#dinucleotide	frequency
AA	3077	0.195725462757
AC	927	0.0589657146492
AG	749	0.0476432796896
AT	2248	0.142993448254
CA	1110	0.0706061955346
CC	419	0.0266522485847
CG	141	0.00896889510845
CT	623	0.0396285223586
GA	738	0.0469435786528
GC	243	0.0154570319954
GG	252	0.0160295146619
GT	353	0.0224540423637
TA	2076	0.132052668405
TC	704	0.0447808663571
TG	444	0.0282424782139
TT	1617	0.102856052414