Griffin/Neirin:

Dot/Hinge:

Ivy/Dylan:

Wren/Drew:

Alextra/Auburn/Eren

Milo/Rowan:

Jeanette/Neirin:

Elric/Tyra:

Karter/Ana: (they were difficult so there's two)

Tyra/Elric: (also difficult)

Ivy/Sage:

Maverick/Ivy/Sage (but not rivals)