Declension table of ?ṣāṇmāsya

Neuter	Singular	Dual	Plural
Nominative	ṣāṇmāsyam	ṣāṇmāsye	ṣāṇmāsyāni
Vocative	ṣāṇmāsya	ṣāṇmāsye	ṣāṇmāsyāni
Accusative	ṣāṇmāsyam	ṣāṇmāsye	ṣāṇmāsyāni
Instrumental	ṣāṇmāsyena	ṣāṇmāsyābhyām	ṣāṇmāsyaiḥ
Dative	ṣāṇmāsyāya	ṣāṇmāsyābhyām	ṣāṇmāsyebhyaḥ
Ablative	ṣāṇmāsyāt	ṣāṇmāsyābhyām	ṣāṇmāsyebhyaḥ
Genitive	ṣāṇmāsyasya	ṣāṇmāsyayoḥ	ṣāṇmāsyānām
Locative	ṣāṇmāsye	ṣāṇmāsyayoḥ	ṣāṇmāsyeṣu

Compound ṣāṇmāsya -

Adverb -ṣāṇmāsyam -ṣāṇmāsyāt