#dinucleotide	frequency
AA	3730	0.137969299057
AC	1260	0.0466062511559
AG	1202	0.0444608840392
AT	3143	0.116256704272
CA	1313	0.0485666728315
CC	728	0.0269280562234
CG	453	0.0167560569632
CT	1387	0.0513038653597
GA	1093	0.0404290734233
GC	649	0.0240059182541
GG	701	0.0259293508415
GT	1236	0.0457185130387
NC	1	3.6989088219e-05
TA	3200	0.118365082301
TC	1243	0.0459774366562
TG	1322	0.0488995746255
TN	1	3.6989088219e-05
TT	4373	0.161753282782