#dinucleotide	frequency
AA	673	0.0495545247036
AC	257	0.0189234960607
AG	640	0.0471246594507
AT	1580	0.116339003019
CA	245	0.018039908696
CC	156	0.0114866357411
CG	126	0.00927766732936
CT	553	0.0407186510566
GA	547	0.0402768573743
GC	190	0.0139901332744
GG	656	0.048302775937
GT	1416	0.104263309035
TA	1684	0.12399676018
TC	477	0.0351225977469
TG	1387	0.102127972903
TT	2994	0.220455047493