thresh P-value %words %seq Nwords Nseq total_words total_seq 8.3642 1.0e-05 44.4% 44.4% 4 4 9 9 7.3638 5.0e-05 55.6% 55.6% 5 5 9 9 6.8761 0.0001 66.7% 66.7% 6 6 9 9 5.5755 0.0005 66.7% 66.7% 6 6 9 9 4.9439 0.001 77.8% 77.8% 7 7 9 9