#dinucleotide	frequency
AA	10852880	0.152821058938
AC	2343054	0.032992900818
AG	3371897	0.0474801960558
AN	381	5.36491912335e-06
AT	10516469	0.148084004326
CA	3352666	0.047209401411
CC	1157110	0.0162934424326
CG	225179	0.00317077985112
CN	126	1.7742252219e-06
CT	3355402	0.0472479274444
GA	3623687	0.0510256894576
GC	988898	0.0139248235991
GG	1166526	0.0164260305651
GN	146	2.05584827299e-06
GT	2348498	0.0330695586125
NA	421	5.92816522554e-06
NC	151	2.12625403576e-06
NG	123	1.73198176423e-06
NN	653110	0.00919654154502
NT	387	5.44940603868e-06
TA	9254922	0.130319968564
TC	3601249	0.0507097365566
TG	3364086	0.0473702081732
TN	430	6.05489559853e-06
TT	10839116	0.152627245954