Haskell solution for the five words with unique letters problem

Based on the techniques described in Matt Parker's video explaining optimized versions: https://www.youtube.com/watch?v=c33AZBnRHks

See also his earlier video introducing the problem: https://www.youtube.com/watch?v=_-AfhLQfb6w

Running

It can be run with

cabal run

or with

cabal build

followed by the path it spits out as

Linking /.../.../five-five-letters

to avoid including the build time.

Installing haskell

To install cabal and ghc, follow instructions here: https://www.haskell.org/ghcup/