Declension table of ?ṣaṣṭhīsamāsa

Masculine	Singular	Dual	Plural
Nominative	ṣaṣṭhīsamāsaḥ	ṣaṣṭhīsamāsau	ṣaṣṭhīsamāsāḥ
Vocative	ṣaṣṭhīsamāsa	ṣaṣṭhīsamāsau	ṣaṣṭhīsamāsāḥ
Accusative	ṣaṣṭhīsamāsam	ṣaṣṭhīsamāsau	ṣaṣṭhīsamāsān
Instrumental	ṣaṣṭhīsamāsena	ṣaṣṭhīsamāsābhyām	ṣaṣṭhīsamāsaiḥ ṣaṣṭhīsamāsebhiḥ
Dative	ṣaṣṭhīsamāsāya	ṣaṣṭhīsamāsābhyām	ṣaṣṭhīsamāsebhyaḥ
Ablative	ṣaṣṭhīsamāsāt	ṣaṣṭhīsamāsābhyām	ṣaṣṭhīsamāsebhyaḥ
Genitive	ṣaṣṭhīsamāsasya	ṣaṣṭhīsamāsayoḥ	ṣaṣṭhīsamāsānām
Locative	ṣaṣṭhīsamāse	ṣaṣṭhīsamāsayoḥ	ṣaṣṭhīsamāseṣu

Compound ṣaṣṭhīsamāsa -

Adverb -ṣaṣṭhīsamāsam -ṣaṣṭhīsamāsāt