-er -up c-- ccc cce ccg cco ccp ccr ccs cct ccu ce- cec cee ceg ceo cep cer ces cet ceu cgc cge cgg cgo cgp cgr cgs cgt cgu co- coc coe cog coo cop cor cos cot cou cpc cpe cpg cpo cpp cpr cps cpt cpu crc cre crg cro crp crr crs crt cru csc cse csg cso csp csr css cst csu ctc cte ctg cto ctp ctr cts ctt ctu cuc cue cug cuo cup cur cus cut cuu ec- ecc ece ecg eco ecr ecs ect ecu eec eee eeg eeo eep eer ees eet egc ege egg ego egp egr egs egt egu eo- eoc eoe eog eoo eop eor eos eot eou ep- epc epe epg epo epp epr eps ept epu erc ere erg ero erp err ers ert eru es- esc ese esg eso esp esr ess est esu etc ete etg eto etp etr ets ett etu eu- euc eue eug eup eur eus eut g-p gcc gce gcg gco gcp gcr gcs gct gcu ge- gec gee geg geo gep ger ges get geu ggc ggg ggo ggp ggr ggs ggt ggu goc goe gog goo gop gor gos got gou gpc gpe gpg gpo gpp gpr gps gpt gpu grc gre grg gro grp grr grs grt gru gsc gse gsg gso gsp gsr gss gst gsu gtc gte gtg gto gtp gtr gts gtt gtu gu- guc gue gug guo gup gur gus gut guu oc- occ ocg oco ocp ocr ocs oct ocu oec oee oeg oeo oep oer oes oet ogc oge ogg ogo ogp ogs ogt oo- ooc oog ooo oop oor oos oot op- opc ope opg opo opp opr ops opt or- orc ore org oro orp orr ors ort oru os- osc ose osg oso osp osr oss ost osu ot- otc ote otg oto otp otr ots ott otu ou- ouc oue ouo oup our ous out p-p pcc pce pcg pco pcp pcr pcs pct pcu pec pee peg peo pep per pes pet peu pgc pge pgg pgo pgp pgr pgs pgt poc poe pog poo pop por pos pot pou ppc ppe ppg ppo ppp ppr pps ppt ppu prc pre prg pro prp prr prs prt pru ps- psc pse psg pso psp psr pss pst psu pt- ptc pte ptg pto ptp ptr pts ptt ptu puc pue pug pup pur pus put puu rcc rce rcg rco rcp rcr rcs rct rcu re- rec ree reg reo rep rer res ret reu rgc rge rgg rgo rgp rgr rgs rgt roc roe rog roo rop ror ros rot rou rpc rpe rpg rpo rpp rpr rps rpt rpu rrc rrg rrp rrr rrs rrt rru rsc rse rsg rso rsp rsr rss rst rsu rtc rte rtg rto rtp rtr rts rtt rtu ruc rue rug ruo rup rur rus rut ruu scc sce scg sco scp scr scs sct scu se- sec see seg seo sep ser ses set seu sgc sge sgg sgo sgp sgr sgs sgt sgu soc soe sog soo sop sor sos sot sou spc spe spg spo spp spr sps spt spu sr- src sre srg sro srp srr srs srt ss- ssc sse ssg sso ssp ssr sss sst ssu stc ste stg sto stp str sts stt stu suc sue sug suo sup sur sus sut suu tcc tce tcg tco tcp tcr tcs tct tcu te- tec tee teg teo tep ter tes tet teu tgc tge tgg tgo tgp tgr tgs tgt tgu to- toc toe tog too top tor tos tot tou tpc tpe tpg tpo tpp tpr tps tpt tpu trc tre trg tro trp trr trs trt tru tsc tse tsg tso tsp tsr tss tst tsu ttc tte ttg tto ttp ttr tts ttt ttu tuc tue tug tuo tup tur tus tut tuu ucc uce ucg uco ucp ucr ucs uct ucu uec uee ueg uep uer ues uet ugc uge ugg ugo ugp ugr ugs ugt ugu uoc uoe uog uoo uop uor uos uot up- upc upe upg upo upp upr ups upt upu ur- urc ure urg uro urp urr urs urt uru usc use usg uso usp usr uss ust usu utc ute uto utp utr uts utt utu uuc uue uug uur uus uut uuu