#dinucleotide	frequency
AA	1887	0.115766871166
AC	1298	0.0796319018405
AG	810	0.0496932515337
AT	1542	0.0946012269939
CA	1436	0.0880981595092
CC	1310	0.0803680981595
CG	322	0.019754601227
CT	1253	0.0768711656442
GA	670	0.0411042944785
GC	546	0.0334969325153
GG	397	0.0243558282209
GT	414	0.0253987730061
TA	1545	0.0947852760736
TC	1167	0.0715950920245
TG	497	0.030490797546
TT	1206	0.0739877300613