Declension table of ?suyavasyu

Masculine	Singular	Dual	Plural
Nominative	suyavasyuḥ	suyavasyū	suyavasyavaḥ
Vocative	suyavasyo	suyavasyū	suyavasyavaḥ
Accusative	suyavasyum	suyavasyū	suyavasyūn
Instrumental	suyavasyunā	suyavasyubhyām	suyavasyubhiḥ
Dative	suyavasyave	suyavasyubhyām	suyavasyubhyaḥ
Ablative	suyavasyoḥ	suyavasyubhyām	suyavasyubhyaḥ
Genitive	suyavasyoḥ	suyavasyvoḥ	suyavasyūnām
Locative	suyavasyau	suyavasyvoḥ	suyavasyuṣu

Compound suyavasyu -

Adverb -suyavasyu