thresh P-value %words %seq Nwords Nseq total_words total_seq 7.6828 1.0e-05 2.8% 2.8% 3 3 107 107 7.1543 5.0e-05 15.0% 15.0% 16 16 107 107 6.8698 0.0001 23.4% 23.4% 25 25 107 107 5.6771 0.0005 57.9% 57.9% 62 62 107 107 5.0067 0.001 72.9% 72.9% 78 78 107 107