cccc cccf ccee ccfc ccff cche cchr ccoc ccrc ccre ccrf cec- cece ceco ceec cef- cefc ceke ceor cer- cerc cere cerf cero cfcf cfco cffr cfhk cfor cfre chce chch chec chee chef cheh chek cher chfc chfr choc choh chok choo chor chrc chrf chro chrr ckch ckck ckco cker ckfr ckoc ckoo ckor ckrc coce coch cock coco cofc cofe coff coho cok- coke coko coof cooh cook cor- corc core corf cork coro corr crcc crce crcr cre- crec cree creh creo crfc crkc croc croe croh crok croo cror eccc ecce ecco ecef ecfc ecfr eche echo ecko eco- ecrc ecrf ecrr eeee eefe eeke eeoc eerc eero efco efeo efke efor ehcc eheh eher ehre ekch ekco ekek eker ekfc ekho eore ercc erce erch erec erer erfc erhc erke eroc eroe eroo errc erre erro f--k fccf fcch fece fech feck feek feer fefc fefe feff fefo fehr feke feko feof feoh ferc fere ferk fero ferr ffcc ffee ffff ffrr foce foch fock foco foer fofo fohr foke foof fook for- fore fork foro forr frcc free freo frfc froe froh hccc hcch hcfc hech heck heef heek heer hefe hehe heho heke heor herc here herk hero herr hfce hhhh hhof hkcc hoce hoch hock hocr hoek hoer hofe hoff hohe hoho hoke hoko hooe hoof hook hoor horc hore hork horo horr hree hrfc hrrc kccc kcck kccr kcec kcee kceo kcfc kcfh kcfo kche kchf kchh kchk kcho kchr kckc kckf kckk kcko kckr kcoe kcof kcoh kcor kcrc kcrh kcro kcrr kech keck keco kecr keef keeh keek keer kefc keff kefh kefr kehk kehr kekc keke keko keok ker- kerc kere kerf kerk kero kerr kfcf kfch kfco kfcr kfer kfff kffk kfhc kfok kfoo kfor kfrc kfre kfrh kfro kfrr khcc khcf khch khck khec kher khfr khhk khho khke khkk khkr khoc khoe khok khor khrk khro khrr kkch kkck kkco kkcr kkfr kkhh kkhk kkhr kkkk kkoh kkoo kkor kkrc kkre kkrf kkrh kkrk kkro kkrr kocf koch kock kofc kofe koff kofh kofk kofo kohh koho kohr kokc koke kokf kokh kokk koko kokr kooc kook kooo koor korc kore korf kork koro korr krcc krce krch krco krec kree kref kreh krek kreo krfc krfe krff krfo krhc krkc krke krkh krkk krko krkr kroc kroe krof kroh krok kroo kror krrc krre krrf krrk krro krrr o-eo occc oce ocee ocef oche ocke ocre ocro ocrr oec- oecc oeec oere ofcr ofek ofer off- offc offe offh offo offr ofor ofre ohcc ohee oher ohho ohoh ohok ohre okeh oker okko okok okor okre okro oocr ooer ooff ooho oooh oooo oore orce orch orco ore- orec oreh orek oreo orer orfe orff orhe orke orko oro- oroe orof orok oror orro rccc rcfc recc rece rech reck recr reef reek refe reff refr rehe reke reko reof rere rero rfef rffc rhce rhee rheo rhoc rhoh rkkf rocc roce roch rock roco roer rofc rofe roff rofo rohe rohr roke rokh rokk roko rokr roof rook roor rorc rore rork roro rrfc rrrr