thresh P-value %words %seq Nwords Nseq total_words total_seq 9.1782 1.0e-05 84.2% 43.2% 16 16 19 37 7.3088 5.0e-05 84.2% 43.2% 16 16 19 37 6.4311 0.0001 89.5% 45.9% 17 17 19 37 4.2055 0.0005 100.0% 51.4% 19 19 19 37 3.1477 0.001 100.0% 51.4% 19 19 19 37