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In 2012 I asked on cs.stackexchange if there is a better algorithm!
There is!
A pair of anagram words forms a graph
Nodes in the graph are matching pairs of letters
We'd like to match as many pairs as possible (bigger chunks!)
But not all pairs are compatible:
Edges express constraints:
If two matching pairs are incompatible, the nodes are connected
Find as many unconnected nodes as possible
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