c-cor ccccc cech ceche ceco- ceere cefor ceoce ceoor cerc- cerce cerco cerec cerer cerke cero- ceroc cerre cerro cfhof chech check cheek cheer chefe cheff cheho chehr chekc cheke cheo cheok chere chero chher chock choco choff choke chokh choko choof chook choor chor- chore chork choro co-co cocc- cocce cocco coceo coche cocke cofer coffe cofre cohee cohoe cohoo coker cokk- cooch cooee cooer cooke coore corce core- coree corer corfe corfo corke coro- corre crece creek creer creke creo- croce crock croco croke crooe crook crore eccho ecker ecoff eecke eeeee efere effer efore eheke ekeko ekker eocho eofor eorre erech erere erkec erkko erkoc eroor erore error feche feeor feere fefor feher feock feoff ferce ferch ferr- ferre ferro focer foche focke fokke foore force forch fore- foreh foreo forro freck freeh freek freer freke frere frock frore h-cho hcooh he-he he-ro hecco heche hecke heere hefer heffe heker hekk- heore herce herek herke heroe herre herro hhfce hhhhh hkcee ho-ho ho-oh hocco hoche hocke hoeke hofer hohoe hoker hokke hooce hooch hooer hooke hoore horce horch horhe horre horro hreoc hrere hroch kecer keche keech keefe keeho keere kefee kehek kehoe kekec kerch kerek kerre kheer kherf khoro ko-ko kocek kocer kocke koech koker kokko kokor kokre korck korec koreh korek korff korke koror korro kre-o kreef kreek kreke kreo- krock kroke o-fer ocher ochre ochro ocker ockro ocoee ocree oeco- offek offer offof offre ofher oh-oh oh-ok ohchr ohfoo okcho okeke okere okhre okker okoc okoho okoro oo-er oocre ooher ooooh ooooo orech oreck oreco oreo- orere orero orfeh orfeo orfoe orfor oroch oroco oroer oroke r-co- recce recco reche recke reece reech reefe reere reerh refco refer reffe reffo rehco reher rehoe rekke rere- reree rheo- rhoeo ro-ro rocco roche rocke rocko rocor roero roffe rofor rohff rokee roker rokke rokkk rooer roofe rooke rookh roore rorer rorke