a-a a-c aaa aac aad aag aao aar aau ac- aca acc acd acg aco acr acu ad- ada adc add adg ado adr adu ag- aga agc agd agg ago agr agu aoa aoc aod aog aoo aor aou ar- ara arc ard arg aro arr aru au- aua auc aud aug auo aur c-- caa cac cad cag cao car cau cca ccc ccd ccg cco ccr ccu cda cdc cdd cdg cdo cdr cdu cga cgc cgd cgg cgo cgr cgu co- coa coc cod cog coo cor cou cra crc crd crg cro crr cru cua cuc cud cug cuo cur cuu daa dac dad dag dao dar dau dca dcc dcd dcg dco dcr dcu dda ddc ddd ddg ddo ddr ddu dga dgc dgd dgg dgr dgu doa doc dod dog doo dor dou dra drc drd drg dro drr dru dua duc dud dug duo dur g-d gaa gac gad gag gao gar gau gca gcc gcd gcg gco gcr gcu gda gdc gdd gdo gdr gdu gga ggc ggd ggg ggo ggr ggu goa goc god gog goo gor gou gra grc grd grg gro grr gru gu- gua guc gud gug guo gur guu oaa oac oad oag oao oar oau oc- oca occ ocd ocg oco ocr ocu oda odc odd odg odo odr odu oga ogc ogd ogg ogo oo- ooa ooc ood oog ooo oor or- ora orc ord org oro orr oru ou- oua ouc oud ouo our ra- raa rac rad rag rao rar rau rca rcc rcd rcg rco rcr rcu rda rdc rdd rdg rdo rdr rdu rga rgc rgd rgg rgo rgr roa roc rod rog roo ror rou rra rrc rrd rrg rrr rru rua ruc rud rug ruo rur ruu ua- uaa uac uad uag uao uar uau uca ucc ucd ucg uco ucr ucu uda udc udd udg udo udr udu uga ugc ugg ugo ugr ugu uoa uoc uod uog uoo uor ur- ura urc urd urg uro urr uru uua uuc uug uur uuu