Let's take a look at those two, then!

Eevee

Moveset A: Bite, Charm, Confide, Covet, Detect, Headbutt, Iron Tail, Mud-Slap, Natural Gift, Rest, Return, Round, Snore, Stored Power, Swagger, Tackle
Moveset B: Attract, Bite, Charm, Covet, Detect, Dig, Headbutt, Iron Tail, Mud-Slap, Return, Round, Snore, Stored Power, Swagger
Moveset C: Bite, Charm, Covet, Detect, Headbutt, Hyper Voice, Iron Tail, Mud-Slap, Stored Power, Return, Round
Moveset D: Bite, Charm, Covet, Detect, Facade, Mud-Slap, Return, Round, Shadow Ball, Stored Power, Toxic
Moveset E: Bite, Charm, Covet, Detect, Dig, Growl, Helping Hand, Mud-Slap, Return, Round, Shadow Ball, Stored Power, Tail Whip, Toxic
Moveset F: Charm, Covet, Detect, Double Team, Mud-Slap, Quick Attack, Return, Round, Stored Power, Tail Whip, Toxic
Moveset G: Charm, Covet, Detect, Dig, Endure, Mud-Slap, Return, Round, Stored Power, Swift
Moveset H: Bide, Charm, Covet, Detect, Endure, Growl, Mud-Slap, Protect, Rest, Return, Round, Stored Power, Swagger, Toxic
Moveset I: Bite, Body Slam, Charm, Covet, Detect, Dig, Growl, Iron Tail, Mud-Slap, Return, Round, Stored Power, Tackle, Take Down
Moveset J: Baby-Doll Eyes, Captivate, Charm, Covet, Detect, Iron Tail, Mud-Slap, Quick Attack, Return, Round, Stored Power, Tail Whip
Moveset K: Charm, Covet, Detect, Double Team, Growl, Iron Tail, Mud-Slap, Natural Gift, Quick Attack, Return, Round, Stored Power, Tackle, Tail Whip, Take Down
Moveset L: Baby-Doll Eyes, Captivate, Charm, Covet, Growl, Hyper Voice, Mud-Slap, Return, Round, Stored Power
Moveset M: Baby-Doll Eyes, Captivate, Charm, Covet, Detect, Iron Tail, Mud-Slap, Return, Round, Stored Power, Tail Whip, Toxic
Moveset N: Charm, Covet, Detect, Dig, Mud-Slap, Reflect, Return, Round, Shadow Ball, Stored Power

Personal rec: No truly fantastic set in the lot, with the same moves showing up over and over, but they're all solid.


Onix

Moveset A: Captivate, Double Team, Dragon Tail, Headbutt, Protect, Return, Rock Slide, Rollout, Round, Stealth Rock, Toxic
Moveset B: Brutal Swing, Dragon Tail, Facade, Flash Cannon, Gyro Ball, Iron Head, Return, Rock Slide, Rock Smash, Rollout, Round, Stealth Rock, Substitute, Toxic
Moveset C: Attract, Dragon Tail, Endure, Facade, Iron Head, Protect, Rest, Return, Rock Slide, Rock Smash, Rollout Round, Stealth Rock, Substitute

Personal rec: The two Aegislash-mothered movesets are superior, but there's nothing truly bad in there.