lookup l1 single uvowelsignkannada uvowelsignaltkannada uuvowelsignkannada uuvowelsignaltkannada lookup end lookup l0 chained backtrackclass definition begin pakannada 1 phakannada 1 vakannada 1 pevowelkannada 1 phevowelkannada 1 vevowelkannada 1 class definition end class definition begin uvowelsignkannada 1 uuvowelsignkannada 1 class definition end class-chain 1 1 1,l1 lookup end script table begin telu default 0, 1 script table end feature table begin 0 akhn l1 1 akh2 l0 feature table end