%junk

function A = dfablowup(n)


if n==2
  A = str2nfsa('a','a');
  A = set_ndelta(A,[1],['a'],{[1 2]});
else
  A = dfablowup(n-1);
  alf = char('a':'z');
  alf = alf(1:n);
  A = str2nfsa(alf,alf);
end

alf = char('a':'z');
alf = alf(1:n);

A = str2nfsa(alf,alf);

for i=1:n
  a = alf(i);
  
  R = [q,q+1];
  for a=alf
    B = set_ndelta(B,[q],[a],{R});
  end
end
return