Declension table of ?vivivakṣvas

Masculine	Singular	Dual	Plural
Nominative	vivivakṣvān	vivivakṣvāṃsau	vivivakṣvāṃsaḥ
Vocative	vivivakṣvan	vivivakṣvāṃsau	vivivakṣvāṃsaḥ
Accusative	vivivakṣvāṃsam	vivivakṣvāṃsau	vivivakṣuṣaḥ
Instrumental	vivivakṣuṣā	vivivakṣvadbhyām	vivivakṣvadbhiḥ
Dative	vivivakṣuṣe	vivivakṣvadbhyām	vivivakṣvadbhyaḥ
Ablative	vivivakṣuṣaḥ	vivivakṣvadbhyām	vivivakṣvadbhyaḥ
Genitive	vivivakṣuṣaḥ	vivivakṣuṣoḥ	vivivakṣuṣām
Locative	vivivakṣuṣi	vivivakṣuṣoḥ	vivivakṣvatsu

Compound vivivakṣvat -

Adverb -vivivakṣvas