thresh P-value %words %seq Nwords Nseq total_words total_seq 8.055 1.0e-05 3.0% 2.9% 2 2 66 68 7.407 5.0e-05 37.9% 36.8% 25 25 66 68 6.9307 0.0001 51.5% 50.0% 34 34 66 68 5.161 0.0005 72.7% 70.6% 48 48 66 68 4.3955 0.001 75.8% 73.5% 50 50 66 68