languagesystem DFLT dflt;
languagesystem latn dflt;

lookup kernlookup {
    pos A V -34;
    subtable;
    @group1 = [b o];
    @group2 = [c d];
    pos @group1 @group2 -12;
} kernlookup;

feature kern {
 script DFLT;
 language dflt;
 lookup kernlookup;

 script latn;
 language dflt;
 lookup kernlookup;
} kern;