use Data::Dumper;
my %nhash;

foreach  my $sd ( keys %seed )
{
    foreach  my $sdsub ( sort keys %{$seed{$sd}} )
    {

        my %temphash; 
        foreach  my $valseed ( @{$seed{$sd}{$sdsub}}  )
        {
           my $join; 

     INNER: foreach  my $mn ( keys %main )
            {
                foreach  my $msec ( sort keys %{$main{$mn}} )
                {

                    my @store;
                    foreach  my $valmain( @{$main{$mn}{$msec}}  )
                    {
                        #print $valmain.$valseed,"\n";
                        $join = $valmain.$valseed;
                        push @store,$join;
                        last INNER if (length($join) > 2);
                    }              
                    
                    $temphash{$msec} = [ @store ];
                    $main{$mn."-join"} = {%temphash};
                }           
                  
            }               
            #print "$valseed\n";
        }              

        
    }           
}               


print Dumper \%main ;