#dinucleotide	frequency
AA	1819	0.10875283989
AC	1253	0.0749133086213
AG	779	0.0465741958627
AT	1741	0.104089441588
CA	1319	0.0788592610307
CC	1034	0.061819921081
CG	342	0.0204472079397
CT	1245	0.0744350113596
GA	649	0.0388018653593
GC	564	0.0337199569532
GG	423	0.0252899677149
GT	519	0.0310295348559
TA	1805	0.107915819682
TC	1089	0.0651082147555
TG	610	0.0364701662083
TT	1535	0.0917732870979