Declension table of ?ṣaṣṭhin

Masculine	Singular	Dual	Plural
Nominative	ṣaṣṭhī	ṣaṣṭhinau	ṣaṣṭhinaḥ
Vocative	ṣaṣṭhin	ṣaṣṭhinau	ṣaṣṭhinaḥ
Accusative	ṣaṣṭhinam	ṣaṣṭhinau	ṣaṣṭhinaḥ
Instrumental	ṣaṣṭhinā	ṣaṣṭhibhyām	ṣaṣṭhibhiḥ
Dative	ṣaṣṭhine	ṣaṣṭhibhyām	ṣaṣṭhibhyaḥ
Ablative	ṣaṣṭhinaḥ	ṣaṣṭhibhyām	ṣaṣṭhibhyaḥ
Genitive	ṣaṣṭhinaḥ	ṣaṣṭhinoḥ	ṣaṣṭhinām
Locative	ṣaṣṭhini	ṣaṣṭhinoḥ	ṣaṣṭhiṣu

Compound ṣaṣṭhi -

Adverb -ṣaṣṭhi