Declension table of ?ṣu

Masculine	Singular	Dual	Plural
Nominative	ṣuḥ	ṣū	ṣavaḥ
Vocative	ṣo	ṣū	ṣavaḥ
Accusative	ṣum	ṣū	ṣūn
Instrumental	ṣuṇā	ṣubhyām	ṣubhiḥ
Dative	ṣave	ṣubhyām	ṣubhyaḥ
Ablative	ṣoḥ	ṣubhyām	ṣubhyaḥ
Genitive	ṣoḥ	ṣvoḥ	ṣūṇām
Locative	ṣau	ṣvoḥ	ṣuṣu

Compound ṣu -

Adverb -ṣu