-up c-- ccc ccg cck cco ccp ccr ccu cgc cgg cgo cgp cgr cgu ckc cko co- coc cog cok coo cop cor cou cpc cpg cpk cpo cpp cpr cpu crc crg crk cro crp crr cru cuc cug cuk cuo cup cur cuu g-p gcc gcg gck gco gcp gcr gcu ggc ggg ggo ggp ggr ggu gko gkp goc gog gok goo gop gor gou gpc gpg gpk gpo gpp gpr gpu grc grg grk gro grp grr gru gu- guc gug guk guo gup gur guu kcc kcg kck kcp kcr kcu kgc kgo kgp kgu kkc kkk kkp kkr kku koc kog kok koo kop kor kou kpc kpk kpo kpp kpr kpu krc krg krk kro krp krr kru kuc kug kuk kup kur kuu oc- occ ocg ock oco ocp ocr ocu ogc ogg ogo ogp okc okg okk oko okp okr oku oo- ooc oog ook ooo oop oor op- opc opg opk opo opp opr or- orc org ork oro orp orr oru ou- ouc ouk ouo oup our p-p pcc pcg pck pco pcp pcr pcu pgc pgg pgk pgo pgp pgr pkc pkg pko pkp pkr pku poc pog pok poo pop por pou ppc ppg ppk ppo ppp ppr ppu prc prg prk pro prp prr pru puc pug puk pup pur puu rcc rcg rco rcp rcr rcu rgc rgg rgk rgo rgp rgr rkc rkg rkk rko rkp rku roc rog rok roo rop ror rou rpc rpg rpk rpo rpp rpr rpu rrc rrg rrk rrp rrr rru ruc rug ruk ruo rup rur ruu ucc ucg uck uco ucp ucr ucu ugc ugg ugk ugo ugp ugr ugu ukc ukk ukp ukr uku uoc uog uok uoo uop uor up- upc upg upk upo upp upr upu ur- urc urg urk uro urp urr uru uuc uug uur uuu