Untested, but I often get this stuff right on the first try... :)
my $words = {
'lng' => ['lang', 'long', 'leng', 'loo'],
'sentance' => ['sentence'],
'thxs' => ['this', 'thus']
};
print map "$_\n", phol($words);
sub phol {
my($key, $value, @rest) = %{+shift};
if (@rest) {
return map { my $r = $_; map { "$_ $r" } @$value } phol({@rest});
} else {
return @$value;
}
}
-- Randal L. Schwartz, Perl hacker
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