Worked example
Unscramble RACE
RACE unscrambles to race, care and acre. Fourteen ENABLE words in total. People type four-letter jumbles every day, so the list is static HTML. There are 14 words in ENABLE. This list is HTML, so search engines can read it without running JavaScript.
4-letter words (3)
3-letter words (7)
2-letter words (4)
Related: LISTEN, AEINRST, SCRABBLE, TRAIN, EARTH, ADOBE, RACE, RETINA, all examples.