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