#dinucleotide	frequency
AA	1603	0.0959305804907
AC	1419	0.0849192100539
AG	872	0.052184320766
AT	1308	0.078276481149
CA	1449	0.0867145421903
CC	1518	0.0908438061041
CG	349	0.0208856971873
CT	1542	0.0922800718133
GA	701	0.0419509275883
GC	670	0.0400957510473
GG	489	0.0292639138241
GT	453	0.0271095152603
TA	1450	0.0867743865949
TC	1251	0.0748653500898
TG	602	0.036026331538
TT	1034	0.0618791143028