#dinucleotide	frequency
AA	5094	0.121352169045
AC	2519	0.0600090525764
AG	2271	0.0541010553398
AT	3526	0.0839983800653
CA	1960	0.0466922362246
CC	1555	0.0370440955761
CG	1707	0.0406651261405
CT	2183	0.0520046692236
GA	1811	0.0431426733687
GC	1350	0.0321604688282
GG	1509	0.035948257379
GN	2	4.76451390047e-05
GT	2724	0.0648926793244
NG	1	2.38225695023e-05
NN	99	0.00235843438073
NT	1	2.38225695023e-05
TA	4545	0.108273578388
TC	1982	0.0472163327537
TG	1907	0.045429640041
TT	5231	0.124615861067