#dinucleotide	frequency
AA	1392	0.0840123121492
AC	1250	0.0754420906512
AG	913	0.0551029030116
AT	1012	0.0610779165912
CA	1221	0.0736918341481
CC	1681	0.101454523508
CG	567	0.0342205323194
CT	1491	0.0899873257288
GA	799	0.0482225843443
GC	847	0.0511195606253
GG	634	0.0382642283783
GT	545	0.0328927515239
TA	1156	0.0697688454342
TC	1182	0.0713380409198
TG	710	0.0428511074899
TT	1169	0.070553443177