Declension table of ?pīyitavya

Neuter	Singular	Dual	Plural
Nominative	pīyitavyam	pīyitavye	pīyitavyāni
Vocative	pīyitavya	pīyitavye	pīyitavyāni
Accusative	pīyitavyam	pīyitavye	pīyitavyāni
Instrumental	pīyitavyena	pīyitavyābhyām	pīyitavyaiḥ
Dative	pīyitavyāya	pīyitavyābhyām	pīyitavyebhyaḥ
Ablative	pīyitavyāt	pīyitavyābhyām	pīyitavyebhyaḥ
Genitive	pīyitavyasya	pīyitavyayoḥ	pīyitavyānām
Locative	pīyitavye	pīyitavyayoḥ	pīyitavyeṣu

Compound pīyitavya -

Adverb -pīyitavyam -pīyitavyāt