c-cor ccccc cech ceche ceco- ceere ceoce ceoor cerc- cerce cerco cerec cerer cerke cero- ceroc cerre cerro chech check cheek cheer cheho chehr chekc cheke cheo cheok chere chero chher chock choco choke chokh choko chook choor chor- chore chork choro co-co cocc- cocce cocco coceo coche cocke cohee cohoe cohoo coker cokk- cooch cooee cooer cooke coore corce core- coree corer corke coro- corre crece creek creer creke creo- croce crock croco croke crooe crook crore eccho ecker eecke eeeee eheke ekeko ekker eocho eorre erech erere erkec erkko erkoc eroor erore error h-cho hcooh he-he he-ro hecco heche hecke heere heker hekk- heore herce herek herke heroe herre herro hhhhh hkcee ho-ho ho-oh hocco hoche hocke hoeke hohoe hoker hokke hooce hooch hooer hooke hoore horce horch horhe horre horro hreoc hrere hroch kecer keche keech keeho keere kehek kehoe kekec kerch kerek kerre kheer khoro ko-ko kocek kocer kocke koech koker kokko kokor kokre korck korec koreh korek korke koror korro kre-o kreek kreke kreo- krock kroke ocher ochre ochro ocker ockro ocoee ocree oeco- oh-oh oh-ok ohchr okcho okeke okere okhre okker okoc okoho okoro oo-er oocre ooher ooooh ooooo orech oreck oreco oreo- orere orero oroch oroco oroer oroke r-co- recce recco reche recke reece reech reere reerh rehco reher rehoe rekke rere- reree rheo- rhoeo ro-ro rocco roche rocke rocko rocor roero rokee roker rokke rokkk rooer rooke rookh roore rorer rorke