thresh P-value %words %seq Nwords Nseq total_words total_seq 8.6378 1.0e-05 3.2% 2.9% 2 2 63 70 7.7706 5.0e-05 15.9% 14.3% 10 10 63 70 7.3146 0.0001 20.6% 18.6% 13 13 63 70 6.1029 0.0005 44.4% 40.0% 28 28 63 70 5.5059 0.001 50.8% 45.7% 32 32 63 70