thresh P-value %words %seq Nwords Nseq total_words total_seq 9.2174 1.0e-05 50.0% 45.0% 7 9 14 20 7.7214 5.0e-05 71.4% 60.0% 10 12 14 20 7.1261 0.0001 78.6% 60.0% 11 12 14 20 5.5991 0.0005 100.0% 70.0% 14 14 14 20 4.7203 0.001 100.0% 70.0% 14 14 14 20