-ose cccc cccs cccv ccee ccoc ccrc ccre ccrs ccrt ccss ccst cctc cctt cctv ccvo ccvs cec- cece ceco cecs cect ceec cees ceke ceor ceos cer- cerc cere cero cers cert cesc cese cesr cess cest cet- cete ceto cets cetv cevo ckck ckco ckcs ckcv cker ckoc ckoo ckor ckos ckot ckrc ckso ckst ckts ckvo coce cock coco coct coes cok- coke coko cook coos coot cor- corc core cork coro corr cors cort cosc cose coso coss cost cotc cote coto cots cott cove covo crcc crce crcr cre- crec cree creo cres cret crkc croc croe crok croo cror crot crrt crss crst crtc crts crtv cscc csce csco cscr cscs csec csee cser cset csks csor csos csot csrc csrs csse cssr cstc csto cstr csts ctec ctor ctos ctot ctrc ctrs ctsc ctss ctts ctvo ctvt cvcc cver cvet cvrr cvss cvte eccc ecce ecco ecct eces ecko ecks eco- ecos ecot ecrc ecrr ecrv ecsc ecse ecss ect- ectc ecto ects ectv eecs eeee eees eeke eeks eeoc eerc eero eers eese eesk eetc eete eets ekco ekek eker ekes eket ekos eoes eore eost eotc eoto eots ercc erce erec erer eres eret erev erke erks eroc eroe eroo eros errc erre erro errs erse erso erst erts erve esce esco escr escs esee esek eseo eser eses eset eske esko esks eso- esok esos esse esso esst estc este esto estr ests estv etcc etco etcs etec etee eter etes etoe etok etos etre etro ette etto etvo ever eves evet evoe evoo evos evre evrs evsc evst evvk k-os kccc kcck kccr kcct kccv kcec kcee kceo kcet kckc kckk kcko kckr kckv kcoe kcor kcos kcot kcrc kcro kcrr kcrs kcrt kcrv kcsc kcse kcsr kcss kcst kctc kcte kcto kctv kcvk kcvo kcvr kcvs kcvv keck keco kecr keek keer kees keet kekc keke keko keks keok keos ker- kerc kere kerk kero kerr kers kert kerv kesc kesk keso kesr kess kest ket- ketc kete ketk keto ketr kets kett ketv keve kevs kevt kkck kkco kkcr kkcs kkct kkkk kkoo kkor kkot kkov kkrc kkre kkrk kkro kkrr kkrs kkrt kkrv kkse kksr kkss kkst kktc kktk kkts kktv kkvr kkvt kkvv kock kocs koct koes kokc koke kokk koko kokr koks kooc kook kooo koor koos koot koov korc kore kork koro korr kors kort korv kos- kosc kose koso kosr koss kost kotc kote kotk koto kotr kots kott kotv kovc kove kovk kovo kovr krcc krce krco krcs krec kree krek kreo kres kret krev krkc krke krkk krko krkr krks krkv kroc kroe krok kroo kror kros krov krrc krre krrk krro krrr krrs krrt krsc krse krsk krsr krss krst krsv krtc krtk krto krtr krts krtv krvc krve krvk krvo krvr krvs krvv ksce ksck ksco kscr kscs kscv ksec ksee ksek kseo kser kset ksev kske kskk ksko kskr ksks ksoc ksok ksoo ksor ksos ksro ksrr ksrs ksrt ksrv ksse ksso kssr ksss ksst kstc kste kstk ksto kstr ksts kstt kstv ksvc ksve ksvr ktcc ktce ktck ktco ktcr ktcs ktcv ktec ktee ktek ktkc ktke ktkk ktko ktkr ktks ktkt ktoc ktoe ktok ktoo ktor ktot ktrc ktre ktrk ktro ktrr ktrs ktrt ktrv ktsc ktso ktsr ktst kttc kttk ktto kttr ktts kttt kttv ktvc ktve ktvk ktvo ktvr ktvt kvcc kvce kvck kvco kvcr kvcs kvct kvcv kvec kver kves kvet kvoc kvoe kvok kvoo kvor kvot kvov kvrc kvre kvro kvrr kvrv kvsc kvso kvsr kvss kvst kvsv kvtk kvto kvtr kvtt kvtv kvvr kvvs kvvv o-eo occc occt oce ocee ocet ocke ocks ocos ocre ocro ocrr ocrs oct- octe octo octs oec- oecc oeec oere oers oese oest oker okes oket okko okok okor okot okre okro okso okto oocr ooer ooes oooo ooos oore oort oose oost oots orce orco orcs ore- orec orek oreo orer ores orke orko oro- oroe orok oror oros orot orro orrs orse orsk orso ortc orte orto orts orve orvr orvs oscc osce osco osec osee osek oser oses oset osoo osor osos osov osro osse osso ostc oste ostr osts osve otee oter otes oto- otoe otok otoo otor otos otov otre otro otrs otse otso otte otto otts ovcs ovee over ovet ovo- ovoo ovot ovre rccc rccs rcet rcos rcsc rcss rctc rcts rctv rcvr rcvs recc rece reck recr recs rect reek rees reet reev reke reko reks rekt reos reot rere rero rers rert rese reso ress rest rete reto retr rets rett reve revo revs rkos rkss rksv rkts rocc roce rock roco rocs roer roes roet roev roke rokk roko rokr roks rook roor roos root rorc rore rork roro rort rosc rose roso ross rost rotc rote rotk roto rotr rots rott rove rovo rovs rrrr rscc rscs rsee rsos rsre rsts rtcc rtce rtee rtes rtss rtts rtve rv-c rver s-os s-vt sccc scce sccs scct scec scee scer scet sck- scok scoo scor scot scr- scrc scre scrs scsc scso scsr scst sctc scto sctr scts sctv se-c se-e se-k se-o se-s se-t sec- secc sece seck seco secr secs sect secv seec seek seer sees seet seke sekk seko sekt seoc seok serc sere serk sero serr sers sert serv sesc sese seso sess sest set- setc sete seto sets sett seve skee skeo sker skes sket skoe skor skot skov skrt skss soce sock soco socr socs soec soeo soes soke sokk soko sook soor soos soot sore soro sorr sors sort sose soso soss sost sosv sotc sote sotk soto sots sove sovo sovs srcc srct srec sreo sres sros srtr srtv sscc ssce sscs ssec ssee sses sset ssoc ssot ssrc ssrs sssc ssss sstc ssts st-v stcc stcs stec stee stek steo ster stes stet stev stks stoe stok stoo stor stos stot strc stre strk stro strs stss sttc sttr stvs svcc svce svcs svec svet