-ic a-a a-c a-i aaa aac aag aai aar aau ac- aca acc acg aci acr acu ag- aga agc agg agi agr agu ai- aia aic aig aii air aiu ar- ara arc arg ari arr aru au- aua auc aug aui aur c-- caa cac cag cai car cau cca ccc ccg cci ccr ccu cga cgc cgg cgi cgr cgu ci- cia cic cig cii cir ciu cra crc crg cri crr cru cua cuc cug cui cur cuu gaa gac gag gai gar gau gca gcc gcg gci gcr gcu gga ggc ggg ggi ggr ggu gia gic gig gii gir giu gra grc grg gri grr gru gu- gua guc gug gui gur guu ia- iaa iac iag iai iar iau ica icc icg ici icr icu iga igc igg igi igr igu iia iic iii iir iiu ir- ira irc irg iri irr iru iu- iua iuc iug iui iur ra- raa rac rag rai rar rau rca rcc rcg rci rcr rcu rga rgc rgg rgi rgr ria ric rig rii rir rra rrc rrg rri rrr rru rua ruc rug rui rur ruu ua- uaa uac uag uai uar uau uca ucc ucg uci ucr ucu uga ugc ugg ugi ugr ugu uia uic uig uii uir uiu ur- ura urc urg uri urr uru uua uuc uug uur uuu