-ose cccc cccs ccee ccoc ccrc ccre ccrs ccrt ccss ccst cctc cctt 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 ckck ckco ckcs cker ckoc ckoo ckor ckos ckot ckrc ckso ckst ckts 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 crcc crce crcr cre- crec cree creo cres cret crkc croc croe crok croo cror crot crrt crss crst crtc crts 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 eccc ecce ecco ecct eces ecko ecks eco- ecos ecot ecrc ecrr ecsc ecse ecss ect- ectc ecto ects 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 erke erks eroc eroe eroo eros errc erre erro errs erse erso erst erts esce esco escr escs esee esek eseo eser eses eset eske esko esks eso- esok esos esse esso esst estc este esto estr ests etcc etco etcs etec etee eter etes etoe etok etos etre etro ette etto k-os kccc kcck kccr kcct kcec kcee kceo kcet kckc kckk kcko kckr kcoe kcor kcos kcot kcrc kcro kcrr kcrs kcrt kcsc kcse kcsr kcss kcst kctc kcte kcto keck keco kecr keek keer kees keet kekc keke keko keks keok keos ker- kerc kere kerk kero kerr kers kert kesc kesk keso kesr kess kest ket- ketc kete ketk keto ketr kets kett kkck kkco kkcr kkcs kkct kkkk kkoo kkor kkot kkrc kkre kkrk kkro kkrr kkrs kkrt kkse kksr kkss kkst kktc kktk kkts kock kocs koct koes kokc koke kokk koko kokr koks kooc kook kooo koor koos koot korc kore kork koro korr kors kort kos- kosc kose koso kosr koss kost kotc kote kotk koto kotr kots kott krcc krce krco krcs krec kree krek kreo kres kret krkc krke krkk krko krkr krks kroc kroe krok kroo kror kros krrc krre krrk krro krrr krrs krrt krsc krse krsk krsr krss krst krtc krtk krto krtr krts ksce ksck ksco kscr kscs ksec ksee ksek kseo kser kset kske kskk ksko kskr ksks ksoc ksok ksoo ksor ksos ksro ksrr ksrs ksrt ksse ksso kssr ksss ksst kstc kste kstk ksto kstr ksts kstt ktcc ktce ktck ktco ktcr ktcs ktec ktee ktek ktkc ktke ktkk ktko ktkr ktks ktkt ktoc ktoe ktok ktoo ktor ktot ktrc ktre ktrk ktro ktrr ktrs ktrt ktsc ktso ktsr ktst kttc kttk ktto kttr ktts kttt 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 oscc osce osco osec osee osek oser oses oset osoo osor osos osro osse osso ostc oste ostr osts otee oter otes oto- otoe otok otoo otor otos otre otro otrs otse otso otte otto otts rccc rccs rcet rcos rcsc rcss rctc rcts recc rece reck recr recs rect reek rees reet reke reko reks rekt reos reot rere rero rers rert rese reso ress rest rete reto retr rets rett rkos rkss rkts rocc roce rock roco rocs roer roes roet 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 rrrr rscc rscs rsee rsos rsre rsts rtcc rtce rtee rtes rtss rtts s-os 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 se-c se-e se-k se-o se-s se-t sec- secc sece seck seco secr secs sect seec seek seer sees seet seke sekk seko sekt seoc seok serc sere serk sero serr sers sert sesc sese seso sess sest set- setc sete seto sets sett skee skeo sker skes sket skoe skor skot 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 sotc sote sotk soto sots srcc srct srec sreo sres sros srtr sscc ssce sscs ssec ssee sses sset ssoc ssot ssrc ssrs sssc ssss sstc ssts stcc stcs stec stee stek steo ster stes stet stks stoe stok stoo stor stos stot strc stre strk stro strs stss sttc sttr tccc tcos tctc tcts teck teco tecr tecs tect teec teek teer tees teet teke teok teor teos ter- terc tere terk tero terr ters tesc tese teso tess test tete teto tetr tets tett tkos tkts toce tock toco toee toek toer toes toet toke toko took toor toos toot torc tore tork toro torr tors tort tosc tose tosk toso toss tost totc tote toto totr tots tott trcc tre- trec tree trek treo tres tret troc troe troo tros trot trst trtc trte trtr tscc tsec tses tset tsks tsos tsse tssr tsst tstc tsts tteo tter ttoe ttss tttt