-ose cccc cccs ccee ccoc ccss ccst cctc cctt cec- cece ceco cecs cect ceec cees ceke ceos cesc cese cess cest cet- cete ceto cets ckck ckco ckcs ckoc ckoo ckos ckot ckso ckst ckts coce cock coco coct coes cok- coke coko cook coos coot cosc cose coso coss cost cotc cote coto cots cott cscc csce csco cscs csec csee cset csks csos csot csse cstc csto csts ctec ctos ctot ctsc ctss ctts eccc ecce ecco ecct eces ecko ecks eco- ecos ecot ecsc ecse ecss ect- ectc ecto ects eecs eeee eees eeke eeks eeoc eese eesk eetc eete eets ekco ekek ekes eket ekos eoes eost eotc eoto eots esce esco escs esee esek eseo eses eset eske esko esks eso- esok esos esse esso esst estc este esto ests etcc etco etcs etec etee etes etoe etok etos ette etto k-os kccc kcck kcct kcec kcee kceo kcet kckc kckk kcko kcoe kcos kcot kcsc kcse kcss kcst kctc kcte kcto keck keco keek kees keet kekc keke keko keks keok keos kesc kesk keso kess kest ket- ketc kete ketk keto kets kett kkck kkco kkcs kkct kkkk kkoo kkot kkse kkss kkst kktc kktk kkts kock kocs koct koes kokc koke kokk koko koks kooc kook kooo koos koot kos- kosc kose koso koss kost kotc kote kotk koto kots kott ksce ksck ksco kscs ksec ksee ksek kseo kset kske kskk ksko ksks ksoc ksok ksoo ksos ksse ksso ksss ksst kstc kste kstk ksto ksts kstt ktcc ktce ktck ktco ktcs ktec ktee ktek ktkc ktke ktkk ktko ktks ktkt ktoc ktoe ktok ktoo ktot ktsc ktso ktst kttc kttk ktto ktts kttt o-eo occc occt oce ocee ocet ocke ocks ocos oct- octe octo octs oec- oecc oeec oese oest okes oket okko okok okot okso okto ooes oooo ooos oose oost oots oscc osce osco osec osee osek oses oset osoo osos osse osso ostc oste osts otee otes oto- otoe otok otoo otos otse otso otte otto otts s-os sccc scce sccs scct scec scee scet sck- scok scoo scot scsc scso scst sctc scto scts se-c se-e se-k se-o se-s se-t sec- secc sece seck seco secs sect seec seek sees seet seke sekk seko sekt seoc seok sesc sese seso sess sest set- setc sete seto sets sett skee skeo skes sket skoe skot skss soce sock soco socs soec soeo soes soke sokk soko sook soos soot sose soso soss sost sotc sote sotk soto sots sscc ssce sscs ssec ssee sses sset ssoc ssot sssc ssss sstc ssts stcc stcs stec stee stek steo stes stet stks stoe stok stoo stos stot stss sttc tccc tcos tctc tcts teck teco tecs tect teec teek tees teet teke teok teos tesc tese teso tess test tete teto tets tett tkos tkts toce tock toco toee toek toes toet toke toko took toos toot tosc tose tosk toso toss tost totc tote toto tots tott tscc tsec tses tset tsks tsos tsse tsst tstc tsts tteo ttoe ttss tttt