#dinucleotide	frequency
AA	2992	0.181201550388
AC	1486	0.0899951550388
AG	905	0.054808624031
AT	1677	0.1015625
CA	1637	0.0991400193798
CC	909	0.055050872093
CG	277	0.0167756782946
CT	824	0.0499031007752
GA	828	0.0501453488372
GC	401	0.0242853682171
GG	369	0.0223473837209
GT	390	0.0236191860465
TA	1603	0.0970809108527
TC	851	0.0515382751938
TG	437	0.0264656007752
TT	926	0.0560804263566