Declension table of ?yatamānasa

Neuter	Singular	Dual	Plural
Nominative	yatamānasam	yatamānase	yatamānasāni
Vocative	yatamānasa	yatamānase	yatamānasāni
Accusative	yatamānasam	yatamānase	yatamānasāni
Instrumental	yatamānasena	yatamānasābhyām	yatamānasaiḥ
Dative	yatamānasāya	yatamānasābhyām	yatamānasebhyaḥ
Ablative	yatamānasāt	yatamānasābhyām	yatamānasebhyaḥ
Genitive	yatamānasasya	yatamānasayoḥ	yatamānasānām
Locative	yatamānase	yatamānasayoḥ	yatamānaseṣu

Compound yatamānasa -

Adverb -yatamānasam -yatamānasāt