Declension table of ?vyayayitavya

Neuter	Singular	Dual	Plural
Nominative	vyayayitavyam	vyayayitavye	vyayayitavyāni
Vocative	vyayayitavya	vyayayitavye	vyayayitavyāni
Accusative	vyayayitavyam	vyayayitavye	vyayayitavyāni
Instrumental	vyayayitavyena	vyayayitavyābhyām	vyayayitavyaiḥ
Dative	vyayayitavyāya	vyayayitavyābhyām	vyayayitavyebhyaḥ
Ablative	vyayayitavyāt	vyayayitavyābhyām	vyayayitavyebhyaḥ
Genitive	vyayayitavyasya	vyayayitavyayoḥ	vyayayitavyānām
Locative	vyayayitavye	vyayayitavyayoḥ	vyayayitavyeṣu

Compound vyayayitavya -

Adverb -vyayayitavyam -vyayayitavyāt