Attacks for my eevee team in pokemon crystal?

Question

what attacks would make my eevee team strong my eevee team is the following:

umbreon lv 48 psychic,bite,shadow ball,swift

espeon lv 49 psybeam,return,shadow ball,psychic

jolteon lv 47 headbutt,shadow ball,double kick,zap cannon

vaporeon lv 45 bite,surf,shadow ball,aurora beam

flareon lv 31 quick attack,ember,shadow ball,bite

thanxs

Answer 1

Umbreon: Toxic instead of Swift

Jolteon: Thundershock instead of Double Kick

Vaporeon: Ice Beam instead of Aurora Beam

Flareon: Flamethrower instead of Ember

Flareon: Earthquake instead of Quick Attack

Answer 2

If you can teach one a ground move and have flareon get better fire moves and don't give all of them bite