"Class 377/7 dual-voltage units" . "Class 377/2 ''Electrostar''" . . . . "Class 377/6 ''Electrostar''" . "377s" . . "377/2" . "Class 377 \\\"Electrostar\\\"" . . "377308" . "Class 377/2 dual-voltage units" . "Class 377 EMU" . "Class 377/5 ''Electrostar''" . "MITRAC" . "377/5" . "Class 377/6 or 7" . "211" . "Class 377/5s" . . "377311" . "British Rail Class 377" . "Class 377" . . "377 101" . "Class 377/5 ''Electrostars''" . "Class 377 EMUs" . . . "28375" . "377/7" . "Class 377/4" . "Class 377 ''Electrostars''" . "Class 377/6" . . "Class 377 ''Electrostar''" . . "377/1" . . "Class 377s" . "377111" . . "Class 377/5" . "Class 377 'Electrostars'" . . "Class 377 \\\"Electrostars\\\"" . . . "2003" . . . "Class 377/3" . . "377 ''Electrostar''" . . "Class 377/2" . "1.331E8" . "Class 377/7" . "377" . . . . "Class 377/3 ''Electrostars''" . "British Rail Class 377" . "377437" . "Class 377 Electrostar" . . .