function []= histdata(s)
for n=1:10000   
    word1length=ceil(rand)+2;
    word1=char(96.+(ceil(25.*rand(1,word1length))));

    word2length=ceil(3*rand)+2;
    word2=char(96.+(ceil(25.*rand(1,word2length))));
    G=Delta(s,word1,word2);
    alldelta(n)=G;
end
nnz(alldelta)
hist(alldelta)