thresh P-value %words %seq Nwords Nseq total_words total_seq 7.4856 5.0e-05 19.1% 19.1% 9 9 47 47 7.1121 0.0001 25.5% 27.7% 12 13 47 47 5.9593 0.0005 51.1% 55.3% 24 26 47 47 5.3154 0.001 63.8% 68.1% 30 32 47 47