-er c-- ccc cce ccg cco ccr cct ccu ce- cec cee ceg ceo cer cet ceu cgc cge cgg cgo cgr cgt cgu co- coc coe cog coo cor cot cou crc cre crg cro crr crt cru ctc cte ctg cto ctr ctt ctu cuc cue cug cuo cur cut cuu ec- ecc ece ecg eco ecr ect ecu eec eee eeg eeo eer eet egc ege egg ego egr egt egu eo- eoc eoe eog eoo eor eot eou erc ere erg ero err ert eru etc ete etg eto etr ett etu eu- euc eue eug eur eut gcc gce gcg gco gcr gct gcu ge- gec gee geg geo ger get geu ggc ggg ggo ggr ggt ggu goc goe gog goo gor got gou grc gre grg gro grr grt gru gtc gte gtg gto gtr gtt gtu gu- guc gue gug guo gur gut guu oc- occ ocg oco ocr oct ocu oec oee oeg oeo oer oet ogc oge ogg ogo ogt oo- ooc oog ooo oor oot or- orc ore org oro orr ort oru ot- otc ote otg oto otr ott otu ou- ouc oue ouo our out rcc rce rcg rco rcr rct rcu re- rec ree reg reo rer ret reu rgc rge rgg rgo rgr rgt roc roe rog roo ror rot rou rrc rrg rrr rrt rru rtc rte rtg rto rtr rtt rtu ruc rue rug ruo rur rut ruu tcc tce tcg tco tcr tct tcu te- tec tee teg teo ter tet teu tgc tge tgg tgo tgr tgt tgu to- toc toe tog too tor tot tou trc tre trg tro trr trt tru ttc tte ttg tto ttr ttt ttu tuc tue tug tuo tur tut tuu ucc uce ucg uco ucr uct ucu uec uee ueg uer uet ugc uge ugg ugo ugr ugt ugu uoc uoe uog uoo uor uot ur- urc ure urg uro urr urt uru utc ute uto utr utt utu uuc uue uug uur uut uuu

cccc cccu ccee ccgc ccgt ccoc ccrc ccre ccrg ccrt cctc cctt ccuc ccut cec- cece ceco cect ceec cege cego ceor ceou cer- cerc cere cero cert cet- cete ceto cgcc cgcg cger cgro cgtu coce coco coct cocu cogo coot cor- corc core corg coro corr cort cotc cote coto cott cotu coue cour cout crcc crce crcr cre- crec cree creg creo cret creu croc croe croo cror crot crrt crtc crue crug crut ctec ctge ctgu ctor ctot ctrc cucc cuce cuer cure curo curr curt cut- cutc cute cuto cutt eccc ecce ecco ecct eco- ecog ecot ecou ecrc ecrr ecru ect- ectc ecto eeee eeoc eerc eerg eero eetc eete eetu egcc egcg egcr egec egee eger egge eggo ego- egor egot egre egte eore eotc eoto ercc erce erec erer eret erg- ergg ergo eroc eroe eroo errc erre erro ertu eruc erur etcc etco etec etee eter etoe etre etro ette etto ettu euer euge eur- eurc eure euro eurt gc-c gccc gcet gcrg gctc gece geer geet gege gegg gego geo- geog gere gero gert geru gete getg geto gett geue gggg goce gocr goer gogo goog goor goot gore gorg goro gorr gort gote goto gott gou- goug gour gout grcc grce grec gree greg gret greu groc grog groo gror grot grou grrr grtc grue grug grur grut gtco gtcr gtoe guer guge gugg gugu gure gurg guro gurr gurt guru gute guto gutt gutu o-eo occc occt oce ocee ocet ocre ocro ocrr oct- octe octo ocur oec- oecc oeec oere ogee oger ogge ogog ogou ogre ogro oocr ooer oooo oore oort orce orco ore- orec oreg oreo orer orge orgo oro- oroe oror orot orro ortc orte orto otee oter oto- otoe otog otoo otor otre otro otte otto ottu otur oucc ouer ouge our- oure ouro ourt out- oute outo ouu- rccc rcet rcgc rcrg rctc rctg recc rece recr rect recu reet rege rego regr regt regu reog reot reou rere rerg rero rert reru rete reto retr rett reue reut reuu rgtr rocc roce roco roeg roer roet roge rogg rogo roog roor root rorc rore roro rort roru rotc rote rotg roto rotr rott roue rout rrrr rtcc rtce rtcg rtee ruce ruct ruer ruet ruge rugg rurc rure ruro ruru rute ruto rutt rutu tccc tccu tctc teco tecr tect teec teer teet tegg tego tegt tegu teor ter- terc tere tero terr teru tete teto tetr tett tetu teut tgcc tgtc toce toco toee toer toet toge togo togr togt toor toot torc tore torg toro torr tort toru totc tote toto totr tott toug tour tout trcc tre- trec tree treg treo tret treu trge troc troe trog troo trot trou trtc trte trtr truc true trug trut truu tteo tter ttoe tttt tucc tuco tuer tuet tugg tugu tuor turc ture turg turo turr turt turu tute tuto tutt tutu tuuo ucrc ucut ugcc ugcg ugeo uggo uggt ugro ugur uguu uocc uor- uore ure- uret urge urgu uro- uroo urre urte urur urut utec uter utor utto uttu utug uuoc uuuu

-tree c-cor c-tec ccccc ccett ceco- ceere cegge ceoce ceoor cerc- cerce cerco cerec cerer ceret cerge cero- ceroc cerou cerre cerro certe ceto- cette co-co cocc- cocce cocco coceo cocto cocur coete coeur cogue cooee cooer coore coorg coote corce core- coree corer coreu corge coro- corot corre corte corto coter cott- cotte cotto cottu couco couer coure court couru couto coutu crece creer cregg creo- creot crete cretu creu- creue croce croco crooe croot crore crote crott crout cruce cruet cruor crure ctree cttee cuero cueto cuoco cuore curce curer curet curre curro curto curug cutco cutcu cutee cuter cutro cutto ecto- ector ectot eeeee egger egret eorre erceg erect erege erere ergo- ergot eroge eroor erore eroto error errtu erte erter ertug eruct erugo etete etoro etour etree etrog etter eturu eucre