#dinucleotide	frequency
AA	1581	0.0954306754391
AC	1443	0.0871008631617
AG	776	0.0468401038208
AN	23	0.00138830204624
AT	1231	0.0743043399529
CA	1513	0.0913261302589
CC	1697	0.102432546629
CG	420	0.0253516025834
CN	26	0.00156938492183
CT	1401	0.0845657029034
GA	595	0.0359147703266
GC	717	0.0432788072675
GG	415	0.0250497977908
GN	15	0.00090541437798
GT	395	0.0238425786201
NA	25	0.0015090239633
NC	22	0.0013279410877
NG	16	0.000965775336512
NN	184	0.0111064163699
NT	19	0.00114685821211
TA	1340	0.0808836844329
TC	1178	0.0711052091507
TG	510	0.0307840888513
TN	18	0.00108649725358
TT	1007	0.0607834852417