#dinucleotide	frequency
AA	2546	0.129772159641
AC	831	0.0423568989245
AG	1072	0.0546409093226
AN	1	5.09709975024e-05
AT	2232	0.113767266425
CA	952	0.0485243896223
CC	741	0.0377695091493
CG	421	0.0214587899485
CN	3	0.000152912992507
CT	936	0.0477088536623
GA	980	0.0499515775524
GC	623	0.031754931444
GG	916	0.0466894337122
GN	2	0.000101941995005
GT	871	0.0443957388246
NA	2	0.000101941995005
NC	5	0.000254854987512
NG	2	0.000101941995005
TA	2203	0.112289107498
TC	853	0.0434782608696
TG	980	0.0499515775524
TN	3	0.000152912992507
TT	2444	0.124573117896