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@matches = f("____", \@dict); # @matches would be every 4 letter word + in @dict @matches = f("__rl", \@dict); # @matches could include 'earl', 'perl' +, 'curl', etc.
$string = "s__s"; @letters_guessed = qw( s e ); @possible_words = qw( suns sets sees saws skis sews sits ); $guess = g( $string, \@possible_words, @letters_guessed );