#dinucleotide	frequency
AA	1648	0.0992233126618
AC	1303	0.0784514419893
AG	951	0.0572581130712
AT	1252	0.075380817629
CA	1326	0.0798362333675
CC	1449	0.0872418568246
CG	460	0.0276958275634
CT	1234	0.0742970678548
GA	789	0.0475043651033
GC	772	0.0464808236498
GG	598	0.0360045758324
GT	532	0.0320308266602
TA	1391	0.0837497742188
TC	946	0.0569570714673
TG	681	0.0410018664579
TT	1277	0.0768860256487