-ose -ous cccc cccs cccu cccv ccee ccoc ccrc ccre ccrs ccss ccuc ccus ccvo ccvs cec- cece ceco cecs ceec cees ceke ceor ceos ceou cer- cerc cere cero cers cesc cese cesr cess cevo ckck ckco ckcs ckcv cker ckoc ckoo ckor ckos ckrc ckso ckvo coce cock coco cocu coes cok- coke coko cook coos cor- corc core cork coro corr cors cosc cose coso coss coue couk cour cous cove covo crcc crce crcr cre- crec cree creo cres creu crkc croc croe crok croo cror crss crue cruk crus cscc csce csco cscr cscs csec csee cser csks csor csos csrc csrs csse cssr csur csus cucc cuce cuck cuek cuer cues cuk- cuke cure curo curr curs cusk cuso cuss cusu cuve cvcc cver cvrr cvss eccc ecce ecco eces ecko ecks eco- ecos ecou ecrc ecrr ecru ecrv ecsc ecse ecss ecsu ecus eecs eeee eees eeke eeks eeoc eerc eero eers eese eesk ekco ekek eker ekes ekos ekur eoes eore eous ercc erce erec erer eres erev erke erks eroc eroe eroo eros errc erre erro errs erse erso eruc erur erus eruv erve esce esco escr escs escu esee esek eseo eser eses eske esko esks esku eso- esok esos esse esso essu esus euer euos eur- eurc eure euro euse ever eves evoe evoo evos evre evrs evsc evvk k-os kccc kcck kccr kccu kccv kcec kcee kceo kceu kckc kckk kcko kckr kckv kcoe kcor kcos kcou kcrc kcro kcrr kcrs kcru kcrv kcsc kcse kcsr kcss kcsu kcue kcuk kcvk kcvo kcvr kcvs kcvu kcvv keck keco kecr keek keer kees kekc keke keko keks keku keok keos ker- kerc kere kerk kero kerr kers keru kerv kesc kesk keso kesr kess keur keus keve kevs kkck kkco kkcr kkcs kkkk kkoo kkor kkov kkrc kkre kkrk kkro kkrr kkrs kkrv kkse kksr kkss kksu kkus kkuu kkvr kkvu kkvv kock kocs koes kokc koke kokk koko kokr koks koku kooc kook kooo koor koos koou koov korc kore kork koro korr kors koru korv kos- kosc kose koso kosr koss kosu koue kour kous kouu kovc kove kovk kovo kovr krcc krce krco krcs krcu krec kree krek kreo kres kreu krev krkc krke krkk krko krkr krks krku krkv kroc kroe krok kroo kror kros krov krrc krre krrk krro krrr krrs krsc krse krsk krsr krss krsu krsv kruc krue kruk krur krvc krve krvk krvo krvr krvs krvv ksce ksck ksco kscr kscs kscu kscv ksec ksee ksek kseo kser ksev kske kskk ksko kskr ksks ksku ksoc ksok ksoo ksor ksos ksou ksro ksrr ksrs ksrv ksse ksso kssr ksss kssu ksue ksuu ksvc ksve ksvr ksvu kucc kuce kuco kucr kucv kuek kues kueu kuke kukk kuks kuku kuok kuoo kuos kure kurk kuro kurr kurs kuru kurv kusc kuso kusu kuuk kuur kuuu kuvo kuvr kvcc kvce kvck kvco kvcr kvcs kvcu kvcv kvec kver kves kvoc kvoe kvok kvoo kvor kvou kvov kvrc kvre kvro kvrr kvrv kvsc kvso kvsr kvss kvsv kvue kvuu kvvr kvvs kvvv o-eo occc oce ocee ocke ocks ocos ocre ocro ocrr ocrs ocur oec- oecc oeec oere oers oese okcu oker okes okko okok okor okre okro okso okur okus oocr ooer ooes ooku oooo ooos oore oose oous orce orco orcs ore- orec orek oreo orer ores orke orko oro- oroe orok oror oros orro orrs orse orsk orso orsu orus orve orvr orvs oscc osce osco osec osee osek oser oses osku osoo osor osos osov osro osse osso ossu osve oucc ouer our- oure ouro ours ouse ouu- ovcs ovee over ovo- ovoo ovre rccc rccs rcos rcsc rcss rcuv rcvr rcvs recc rece reck recr recs recu reek rees reev reke reko reks reos reou rere rero rers reru rese reso ress reue reuk reus reuu reve revo revs rkos rkss rksv rocc roce rock roco rocs roer roes roev roke rokk roko rokr roks roku rook roor roos rorc rore rork roro roru rosc rose roso ross roue rouk rous rove rovo rovs rrrr rscc rscs rsee rsos rsre ruce ruck ruer rues ruke rukk ruku ruok rurc rure ruro rurs ruru ruse rusk ruso russ rusu ruve ruvu rv-c rver s-os sccc scce sccs scec scee scer sck- scok scoo scor scr- scrc scre scrs scsc scso scsr scsu scur se-c se-e se-k se-o se-s se-u sec- secc sece seck seco secr secs secu secv seec seek seer sees seeu seke sekk seko seku seoc seok serc sere serk sero serr sers seru serv sesc sese seso sess seur seve skee skeo sker skes skoe skor skov skss skue skur soce sock soco socr socs soec soeo soes soke sokk soko soku sook soor soos sore soro sorr sors soru sose soso soss sosv soue souk sour sous sove sovo sovs sovu srcc srec sreo sres sros sscc ssce sscs ssec ssee sses ssoc ssrc ssrs sssc ssss suc- succ suck sucr sucs suee suer sues sueu suev suke suks suku suor suos sur- surc sure suro surr surs suru surv sus- suse susk suso suss susu suus suvs svcc svce svcs svec svor svsc uces ucos ucrc ucsc ucsu uers uess ukcc ukek ukes ukeu ukko ukok ukrc uksc ukur uocc uoke uor- uore uovo ure- ures urke uro- urok uroo urre urse urso urss ursu uruk urur urus urve us-k uscc usce usco uscs usee user uses uske usoc usoe usos usov ussc usse ussr usss ussu usus uuoc uuuu uv-c uver uvok uvvu vcrs vecc veck veer vees veke veor ver- vere verk vero vers vesc vese vess veur veve vevo vkor voce voer voes voeu voke voks vooc voor vor- vore voro vors voru vose voso voss vosu voue vouk vour vous vovk vreo vroc vrse vruk vsee vses vsoe vssc vsse vuco vues vuku vuse vver vvvv