Declension table of ?yāmayitavya

Neuter	Singular	Dual	Plural
Nominative	yāmayitavyam	yāmayitavye	yāmayitavyāni
Vocative	yāmayitavya	yāmayitavye	yāmayitavyāni
Accusative	yāmayitavyam	yāmayitavye	yāmayitavyāni
Instrumental	yāmayitavyena	yāmayitavyābhyām	yāmayitavyaiḥ
Dative	yāmayitavyāya	yāmayitavyābhyām	yāmayitavyebhyaḥ
Ablative	yāmayitavyāt	yāmayitavyābhyām	yāmayitavyebhyaḥ
Genitive	yāmayitavyasya	yāmayitavyayoḥ	yāmayitavyānām
Locative	yāmayitavye	yāmayitavyayoḥ	yāmayitavyeṣu

Compound yāmayitavya -

Adverb -yāmayitavyam -yāmayitavyāt