Alphabet Position Finder
05AB1E, (5?) 7 bytes
Rightmost two bytes are output formatting
áÇ32%ðý

A port of my Jelly answer, but O5AB1E is more terse for the alphabet filtering.
Try it online!
How?
áÇ32%ðý - take input implicitly
á       - filter keep alphabetical characters
 Ç      - to ordinals
  32    - thirty-two
    %   - modulo (vectorises)
     ð  - push a space character
      ý - join