Declension table of ?yasyamāna

Masculine	Singular	Dual	Plural
Nominative	yasyamānaḥ	yasyamānau	yasyamānāḥ
Vocative	yasyamāna	yasyamānau	yasyamānāḥ
Accusative	yasyamānam	yasyamānau	yasyamānān
Instrumental	yasyamānena	yasyamānābhyām	yasyamānaiḥ yasyamānebhiḥ
Dative	yasyamānāya	yasyamānābhyām	yasyamānebhyaḥ
Ablative	yasyamānāt	yasyamānābhyām	yasyamānebhyaḥ
Genitive	yasyamānasya	yasyamānayoḥ	yasyamānānām
Locative	yasyamāne	yasyamānayoḥ	yasyamāneṣu

Compound yasyamāna -

Adverb -yasyamānam -yasyamānāt