Declension table of ?yauvanasukha

Neuter	Singular	Dual	Plural
Nominative	yauvanasukham	yauvanasukhe	yauvanasukhāni
Vocative	yauvanasukha	yauvanasukhe	yauvanasukhāni
Accusative	yauvanasukham	yauvanasukhe	yauvanasukhāni
Instrumental	yauvanasukhena	yauvanasukhābhyām	yauvanasukhaiḥ
Dative	yauvanasukhāya	yauvanasukhābhyām	yauvanasukhebhyaḥ
Ablative	yauvanasukhāt	yauvanasukhābhyām	yauvanasukhebhyaḥ
Genitive	yauvanasukhasya	yauvanasukhayoḥ	yauvanasukhānām
Locative	yauvanasukhe	yauvanasukhayoḥ	yauvanasukheṣu

Compound yauvanasukha -

Adverb -yauvanasukham -yauvanasukhāt