Here's how you would sign "Alexis" in ASL:
1. A: Sign the letter "A" by touching your thumb to your index finger and extending your other fingers.
2. L: Sign the letter "L" by placing your thumb on your chin and extending your index finger.
3. E: Sign the letter "E" by touching your index finger to your chin.
4. X: Sign the letter "X" by crossing your arms in front of you, with your hands forming a "X" shape.
5. I: Sign the letter "I" by extending your index finger.
6. S: Sign the letter "S" by making a "S" shape with your index finger and thumb.
You would sign each letter one after the other, clearly and distinctly.
Important Note: It's always best to learn ASL from a qualified instructor or through reputable resources. They can teach you the correct finger spelling and other aspects of ASL communication.