Declension table of ?hvāyayitavya

Neuter	Singular	Dual	Plural
Nominative	hvāyayitavyam	hvāyayitavye	hvāyayitavyāni
Vocative	hvāyayitavya	hvāyayitavye	hvāyayitavyāni
Accusative	hvāyayitavyam	hvāyayitavye	hvāyayitavyāni
Instrumental	hvāyayitavyena	hvāyayitavyābhyām	hvāyayitavyaiḥ
Dative	hvāyayitavyāya	hvāyayitavyābhyām	hvāyayitavyebhyaḥ
Ablative	hvāyayitavyāt	hvāyayitavyābhyām	hvāyayitavyebhyaḥ
Genitive	hvāyayitavyasya	hvāyayitavyayoḥ	hvāyayitavyānām
Locative	hvāyayitavye	hvāyayitavyayoḥ	hvāyayitavyeṣu

Compound hvāyayitavya -

Adverb -hvāyayitavyam -hvāyayitavyāt