c-- ccc ccd ccg cco ccr ccs ccu cdc cdd cdg cdo cdr cds cdu cgc cgd cgg cgo cgr cgs cgu co- coc cod cog coo cor cos cou crc crd crg cro crr crs cru csc csd csg cso csr css csu cuc cud cug cuo cur cus cuu dcc dcd dcg dco dcr dcs dcu ddc ddd ddg ddo ddr dds ddu dgc dgd dgg dgr dgs dgu doc dod dog doo dor dos dou drc drd drg dro drr drs dru dsc dsd dsg dso dsr dss dsu duc dud dug duo dur dus g-d gcc gcd gcg gco gcr gcs gcu gdc gdd gdo gdr gds gdu ggc ggd ggg ggo ggr ggs ggu goc god gog goo gor gos gou grc grd grg gro grr grs gru gsc gsd gsg gso gsr gss gsu gu- guc gud gug guo gur gus guu oc- occ ocd ocg oco ocr ocs ocu odc odd odg odo odr ods odu ogc ogd ogg ogo ogs oo- ooc ood oog ooo oor oos or- orc ord org oro orr ors oru os- osc osd osg oso osr oss osu ou- ouc oud ouo our ous rcc rcd rcg rco rcr rcs rcu rdc rdd rdg rdo rdr rds rdu rgc rgd rgg rgo rgr rgs roc rod rog roo ror ros rou rrc rrd rrg rrr rrs rru rsc rsd rsg rso rsr rss rsu ruc rud rug ruo rur rus ruu scc scd scg sco scr scs scu sdc sdd sdg sdo sdr sds sdu sgc sgd sgg sgo sgr sgs sgu soc sod sog soo sor sos sou sr- src srd srg sro srr srs ss- ssc ssd ssg sso ssr sss ssu suc sud sug suo sur sus suu ucc ucd ucg uco ucr ucs ucu udc udd udg udo udr uds udu ugc ugg ugo ugr ugs ugu uoc uod uog uoo uor uos ur- urc urd urg uro urr urs uru usc usd usg uso usr uss usu uuc uug uur uus uuu