#dinucleotide	frequency
AA	2993792	0.0599305098097
AC	2828069	0.0566130235323
AG	3255088	0.0651612013511
AN	67	1.34122349089e-06
AT	2718153	0.0544126963499
CA	3400887	0.0680798437951
CC	3350091	0.0670629962064
CG	3173176	0.0635214655513
CN	134	2.68244698179e-06
CT	3259287	0.0652452580293
GA	3563053	0.0713261251179
GC	3433786	0.0687384245657
GG	3342447	0.0669099766189
GN	96	1.92175306158e-06
GT	2825661	0.0565648195597
NA	69	1.38126001301e-06
NC	97	1.94177132264e-06
NG	100	2.00182610581e-06
NN	7777	0.000155682016249
NT	97	1.94177132264e-06
TA	1837341	0.0367803717908
TC	3571609	0.0714974013595
TG	3394141	0.067944800606
TN	66	1.32120522983e-06
TT	2999305	0.0600408704829