'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' }