Declension table of ?pāyyamāna

Neuter	Singular	Dual	Plural
Nominative	pāyyamānam	pāyyamāne	pāyyamānāni
Vocative	pāyyamāna	pāyyamāne	pāyyamānāni
Accusative	pāyyamānam	pāyyamāne	pāyyamānāni
Instrumental	pāyyamānena	pāyyamānābhyām	pāyyamānaiḥ
Dative	pāyyamānāya	pāyyamānābhyām	pāyyamānebhyaḥ
Ablative	pāyyamānāt	pāyyamānābhyām	pāyyamānebhyaḥ
Genitive	pāyyamānasya	pāyyamānayoḥ	pāyyamānānām
Locative	pāyyamāne	pāyyamānayoḥ	pāyyamāneṣu

Compound pāyyamāna -

Adverb -pāyyamānam -pāyyamānāt