Declension table of ?durudarka

Neuter	Singular	Dual	Plural
Nominative	durudarkam	durudarke	durudarkāṇi
Vocative	durudarka	durudarke	durudarkāṇi
Accusative	durudarkam	durudarke	durudarkāṇi
Instrumental	durudarkeṇa	durudarkābhyām	durudarkaiḥ
Dative	durudarkāya	durudarkābhyām	durudarkebhyaḥ
Ablative	durudarkāt	durudarkābhyām	durudarkebhyaḥ
Genitive	durudarkasya	durudarkayoḥ	durudarkāṇām
Locative	durudarke	durudarkayoḥ	durudarkeṣu

Compound durudarka -

Adverb -durudarkam -durudarkāt