-er c-- ccc cce ccr ccs cct ccu ccv ce- cec cee cer ces cet ceu cev crc cre crr crs crt cru crv csc cse csr css cst csu csv ctc cte ctr cts ctt ctu ctv cuc cue cur cus cut cuu cuv cvc cve cvr cvs cvt cvu cvv ec- ecc ece ecr ecs ect ecu ecv eec eee eer ees eet eev erc ere err ers ert eru erv es- esc ese esr ess est esu esv etc ete etr ets ett etu etv eu- euc eue eur eus eut euv evc eve evr evs evt evv rcc rce rcr rcs rct rcu rcv re- rec ree rer res ret reu rev rrc rrr rrs rrt rru rsc rse rsr rss rst rsu rsv rtc rte rtr rts rtt rtu rtv ruc rue rur rus rut ruu ruv rvc rve rvr rvs rvt rvu rvv scc sce scr scs sct scu scv se- sec see ser ses set seu sev sr- src sre srr srs srt srv ss- ssc sse ssr sss sst ssu ssv stc ste str sts stt stu stv suc sue sur sus sut suu suv svc sve svr svs svt svu svv tcc tce tcr tcs tct tcu tcv te- tec tee ter tes tet teu tev trc tre trr trs trt tru trv tsc tse tsr tss tst tsu tsv ttc tte ttr tts ttt ttu ttv tuc tue tur tus tut tuu tuv tvc tve tvr tvs tvt tvu ucc uce ucr ucs uct ucu ucv uec uee uer ues uet ur- urc ure urr urs urt uru usc use usr uss ust usu usv utc ute utr uts utt utu utv uuc uue uur uus uut uuu uvc uve uvs uvu uvv v-e vcc vce vcr vcs vct vcu vec vee ver ves vet veu vrc vre vrr vrs vrt vru vsc vse vsr vss vst vsu vsv vtc vte vtr vts vtt vtu vtv vue vur vus vut vuv vvc vvr vvs vvt vvv

cccc cccs cccu cccv ccee ccrc ccre ccrs ccrt ccss ccst cctc cctt cctv ccuc ccus ccut ccvs cec- cece cecs cect ceec cees cer- cerc cere cers cert cesc cese cesr cess cest cet- cete cets cetv crcc crce crcr cre- crec cree cres cret creu crrt crss crst crtc crts crtv crue crus crut cscc csce cscr cscs csec csee cser cset csrc csrs csse cssr cstc cstr csts csur csus ctec ctrc ctrs ctsc ctss ctsu ctts ctvt cucc cuce cuer cues cure curr curs curt cuss cust cusu cut- cutc cute cuts cutt cutv cuve cvcc cver cvet cvrr cvss cvte eccc ecce ecct eces ecrc ecrr ecru ecrv ecsc ecse ecss ecsu ect- ectc ects ectv ecus eecs eeee eees eerc eers eese eetc eete eets eetu ercc erce erec erer eres eret erev errc erre errs erse erst erts ertu eruc erur erus eruv erve esce escr escs escu esee eser eses eset esse esst essu estc este estr ests estv esus etcc etcs etec etee eter etes etre etsu ette ettu euer eur- eurc eure eurt euse ever eves evet evre evrs evsc evst rccc rccs rcet rcsc rcss rctc rcts rctv rcuv rcvr rcvs recc rece recr recs rect recu rees reet reev rere rers rert reru rese ress rest rete retr rets rett reue reus reut reuu reve revs rrrr rscc rscs rsee rsre rsts rstu rtcc rtce rtee rtes rtss rtts rtve ruce ruct ruer rues ruet rurc rure rurs ruru ruse russ rust rusu rute ruts rutt rutu ruve ruvu rv-c rver s-vt sccc scce sccs scct scec scee scer scet scr- scrc scre scrs scsc scsr scst scsu sctc sctr scts sctv scur scut se-c se-e se-s se-t se-u sec- secc sece secr secs sect secu secv seec seer sees seet seeu serc sere serr sers sert seru serv sesc sese sess sest set- setc sete sets sett seur seve srcc srct srec sres srtr srtv sscc ssce sscs ssec ssee sses sset ssrc ssrs sssc ssss sstc ssts st-v stcc stcs stcu stec stee ster stes stet stev strc stre strs stru stss sttc sttr stuc stue stur stus stut stuv stvs suc- succ sucr sucs suee suer sues suet sueu suev sur- surc sure surr surs surt suru surv sus- suse suss sust susu sute sutu suus suvs svcc svce svcs svec svet svsc svtr tccc tccu tctc tcts tecr tecs tect teec teer tees teet teev ter- terc tere terr ters teru tesc tese tess test tete tetr tets tett tetu teut trcc tre- trec tree tres tret treu trev trst trtc trte trtr truc true trus trut truu trvs tscc tsec tses tset tsse tssr tsst tstc tsts tter ttss tttt tucc tuer tues tuet turc ture turr turs turt turu tusc tuss tust tute tuts tutt tutu tver tves tvrr tvss tvtv uces ucrc ucsc ucst ucsu uctv ucut uers uess ure- ures uret urre urse urss ursu urte urts urur urus urut urve uscc usce uscs usee user uses uset ussc usse ussr usss usst ussu ustc uste usts usus utec uter utes utsc uttu uuuu uv-c uver uvvu vcrs vecc veer vees veet ver- vere vers vert vesc vese vess vest vete vetr vets veur veve vret vrse vsee vses vssc vsse vtec vtes vtrs vues vurt vuse vutv vver vvvv

-tree c-tec ccccc ccctv ccett ceere ceese cerc- cerce cercs cerec cerer ceres ceret cerre cerrs cerse cerss certe certs cerus cesce cescr cesse ceste cests cetes cette cetus crece creer crees cresc crese cress crest crete cretu creu- creue creve crres cruce cruet crure cruse crust cruts cruve csere cstcc cstvt ctree cttee cuers curce curer cures curet curre currs curse curst curts curve cusec cuser cusse custe cutcu cutee cuter cutes cutts cuvee cuves cvrce cvtcs ecrus ecser eeeee eevee eever eeves erecs erect erere erest erets ereve erres errtu erses erste ersts erte erter ertes eruct eruts eruvs esces escrt esect