#dinucleotide	frequency
AA	4215	0.113327776732
AC	1435	0.0385825289705
AG	2070	0.0556556341247
AT	3275	0.088054203748
CA	1600	0.0430188476326
CC	2521	0.0677815718011
CG	1152	0.0309735702955
CT	2011	0.0540693141182
GA	2015	0.0541768612373
GC	1412	0.0379641330358
GG	2619	0.0704164762186
GT	1526	0.0410292259296
TA	3166	0.085123544753
TC	1916	0.0515150700401
TG	1731	0.0465410157825
TT	4529	0.12177022558