thresh P-value %words %seq Nwords Nseq total_words total_seq 8.1741 1.0e-05 23.8% 25.0% 5 5 21 20 7.1919 5.0e-05 38.1% 40.0% 8 8 21 20 6.7187 0.0001 42.9% 45.0% 9 9 21 20 5.4784 0.0005 52.4% 55.0% 11 11 21 20 4.8761 0.001 57.1% 60.0% 12 12 21 20