Declension table of ?pāpīya

Neuter	Singular	Dual	Plural
Nominative	pāpīyam	pāpīye	pāpīyāni
Vocative	pāpīya	pāpīye	pāpīyāni
Accusative	pāpīyam	pāpīye	pāpīyāni
Instrumental	pāpīyena	pāpīyābhyām	pāpīyaiḥ
Dative	pāpīyāya	pāpīyābhyām	pāpīyebhyaḥ
Ablative	pāpīyāt	pāpīyābhyām	pāpīyebhyaḥ
Genitive	pāpīyasya	pāpīyayoḥ	pāpīyānām
Locative	pāpīye	pāpīyayoḥ	pāpīyeṣu

Compound pāpīya -

Adverb -pāpīyam -pāpīyāt