Declension table of ?dhvanayitavya

Masculine	Singular	Dual	Plural
Nominative	dhvanayitavyaḥ	dhvanayitavyau	dhvanayitavyāḥ
Vocative	dhvanayitavya	dhvanayitavyau	dhvanayitavyāḥ
Accusative	dhvanayitavyam	dhvanayitavyau	dhvanayitavyān
Instrumental	dhvanayitavyena	dhvanayitavyābhyām	dhvanayitavyaiḥ dhvanayitavyebhiḥ
Dative	dhvanayitavyāya	dhvanayitavyābhyām	dhvanayitavyebhyaḥ
Ablative	dhvanayitavyāt	dhvanayitavyābhyām	dhvanayitavyebhyaḥ
Genitive	dhvanayitavyasya	dhvanayitavyayoḥ	dhvanayitavyānām
Locative	dhvanayitavye	dhvanayitavyayoḥ	dhvanayitavyeṣu

Compound dhvanayitavya -

Adverb -dhvanayitavyam -dhvanayitavyāt