a-ak a-ok aaaa aaac aaae aaaf aaal aaca aacc aace aacf aack aacl aaco aaea aaec aafa aafc aaff aafl aaka aake aala aalc aale aall aalo aaoe aaoo acaa acac acae acca accc acce accf acco ace- acea acec acek acel acfc acfe acfl acke acla aclc acle acoa acoe acol aeac aeaf aecl aeka aela aelc afaa afak afao afca afcc afee afek afel affa affc affo afka afla aflc afle afoa afoe afol afoo akaa akae akal akao akca akee akel akka akko akle aklo akok alaa alac alae alak alal alao alca alcc alce alco alea alec alee alef alek aleo alfa alfe alk- alka alke alko all- alla alle alll allo aloa aloc aloe alof alok alol aloo aoca aoce aola aole caaa caac caaf caal cac- caca cacc cace cack caco caec cafa cafc cafe caff cafl caka cake cala calc cale calf calk call calo caol ccaa ccac ccaf ccca cccc cccf cccl ccee ccel ccfa ccfc ccff ccfl ccla cclc ccoc ceac ceal cec- ceca cece ceco ceec ceel cef- cefa cefc ceke cel- cela celc cele celf cell celo ceol cfaa cfac cfae cfao cfca cfcf cfcl cfco cfoa ckac ckck ckcl ckco cklf ckoa ckoc ckoo claf clea clec clee clef clek cleo cloe clof clok cloo coak coal coca coce cock coco coel cofc cofe coff cok- coka coke coko col- cola cole colk coll colo coof cook cool e-cl e-la eaaf eaca eacc eaec eala ealc eale ecaa ecac ecal ecao ecca eccc ecce eccl ecco ecef ecfa ecfc ecka ecko ecla eco- ecol eeca eeea eeee eefa eefe eefl eeka eeke eele eeoc efca efco efeo effa efke efla eka- ekco ekek ekfc ekka ekoa elac elal elca elce elco elea elec elee elef elek eleo elfa elfc elfe elka elke elko ella elle ello elok eoka eola eole eolo f--k faaa faac faca facc face fack fafa fafc fafe faff fafo fake fako fala falc fale falk fall falo fcal fcca fccf feaf feak feal fece feck feek feel fefc fefe feff fefo feke feko fela fele felf felk fell felo feof ffcc ffee ffff flac flae flak flao flcl flea flee floc floe flok floo foaf foak foal foca foce fock foco fofo foke fola folc fole folk foll folo foof fook fool k-lo kaaa kaaf kaak kaal kacc kace kacl kaco kael kaeo kafa kafc kafe kaff kaka kakc kake kakk kako kala kalc kale kalf kalk kall kalo kaoa kaoc kaok kaol kcaa kcac kcal kcca kccc kcck kccl kcea kcec kcee kcel kceo kcfa kcfc kcfl kcfo kckc kckf kckk kckl kcko kcla kclc kcle kclf kclk kcll kcoe kcof kcol kea- keak keal keca keck keco keef keek keel kefa kefc keff keka kekc keke kekl keko kela kele kelf kelk kell kelo keok keol kfac kfal kfcf kfco kfel kffa kfff kffk kfka kfla kflc kflf kfll kflo kfok kfoo kkaa kkac kkal kkck kkcl kkco kkea kkkk kklc kklf kkll kklo kkoa kkol kkoo klaa klac klaf klak klal klca klcc klce klck klcl klea klec klee klef klek kleo klfa klfc klfe klff klka klkc klkk klkl klko klla kllc klle kllk kloa kloc kloe klok klol kloo koac koae koak koal koca kocf kock koea koel kofa kofc kofe koff kofk kofo koka kokc koke kokf kokk koko kola kolc kole kolf kolk koll kolo kooc kook kool kooo laaa laac laak laal laca lacc lace lack lacl laco lael lafc lafe laff laka lake lala lale lall lalo lcac lcca lccc lcce lcfc leaa leaf leak leal leao leca lece leck leco leea leef leek leel lefa lefe leff leka leke lekk leko lela lele lell lelo leoc leof leok lfca lfcc lkal llao llcc llef lllc llll lloa lloc lloo loac loaf loca locc loce lock loco lofa lofe loff loka loke lokk loko lola lole loll lolo looc looe loof look lool o-eo oafc oafo oake oall ocac ocak ocal occa occc oce ocee ocef ocfa ocke oclc oec- oeca oecc oeec oela oele ofcl ofek off- offa offc offe offo ofla okak okka okko okla oklo okok okol olac olaf olca olcc ole- olea olef oleo olfa olfe olka olla olle ollo olof ooaa ooak ooff oola oolo oooo