Declension table of ?yamayamāna

Neuter	Singular	Dual	Plural
Nominative	yamayamānam	yamayamāne	yamayamānāni
Vocative	yamayamāna	yamayamāne	yamayamānāni
Accusative	yamayamānam	yamayamāne	yamayamānāni
Instrumental	yamayamānena	yamayamānābhyām	yamayamānaiḥ
Dative	yamayamānāya	yamayamānābhyām	yamayamānebhyaḥ
Ablative	yamayamānāt	yamayamānābhyām	yamayamānebhyaḥ
Genitive	yamayamānasya	yamayamānayoḥ	yamayamānānām
Locative	yamayamāne	yamayamānayoḥ	yamayamāneṣu

Compound yamayamāna -

Adverb -yamayamānam -yamayamānāt