There are quite a few more permutations.
If they win them both with a +4 GD, and we lose one and draw two - they would finish above us on goal difference (or they win by +2GD total, and the one we lose is by 3 goals - etc, etc)
If they win 2-0, and 1-0 - and we lose 0-1, draw 1-1, 1-1 (for...