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Behold, the mystical Tree of B:
Notice that every path from trunk to canopy forms a word. You should see 16 words (from left to right: BLOOM, BLOOD, BLOWN, BLOWS, BLAND, BLANK, BLASÉ, BLAST, BROOK, BROOM, BROWN, BROWS, BRAID, BRAIN, BRASH, BRASS).
Once upon a time, the Tree of B had a sister...