-ic a-a a-c a-i aaa aac aag aai aar aas aau ac- aca acc acg aci acr acs acu ag- aga agc agg agi agr ags agu ai- aia aic aig aii air ais aiu ar- ara arc arg ari arr ars aru as- asa asc asg asi asr ass asu au- aua auc aug aui aur aus c-- caa cac cag cai car cas cau cca ccc ccg cci ccr ccs ccu cga cgc cgg cgi cgr cgs cgu ci- cia cic cig cii cir cis ciu cra crc crg cri crr crs cru csa csc csg csi csr css csu cua cuc cug cui cur cus cuu gaa gac gag gai gar gas gau gca gcc gcg gci gcr gcs gcu gga ggc ggg ggi ggr ggs ggu gia gic gig gii gir gis giu gra grc grg gri grr grs gru gsa gsc gsg gsi gsr gss gsu gu- gua guc gug gui gur gus guu ia- iaa iac iag iai iar ias iau ica icc icg ici icr ics icu iga igc igg igi igr igs igu iia iic iii iir iis iiu ir- ira irc irg iri irr irs iru is- isa isc isg isi isr iss isu iu- iua iuc iug iui iur ius ra- raa rac rag rai rar ras rau rca rcc rcg rci rcr rcs rcu rga rgc rgg rgi rgr rgs ria ric rig rii rir ris rra rrc rrg rri rrr rrs rru rsa rsc rsg rsi rsr rss rsu rua ruc rug rui rur rus ruu saa sac sag sai sar sas sau sca scc scg sci scr scs scu sga sgc sgg sgi sgr sgs sgu sia sic sig sii sir sis siu sr- sra src srg sri srr srs ss- ssa ssc ssg ssi ssr sss ssu sua suc sug sui sur sus suu ua- uaa uac uag uai uar uas uau uca ucc ucg uci ucr ucs ucu uga ugc ugg ugi ugr ugs ugu uia uic uig uii uir uis uiu ur- ura urc urg uri urr urs uru usa usc usg usi usr uss usu uua uuc uug uur uus uuu