#dinucleotide	frequency
AA	2573	0.161701860231
AC	957	0.0601432880845
AG	791	0.049710910005
AT	1959	0.123114630468
CA	1052	0.0661136249372
CC	667	0.041918049271
CG	245	0.0153971845148
CT	863	0.0542357968829
GA	731	0.0459401709402
GC	370	0.0232528908999
GG	350	0.0219959778783
GT	478	0.0300402212167
TA	1924	0.12091503268
TC	833	0.0523504273504
TG	543	0.034125188537
TT	1576	0.0990447461036