-tree c-cor c-tec ccccc ccett cech ceche cecht ceco- ceere ceoce ceoor cerc- cerce cerco cerec cerer ceret cerke cero- ceroc cerre cerro certe ceto- cette chech check cheek cheer cheet cheho chehr chekc cheke cheo cheok chere chero chert chete cheth cheto chett chher chock choco choke chokh choko chokt chook choor chor- chore chork choro chort chote chott co-co cocc- cocce cocco coceo coche cocke cockt cocto coete cohee cohoe cohoo coker coket cokk- cokot cooch cooee cooer cooke cookt coore coote cooth corce core- coree corer corke coro- corot corre corte corto cotch coter cothe cott- cotte cotto crece creek creer creke creo- creot crete croce crock croco croke crokt crooe crook croot crore crote croth crott ctree cttee eccho echte ecker ecthr ecto- ector ectot eecke eeeee eetch eheke ehret ekeko ekker ektor eocho eorre erech erect erere erkec erkko erkoc eroor erore eroto error erte erter erthe etche eteke etete ether etho- ethoc etoko etoro etree etrek etter h-cho hcooh he-he he-ro hecco heche hecht hecke hect- hecte hecto heere heete hehte heker hekk- hekte heore herce herek herke heroe herre herro herte herth herto hetch hetek heter hethe hette hetto hheth hhhhh hkcee ho-ho ho-oh hocco hoche hocke hoeke hohoe hohot hoker hoket hokke hooce hooch hooer hooke hookt hoore hoort horce horch horhe horre horro horth horto hotch hothe hothr hotot hotte hotto hreoc hrere hroch hthrt htree kecer keche keech keeho keere kehek kehoe kehte kekec kerch kerek keret kerre ketch ketek keter kethe keto- kette ketto kheer kheth khoro ko-ko kocek kocer kocke koech kohte koker koket kokko kokor kokot kokre korck korec koreh korek korke koror korro korte korth kotch kotor kotto kre-o kreek kreke kreo- krete krock kroke kroot krtok ocher ochre ochro ocker ockro ocoee ocote ocree octet octo- octor oeco- oerth oh-oh oh-ok ohchr ohrot ohthe okcho okeke okere oketo okhre okker okoc okoho okoro oo-er oocre ooher ooooh ooooo oothe orcet orech oreck oreco oreo- orere orero oroch oroco oroer oroke orret orter ortet orth- orthe ortho ortok ortoo otere otero other othre otoce ototo otrok otter r-co- recce recco recet reche recht recke rect- recte recto reece reech reere reerh reeth rehco reher rehet rehoe rekke rere- reree reret retch retee reter rethe retro rette retto rheo- rhett rhoeo ro-ro rocco roche rocht rocke rocko rocor roero rokee roker roket rokke rokkk rokot rokto rooer rooke rookh roore roote rorer rorke rotch roter rothe rotho rotko roto- rotor rotot rotte rotto rt-rk tecch teche techo teech teeko teeth tehee teket tekke tekko teoco terce terco terek teret terok teror terre terro tert- tetch teter tethe tetr- tetro tette thec- theck thect theek theer theke theo- theoc theor ther- there therk thero thete theth thoch thock thoke thore thoro thorr thort thoth thre- three threo thret throe throo throt to-ho tocco toche toco- toece toerr toeto toher tohoe tohot toker tokke tokko toko- tokor tooke tookh toore tooth torce torch toreo toret torht torke torok torre torro torte torto toter tothe toto- totoe totok totoo totte treck treco treer treet trere trete trett troch trock troco troee troke troth trott tteok ttttt