#dinucleotide	frequency
AA	2028	0.117306802406
AC	1664	0.0962517353077
AG	786	0.0454650624711
AT	1625	0.0939958352615
CA	1665	0.0963095788987
CC	1395	0.0806918093475
CG	342	0.0197825080981
CT	1228	0.0710319296622
GA	645	0.0373091161499
GC	571	0.0330286904211
GG	441	0.0255090236002
GT	409	0.0236580286904
TA	1765	0.102093937992
TC	1001	0.0579014345211
TG	496	0.0286904211013
TT	1227	0.0709740860713