AA 0
AC 3
AG 2
AT 3
AN 4
A- 4
CA 3
CC 1
CG 3
CT 2
CN 4
C- 4
GA 2
GC 3
GG 1
GT 3
GN 4
G- 4
TA 3
TC 2
TG 3
TT 0
TN 4
T- 4
NA 4
NC 4
NG 4
NT 4
NN 4
N- 4
-A 4
-C 4
-G 4
-T 4
-N 4