#dinucleotide	frequency
AA	1447184	0.0489940186485
AC	1619706	0.0548347037896
AG	1942124	0.065750077028
AN	224	7.58345875663e-06
AT	1334405	0.0451759164381
CA	1929445	0.0653208329495
CC	2107396	0.0713453154013
CG	2306213	0.0780762105782
CN	265	8.97150254691e-06
CT	1941304	0.0657223161522
GA	2237958	0.0757654562146
GC	2326049	0.0787477529348
GG	2117171	0.0716762453537
GN	293	9.91943489149e-06
GT	1617949	0.054775221035
NA	210	7.10949258434e-06
NC	290	9.81787071171e-06
NG	279	9.4454687192e-06
NN	271604	0.00919507916132
NT	206	6.97407367797e-06
TA	728815	0.0246738325612
TC	2231248	0.0755382909992
TG	1933583	0.0654609238081
TN	203	6.8725094982e-06
TT	1443849	0.0488811131353