-ic a-a a-c a-i aaa aac aag aai aap aar ac- aca acc acg aci acp acr ag- aga agc agg agi agp agr ai- aia aic aig aii aip air ap- apa apc apg api app apr ar- ara arc arg ari arp arr c-- caa cac cag cai cap car cca ccc ccg cci ccp ccr cga cgc cgg cgi cgp cgr ci- cia cic cig cii cip cir cpa cpc cpg cpi cpp cpr cra crc crg cri crp crr g-p gaa gac gag gai gap gar gca gcc gcg gci gcp gcr gga ggc ggg ggi ggp ggr gia gic gig gii gip gir gpa gpc gpg gpi gpp gpr gra grc grg gri grp grr ia- iaa iac iag iai iap iar ica icc icg ici icp icr iga igc igg igi igp igr iia iic iii iip iir ipa ipc ipg ipi ipp ipr ir- ira irc irg iri irp irr p-p paa pac pag pai pap par pca pcc pcg pci pcp pcr pga pgc pgg pgi pgp pgr pia pic pig pii pip pir ppa ppc ppg ppi ppp ppr pra prc prg pri prp prr ra- raa rac rag rai rap rar rca rcc rcg rci rcp rcr rga rgc rgg rgi rgp rgr ria ric rig rii rip rir rpa rpc rpg rpi rpp rpr rra rrc rrg rri rrp rrr