Declension table of ?yoyupana

Neuter	Singular	Dual	Plural
Nominative	yoyupanam	yoyupane	yoyupanāni
Vocative	yoyupana	yoyupane	yoyupanāni
Accusative	yoyupanam	yoyupane	yoyupanāni
Instrumental	yoyupanena	yoyupanābhyām	yoyupanaiḥ
Dative	yoyupanāya	yoyupanābhyām	yoyupanebhyaḥ
Ablative	yoyupanāt	yoyupanābhyām	yoyupanebhyaḥ
Genitive	yoyupanasya	yoyupanayoḥ	yoyupanānām
Locative	yoyupane	yoyupanayoḥ	yoyupaneṣu

Compound yoyupana -

Adverb -yoyupanam -yoyupanāt