Declension table of ?yuyūṣvas

Neuter	Singular	Dual	Plural
Nominative	yuyūṣvat	yuyūṣuṣī	yuyūṣvāṃsi
Vocative	yuyūṣvat	yuyūṣuṣī	yuyūṣvāṃsi
Accusative	yuyūṣvat	yuyūṣuṣī	yuyūṣvāṃsi
Instrumental	yuyūṣuṣā	yuyūṣvadbhyām	yuyūṣvadbhiḥ
Dative	yuyūṣuṣe	yuyūṣvadbhyām	yuyūṣvadbhyaḥ
Ablative	yuyūṣuṣaḥ	yuyūṣvadbhyām	yuyūṣvadbhyaḥ
Genitive	yuyūṣuṣaḥ	yuyūṣuṣoḥ	yuyūṣuṣām
Locative	yuyūṣuṣi	yuyūṣuṣoḥ	yuyūṣvatsu

Compound yuyūṣvat -

Adverb -yuyūṣvat