Declension table of ?yavayu

Neuter	Singular	Dual	Plural
Nominative	yavayu	yavayunī	yavayūni
Vocative	yavayu	yavayunī	yavayūni
Accusative	yavayu	yavayunī	yavayūni
Instrumental	yavayunā	yavayubhyām	yavayubhiḥ
Dative	yavayune	yavayubhyām	yavayubhyaḥ
Ablative	yavayunaḥ	yavayubhyām	yavayubhyaḥ
Genitive	yavayunaḥ	yavayunoḥ	yavayūnām
Locative	yavayuni	yavayunoḥ	yavayuṣu

Compound yavayu -

Adverb -yavayu