Declension table of ?pasyamāna

Neuter	Singular	Dual	Plural
Nominative	pasyamānam	pasyamāne	pasyamānāni
Vocative	pasyamāna	pasyamāne	pasyamānāni
Accusative	pasyamānam	pasyamāne	pasyamānāni
Instrumental	pasyamānena	pasyamānābhyām	pasyamānaiḥ
Dative	pasyamānāya	pasyamānābhyām	pasyamānebhyaḥ
Ablative	pasyamānāt	pasyamānābhyām	pasyamānebhyaḥ
Genitive	pasyamānasya	pasyamānayoḥ	pasyamānānām
Locative	pasyamāne	pasyamānayoḥ	pasyamāneṣu

Compound pasyamāna -

Adverb -pasyamānam -pasyamānāt