Declension table of ?posayitavya

Neuter	Singular	Dual	Plural
Nominative	posayitavyam	posayitavye	posayitavyāni
Vocative	posayitavya	posayitavye	posayitavyāni
Accusative	posayitavyam	posayitavye	posayitavyāni
Instrumental	posayitavyena	posayitavyābhyām	posayitavyaiḥ
Dative	posayitavyāya	posayitavyābhyām	posayitavyebhyaḥ
Ablative	posayitavyāt	posayitavyābhyām	posayitavyebhyaḥ
Genitive	posayitavyasya	posayitavyayoḥ	posayitavyānām
Locative	posayitavye	posayitavyayoḥ	posayitavyeṣu

Compound posayitavya -

Adverb -posayitavyam -posayitavyāt