-er c-- ccc cce cco ccr cct ccu ce- cec cee ceo ceq cer cet ceu co- coc coe coo coq cor cot cou cqc cqo cqt crc cre cro crq crr crt cru ctc cte cto ctq ctr ctt ctu cuc cue cuo cuq cur cut cuu ec- ecc ece eco ecq ecr ect ecu eec eee eeo eer eet eo- eoc eoe eoo eoq eor eot eou eqe eqq eqt equ erc ere ero erq err ert eru etc ete eto etr ett etu eu- euc eue eur eut oc- occ oco ocr oct ocu oec oee oeo oer oet oo- ooc ooo oor oot oqo or- orc ore oro orr ort oru ot- otc ote oto otr ott otu ou- ouc oue ouo our out qcc qco qct qec qee qeo qet qoo qor qqq qqu qrc qre qrt qru qtc qto qtq qtr qu- que quo qur qut rcc rce rco rcr rct rcu re- rec ree reo req rer ret reu roc roe roo ror rot rou rqc rrc rrq rrr rrt rru rtc rte rto rtq rtr rtt rtu ruc rue ruo rur rut ruu tcc tce tco tcr tct tcu te- tec tee teo teq ter tet teu to- toc toe too toq tor tot tou tqo trc tre tro trq trr trt tru ttc tte tto ttr ttt ttu tuc tue tuo tur tut tuu ucc uce uco ucr uct ucu uec uee uer uet uoc uoe uoo uor uot ur- urc ure uro urr urt uru utc ute uto utr utt utu uuc uue uur uut uuu

cccc cccu ccee ccoc ccrc ccre ccrt cctc cctt ccuc ccut cec- cece ceco cect ceec ceor ceou cer- cerc cere cero cert cet- cete ceto coce coco coct cocu coot cor- corc core coro corr cort cotc cote coto cott cotu coue cour cout crcc crce crcr cre- crec cree creo cret creu croc croe croo cror crot crrt crtc crue crut ctec ctor ctot ctrc cucc cuce cucq cuer cure curo curr curt cut- cutc cute cuto cutt eccc ecce ecco ecct eco- ecot ecou ecrc ecrr ecru ect- ectc ecto eeee eeoc eerc eero eetc eete eetu eore eotc eoto equ- eque equo ercc erce erec erer eret eroc eroe eroo errc erre erro ertu eruc erur etcc etco etec etee eter etoe etre etro ette etto ettu euer eur- eurc eure euro eurt o-eo occc occt oce ocee ocet ocre ocro ocrr oct- octe octo ocur oec- oecc oeec oere oocr ooer oooo oore oort oque orce orco ore- orec oreo orer oro- oroe oror orot orro ortc orte orto otee oter oto- otoe otoo otor otre otro otte otto ottu otur oucc ouer our- oure ouro ourt out- oute outo outq ouu- qcue qere qero qerq qore qqqq qucu quee quer quet quoc quor quot quro qute quu- rccc rcet rctc recc rece recr rect recu reet reot reou rere rero rert reru rete reto retr rett reue reut reuu rocc roce roco roer roet roor root rorc rore roro rort roru rotc rote roto rotr rott roue rout rrrr rtcc rtce rtee ruce ruct ruer ruet rurc rure ruro ruru rute ruto rutt rutu tccc tccu tctc teco tecr tect teec teer teet teor ter- terc tere tero terr teru tete teto tetr tett tetu teut toce toco toee toer toet toor toot torc tore toro torq torr tort toru totc tote toto totr tott tour tout trcc tre- trec tree treo tret treu troc troe troo trot trou trtc trte trtr truc true trut truu tteo tter ttoe tttt tucc tuco tuer tuet tuor turc ture turo turr turt turu tute tuto tutt tutu tuuo ucrc ucut uocc uor- uore uqcc ure- uret uro- uroo urre urte uruq urur urut utec uter utor utto uttu utuq uuoc uuuu

-tree c-cor c-tec ccccc ccett ceco- ceere ceoce ceoor cerc- cerce cerco cerec cerer ceret cero- ceroc cerou cerre cerro certe ceto- cette co-co cocc- cocce cocco coceo cocto cocur coete coeur cooee cooer coore coote coque coquo corce core- coree corer coreu coro- corot corre corte corto coter cott- cotte cotto cottu couco couer coure court couru couto coutu cqout crece creer creo- creot crete cretu creu- creue croce croco crocq crooe croot crore crote crott crout cruce crucq cruet cruor crure ctree cttee cuero cueto cuoco cuore curce curer curet curre curro curto cutco cutcu cutee cuter cutro cutto ecto- ector ectot eeeee eorre erect erere eroor erore eroto error errtu erte erter eruct etete etoro etour etree etter eturu eucre euro- eurre occur ocoee ocote ocree octet octo- octor oeco- oo-er oocre ooooo orcet oreco oreo- orere orero oroco oroer orout orque orret orter ortet ortoo oruce oruro orutu otere otero otoce ototo otour otter ottur oture ouert ouoro ource ourcq oure- outer outre outro outto q-tee qorcu qoroq qoruq queer queet queor quere quero quert quete queue quore quote quott qureq quruq quurt r-co- recce recco recet rect- recte recto recue recur recut reece reere reque rere- reree reret retee reter retro rette retto reuer reuet reute ro-ro rocco rocor rocou roero rooer roore roote rooue roque rorer roter roto- rotor rotot rotte rotto rouer rouet roure route routt rucer rucuq ruere ruete rurec ruter rutte ruutu tecou teoco terce terco teret tereu teror terre terro tert- teruo teter tetr- tetro tette teuto tocco toco- tocut toece toerr toeto toore toque torce toreo toret toroq torre torro torte torto tortu torue toter toto- totoe totoo totte toure touro toute treco treer treet trere trete trett treut troco troee trott troue trout truce truco truer truro trute ttttt tucet tuctu tuero tuotu tuqtu tuque turco turet turoc turot turre turro turtu turuq turut tutee tuteo tutor tutte tutto tuuru u-cee ucero uouee uqcrq ureo- urour urter uruce urucu urutu uter- utero utro- utror utter uttur uturu ututo uuuuu

ceecee cerco- cerete cerote certco ceruce cetore cocco- cococo cocto- coerce coo-er coocoo cooter coquet corect corour corque