-er -up c-- ccc cce ccl ccp ccr cct ccu ce- cec cee cel cep cer cet ceu cl- clc cle cll clp clr clt clu cpc cpe cpl cpp cpr cpt cpu crc cre crl crp crr crt cru ctc cte ctl ctp ctr ctt ctu cuc cue cul cup cur cut cuu ec- ecc ece ecl ecr ect ecu eec eee eel eep eer eet elc ele ell elp elr elt elu ep- epc epe epl epp epr ept epu erc ere erl erp err ert eru etc ete etl etp etr ett etu eu- euc eue eul eup eur eut l-p lcc lce lcl lcp lcr lct lcu lec lee lel lep ler let leu llc lle lll llp llr llt llu lpc lpe lpl lpp lpr lpt lpu lrc lrp lrr lrt lru ltc lte ltl ltp ltr ltt ltu luc lue lul lup lur lut luu p-p pcc pce pcl pcp pcr pct pcu pec pee pel pep per pet peu plc ple pll plp plr plt plu ppc ppe ppl ppp ppr ppt ppu prc pre prl prp prr prt pru pt- ptc pte ptl ptp ptr ptt ptu puc pue pul pup pur put puu rcc rce rcl rcp rcr rct rcu re- rec ree rel rep rer ret reu rlc rle rll rlp rlr rlt rlu rpc rpe rpl rpp rpr rpt rpu rrc rrl rrp rrr rrt rru rtc rte rtl rtp rtr rtt rtu ruc rue rup rur rut ruu tcc tce tcl tcp tcr tct tcu te- tec tee tel tep ter tet teu tlc tle tll tlp tlr tlt tlu tpc tpe tpl tpp tpr tpt tpu trc tre trl trp trr trt tru ttc tte ttl ttp ttr ttt ttu tuc tue tul tup tur tut tuu ucc uce ucl ucp ucr uct ucu uec uee uel uep uer uet ulc ule ull ulp ulr ult ulu up- upc upe upp upr upt upu ur- urc ure url urp urr urt uru utc ute utl utp utr utt utu uuc uue uur uut uuu

cccc cccl cccp cccu ccee ccel cclc ccpe ccpl ccpp ccpr ccrc ccre ccrl ccrp ccrt cctc cctl cctt ccuc ccup ccut cec- cece cecp cect ceec ceel cel- celc cele cell celt cepc cepe cepp cepr cept cer- cerc cere cerl cerp cert cet- cete cetp clec clee clep cler clet cleu clpp cltc clue clut cpce cpcu cpep cper cplc cpre cprt cptp cptr crcc crce crcr cre- crec cree crep cret creu crpc crrt crtc crtl crtp crue crup crut ctcp ctec ctep ctle ctpp ctrc ctrl ctrp cucc cuce cuer culc cule cull culp cult cupe cupl cupp cupr cure curl curr curt cut- cutc cute cutt e-cl eccc ecce eccl ecct eclt ecpp ecrc ecrl ecrr ecru ect- ectc eeee eele eerc eetc eete eetu el-p elce elec elee eler elet elle ellu elpe elte elue elul epcc epec epee eper eple epll eppc eppp eprp epte ercc erce ercp erec erel erer eret erle erll erpe errc erre ertl ertu eruc erur etcc etec etee etel eter etre ette ettu euer eule eur- eurc eure eurt lccc lcce lcer lcpc lcpl lcrl lctl le-u lece lect leel leep leer leet lele lell lelu lepe lepp lept lerc lere lerp lert lete lett leuc leur llcc llet lleu lllc llll lpec lppl lprp lrpu lrrc lrrr ltcc ltee lttc lttr ltuc luce luer lule lull lulu lupe lupu lure lurt lute luup pccc pcce pccl pcep pcer pcll pcpp pcrc pcre pcrl pcte pece pecl pecr pect peec peel peep peer peet pel- pele pell pelt pelu pepe per- perc pere perl perp perr pert peru pete petr pett peul peur peut plcc plce ple- plec plee plet pleu plpp pltt plue plup plur ppcc pper pple pppp pprc ppru pptt ppur prcc prcp pre- prec pree prel prep pret preu prle prlr prtc prtp prtr prue prut pruu ptcc ptcl pter pttc pu-e puce puel puer puet pueu pule pull pulp pult pulu pupe pupl pupu pur- pure purl purp purr puru put- pute putt putu puuc rccc rcep rcet rcle rcpt rctc recc rece recp recr rect recu reel reep reet rele rell relp relt repe repl repp repr rept repu rere rert reru rete retr rett reue reul reup reut reuu rlee rleu rpet rrle rrrr rtcc rtce rtee rtle rtlt rttp ruce ruct ruel ruer ruet rule rull rupe rupp rupt rurc rure rurp ruru rute rutl rutt rutu tccc tccu tcep tctc tcul tecl tecr tect teec teel teer teet tel- telc tele tell telt telu tepe tepp tepu ter- terc tere terp terr teru tete tetr tett tetu teut tpcp tper tppp tppr tpte tptp tptr tput trcc trcl tre- trec tree tret treu trpc trpe trpp trtc trte trtr truc true trut truu ttcp tter tttt ttul tucc tuel tuer tuet tule tull tulp tulu tupe tupu turc ture turp turr turt turu tute tutl tutt tutu u-rp uccp ucel ucrc ucut uele uell ulcc ulee ulle ullr ultt ulul uppc uppe uppp uppu uptl upup ure- uret urle urre urte urup urur urut utec utel utep uter uttu uucp uulu uuuu

-tree c-p-c c-tec ccccc ccell ccett ccrcl ccrel cctrl ceele ceere celer cell- celle celte cepet cerc- cerce cerec cerer ceret cerre certe cette cleer cleet clepe clept clerc clere clete clett clue- cluer clupe clurr clute clutt cpctc crece creel creep creer crele crell crepe crept crepu crete cretu creu- creue creul creup crrel cruce cruel cruet crule crull crupe crure cteep ctree ctrlc cttee ctulu cueup culet culle cullu culpe culur cupel cuper cuple cupr- cupul curce curel curer curet curle curll curlu curre curup cutcu cutee cuter cutle cutup cuuel eccle eccup eeeee eeler eepee elect eleet elele eleut ellel eller ellet ellul elpee elper elrec elulu eluru elute eperc epure erect erept erere erpel errtu erte ertel erter eruct erupt etete etree ettel etter ettle