Declension table of ?sarvastoma

Neuter	Singular	Dual	Plural
Nominative	sarvastomam	sarvastome	sarvastomāni
Vocative	sarvastoma	sarvastome	sarvastomāni
Accusative	sarvastomam	sarvastome	sarvastomāni
Instrumental	sarvastomena	sarvastomābhyām	sarvastomaiḥ
Dative	sarvastomāya	sarvastomābhyām	sarvastomebhyaḥ
Ablative	sarvastomāt	sarvastomābhyām	sarvastomebhyaḥ
Genitive	sarvastomasya	sarvastomayoḥ	sarvastomānām
Locative	sarvastome	sarvastomayoḥ	sarvastomeṣu

Compound sarvastoma -

Adverb -sarvastomam -sarvastomāt