#dinucleotide	frequency
AA	2442	0.163749748542
AC	665	0.0445919667404
AG	588	0.039428686381
AT	2127	0.14262723798
CA	740	0.0496211359217
CC	344	0.0230671226447
CG	140	0.00938778247167
CT	697	0.0467377455911
GA	591	0.0396298531483
GC	261	0.0175015087508
GG	254	0.0170321196272
GT	385	0.0258164017971
TA	2049	0.137396902032
TC	651	0.0436531884933
TG	509	0.0341312948434
TT	2470	0.165627305036