Declension table of didyu

Masculine	Singular	Dual	Plural
Nominative	didyuḥ	didyū	didyavaḥ
Vocative	didyo	didyū	didyavaḥ
Accusative	didyum	didyū	didyūn
Instrumental	didyunā	didyubhyām	didyubhiḥ
Dative	didyave	didyubhyām	didyubhyaḥ
Ablative	didyoḥ	didyubhyām	didyubhyaḥ
Genitive	didyoḥ	didyvoḥ	didyūnām
Locative	didyau	didyvoḥ	didyuṣu

Compound didyu -

Adverb -didyu