#dinucleotide	frequency
AA	1285519	0.0607162102045
AC	1192975	0.0563452744523
AG	1517990	0.0716960231069
AN	90	4.25078036062e-06
AT	823243	0.0388825019602
CA	1050476	0.0496149194456
CC	1248005	0.0589443904884
CG	1786511	0.0843785096981
CN	80	3.77847143166e-06
CT	1515648	0.0715854083557
GA	1995462	0.0942474519996
GC	1163179	0.0549379827676
GG	1246780	0.0588865326446
GN	75	3.54231696718e-06
GT	1196287	0.0565017031696
NA	72	3.4006242885e-06
NC	85	4.01462589614e-06
NG	70	3.3061625027e-06
NN	331642	0.0156637477817
NT	79	3.73124053877e-06
TA	488294	0.0230625616157
TC	1996469	0.0942950135087
TG	1050435	0.049612982979
TN	61	2.88108446664e-06
TT	1283056	0.0605998805153