#dinucleotide	frequency
AA	891	0.0622119815668
AC	290	0.0202485686357
AG	859	0.0599776567519
AT	1175	0.0820416142997
CA	291	0.0203183912861
CC	311	0.0217148442955
CG	200	0.0139645300936
CT	757	0.0528557464041
GA	711	0.0496439044826
GC	336	0.0234604105572
GG	1093	0.0763161569613
GT	1238	0.0864404412792
TA	1321	0.092235721268
TC	622	0.043429688591
TG	1226	0.0856025694735
TT	3001	0.209537774054