#dinucleotide	frequency
AA	1661	0.0990754548166
AC	1277	0.0761705934984
AG	831	0.0495675514465
AN	1	5.96480763495e-05
AT	1475	0.0879809126156
AY	1	5.96480763495e-05
CA	1307	0.0779600357888
CC	1227	0.0731881896809
CG	468	0.0279152997316
CN	2	0.000119296152699
CT	1344	0.0801670146138
GA	768	0.0458097226364
GC	691	0.0412168207575
GG	551	0.0328660900686
GT	575	0.034297643901
NA	1	5.96480763495e-05
NC	1	5.96480763495e-05
NG	1	5.96480763495e-05
TA	1509	0.0900089472115
TC	1151	0.0686549358783
TG	733	0.0437220399642
TT	1189	0.0709215627796
YC	1	5.96480763495e-05