-er a-a a-c aaa aac aae aak aao aar aas ac- aca acc ace ack aco acr acs aea aec aee aek aeo aer aes aka akc ake akk ako akr aks aoa aoc aoe aok aoo aor aos ar- ara arc are ark aro arr ars as- asa asc ase ask aso asr ass c-- caa cac cae cak cao car cas cca ccc cce cck cco ccr ccs ce- cea cec cee cek ceo cer ces cka ckc cko cks co- coa coc coe cok coo cor cos cra crc cre crk cro crr crs csa csc cse csk cso csr css eaa eac eae eak eao ear eas ec- eca ecc ece eck eco ecr ecs eea eec eee eek eeo eer ees eka ekc eke eko ekr eks eo- eoa eoc eoe eok eoo eor eos era erc ere erk ero err ers es- esa esc ese esk eso esr ess ka- kaa kac kae kak kao kar kas kca kcc kce kck kcr kcs ke- kea kec kee kek keo ker kes kkc kke kkk kkr kks koa koc koe kok koo kor kos kra krc krk kro krr krs ksa ksc kse ksk kso ksr kss oaa oac oae oak oao oar oas oc- oca occ ock oco ocr ocs oea oec oee oeo oer oes oka okc oke okk oko okr oks oo- ooa ooc ook ooo oor oos or- ora orc ore ork oro orr ors os- osa osc ose osk oso osr oss ra- raa rac rae rak rao rar ras rca rcc rce rco rcr rcs re- rea rec ree rek reo rer res rkc rke rkk rko rks roa roc roe rok roo ror ros rra rrc rrk rrr rrs rsa rsc rse rsk rso rsr rss saa sac sae sak sao sar sas sca scc sce sck sco scr scs se- sea sec see sek seo ser ses sk- ska skc ske skk sko skr sks soa soc soe sok soo sor sos sr- sra src sre srk sro srr srs ss- ssa ssc sse ssk sso ssr sss

-ase -ose a-ak a-ok aaaa aaac aaae aaar aaas aaca aacc aace aack aaco aacr aacs aaea aaec aaes aaka aake aaoe aaoo aara aarc aare aaro aars aasa aasc aase aass acaa acac acae acar acas acca accc acce acco accs ace- acea acec acek acer aces acke acks acoa acoe acor acos acr- acra acrc acre acro acrr acrs acsa acsc acse acss aeac aeas aeer aeka aer- aera aerc aero aers aesc aess akaa akae akao akar akas akca akee aker akes akka akko akok akos akr- akra akre aksa aoca aoce aocs aoks aora aors aoss arac arae arak arar aras arc- arca arce arco arcs area arec aree arek areo ares arka arke arko arks aroa aroe aroo aror aros arr- arra arrc arre arrk arro arrr arrs ars- arsa arsc arse arsk arso asaa asac asae asak asao asar asas asc- asca ascc asce asco ascr asea asec asee asek aser ases aska aske asko askr asks asoc asok asor asos asra asrc asro asrs assa assc asse assk asso assr asss caaa caac caas cac- caca cacc cace cack caco cacr caec caer caes caka cake caor caos cara carc care cark caro carr cars casa casc case cask caso casr cass ccaa ccac ccar ccas ccca cccc cccs ccee ccoc ccra ccrc ccre ccrs ccsa ccss ceac cear ceas cec- ceca cece ceco cecs ceec cees ceke ceor ceos cer- cera cerc cere cero cers cesa cesc cese cesr cess ckac ckck ckco ckcs cker ckoa ckoc ckoo ckor ckos ckrc cksa ckso coak coas coca coce cock coco coes cok- coka coke coko cook coos cor- cora corc core cork coro corr cors cosa cosc cose coso coss crac crar cras crca crcc crce crcr cre- crea crec cree creo cres crkc croc croe crok croo cror crsa crss csaa csac csak csao csar csas cscc csce csco cscr cscs csea csec csee cser cska csks csor csos csra csrc csrs cssa csse cssr eaca eacc eaec eara eare earo ears easa ease easo ecaa ecac ecao ecar ecca eccc ecce ecco eces ecka ecko ecks eco- ecos ecra ecrc ecrr ecsa ecsc ecse ecss eeca eecs eeea eeee eees eeka eeke eeks eeoc eera eerc eero eers eese eesk eka- ekco ekek eker ekes ekka ekoa ekos eoes eoka eora eore eras erca ercc erce erec erer eres erke erks eroc eroe eroo eros erra errc erre erro errs ersa erse erso esac esar esas esca esce esco escr escs esea esee esek eseo eser eses eska eske esko esks eso- esok esos esra essa esse esso k-os kaaa kaak kaar kaas kacc kace kaco kacs kaeo kaer kaes kaka kakc kake kakk kako kaks kaoa kaoc kaok kaor kaos kara kare kark karo karr kars kas- kasa kasc kase kask kaso kasr kass kcaa kcac kcar kcas kcca kccc kcck kccr kcea kcec kcee kceo kckc kckk kcko kckr kcoe kcor kcos kcrc kcro kcrr kcrs kcsa kcsc kcse kcsr kcss kea- keak kear keas keca keck keco kecr keek keer kees keka kekc keke keko keks keok keos ker- kera kerc kere kerk kero kerr kers kesa kesc kesk keso kesr kess kkaa kkac kkar kkck kkco kkcr kkcs kkea kkkk kkoa kkoo kkor kkrc kkre kkrk kkro kkrr kkrs kksa kkse kksr kkss koac koae koak koar koas koca kock kocs koea koes koka kokc koke kokk koko kokr koks kooc kook kooo koor koos kora korc kore kork koro korr kors kos- kosa kosc kose koso kosr koss krac krae krak krar kras krca krcc krce krco krcs krea krec kree krek kreo kres krka krkc krke krkk krko krkr krks kroa kroc kroe krok kroo kror kros krrc krre krrk krro krrr krrs krsa krsc krse krsk krsr krss ksac ksak ksar ksas ksca ksce ksck ksco kscr kscs ksea ksec ksee ksek kseo