thresh P-value %words %seq Nwords Nseq total_words total_seq 8.2997 1.0e-05 19.0% 20.0% 4 4 21 20 7.288 5.0e-05 38.1% 40.0% 8 8 21 20 6.8014 0.0001 42.9% 45.0% 9 9 21 20 5.5295 0.0005 52.4% 55.0% 11 11 21 20 4.9126 0.001 57.1% 60.0% 12 12 21 20