A Mos-Ukr
A Sev S A Mos-Ukr
A Ukr Holds
A War S A Ukr
A Gal S A Ukr
A Rum S A Ukr

As long as I’m being silly here, note that Ukraine must not attack, as it’d lose the support necessary to hold off Moscow’s attack, and that even if Moscow convinced one of the regions supporting Ukraine to switch to supporting their attack, it’d still fail to overcome the Ukrainian defense.