#dinucleotide	frequency
AA	1767	0.0966207349081
AC	460	0.0251531058618
AG	1208	0.0660542432196
AT	1862	0.101815398075
CA	506	0.0276684164479
CC	325	0.017771216098
CG	230	0.0125765529309
CT	920	0.0503062117235
GA	966	0.0528215223097
GC	466	0.0254811898513
GG	1019	0.0557195975503
GT	1186	0.0648512685914
TA	2058	0.112532808399
TC	729	0.0398622047244
TG	1180	0.0645231846019
TT	3406	0.186242344707