1lookup raucontext-sinh chained 2 3markattachmenttype 2 4 5glyph rakarsinh uvowelsignsinh 1,u2aelow-sinh 6glyph rakarsinh uuvowelsignsinh 1,u2aelow-sinh 7 8lookup end 9 10lookup u2aelow-sinh single 11lookup end 12