Declension table of ?sāyyamāna

Neuter	Singular	Dual	Plural
Nominative	sāyyamānam	sāyyamāne	sāyyamānāni
Vocative	sāyyamāna	sāyyamāne	sāyyamānāni
Accusative	sāyyamānam	sāyyamāne	sāyyamānāni
Instrumental	sāyyamānena	sāyyamānābhyām	sāyyamānaiḥ
Dative	sāyyamānāya	sāyyamānābhyām	sāyyamānebhyaḥ
Ablative	sāyyamānāt	sāyyamānābhyām	sāyyamānebhyaḥ
Genitive	sāyyamānasya	sāyyamānayoḥ	sāyyamānānām
Locative	sāyyamāne	sāyyamānayoḥ	sāyyamāneṣu

Compound sāyyamāna -

Adverb -sāyyamānam -sāyyamānāt