-tree c-cor c-tec ccccc ccett cech ceche cecht ceco- ceere ceoce ceoor cerc- cerce cerco cerec cerer ceret cero- ceroc cerou cerre cerro certe ceto- cette chech cheer cheet cheho chehr cheo chere chero chert cheru chete cheth cheto chett cheue chher choco choor chor- chore choro chort chote chott choue chout chueh chuet chur- chure churr churt churu chute co-co cocc- cocce cocco coceo coche cocto cocur coete coeur cohee cohoe cohoo cohue cooch cooee cooer coore coote cooth corce core- coree corer coreu coro- corot corre corte corto cotch coter cothe cott- cotte cotto cottu couch couco couer couhe coure court couru couth couto coutu crece creer creo- creot crete cretu creu- creue croce croco crooe croot crore crote croth crott crout cruce cruet cruor crure cruth ctree cttee cuche cuero cueto cuoco cuore curce curch curer curet curre curro curto cutch cutco cutcu cutee cuter cuthe cutro cutto eccho echte ecthr ecto- ector ectot eeeee eetch ehret eocho eochu eorre erech erect erere eroor erore eroto error errtu erte erter erthe eruct etche etchu etete ether etho- ethoc etoro etour etree etter eturu eucre euro- eurre h-cho hcooh he-he he-ro hecco heche hecht hect- hecte hecto heere heete hehte heore herce heroe herre herro herte herth herto hertu herur herut hetch heter hethe hette hetto hetur heuch heuer heure heurt heute hheth hhhhh hhour ho-ho ho-oh hocco hoche hohoe hohot hooce hooch hooer hoore hoort horce horch horhe horre horro horru horth horto hotch hothe hothr hotot hotte hotto houce houch hourc houre houtu hreoc hrere hroch hthrt htree hucch huche hucho hueco huere huete huhuh hureh hurre hurtt hurtu hutch hutor hutte hutto huttu huuru occur ocher ochre ochro ocoee ocote ocree octet octo- octor oeco- oerth oh-oh ohchr ohour ohrot ohthe oo-er oocre ooher ooooh ooooo oothe orcet orech oreco oreo- orere orero oroch oroco oroer orout orret orter ortet orth- orthe ortho ortoo oruce oruch oruro orutu otere otero other othou othre othur otoce ototo otour otter ottur oture ouche oucho oucht ouert ouhte ouoro ource oure- outch outer outre outro outto r-co- recce recco recet reche recht rect- recte recto recue recur recut reece reech reere reerh reeth rehco reher rehet rehoe rehue rere- reree reret retch retee reter rethe retro rette retto reuer reuet reute reuth rheo- rhett rhoeo ro-ro rocco roche rocht rocor rocou roero rohru rooer roore roote rooue rorer rotch roter rothe rotho roto- rotor rotot rotte rotto rouch rouer rouet rouhe roure route routh routt rucer ruche ruere ruete rueth rurec rutch ruteh ruter ruthe ruthu rutte ruuth ruutu tchuh tecch teche techo tecou teech teeth tehee teoco terce terco teret tereu teror terre terro tert- teruo tetch teter tethe tetr- tetro tette teuch teuhe teuto thec- thect theer theeu theo- theoc theor ther- there thero thete theth theue thoch thore thoro thorr thort thoru thoth thour thout thre- three threo thret threu throe throo throt throu thrue thuet thure thurt thuru thute to-ho tocco toche toco- tocut toece toerr toeto toher tohoe tohot toore tooth torce torch toreo toret torht torre torro torte torto tortu torue toter tothe toto- totoe totoo totte touch touho toure touro toute treco treer treet trere trete trett treut troch troco troee troth trott troue trout truce truch truco truer truro trute truth ttttt tucet tuche tucht tuctu tuech tuero tuhte tuotu turco tureh turet turoc turot turre turro turtu turut tutch tutee tuteo tutor tutte tutto tuuru u-cee ucero uchee ucheh uchte uchuu uh-ee uh-oh uh-uh uhecr uhhoh uhhuh uhuru uouee urech ureo- urour urter urthe uruce urucu urutu uter- utero uther utro- utror utter uttur uturu ututo uuuuu