-er -up c-- ccc cce ccg ccp ccr cct ccu ce- cec cee ceg cep cer cet ceu cgc cge cgg cgp cgr cgt cgu cpc cpe cpg cpp cpr cpt cpu crc cre crg crp crr crt cru ctc cte ctg ctp ctr ctt ctu cuc cue cug cup cur cut cuu ec- ecc ece ecg ecr ect ecu eec eee eeg eep eer eet egc ege egg egp egr egt egu ep- epc epe epg epp epr ept epu erc ere erg erp err ert eru etc ete etg etp etr ett etu eu- euc eue eug eup eur eut g-p gcc gce gcg gcp gcr gct gcu ge- gec gee geg gep ger get geu ggc ggg ggp ggr ggt ggu gpc gpe gpg gpp gpr gpt gpu grc gre grg grp grr grt gru gtc gte gtg gtp gtr gtt gtu gu- guc gue gug gup gur gut guu p-p pcc pce pcg pcp pcr pct pcu pec pee peg pep per pet peu pgc pge pgg pgp pgr pgt ppc ppe ppg ppp ppr ppt ppu prc pre prg prp prr prt pru pt- ptc pte ptg ptp ptr ptt ptu puc pue pug pup pur put puu rcc rce rcg rcp rcr rct rcu re- rec ree reg rep rer ret reu rgc rge rgg rgp rgr rgt rpc rpe rpg rpp rpr rpt rpu rrc rrg rrp rrr rrt rru rtc rte rtg rtp rtr rtt rtu ruc rue rug rup rur rut ruu tcc tce tcg tcp tcr tct tcu te- tec tee teg tep ter tet teu tgc tge tgg tgp tgr tgt tgu tpc tpe tpg tpp tpr tpt tpu trc tre trg trp trr trt tru ttc tte ttg ttp ttr ttt ttu tuc tue tug tup tur tut tuu ucc uce ucg ucp ucr uct ucu uec uee ueg uep uer uet ugc uge ugg ugp ugr ugt ugu up- upc upe upg upp upr upt upu ur- urc ure urg urp urr urt uru utc ute utp utr utt utu uuc uue uug uur uut uuu