c-cd cccc cccf ccdc ccdf ccdr cced ccee ccfc ccfd ccff ccoc ccod ccrc ccre ccrf ccrt cctc cctt cd-e cd-r cddr cdec cdef cder cdfe cdot cdre cec- cece ceco cect cedd cede cedo cedt ceec cef- cefc ceke ceor cer- cerc cerd cere cerf cero cert cet- cete ceto cfcf cfco cffr cfor cfre cfrt cftc cfte cftk cftr ckck ckco ckdo cker ckfr ckoc ckoo ckor ckot ckrc ckrd coce cock coco coct codd code coed cofc cofe coff coft cok- coke coko cood coof cook coot cor- corc cord core corf cork coro corr cort cotc cote coto cott crcc crce crcr crdc cre- crec cred cree creo cret crfc crkc croc crod croe crok croo cror crot crrt crtc crtf ctcf ctec ctfc ctfo ctor ctot ctrc dccc dcct dcfc dcrk dctc dddd ddoc ddot ddrc ddre dec- decc decd dece deck deco dect dedd dede dedo deed deef deek deer deet defe deff defo deft dek- deke deor der- derc dere derf derk dero derr dete detk deto detr dfcc dfco dfdt dfer dfoe dfrf dftr dkdc doce dock doco doct dod- dodd dode dodo doek doer doff doke doko dood doof dook door doot dorc dord dore dorf dork doro dorr dort dotd dote dotk doto dott dred dree dref drek dret drfc drod drof drot dtcc dted dtek dtfc dtor dtot eccc ecce ecco ecct ecdc ecdf eced ecef ecfc ecfr ecko eco- ecod ecot ecrc ecrf ecrr ect- ectc ectf ecto eddc edde eddo ede- eder edoc edod eede eeee eefe eeke eeoc eerc eero eetc eete efco efeo efet efke efor eft- ekco eked ekek eker eket ekfc eocd eode eore eotc eotd eoto ercc erce erde erdf erec ered erer eret erfc erft erke eroc erod eroe eroo errc erre erro etcc etco etec etee eter etfc etfe etoe etok etre etro ette etto f--k fccf fcot fcto fdoc fdot fdtc fece feck fect fede feed feek feer feet fefc fefe feff fefo feke feko feod feof ferc ferd fere ferk fero ferr fert fete fetr fett ffcc ffee ffff ffrr fftf foce fock foco fode foed foer fofo foke food foof fook foot for- ford fore fork foro forr fort fote foto fott frcc fred free freo fret frfc froe frot ft-c ftcd fter ftfc kccc kccd kcck kccr kcct kcdc kcdd kcdr kcec kced kcee kceo kcet kcfc kcfd kcfo kcft kckc kckf kckk kcko kckr kcoe kcof kcor kcot kcrc kcro kcrr kcrt kctc kcte kcto kdcc kdcd kdce kdco kdcr kddc kddd kddf kddk kddr kdec kdef kdet kdfc kdfo kdfr kdft kdkd kdkk kdko kdkr kdkt kdoc kdoe kdok kdot kdrf kdro kdtd kdtr keck keco kecr kedc kedd kede kedo kedr kedt keed keef keek keer keet kefc keff kefr keft kekc keke keko keok ker- kerc kere kerf kerk kero kerr kert ket- ketc ketd kete ketf ketk keto ketr kett kfcd kfcf kfco kfcr kfed kfer kfff kffk kfok kfoo kfor kfrc kfrd kfre kfro kfrr kftc kfte kftk kftt kkcd kkck kkco kkcr kkct kkdc kkdd kkdo kkdt kked kkfr kkft kkkk kkoo kkor kkot kkrc kkre kkrf kkrk kkro kkrr kkrt kktc kktk kocd kocf kock koct kode kodk kodo kodt koed kofc kofe koff kofk kofo koft kokc koke kokf kokk koko kokr kooc kook kooo koor koot korc kord kore korf kork koro korr kort kotc kotd kote kotk koto kotr kott krcc krcd krce krco krdc krdd krde krdo krdr krec kred kree kref krek kreo kret krfc krfd krfe krff krfo krft krkc krkd krke krkk krko krkr kroc krod kroe krof krok kroo kror krrc krre krrf krrk krro krrr krrt krtc krtk krto krtr ktcc ktce ktck ktco ktcr ktdc ktdd ktde ktdf ktdk ktdo ktdr ktec kted ktee ktek ktfc ktfo ktkc ktke ktkk ktko ktkr ktkt ktoc ktoe ktok ktoo ktor ktot ktrc ktre ktrf ktrk ktro ktrr ktrt kttc kttf kttk ktto kttr kttt o-eo occc occt oce oced ocee ocef ocet ocke ocre ocro ocrr oct- octe octo oddd oded odeo oder odet odoo odor odot oec- oecc oedo oeec oere ofcr ofdr ofek ofer off- offc offe offo offr ofor ofre oked oker oket okko okok okor okot okre okro okto oocr ooer ooff oooo oord oore oort orce orco orde ordo ore- orec ored orek oreo orer orfe orff orke orko oro- oroe orof orok oror orot orro ortc orte orto otcd oted otee oter otfc oto- otoe otof otok otoo otor otre otro otte otto rccc rcdc rcde rcet rcfc rcrd rctc rder rdoc recc recd rece reck recr rect redc redd rede redo redr reed reef reek reet refd refe reff refr reft reke reko rekt reod reof reot rerd rere rero rert retd rete reto retr rett rfef rffc rftc rkkf rocc roce rock roco rodd rode rodo roed roer roet rofc rofe roff rofo roke rokk roko rokr rood roof rook roor root rorc rore rork roro rort rotc rote rotk roto rotr rott rred rrfc rrrr rtcc rtce rtdt rtee rtfc tccc tcdd tcfc tctc tdff tdkr tdor teck teco tecr tect tedd tede tedk teec teed teef teek teer teet tefc teff teft teke teok teor ter- terc tere terf terk tero terr tete teto tetr tett tfdc tfec tfot tftc tkod tkof toce tock toco todd tode todo todt toed toee toek toer toet toff tofo toft toke toko tood toof took toor toot torc tord tore torf tork toro torr tort totc totd tote toto totr tott trcc tre- trec tred tree tref trek treo tret trfc trfd trfr troc trod troe troo trot trtc trte trtr tteo tter ttfc ttff ttoe tttt