#dinucleotide	frequency
AA	3900	0.132378398561
AC	1227	0.041648280778
AG	1650	0.056006245545
AN	1	3.39431791182e-05
AT	4366	0.14819592003
CA	1318	0.0447371100777
CC	667	0.0226401004718
CG	433	0.0146973965582
CT	1296	0.0439903601371
GA	1378	0.0467737008248
GC	716	0.0243033162486
GG	836	0.0283764977428
GN	1	3.39431791182e-05
GT	1312	0.044533451003
NA	1	3.39431791182e-05
NT	2	6.78863582363e-05
TA	4547	0.15433963545
TC	1104	0.0374732697464
TG	1324	0.0449407691524
TN	1	3.39431791182e-05
TT	3381	0.114761888598