s='';
for n=1:600
  wl=fix(stdchoose(4,2,1,1)+1)+fix(rand(1,1)*4);
  s=[s ' ' rand(1,wl)*26+65+32*(rand(1,wl)>.5)];
  if(rand(1,1)>.9)
    s=[s '.'];
  end
end

