-ic a-a a-c a-i aaa aac aag aai aak aar ac- aca acc acg aci ack acr ag- aga agc agg agi agk agr ai- aia aic aig aii aik air aka akc akg aki akk akr ar- ara arc arg ari ark arr c-- caa cac cag cai cak car cca ccc ccg cci cck ccr cga cgc cgg cgi cgr ci- cia cic cig cii cik cir cka ckc cki cra crc crg cri crk crr gaa gac gag gai gak gar gca gcc gcg gci gck gcr gga ggc ggg ggi ggr gia gic gig gii gik gir gka gra grc grg gri grk grr ia- iaa iac iag iai iar ica icc icg ici ick icr iga igc igg igi igk igr iia iic iii iir ika ikc iki ikk ikr ir- ira irc irg iri irk irr ka- kaa kac kag kai kak kar kca kcc kcg kci kck kcr kga kgc kgi kia kic kig kii kik kir kkc kki kkk kkr kra krc krg kri krk krr ra- raa rac rag rai rak rar rca rcc rcg rci rcr rga rgc rgg rgi rgk rgr ria ric rig rii rik rir rkc rkg rkk rra rrc rrg rri rrk rrr