -

Adverb -yuvānam -yuvānāt