Declension table of ?suyavasyu

Neuter	Singular	Dual	Plural
Nominative	suyavasyu	suyavasyunī	suyavasyūni
Vocative	suyavasyu	suyavasyunī	suyavasyūni
Accusative	suyavasyu	suyavasyunī	suyavasyūni
Instrumental	suyavasyunā	suyavasyubhyām	suyavasyubhiḥ
Dative	suyavasyune	suyavasyubhyām	suyavasyubhyaḥ
Ablative	suyavasyunaḥ	suyavasyubhyām	suyavasyubhyaḥ
Genitive	suyavasyunaḥ	suyavasyunoḥ	suyavasyūnām
Locative	suyavasyuni	suyavasyunoḥ	suyavasyuṣu

Compound suyavasyu -

Adverb -suyavasyu