#dinucleotide	frequency
AA	133510	0.0226133713097
AC	269258	0.045605805798
AG	288391	0.048846474162
AN	55	9.31567239931e-06
AT	204887	0.0347029121978
CA	289574	0.0490468458065
CC	611093	0.103504403518
CG	865137	0.146533324955
CN	152	2.57451309944e-05
CT	287667	0.048723846038
GA	411379	0.0696776726537
GC	761653	0.129005633272
GG	611832	0.10362957228
GN	57	9.65442412292e-06
GT	271704	0.046020099156
NA	69	1.16869344646e-05
NC	145	2.45594999618e-05
NG	55	9.31567239931e-06
NN	75	1.27031896354e-05
NT	51	8.63816895208e-06
TA	61523	0.0104205111459
TC	411401	0.0696813989227
TG	291280	0.0493358010267
TN	56	9.48504826111e-06
TT	133025	0.0225312240167