CO*ORR
CC*NOR
CN*NOR
CN*ORR
CO*NNR
CO*NRR
CO*OOR
C*OOR
CC*ORR
CO*ONR
CO*RRR
CC*NNR
CC*NRR
CC*ONR
CC*OOR
CN*OOR
CN*RRR
*CON
CC*RRR
C*ONO