-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

cccc cccp cccu ccee ccgc ccgt ccpe ccpp ccpr ccrc ccre ccrg ccrp ccrt cctc cctt ccuc ccup ccut cec- cece cecp cect ceec cege cepc cepe cepp cepr cept cer- cerc cere cerp cert cet- cete cetp cgcc cgcg cger cgtp cgtu cpce cpcu cpep cper cpre cprt cptp cptr crcc crce crcr cre- crec cree creg crep cret creu crpc crrt crtc crtp crue crug crup crut ctcp ctec ctep ctge ctgu ctpp ctrc ctrp cucc cuce cuer cupe cupp cupr cure curr curt cut- cutc cute cutt eccc ecce ecct ecpg ecpp ecrc ecrr ecru ect- ectc eeee eerc eerg eetc eete eetu egcc egcg egcr egec egee eger egge eggp egpe egre egte epcc epec epee eper eppc eppp eprp epte ercc erce ercp erec erer eret erg- ergg erpe errc erre ertu eruc erur etcc etec etee eter etre ette ettu euer euge eur- eurc eure eurt gc-c gccc gcet gcpc gcrg gctc gece geep geer geet gege gegg gepe gere gert geru gete getg gett geue geup gggg gper gpgp gprp grcc grce grec gree greg grep gret greu grpc grrr grtc grue grug grur grut gtcr guep guer guge gugg gugu gure gurg gurr gurt guru gute gutt gutu pccc pcce pcep pcer pcgg pcpp pcrc pcre pcte pece pecr pect peec peep peer peet pegg pegu pepe per- perc pere perg perp perr pert peru pete petr pett peur peut pgcc pgce pger pgpu pgrc pgup ppcc pper pppp pprc ppru pptt ppur prcc prcp pre- prec pree preg prep pret preu prtc prtp prtr prue prut pruu ptcc pter pttc pu-e puce puer puet pueu pugu pupe pupu pur- pure purg purp purr puru put- pute putt putu puuc rccc rcep rcet rcgc rcpt rcrg rctc rctg recc rece recp recr rect recu reep reet rege regr regt regu repe repp repr rept repu rere rerg rert reru rete retr rett reue reup reut reuu rgtr rpet rrrr rtcc rtce rtcg rtee rttp ruce ruct ruer ruet ruge rugg rupe rupp rupt rurc rure rurp ruru rute rutt rutu tccc tccu tcep tctc tecr tect teec teer teet tegg tegt tegu tepe tepp tepu ter- terc tere terp terr teru tete tetr tett tetu teut tgcc tgtc tpcp tpeg tper tppp tppr tpte tptp tptr tput trcc tre- trec tree treg tret treu trge trpc trpe trpg trpp trtc trte trtr truc true trug trut truu ttcp tter tttt tucc tuer tuet tugg tugu tupe tupu turc ture turg turp turr turt turu tute tutt tutu u-rp uccp ucrc ucut ugcc ugcg ugep uggt ugur uguu uppc uppe uppp uppu upup ure- uret urge urgu urre urte urup urur urut utec utep uter uttu utug uucp uuuu

-tree c-p-c c-tec ccccc ccett ceere cegep cegge cepet cerc- cerce cerec cerer ceret cerge cerre certe cette cpctc crece creep creer cregg crepe crept crepu crete cretu creu- creue creup cruce cruet crupe crure cteep ctree cttee cueup cuper cupr- curce curer curet curre curug curup cutcu cutee cuter cutup eccup eeeee eepee egger egret eperc epure erceg erect erege erept erere errtu erte erter ertug eruct erupt etete etree etter eturu eucre eurre geere geert geete geeup gegge gerce gerre gertt getee geter gette getup grece grecu greer greet grege gregg grepe grete grett greup greut grgur grrrr grure gruut guce gucer guere gurge gurre gurur gutte p-rep pcept pcert pctct peece peege peere peert peete pepee peppe pept- pepup perce perec perer peret perge perre perte peruc perur petcu peter petr- petre petru pette petur peuce peure pgrep prece prepg prete pruce prute pter- ptere ptprc ptpre ptprg ptprr ptprt ptpru puett puget pupet puppe purce puree purer purge purre purte puter putre putt- putte puttu putup re-up recce recep recet recpt rect- recte recue recur recut reece reege reepe reere regec reger reget regge regtt regur regut repec repeg repet reppe