a-a a-c aaa aac aak aao aar aas ac- aca acc ack aco acr acs aka akc akk ako akr aks aoa aoc aok aoo aor aos ar- ara arc ark aro arr ars as- asa asc ask aso asr ass c-- caa cac cak cao car cas cca ccc cck cco ccr ccs cka ckc cko cks co- coa coc cok coo cor cos cra crc crk cro crr crs csa csc csk cso csr css ka- kaa kac kak kao kar kas kca kcc kck kcr kcs kkc kkk kkr kks koa koc kok koo kor kos kra krc krk kro krr krs ksa ksc ksk kso ksr kss oaa oac oak oao oar oas oc- oca occ ock oco ocr ocs oka okc okk oko okr oks oo- ooa ooc ook ooo oor oos or- ora orc ork oro orr ors os- osa osc osk oso osr oss ra- raa rac rak rao rar ras rca rcc rco rcr rcs rkc rkk rko rks roa roc rok roo ror ros rra rrc rrk rrr rrs rsa rsc rsk rso rsr rss saa sac sak sao sar sas sca scc sck sco scr scs sk- ska skc skk sko skr sks soa soc sok soo sor sos sr- sra src srk sro srr srs ss- ssa ssc ssk sso ssr sss

a-ak a-ok aaaa aaac aaar aaas aaca aacc aack aaco aacr aacs aaka aaoo aara aarc aaro aars aasa aasc aass acaa acac acar acas acca accc acco accs acks acoa acor acos acr- acra acrc acro acrr acrs acsa acsc acss akaa akao akar akas akca akka akko akok akos akr- akra aksa aoca aocs aoks aora aors aoss arac arak arar aras arc- arca arco arcs arka arko arks aroa aroo aror aros arr- arra arrc arrk arro arrr arrs ars- arsa arsc arsk arso asaa asac asak asao asar asas asc- asca ascc asco ascr aska asko askr asks asoc asok asor asos asra asrc asro asrs assa assc assk asso assr asss caaa caac caas cac- caca cacc cack caco cacr caka caor caos cara carc cark caro carr cars casa casc cask caso casr cass ccaa ccac ccar ccas ccca cccc cccs ccoc ccra ccrc ccrs ccsa ccss ckac ckck ckco ckcs ckoa ckoc ckoo ckor ckos ckrc cksa ckso coak coas coca cock coco cok- coka coko cook coos cor- cora corc cork coro corr cors cosa cosc coso coss crac crar cras crca crcc crcr crkc croc crok croo cror crsa crss csaa csac csak csao csar csas cscc csco cscr cscs cska csks csor csos csra csrc csrs cssa cssr k-os kaaa kaak kaar kaas kacc kaco kacs kaka kakc kakk kako kaks kaoa kaoc kaok kaor kaos kara kark karo karr kars kas- kasa kasc kask kaso kasr kass kcaa kcac kcar kcas kcca kccc kcck kccr kckc kckk kcko kckr kcor kcos kcrc kcro kcrr kcrs kcsa kcsc kcsr kcss kkaa kkac kkar kkck kkco kkcr kkcs kkkk kkoa kkoo kkor kkrc kkrk kkro kkrr kkrs kksa kksr kkss koac koak koar koas koca kock kocs koka kokc kokk koko kokr koks kooc kook kooo koor koos kora korc kork koro korr kors kos- kosa kosc koso kosr koss krac krak krar kras krca krcc krco krcs krka krkc krkk krko krkr krks kroa kroc krok kroo kror kros krrc krrk krro krrr krrs krsa krsc krsk krsr krss ksac ksak ksar ksas ksca ksck ksco kscr kscs kska kskk ksko kskr ksks ksoc ksok ksoo ksor ksos ksra ksro ksrr ksrs kssa ksso kssr ksss oaks oara oars oasc oass ocac ocak ocas occa occc ocks ocos ocra ocro ocrr ocrs ocsa okak okas okka okko okok okor okra okro oksa okso ooaa ooak oocr oooo ooos oora oosa orac orak orao orar oras orca orco orcs orka orko oro- orok oror oros orra orro orrs orsa orsk orso osak osar osas osca oscc osco osoo osor osos osro ossa osso raak raas rac- raca racc rack raco racs raka rakk raoc raok raos rara rark raro rars rasa rasc rask raso rass rcac rcas rccc rccs rcos rcsa rcsc rcss rkos rkss roak roar roas roca rocc rock roco rocs roka rokk roko rokr roks rook roor roos rora rorc rork roro rosa rosc roso ross rras rrrr rsaa rscc rscs rsos rssa s-os sa-c saac saak saar saas saca sacc sack saco sacr sacs saka sakk sako saks saor saos sara sarc sark saro sarr sars sasa sasc sask saso sass scaa scac scak scar scas sccc sccs sck- scok scoo scor scr- scra scrc scrs scsa scsc scso scsr skac skar skor skra skss soak soar soas soca sock soco socr socs soka sokk soko sook soor soos sora soro sorr sors sosa soso soss sras srcc sros ssaa ssac ssao ssas ssca sscc sscs ssoc ssra ssrc ssrs sssa sssc ssss

-aaa- aaaas aaaoc aaarc aaasa aaass aacos aacsa aacss aakko aasra acaca acack acar- acara acars acass accas accra acock acook acork acoss acro- acros akaoa akasa akkas akkra akoka akoko akrak akrar akro- aksar aokas aoos ara-c araca arack araco araks arara arars arass arcas arcoa arcor arcos arkar arkas arkos aroar arock aroor aroos arora arosa arrak arras arros arsac arsos asaak asack asaco asaka asako asara asaro asasa ascao ascar asco- askar askas askor askos asksa asoak asoar asock asocs asoka asors asosa asrar asroc asror assac assas assoa assoc assos c-a-c c-cor ca-ca cacak cacao cacas cacks caco- cacoa cacso cakra caraa carac carak caras carck cark- carks caroa carra carro carrs carso casar casas casca casco casks casos casso ccass ccccc co-co coaks coarc cocao cocas cocc- cocco cocka cocks cocoa cocos cokak cokar cokk- cooks coors coosa corak coras corca corks coro- corra corrs corsa corso corss cosas cosca cosco crack craco crars crask craso crass croak crock croco crocs crook croos crosa cross csars cssra k-a-o k-car kaaks kaaos kacar kakao kakar kakas kakka