#dinucleotide	frequency
AA	613	0.044669532901
AC	206	0.0150112949064
AG	541	0.0394228667201
AT	1325	0.0965532318006
CA	184	0.0134081469067
CC	128	0.00932740654376
CG	127	0.00925453618014
CT	549	0.0400058296291
GA	478	0.0348320338118
GC	198	0.0144283319974
GG	662	0.0482401807185
GT	1304	0.0950229541645
TA	1410	0.102747212709
TC	456	0.0332288858121
TG	1312	0.0956059170735
TT	4230	0.308241638126