-ic a-a a-c a-i aaa aac aag aai aar ac- aca acc acg aci acr ag- aga agc agg agi agr ai- aia aic aig aii air ar- ara arc arg ari arr c-- caa cac cag cai car cca ccc ccg cci ccr cga cgc cgg cgi cgr ci- cia cic cig cii cir cra crc crg cri crr gaa gac gag gai gar gca gcc gcg gci gcr gga ggc ggg ggi ggr gia gic gig gii gir gra grc grg gri grr ia- iaa iac iag iai iar ica icc icg ici icr iga igc igg igi igr iia iic iii iir ir- ira irc irg iri irr ra- raa rac rag rai rar rca rcc rcg rci rcr rga rgc rgg rgi rgr ria ric rig rii rir rra rrc rrg rri rrr