#dinucleotide	frequency
AA	1643	0.0841140633799
AC	1447	0.0740797624533
AG	959	0.0490964009625
AT	1451	0.0742845441048
CA	1556	0.0796600624584
CC	2051	0.105001791839
CG	654	0.0334818000307
CT	1631	0.0834997184252
GA	807	0.041314698203
GC	973	0.0498131367429
GG	730	0.0373726514104
GT	584	0.0298981211283
TA	1495	0.0765371422721
TC	1421	0.0727486817181
TG	750	0.0383965596683
TT	1381	0.0707008652025