Declension table of ?siṣāsu

Neuter	Singular	Dual	Plural
Nominative	siṣāsu	siṣāsunī	siṣāsūni
Vocative	siṣāsu	siṣāsunī	siṣāsūni
Accusative	siṣāsu	siṣāsunī	siṣāsūni
Instrumental	siṣāsunā	siṣāsubhyām	siṣāsubhiḥ
Dative	siṣāsune	siṣāsubhyām	siṣāsubhyaḥ
Ablative	siṣāsunaḥ	siṣāsubhyām	siṣāsubhyaḥ
Genitive	siṣāsunaḥ	siṣāsunoḥ	siṣāsūnām
Locative	siṣāsuni	siṣāsunoḥ	siṣāsuṣu

Compound siṣāsu -

Adverb -siṣāsu