cccc ccee cche cchr ccoc ccrc ccre cec- cece ceco ceec ceke ceor cer- cerc cere cero chce chch chec chee cheh chek cher choc choh chok choo chor chrc chro chrr ckch ckck ckco cker ckoc ckoo ckor ckrc coce coch cock coco coho cok- coke coko cooh cook cor- corc core cork coro corr crcc crce crcr cre- crec cree creh creo crkc croc croe croh crok croo cror eccc ecce ecco eche echo ecko eco- ecrc ecrr eeee eeke eeoc eerc eero ehcc eheh eher ehre ekch ekco ekek eker ekho eore ercc erce erch erec erer erhc erke eroc eroe eroo errc erre erro hccc hcch hech heck heek heer hehe heho heke heor herc here herk hero herr hhhh hkcc hoce hoch hock hocr hoek hoer hohe hoho hoke hoko hooe hook hoor horc hore hork horo horr hree hrrc kccc kcck kccr kcec kcee kceo kche kchh kchk kcho kchr kckc kckk kcko kckr kcoe kcoh kcor kcrc kcrh kcro kcrr kech keck keco kecr keeh keek keer kehk kehr kekc keke keko keok ker- kerc kere kerk kero kerr khcc khch khck khec kher khhk khho khke khkk khkr khoc khoe khok khor khrk khro khrr kkch kkck kkco kkcr kkhh kkhk kkhr kkkk kkoh kkoo kkor kkrc kkre kkrh kkrk kkro kkrr koch kock kohh koho kohr kokc koke kokh kokk koko kokr kooc kook kooo koor korc kore kork koro korr krcc krce krch krco krec kree kreh krek kreo krhc krkc krke krkh krkk krko krkr kroc kroe kroh krok kroo kror krrc krre krrk krro krrr o-eo occc oce ocee oche ocke ocre ocro ocrr oec- oecc oeec oere ohcc ohee oher ohho ohoh ohok ohre okeh oker okko okok okor okre okro oocr ooer ooho oooh oooo oore orce orch orco ore- orec oreh orek oreo orer orhe orke orko oro- oroe orok oror orro rccc recc rece rech reck recr reek rehe reke reko rere rero rhce rhee rheo rhoc rhoh rocc roce roch rock roco roer rohe rohr roke rokh rokk roko rokr rook roor rorc rore rork roro rrrr