-er c-- ccc cce cck ccr cct ccu ce- cec cee cek cer cet ceu ckc ckt crc cre crk crr crt cru ctc cte ctk ctr ctt ctu cuc cue cuk cur cut cuu ec- ecc ece eck ecr ect ecu eec eee eek eer eet ekc eke ekr ekt eku erc ere erk err ert eru etc ete etk etr ett etu eu- euc eue eur eut k-t kcc kce kck kcr kct kcu ke- kec kee kek ker ket kkc kke kkk kkr kkt kku krc krk krr krt kru ktc kte ktk ktr ktt ktu kuc kue kuk kur kut kuu rcc rce rcr rct rcu re- rec ree rek rer ret reu rkc rke rkk rkt rku rrc rrk rrr rrt rru rtc rte rtk rtr rtt rtu ruc rue ruk rur rut ruu tcc tce tck tcr tct tcu te- tec tee tek ter tet teu tkc tke tkk tkr tkt trc tre trk trr trt tru ttc tte ttk ttr ttt ttu tuc tue tuk tur tut tuu ucc uce uck ucr uct ucu uec uee uer uet ukc uke ukk ukr uku ur- urc ure urk urr urt uru utc ute utk utr utt utu uuc uue uur uut uuu

cccc cccu ccee ccrc ccre ccrt cctc cctt ccuc ccut cec- cece cect ceec ceke cer- cerc cere cert cet- cete ckck cker ckrc crcc crce crcr cre- crec cree cret creu crkc crrt crtc crue cruk crut ctec ctrc cucc cuce cuck cuek cuer cuk- cuke cure curr curt cut- cutc cute cutt eccc ecce ecct ecrc ecrr ecru ect- ectc eeee eeke eerc eetc eete eetu ekek eker eket ekur ercc erce erec erer eret erke errc erre ertu eruc erur etcc etec etee eter etre ette ettu euer eur- eurc eure eurt kccc kcck kccr kcct kccu kcec kcee kcet kceu kckc kckk kckr kcrc kcrr kcrt kcru kctc kcte kctu kcue kcuk keck kecr keek keer keet kekc keke keku ker- kerc kere kerk kerr kert keru ket- ketc kete ketk ketr kett ketu keur kkck kkcr kkct kkkk kkrc kkre kkrk kkrr kkrt kktc kktk kktu kkut kkuu krcc krce krcu krec kree krek kret kreu krkc krke krkk krkr krku krrc krre krrk krrr krrt krtc krtk krtr kruc krue kruk krur ktcc ktce ktck ktcr ktec ktee ktek ktkc ktke ktkk ktkr ktkt ktku ktrc ktre ktrk ktrr ktrt ktru kttc kttk kttr kttt kttu ktuc kucc kuce kucr kuek kueu kuke kukk kuku kure kurk kurr kurt kuru kute kutr kutt kutu kuuk kuur kuuu rccc rcet rctc recc rece reck recr rect recu reek reet reke rekt rere rert reru rete retr rett reue reuk reut reuu rrrr rtcc rtce rtee ruce ruck ruct ruer ruet ruke rukk ruku rurc rure ruru rute rutt rutu tccc tccu tctc teck tecr tect teec teek teer teet teke ter- terc tere terk terr teru tete tetr tett tetu teuk teut trcc tre- trec tree trek tret treu trtc trte trtr truc true truk trut truu tter tttt tucc tuck tuer tuet tuke turc ture turk turr turt turu tute tutt tutu ucrc ucut ukcc ukek ukeu ukrc ukur ure- uret urke urre urte uruk urur urut utec uter uttu uuuu

-tree c-tec ccccc ccett ceere cerc- cerce cerec cerer ceret cerke cerre certe cette crece creek creer creke crete cretu creu- creue cruce cruck cruet cruke crure ctree cttee cucuk cuker curce curer curet curre cutcu cutee cuter ecker eecke eeeee ekker ekuku ekuru erect erere erkec errtu erte erter eruct eruke eteke etete etree etrek etter eturu eucre eurre k-ute kecer keere kekec kerek keret kerre kertu ketek keter kette kreek kreke krete kreuk kucer kucuk kukec kukur kurek kurku kurre kurte kuruc kuruk kutte kuttu kutur recce recet recke rect- recte recue recur recut reece reere rekke rere- reree reret retee reter rette reuer reuet reute rt-rk rucer ruere ruete rukke rurec ruter rutte ruutu tcutk teket tekke terce terek teret tereu terre tert- teter tetr- tette treck treer treet trere trete trett treut truce truck truer truke trute ttttt tucet tucke tuctu tukur turck turek turet turku turre turtu turut tutee tutku tutte tuuru u-cee uceku ukeke ukert urker urkut urter uruce urucu urutu uter- utter uttur uturu uuuuu

ceecee cerete ceruce creeke creete creket curete currer curret curter cutcut cuttee cutter eckert eerect erketu errett etcetc ettutu eutere k-tree keeker kekkut kereru kerker kerkuk kertee ketter ketuke keuruu kreker kretek krueck kukere kurkcu kurree kururu kutke kutter r-tree recrue recuer recure recurt reeker rekrut retece reteer reteet retere retree retret retter rettur returu reuere reuter reutte rucker rukutu rurkee rurutu ruttee rutter t-tree teetee teeter teeuck tekrur tercer tercet terete terrer terret terter tertre tetete tetter teucer tr-rec treck- treece treete treker tretee trette tretuk treuce truett truker tucker tucket tuktuk tureck turker turret turtuk turtur turucu tururu tuteur tutter tuttut uecker ureter urette uteute utukku utukur

cert-ee crecket creetur crekett creuett crutter curette currere ekekete erecter erukkur kee-kee kreeker kurkure recrute recurer reerect rekeure reteere reterre retrete rettert reutter ructure tec-tec tecture teetuck terere terreer terrere tettete trecker treetee trekker trettre truckee tuckett tucuru tuk-tuk tut-tut utterer

cekerek cucurucu curreter curucucu ketterer kukukuku kukuruku kurukuru recetter recurrer rekeuere teketeke teruteru tucutucu tukutuku

keek-keek tucu-tucu tuku-tuku

cerre-tree kukkurukuu terukkuttu

cutercutter

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