Declension table of ?siṣāsu

Masculine	Singular	Dual	Plural
Nominative	siṣāsuḥ	siṣāsū	siṣāsavaḥ
Vocative	siṣāso	siṣāsū	siṣāsavaḥ
Accusative	siṣāsum	siṣāsū	siṣāsūn
Instrumental	siṣāsunā	siṣāsubhyām	siṣāsubhiḥ
Dative	siṣāsave	siṣāsubhyām	siṣāsubhyaḥ
Ablative	siṣāsoḥ	siṣāsubhyām	siṣāsubhyaḥ
Genitive	siṣāsoḥ	siṣāsvoḥ	siṣāsūnām
Locative	siṣāsau	siṣāsvoḥ	siṣāsuṣu

Compound siṣāsu -

Adverb -siṣāsu