a-ak a-do a-ok aaaa aaac aaad aaar aaas aaca aacc aacd aack aaco aacr aacs aada aadc aads aaka aaoo aara aarc aard aaro aars aasa aasc aasd aass acaa acac acad acar acas acca accc accd acco accs acda acdc acds ackd acks acoa acod acor acos acr- acra acrc acro acrr acrs acsa acsc acsd acss adaa adac adad adak adao adar adas adcc adcs adda addc addd addo addr adds adoc adod adok adoo ador ados adra adro adrs adsa adso adsr adss akaa akao akar akas akca akka akko akok akos akr- akra aksa aoca aocs aoks aora aors aosd aoss arac arad arak arar aras arc- arca arco arcs arda ardc ardo ards arka arko arks aroa arod aroo aror aros arr- arra arrc arrk arro arrr arrs ars- arsa arsc arsd arsk arso asaa asac asad asak asao asar asas asc- asca ascc asco ascr asda asdo asds aska asko askr asks asoc asod asok asor asos asra asrc asro asrs assa assc assd assk asso assr asss c-cd caaa caac caas cac- caca cacc cack caco cacr cada cadc cadd cado cadr cads caka caod caor caos cara carc card cark caro carr cars casa casc casd cask caso casr cass ccaa ccac ccad ccar ccas ccca cccc cccs ccdc ccdr ccds ccoc ccod ccra ccrc ccrs ccsa ccsd ccss cd-r cdaa cdac cdad cdcs cdda cddr cdos cdrs cdss ckac ckck ckco ckcs ckdo ckoa ckoc ckoo ckor ckos ckrc ckrd cksa ckso coad coak coas coca cock coco coda codd cods cok- coka coko cood cook coos cor- cora corc cord cork coro corr cors cosa cosc coso coss crac crar cras crca crcc crcr crda crdc crkc croc crod crok croo cror crsa crss csaa csac csak csao csar csas cscc cscd csco cscr cscs csda csdr cska csks csor csos csra csrc csrd csrs cssa cssd cssr daad daar daas daca dacs dada dado dads daka dako daks daos dara darc dard dark daro darr dars dasa dasc dasd dask dass dcas dcca dccc dccs dcds dcos dcra dcrk dcsc dcss dddd ddoc ddrc ddss dkdc doak doar doas doca dock doco docs dod- doda dodd dodo dods doka doko dood dook door doos dora dorc dord dork doro dorr dors dosa dosk doso doss draa drac drad drak drar dras drca drda drod drra drrs drsa dsac dscc dscr dscs dsda dsdr dsoa dsos dsrc dsrr dssa dssc k-os kaaa kaak kaar kaas kacc kacd kaco kacs kad- kada kadd kado kadr kads kaka kakc kakk kako kaks kaoa kaoc kaok kaor kaos kara kard kark karo karr kars kas- kasa kasc kask kaso kasr kass kcaa kcac kcad kcar kcas kcca kccc kccd kcck kccr kcda kcdc kcdd kcdr kcds kckc kckk kcko kckr kcor kcos kcrc kcro kcrr kcrs kcsa kcsc kcsd kcsr kcss kdaa kdac kdad kdak kdao kdar kdca kdcc kdcd kdco kdcr kddc kddd kddk kddr kdka kdkd kdkk kdko kdkr kdoc kdok kdro kdrs kdsc kdsd kdsk kdsr kdss kkaa kkac kkar kkcd kkck kkco kkcr kkcs kkda kkdc kkdd kkdo kkkk kkoa kkoo kkor kkrc kkrk kkro kkrr kkrs kksa kksd kksr kkss koac koak koar koas koca kocd kock kocs koda kodk kodo kods koka kokc kokk koko kokr koks kooc kook kooo koor koos kora korc kord kork koro korr kors kos- kosa kosc kosd koso kosr koss krac krad krak krar kras krca krcc krcd krco krcs krda krdc krdd krdo krdr krds krka krkc krkd krkk krko krkr krks kroa kroc krod krok kroo kror kros krrc krrk krro krrr krrs krsa krsc krsd krsk krsr krss ksac ksak ksar ksas ksca ksck ksco kscr kscs ksdc ksdk ksdr ksds kska kskd kskk ksko kskr ksks ksoc ksok ksoo ksor ksos ksra ksro ksrr ksrs kssa ksso kssr ksss oaks oara oars oasc oass ocac ocad ocak ocas occa occc ocds ocks ocos ocra ocro ocrr ocrs ocsa odac odas odda oddd odds odoo odor odos odra odso okak okas okka okko okok okor okra okro oksa okso ooaa ooak oocr ooda oooo ooos oora oord oosa orac orad orak orao orar oras orca orco orcs orda ordo ords orka orko oro- orok oror oros orra orro orrs orsa orsk orso osak osar osas osca oscc osco osoo osor osos osrd osro ossa ossd osso raad raak raas rac- raca racc rack raco racs rada radc radd rado radr rads raka rakk raoc raok raos rara rark raro rars rasa rasc rasd rask raso rass rcac rcas rccc rccs rcdc rcds rcos rcrd rcsa rcsc rcsd rcss rdac rdas rdoc rdos rdso rkos rkss road roak roar roas roca rocc rock roco rocs roda rodd rodo rods roka rokk roko rokr roks rood rook roor roos rora rorc rork roro rosa rosc roso ross rrad rras rrrr rsaa rscc rscs rsdd rsds rsos rssa s-os sa-c saac saad saak saar saas saca sacc sacd sack saco sacr sacs sada sadc sadd sado sadr sads saka sakk sako saks saor saos sara sarc sard sark saro sarr sars sasa sasc sasd sask saso sass scaa scac scad scak scar scas sccc sccs scda scdc scds sck- scok scoo scor scr- scra scrc scrs scsa scsc scsd scso scsr sdak sdcc sdco sddc sdds sdrc sdrs sdsc sdss skac skad skar skor skra sksd skss soad soak soar soas soca sock soco socr socs soda sodd sodo sods soka sokk soko sood sook soor soos sora sord soro sorr sors sosa soso soss sras srcc sros srsd ssaa ssac ssao ssas ssca sscc sscs ssdc ssdd ssoc ssra ssrc ssrs sssa sssc ssss