BEG_OF_VOW
if(han_buf[2] > BEG_OF_VOW){
code_2 = ((code_2 << 5) | X32_21[han_buf[2] - BEG_OF_VOW]);
buffer = Y21_32[(short)MIDDLE_SOUND(code_2)] + BEG_OF_VOW;
if(code_1 != BEG_OF_VOW)