Beginner (4-5 letters)→PETAL → how many words? (Answer: PLATE, LEAPT, PLEAT)
Intermediate (6 letters)→LISTEN → how many words? (Answer: 100+)
Expert (7 letters)→AEINRST → find all 5 seven-letter words
Master (8 letters)→TRIANGLE → target 10+ words before clicking SOLVE