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# 1 point: E ×15, A ×9, I ×8, N ×6, O ×6, R ×6, S ×6, T ×6, U ×6, L ×5
# 2 points: D ×3, G ×2, M ×3
# 3 points: B ×2, C ×2, P ×2
# 4 points: F ×2, H ×2, V ×2
# 8 points: J ×1, Q ×1
# 10 points: K ×1, W ×1, X ×1, Y ×1, Z ×1