-up c-- ccc ccf ccg cco ccp ccr ccs ccu cfc cff cfg cfo cfp cfr cfs cfu cgc cgg cgo cgp cgr cgs cgu co- coc cof cog coo cop cor cos cou cpc cpf cpg cpo cpp cpr cps cpu crc crf crg cro crp crr crs cru csc csf csg cso csp csr css csu cuc cuf cug cuo cup cur cus cuu fcc fcf fcg fco fcp fcr fcs fcu ffc fff ffg ffo ffp ffr ffs ffu fgc fgf fgg fgp fgr fgs foc fof fog foo fop for fos fou fpc fpg fpo fpp fpr fps fpu frc frf frg fro frp frr frs fru fsc fsf fsg fso fsp fsr fss fsu fuf fug fuo fup fur fus fuu g-p gcc gcf gcg gco gcp gcr gcs gcu gfc gff gfo gfp gfr gfs ggc ggg ggo ggp ggr ggs ggu goc gof gog goo gop gor gos gou gpc gpf gpg gpo gpp gpr gps gpu grc grf grg gro grp grr grs gru gsc gsf gsg gso gsp gsr gss gsu gu- guc guf gug guo gup gur gus guu oc- occ ocf ocg oco ocp ocr ocs ocu of- ofc off ofg ofo ofp ofr ofs ofu ogc ogf ogg ogo ogp ogs oo- ooc oof oog ooo oop oor oos op- opc opf opg opo opp opr ops or- orc orf org oro orp orr ors oru os- osc osf osg oso osp osr oss osu ou- ouc ouf ouo oup our ous p-p pcc pcf pcg pco pcp pcr pcs pcu pfc pff pfg pfo pfp pfr pfs pfu pgc pgf pgg pgo pgp pgr pgs poc pof pog poo pop por pos pou ppc ppf ppg ppo ppp ppr pps ppu prc prf prg pro prp prr prs pru ps- psc psf psg pso psp psr pss psu puc puf pug pup pur pus puu rcc rcf rcg rco rcp rcr rcs rcu rfc rff rfg rfo rfp rfr rfs rfu rgc rgf rgg rgo rgp rgr rgs roc rof rog roo rop ror ros rou rpc rpf rpg rpo rpp rpr rps rpu rrc rrf rrg rrp rrr rrs rru rsc rsf rsg rso rsp rsr rss rsu ruc ruf rug ruo rup rur rus ruu scc scf scg sco scp scr scs scu sfc sff sfg sfo sfp sfr sfs sfu sgc sgf sgg sgo sgp sgr sgs sgu soc sof sog soo sop sor sos sou spc spf spg spo spp spr sps spu sr- src srf srg sro srp srr srs ss- ssc ssf ssg sso ssp ssr sss ssu suc suf sug suo sup sur sus suu ucc ucf ucg uco ucp ucr ucs ucu ufc uff ufg ufo ufp ufr ufs ufu ugc ugf ugg ugo ugp ugr ugs ugu uoc uog uoo uop uor uos up- upc upf upg upo upp upr ups upu ur- urc urf urg uro urp urr urs uru usc usf usg uso usp usr uss usu uuc uug uur uus uuu