Declension table of ?sarvahāsya

Neuter	Singular	Dual	Plural
Nominative	sarvahāsyam	sarvahāsye	sarvahāsyāni
Vocative	sarvahāsya	sarvahāsye	sarvahāsyāni
Accusative	sarvahāsyam	sarvahāsye	sarvahāsyāni
Instrumental	sarvahāsyena	sarvahāsyābhyām	sarvahāsyaiḥ
Dative	sarvahāsyāya	sarvahāsyābhyām	sarvahāsyebhyaḥ
Ablative	sarvahāsyāt	sarvahāsyābhyām	sarvahāsyebhyaḥ
Genitive	sarvahāsyasya	sarvahāsyayoḥ	sarvahāsyānām
Locative	sarvahāsye	sarvahāsyayoḥ	sarvahāsyeṣu

Compound sarvahāsya -

Adverb -sarvahāsyam -sarvahāsyāt