Declension table of sustha

Neuter	Singular	Dual	Plural
Nominative	sustham	susthe	susthāni
Vocative	sustha	susthe	susthāni
Accusative	sustham	susthe	susthāni
Instrumental	susthena	susthābhyām	susthaiḥ
Dative	susthāya	susthābhyām	susthebhyaḥ
Ablative	susthāt	susthābhyām	susthebhyaḥ
Genitive	susthasya	susthayoḥ	susthānām
Locative	susthe	susthayoḥ	sustheṣu

Compound sustha -

Adverb -sustham -susthāt