Declension table of ?pāyayitavya

Neuter	Singular	Dual	Plural
Nominative	pāyayitavyam	pāyayitavye	pāyayitavyāni
Vocative	pāyayitavya	pāyayitavye	pāyayitavyāni
Accusative	pāyayitavyam	pāyayitavye	pāyayitavyāni
Instrumental	pāyayitavyena	pāyayitavyābhyām	pāyayitavyaiḥ
Dative	pāyayitavyāya	pāyayitavyābhyām	pāyayitavyebhyaḥ
Ablative	pāyayitavyāt	pāyayitavyābhyām	pāyayitavyebhyaḥ
Genitive	pāyayitavyasya	pāyayitavyayoḥ	pāyayitavyānām
Locative	pāyayitavye	pāyayitavyayoḥ	pāyayitavyeṣu

Compound pāyayitavya -

Adverb -pāyayitavyam -pāyayitavyāt