a-ak a-ok a-wa aaaa aaac aaae aaaf aaar aaca aacc aace aacf aack aaco aacr aaea aaec aafa aafc aaff aaka aake aaoe aaoo aaow aara aarc aare aaro aaww acaa acac acae acar acca accc acce accf acco ace- acea acec acek acer acfc acfe acke ackw acoa acoe acor acow acr- acra acrc acre acro acrr acwa acww aeac aeaf aeer aeka aer- aera aerc aero afaa afak afao afar afca afcc afcw afee afek afer afew affa affc affo affw afka afkr afoa afoe afoo afor afr- afra afrc afre afro akaa akae akao akar akca akee aker akka akko akok akr- akra akre akwa aoca aoce aora arac arae araf arak arar araw arc- arca arce arco area arec aree aref arek areo arew arfa arfc arff arka arke arko aroa aroe aroo aror arow arr- arra arrc arre arrk arro arrr arwa arwe awac awae awar awe- awee awer awfc awka awoo awow awre awro awwa caaa caac caaf cac- caca cacc cace cack caco cacr cacw caec caer cafa cafc cafe caff caka cake caor cara carc care carf cark caro carr cawf cawk ccaa ccac ccaf ccar ccca cccc cccf ccee ccfa ccfc ccff cckw ccoc ccow ccra ccrc ccre ccrf ceac cear cec- ceca cece ceco ceec cef- cefa cefc ceke ceor cer- cera cerc cere cerf cero cewa cewe cfaa cfac cfae cfao cfar cfca cfcf cfco cfcw cffr cfoa cfor cfra cfre cfrw cfwc ckac ckck ckco ckcw cker ckfr ckoa ckoc ckoo ckor ckrc ckrw ckwr ckww coak coca coce cock coco cofc cofe coff cok- coka coke coko coof cook cor- cora corc core corf cork coro corr cowe crac craf crar craw crca crcc crce crcr cre- crea crec cree creo crew crfc crkc croc croe crok croo cror crow cwac cwer cwfc cwrw eaaf eaca eacc eaec eara eare earo earw ecaa ecac ecao ecar ecca eccc ecce ecco ecef ecfa ecfc ecfr ecka ecko eco- ecra ecrc ecrf ecrr ecwa eeca eeea eeee eefa eefe eeka eeke eeoc eera eerc eero efca efco efeo effa efke efor eka- ekco ekek eker ekfc ekka ekoa ekwe eoka eora eore eraf erca ercc erce erec erer erew erfc erke eroc eroe eroo erra errc erre erro ewer ewew ewok ewre f--k faaa faac faca facc face fack fafa fafc fafe faff fafo fake fako fara farc fare fark faro farr fawe fawf fcar fcca fccf fcra feaf feak fear fece feck feek feer fefc fefe feff fefo feke feko feof fera ferc fere ferk fero ferr fewa fewe ffar ffcc ffee ffff ffrr foaf foak foar foca foce fock foco foer fofo foke foof fook for- fora fore fork foro forr fowe fowk frac frae frak frcc frea free freo frew frfc froe frow fwcc fwfc kaaa kaaf kaak kaar kacc kace kaco kacw kaeo kaer kafa kafc kafe kaff kafr kafw kaka kakc kake kakk kako kaoa kaoc kaok kaor kaow kara kare karf kark karo karr karw kaw- kawa kawc kawe kawk kawo kaww kcaa kcac kcar kcaw kcca kccc kcck kccr kcea kcec kcee kceo kcfa kcfc kcfo kckc kckf kckk kcko kckr kcoe kcof kcor kcow kcrc kcro kcrr kcrw kcwa kcwc kcwe kcwf kcwk kcwr kea- keak kear keca keck keco kecr keef keek keer kefa kefc keff kefr keka kekc keke keko keok ker- kera kerc kere kerf kerk kero kerr kewa kewe kewf kewr kfac kfar kfcf kfco kfcr kfcw kfer kffa kfff kffk kfka kfok kfoo kfor kfra kfrc kfre kfro kfrr kfrw kfwa kfwr kkaa kkac kkar kkaw kkck kkco kkcr kkcw kkea kkfr kkkk kkoa kkoo kkor kkow kkrc kkre kkrf kkrk kkro kkrr kkwe kkwf kkwk koac koae koak koar koca kocf kock kocw koea kofa kofc kofe koff kofk kofo koka kokc koke kokf kokk koko kokr kooc kook kooo koor kora korc kore korf kork koro korr kowa kowe kowr krac krae krak krar kraw krca krcc krce krco krcw krea krec kree kref krek kreo krew krfc krfe krff krfo krka krkc krke krkk krko krkr krkw kroa kroc kroe krof krok kroo kror krow krrc krre krrf krrk krro krrr krrw krwa krwc krwk krwr kwac kwak kwar kwaw kwca kwck kwcr kwee kwfc kwfr kwka kwkc kwkk kwkr kwkw kwoa kwoc kwof kwok kwor kwow kwre kwrf kwrk kwro kwrr kwrw kwwf kwwk kwwr o-eo oaer oafc oafo oake oara oare ocac ocak occa occc oce ocee ocef ocfa ocke ocra ocre ocro ocrr oec- oeca oecc oeec oera oere ofcr ofek ofer off- offa offc offe offo offr ofor ofra ofre okak oker okka okko okok okor okra okre okro ooaa ooak oocr ooer ooff oooo oora oore orac orae orak orao orar orca orce orco ore- orea orec orek oreo orer orfe orff orka orke orko oro- oroe orof orok oror orra orro orwa orwe orwo owar owea ower owfe owoe owow owre owwa raaf raak rac- raca racc race rack raco raec raef raer rafa rafc rafe raff raka rake rakk raoc raok rara rare rarf rark raro rawa rawe rawk rawr raww rcac rcaf rccc rcfc rea- reac reae reaf reak reao rear reca recc rece reck recr reef reek refe reff refr reka reke reko reof rera rere rero rewa rewe rfae rfef rffc rkkf roaf roak roar roca rocc roce rock roco roea roer rofc rofe roff rofo roka roke rokk roko rokr roof rook roor rora rorc rore rork roro rowa rowe rowf rowk rowr roww rrfc rrrr waaa waac waaf waao waar waaw waca wacc wace wack waco waec waee waer waew wafa wafc wafe waff wafr waka wake wakf wakk wako wakr wakw waoc waoe waok waoo waor waow war- wara warc ware warf wark waro warr warw wawa wawc wawe wawf wawk wawo wcae wcao wcar wcca wccc wcce wccf wcck wcco wccr wccw wcec wcee wcef wceo wcer wcfc wcfo wcfr wcfw wcka wckf wckk wckr wckw wcoa wcoc wcoe