>>54196135I take the poster with Kabu into consideration that their next location after 2 episodes in the air might be Motostoke. Including all bordering locations of Route 3, Motostoke Outskirts and the East Lake Axewell, that greatly narrows down what Pokemon to encounter and to calculate in.
Subtracting all the Kantomons and Wanderers, that would narrow down my first picks to either a Chewtle, Mudbray or a Hateena.