#dinucleotide	frequency
AA	1562	0.0944091870656
AC	1253	0.0757328498036
AG	828	0.0500453309157
AT	1401	0.0846781504986
CA	1236	0.0747053490481
CC	1366	0.0825627077667
CG	422	0.0255061952251
CT	1493	0.0902387428226
GA	719	0.0434572378362
GC	623	0.0376548806286
GG	433	0.0261710486552
GT	498	0.0300997280145
TA	1528	0.0923541855545
TC	1275	0.0770625566636
TG	589	0.0355998791176
TT	1319	0.0797219703838