Declension table of ?pratyāyayitavya

Masculine	Singular	Dual	Plural
Nominative	pratyāyayitavyaḥ	pratyāyayitavyau	pratyāyayitavyāḥ
Vocative	pratyāyayitavya	pratyāyayitavyau	pratyāyayitavyāḥ
Accusative	pratyāyayitavyam	pratyāyayitavyau	pratyāyayitavyān
Instrumental	pratyāyayitavyena	pratyāyayitavyābhyām	pratyāyayitavyaiḥ pratyāyayitavyebhiḥ
Dative	pratyāyayitavyāya	pratyāyayitavyābhyām	pratyāyayitavyebhyaḥ
Ablative	pratyāyayitavyāt	pratyāyayitavyābhyām	pratyāyayitavyebhyaḥ
Genitive	pratyāyayitavyasya	pratyāyayitavyayoḥ	pratyāyayitavyānām
Locative	pratyāyayitavye	pratyāyayitavyayoḥ	pratyāyayitavyeṣu

Compound pratyāyayitavya -

Adverb -pratyāyayitavyam -pratyāyayitavyāt