#dinucleotide	frequency
AA	2405836	0.0717208018753
AC	1804255	0.053786964443
AG	2154909	0.0642403727637
AT	2455682	0.0732067697843
CA	2153005	0.0641836122835
CC	1984602	0.0591633207099
CG	1657433	0.0494100278717
CN	1	2.98111766036e-08
CT	2153560	0.0642001574865
GA	2293699	0.0683778659645
GC	1869927	0.0557447240329
GG	1986562	0.059221750616
GT	1805111	0.0538124828101
NC	2	5.96223532072e-08
NG	2	5.96223532072e-08
NN	80	2.38489412829e-06
TA	1968137	0.0586724796871
TC	2289775	0.0682608869075
TG	2156394	0.064284642361
TN	3	8.94335298108e-08
TT	2405491	0.0717105170194