Declension table of ?sāmmanasya

Neuter	Singular	Dual	Plural
Nominative	sāmmanasyam	sāmmanasye	sāmmanasyāni
Vocative	sāmmanasya	sāmmanasye	sāmmanasyāni
Accusative	sāmmanasyam	sāmmanasye	sāmmanasyāni
Instrumental	sāmmanasyena	sāmmanasyābhyām	sāmmanasyaiḥ
Dative	sāmmanasyāya	sāmmanasyābhyām	sāmmanasyebhyaḥ
Ablative	sāmmanasyāt	sāmmanasyābhyām	sāmmanasyebhyaḥ
Genitive	sāmmanasyasya	sāmmanasyayoḥ	sāmmanasyānām
Locative	sāmmanasye	sāmmanasyayoḥ	sāmmanasyeṣu

Compound sāmmanasya -

Adverb -sāmmanasyam -sāmmanasyāt