Declension table of ?pratyayitavya

Masculine	Singular	Dual	Plural
Nominative	pratyayitavyaḥ	pratyayitavyau	pratyayitavyāḥ
Vocative	pratyayitavya	pratyayitavyau	pratyayitavyāḥ
Accusative	pratyayitavyam	pratyayitavyau	pratyayitavyān
Instrumental	pratyayitavyena	pratyayitavyābhyām	pratyayitavyaiḥ pratyayitavyebhiḥ
Dative	pratyayitavyāya	pratyayitavyābhyām	pratyayitavyebhyaḥ
Ablative	pratyayitavyāt	pratyayitavyābhyām	pratyayitavyebhyaḥ
Genitive	pratyayitavyasya	pratyayitavyayoḥ	pratyayitavyānām
Locative	pratyayitavye	pratyayitavyayoḥ	pratyayitavyeṣu

Compound pratyayitavya -

Adverb -pratyayitavyam -pratyayitavyāt