c-cd cccc cccf cccs cccu ccdc ccdf ccdr ccds cced ccee ccfc ccfd ccff ccrc ccre ccrf ccrs ccrt ccsd ccsf ccss ccst cctc cctt ccuc ccus ccut cd-e cd-r cdcs cddr cdec cdef cder cdes cdfe cdfs cdre cdrs cdss cec- cece cecs cect cedd cede cedt cedu ceec cees cef- cefc cer- cerc cerd cere cerf cers cert cesc cese cesr cess cest cet- cete cets cfcf cfcs cfds cffr cfre cfrt cfse cftc cfte cftr crcc crce crcr crdc cre- crec cred cree cres cret creu crfc crfs crrt crss crst crtc crtf crts crud crue crus crut cscc cscd csce cscf cscr cscs csdr csec csee cser cset csfc csfr csrc csrd csrs cssd csse cssr cstc cstd cstr csts csuf csur csus ctcf ctec ctfc ctfs ctrc ctrs ctsc ctss ctsu ctts cucc cuce cude cuds cued cuer cues cufc cuff curd cure curf curr curs curt cusd cuss cust cusu cut- cutc cute cuts cutt dccc dccs dcct dccu dcds dcfc dcfs dcsc dcss dctc dcts dddd ddes ddrc ddre ddss ddts dec- decc decd dece decs dect dedd dede dedu deed deef deer dees deet defe deff defs deft der- derc dere derf derr ders des- desc dese dess dest desu dete detr dets deue deur deus deut dfcc dfcs dfcu dfds dfdt dfer dfrf dftr dfts dred dree dref dres dret drfc drrs drue drus drut druu dscc dscr dscs dsdr dsfc dsrc dsrr dssc dsst dstc dsts dtcc dted dtfc dtss duce ducs duct dudd dude duds dudu duer dues duet dufc duff dufu dure durt duru duse dust dute duts duur duut eccc ecce ecct ecdc ecdf eced ecef eces ecfc ecfr ecfs ecrc ecrf ecrr ecru ecsc ecse ecss ecsu ect- ectc ectf ects ecus eddc edde edds ede- eder edes edfu edru edss edts educ edur eecs eede eedu eeee eees eefe eerc eers eese eetc eete eets eetu efes efet effs eft- efts eftu ercc erce erde erdf erds erec ered erer eres eret erfc erfs erft errc erre errs erse erst erts ertu eruc erur erus esce escr escs escu esds esdu esee eser eses eset esfs esrd esse esst essu estc estd este estr ests esuf esus etcc etcs etds etec etee eter etes etfc etfe etre etsu ette ettu eucd eude euer eufc eur- eurc eure eurt euse fccf fcds fces fcsc fcst fdst fdtc fece fect fede feds feed feer fees feet fefc fefe feff ferc ferd fere ferr fers fert feru fese fess fest fete fetr fets fett fetu feud feus ffcc ffee ffff ffrr ffss fftf frcc fred free fres fret frfc frsc frst frue fscc fsec fssc fssf ft-c ftcd fter ftfc ftrs ftse ftsr ftuc fuc- fuct fudd fude fuet fufc fuff fufu fur- fure furr furs furt fusc fusd fuse fuss fust fusu fute futs futu rccc rccs rcdc rcde rcds rcet rcfc rcrd rcsc rcsd rcss rctc rcts rder recc recd rece recr recs rect recu redc redd rede redr reds redu reed reef rees reet refd refe reff refr refs reft refu rerd rere rers rert reru rese ress rest retd rete retr rets rett reue reuf reus reut reuu rfds rfef rffc rftc rred rrfc rrrr rscc rscs rsdd rsds rsee rsfc rsre rsts rstu rtcc rtce rtdt rtee rtes rtfc rtss rtts ruce ruct rudd rude ruds rued ruer rues ruet rufc rufe ruff ruft rurc rurd rure rurs ruru ruse russ rust rusu rute ruts rutt rutu ruud sccc scce sccs scct scdc scdf scds scec scee scer scet scfc scfe scr- scrc scre scrs scsc scsd scsr scst scsu sctc sctd sctr scts scud scur scut sdcc sddc sdds sdef sder sdes sdet sdfc sdrc sdrs sdsc sdsf sdss sdsu se-c se-d se-e se-f se-s se-t se-u sec- secc secd sece secr secs sect secu sede seds seec seed seef seer sees seet seeu seff seft serc serd sere serf serr sers sert seru sesc sese sess sest set- setc sete setf sets sett seur sfcc sfcs sfdc sfer sffc sfrc sfss sfsu sfts srcc srct srde srec sres srfc srsd srtr sscc ssce sscs ssdc ssdd ssdf ssec ssee sses sset ssfc ssrc ssrs sssc sssf ssss sstc sstd ssts stcc stcs stcu stds stec sted stee stef ster stes stet stfc stfu strc strd stre strs stru stsf stss sttc sttd sttr stuc stud stue stuf stur stus stut suc- succ sucr sucs sudd sude suds sued suee suer sues suet sueu suf- sufc suff sufr sufs sufu sur- surc surd sure surf surr surs surt suru sus- susd suse suss sust susu sute sutu suus tccc tccu tcdd tcfc tctc tcts tdes tdff tdse tdss tecr tecs tect tedd tede teds teec teed teef teer tees teet tefc teff teft ter- terc tere terf terr ters teru tesc tesd tese tess test tete tetr tets tett tetu teut tfcu tfdc tfec tfrs tfsd tfss tftc trcc tre- trec tred tree tref tres tret treu trfc trfd trfr trsd trst trtc trte trtr truc trud true trus trut truu tscc tsec tses tset tsfc tsse tssf tssr tsst tstc tsts tter ttfc ttff ttss tttt tucc tude tudu tuer tues tuet tufc tufe tuff tuft tufu turc turd ture turf turr turs turt turu tusc tusd tuss tust tute tuts tutt tutu ucdc ucdd uces ucrc ucsc ucsd ucsf ucst ucsu ucut udds uder udet udsd udts uers uess ufcu ufer uffe urde urds urdu ure- ured ures uret urfe urff urft urre urse urss ursu urte urts urur urus urut uscc usce uscf uscs usdc usde usdf usds usdt used usee usef user uses uset usfc usfs ussc usse ussf ussr usss usst ussu ustc uste usts usus utec uter utes utsc uttu uutf uuuu