Declension table of ?hāpayamāna

Neuter	Singular	Dual	Plural
Nominative	hāpayamānam	hāpayamāne	hāpayamānāni
Vocative	hāpayamāna	hāpayamāne	hāpayamānāni
Accusative	hāpayamānam	hāpayamāne	hāpayamānāni
Instrumental	hāpayamānena	hāpayamānābhyām	hāpayamānaiḥ
Dative	hāpayamānāya	hāpayamānābhyām	hāpayamānebhyaḥ
Ablative	hāpayamānāt	hāpayamānābhyām	hāpayamānebhyaḥ
Genitive	hāpayamānasya	hāpayamānayoḥ	hāpayamānānām
Locative	hāpayamāne	hāpayamānayoḥ	hāpayamāneṣu

Compound hāpayamāna -

Adverb -hāpayamānam -hāpayamānāt