#dinucleotide	frequency
AA	1616	0.0966333791784
AC	1221	0.0730132153322
AG	837	0.0500508282007
AT	1417	0.0847336004305
CA	1243	0.0743287687616
CC	1350	0.0807271422592
CG	350	0.0209292591042
CT	1425	0.0852119834958
GA	699	0.0417987203253
GC	643	0.0384500388686
GG	527	0.0315134844227
GT	495	0.0295999521617
TA	1533	0.0916701548765
TC	1154	0.0690067571608
TG	649	0.0388088261676
TT	1564	0.0935238892543