Find 6-letter words that are hidden (embedded) within

[Hen Hanna]

  i just wrote a program,  which...
                    within    [FunFunPython]  
           finds:             (funny,    futon,    python)

                             ( 5- and 6- letter words )


(my program uses a Trie, but is pretty simple)



Maybe someone would show me
            how it's done using    itertools,   Permutations, etc.

 Wouldn't it get too slow for Letter-Seeds longer than 11 letters or so?


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 Find   6-letter words that are hidden (embedded)  within each row of letters.
                              The letters are in the correct order.
 
 1.    JSOYOMFUBELR
 2.    SCDUARWDRLYE
 3.    DASNAGEFERTY
 4.    CLULOOTSCEHN
 5.    USENEARSEYNE