#dinucleotide	frequency
AA	6210108	0.181930992519
AC	1324429	0.0388004012959
AG	1123701	0.0329198845212
AN	132	3.86706495483e-06
AT	4575786	0.134051982435
CA	1824238	0.0534427790838
CC	656744	0.0192399371719
CG	225717	0.00661259318491
CN	45	1.31831759824e-06
CT	1127314	0.0330257307764
GA	1478732	0.0433208537483
GC	365377	0.0107040650909
GG	656211	0.0192243224324
GN	52	1.52338922463e-06
GT	1317560	0.0385991674385
NA	125	3.66199332843e-06
NC	52	1.52338922463e-06
NG	38	1.11324597184e-06
NN	22784	0.00066747884796
NT	139	4.07213658122e-06
TA	3720960	0.109009045563
TC	1487459	0.0435765194746
TG	1812268	0.0530921066027
TN	123	3.60340143518e-06
TT	6204321	0.181761456876