#dinucleotide	frequency
AA	2461	0.158172119031
AC	794	0.051031557298
AG	333	0.0214024037535
AT	2386	0.153351757825
CA	754	0.0484606979883
CC	687	0.0441545086445
CG	132	0.00848383572209
CT	1008	0.0647856546051
GA	422	0.0271225657176
GC	189	0.0121473102384
GG	200	0.0128542965486
GT	195	0.0125329391349
TA	2336	0.150138183688
TC	911	0.058551320779
TG	341	0.0219165756154
TT	2410	0.154894273411