'ss_dir1' => { 'sr2r' => 'wns tns fep'
               'hr2r' => 'wns tns fep'
               'si2r' => 'wns tns fep'
               'sr2o' => 'wns tns fep'
               'hi2r' => 'wns tns fep'
               'hr2o' => 'wns tns fep'
             }
'ss_dir2' => { 'sr2r' => 'wns tns fep'
               'hr2r' => 'wns tns fep'
               'si2r' => 'wns tns fep'
               'sr2o' => 'wns tns fep'
               'hi2r' => 'wns tns fep'
               'hr2o' => 'wns tns fep'
             }