Here are more "meme coin" names with only 5 letters, based on specific themes:

Animals:

1. PUPIS

2. KITTY

3. BEARS

4. WOLFS

5. HORSE

Space:

1. GALAX

2. STARS

3. PLANX

4. ROCKET

5. ALIEN

Gaming:

1. GAMEZ

2. PLAYA

3. LEVEL

4. QUEST

5. SCORE

Food:

1. PIZZA

2. SUSHI

3. DONUT

4. COFFE

5. CAKES

Pop Culture:

1. TAYLA

2. KANYE

3. BEYON

4. RICKY

5. JENNY