Declension table of ?yu

Neuter	Singular	Dual	Plural
Nominative	yu	yunī	yūni
Vocative	yu	yunī	yūni
Accusative	yu	yunī	yūni
Instrumental	yunā	yubhyām	yubhiḥ
Dative	yune	yubhyām	yubhyaḥ
Ablative	yunaḥ	yubhyām	yubhyaḥ
Genitive	yunaḥ	yunoḥ	yūnām
Locative	yuni	yunoḥ	yuṣu

Compound yu -

Adverb -yu