-er c-- ccc ccd cce ccr cct ccu ccz cdc cdd cde cdr cdt cdu cdz ce- cec ced cee cer cet ceu cez crc crd cre crr crt cru crz ctc ctd cte ctr ctt ctu ctz cuc cud cue cur cut cuu cuz cz- czc czd cze czt dcc dcd dce dcr dct dcu ddc ddd dde ddr ddt ddu ddz de- dec ded dee der det deu dez drc drd dre drr drt dru drz dtc dtd dte dtr dtt dtu dtz duc dud due dur dut duz dzd dze dzr dzu ec- ecc ecd ece ecr ect ecu ed- edc edd ede edr edt edu eec eed eee eer eet erc erd ere err ert eru erz etc etd ete etr ett etu etz eu- euc eud eue eur eut eze ezr ezz rcc rcd rce rcr rct rcu rdc rdd rde rdr rdt rdu re- rec red ree rer ret reu rez rrc rrd rrr rrt rru rtc rtd rte rtr rtt rtu rtz ruc rud rue rur rut ruu ruz rze tcc tcd tce tcr tct tcu tdc tdd tde tdr tdt tdu te- tec ted tee ter tet teu tez trc trd tre trr trt tru trz ttc ttd tte ttr ttt ttu tuc tud tue tur tut tuu tuz tzd tze tzu ucc ucd uce ucr uct ucu udc udd ude udr udt udu uec ued uee uer uet ur- urc urd ure urr urt uru urz utc utd ute utr utt utu utz uuc uue uur uut uuu uzu zce zdt zec zed zee zer zet zez zte ztr zuc zud zur zut zuz zzr zzt zzz

c-cd cccc cccu ccdc ccdr cced ccee ccrc ccre ccrt cctc cctt ccuc ccut cd-e cd-r cddr cdec cder cdre cec- cece cect cedd cede cedt cedu ceec cer- cerc cerd cere cert cet- cete ceze crcc crce crcr crcz crdc cre- crec cred cree cret creu crrt crtc crud crue crut cruz ctec ctrc cucc cuce cude cued cuer curd cure curr curt cut- cutc cute cutt dccc dcct dccu dctc dddd ddrc ddre dec- decc decd dece dect dedd dede dedu deed deer deet der- derc dere derr dete detr deue deur deut deze dred dree dret drue drut druu dtcc dted duce duct dudd dude dudu duer duet dure durt duru dute duur duut dzrr dztc dzud dzur dzze eccc ecce ecct ecdc eced ecrc ecrr ecru ect- ectc eddc edde ede- eder edru educ edur eede eedu eeee eerc eetc eete eetu eeze ercc erce erde erec ered erer eret erez errc erre ertu ertz eruc erur etcc etec etee eter etre ette ettu etuz eucd eude euer eur- eurc eure eurt ezed ezer ezuz rccc rcdc rcde rcet rcrd rctc rder recc recd rece recr rect recu recz redc redd rede redr redu reed reet rerd rere rert reru retd rete retr rett retz reue reut reuu reze rezu rred rrrr rtcc rtce rtdt rtee ruce ruct rudd rude rued ruer ruet ruez rurc rurd rure ruru rute rutt rutu ruud ruze tccc tccu tcdd tctc tecr tect tedd tede teec teed teer teet teez ter- terc tere terr teru tete tetr tett tetu tetz teut tezu tezz trcc tre- trec tred tree tret treu trez trtc trte trtr truc trud true trut truu tter tttt tucc tude tudu tuer tuet turc turd ture turr turt turu tute tutt tutu tuzu tuzz tzur tzut tzzt ucdc ucdd ucrc ucut uder udet udez uetz uezd urde urdu urdz ure- ured uret urre urte urur urut uruz utec uter uttu uuuu uzed uzer zctu zedd zede zert zete zeze zrce zrze zuce zude zurr zuru zuzu zzzz

-tree c-tec ccccc ccett cduce ceded ceder cedr- cedre ceede ceere cerc- cerce cerec cered cerer ceret cerre certe cette crece crede creed creer crete cretu creu- creue cruce crude cruet crure cruze ctree cttee cudde curce cured curer curet curre cutcu cutee cuter d-cru ddddd decet decez decur dedde dedee deder dedur dedut deece deede deere deetz derce derde dered derez derre derue deter detre dette detur deuce deure deut- deutz drdre dredd drede dreed drere druce drude druze druzz duded duder dudez duduc duere duerr duete duett dured duree durer duret durre durte durtu durze dutte duzce duzze e-dee ecczt edder eddre edere edred educe educt eeeee eerde erdec erdre erdut erect erede erere eretz erred errtu erte erter eruct etete etree etter etude eturu eucre eurre euzet recce reced recet rect- recte recue recur recut redde reder redur redzz reece reede reere reetz reeze rerde rere- reree reret rerez reted retee reter rette reuer reuet reute reuze rucer ruder rudze ruede ruere ruete ruetz rurde rurec ruter rutte ruutu teder teerd terce teret tereu terre tert- teter tetr- tette treed treer treet trere trete trett treut truce trude trued truer trute trzec ttttt tucet tuctu tucze tuder tudre tudur turcz turet turre turtu turut turze tutee tutte tuuru tzere tzute u-cee udder udert uderz uetze urdee urter uruce urucu urutu urzut uter- utter uttur uturu uuuuu uzere z-ter z-urc zeder zerde zerre zeuet zu-zu zucer zucre zzzed zzzzz

ceecee cerete ceruce creede creete creeze crudde cruded cruder crured cuddee curded curete curred currer curret curted curter cutcut cutted cuttee cutter czerce czudec de-err decede deceue decred decree decure decurt decute deduce deduct dedute deeded deedee deeder deezer derect derere derezz derrer derure detect deterr detete detrez detter deuced deurze deuter dreder dreetz druzec ducted dudder duerer dueted duetee duette durcet durzee duttee ecured educed eerect errett etcetc etrez ettutu eutere r-tree recced recede receed recrue recuer recure recurt redded redder reddur redere redred redted reduce reduct reducz redure reeded reeder reezed retece reteed reteer reteet retere retree retret retted retter rettur returu reuere reuter reutte rezzed rudder rudrur rurutu rutted ruttee rutter t-tree tedded tedder tedure teeder teetee teeter tercer tercet tercud terete terrer terret terter tertre terzet tetede tetete tetter teucer tr-rec treder treece treete tretee trette treuce truett tudder