-up c-- ccc ccg cco ccp ccr ccs ccu cgc cgg cgo cgp cgr cgs cgu co- coc cog coo cop cor cos cou cpc cpg cpo cpp cpr cps cpu crc crg cro crp crr crs cru csc csg cso csp csr css csu cuc cug cuo cup cur cus cuu g-p gcc gcg gco gcp gcr gcs gcu ggc ggg ggo ggp ggr ggs ggu goc gog goo gop gor gos gou gpc gpg gpo gpp gpr gps gpu grc grg gro grp grr grs gru gsc gsg gso gsp gsr gss gsu gu- guc gug guo gup gur gus guu oc- occ ocg oco ocp ocr ocs ocu ogc ogg ogo ogp ogs oo- ooc oog ooo oop oor oos op- opc opg opo opp opr ops or- orc org oro orp orr ors oru os- osc osg oso osp osr oss osu ou- ouc ouo oup our ous p-p pcc pcg pco pcp pcr pcs pcu pgc pgg pgo pgp pgr pgs poc pog poo pop por pos pou ppc ppg ppo ppp ppr pps ppu prc prg pro prp prr prs pru ps- psc psg pso psp psr pss psu puc pug pup pur pus puu rcc rcg rco rcp rcr rcs rcu rgc rgg rgo rgp rgr rgs roc rog roo rop ror ros rou rpc rpg rpo rpp rpr rps rpu rrc rrg rrp rrr rrs rru rsc rsg rso rsp rsr rss rsu ruc rug ruo rup rur rus ruu scc scg sco scp scr scs scu sgc sgg sgo sgp sgr sgs sgu soc sog soo sop sor sos sou spc spg spo spp spr sps spu sr- src srg sro srp srr srs ss- ssc ssg sso ssp ssr sss ssu suc sug suo sup sur sus suu ucc ucg uco ucp ucr ucs ucu ugc ugg ugo ugp ugr ugs ugu uoc uog uoo uop uor uos up- upc upg upo upp upr ups upu ur- urc urg uro urp urr urs uru usc usg uso usp usr uss usu uuc uug uur uus uuu