-tree c-cor c-tec ccccc ccett cech ceche cecht ceco- ceere ceoce ceoor cerc- cerce cerco cerec cerer ceret cero- ceroc cerre cerro certe ceto- cette chech cheer cheet cheez cheho chehr cheo chere chero chert chete cheth cheto chett cheze chher choco choor chooz chor- chore choro chort chote chott co-co cocc- cocce cocco coceo coche cocto coete cohee cohoe cohoo cooch cooee cooer coore coote cooth cooze corce core- coree corer coro- corot corre corte corto corze corzo cotch coter cothe cott- cotte cotto cozhe cozzo crece creer creo- creot crete croce croco crooe croot crore crote croth crott croze ctree cttee czech eccho ecczt echte ecthr ecto- ector ectot eeeee eetch ehret eocho eorre erech erect erere eretz eroor erore eroto error erte erter erthe etche etete ether etho- ethoc etoro etree etter h-cho hcooh he-he he-ro hecco heche hecht hect- hecte hecto heere heete heeze hehte heore herce herez heroe herre herro herte herth herto hertz hetch heter hethe hette hetto hheth hhhhh ho-ho ho-oh hocco hoche hohoe hohot hooce hooch hooer hoore hoort hooze horce horch horhe horre horro horth horto horze hotch hothe hothr hotot hotte hotto hotze hreoc hrere hroch hthrt htree ocher ochoz ochre ochro ocoee ocote ocree octet octo- octor oeco- oerth oh-oh ohchr ohrot ohthe oo-er oocre ooher ooooh ooooo oothe orcet orech oreco oreo- orere orero oroch oroco oroer orret orter ortet orth- orthe ortho ortoo ortze otere otero other othre otoce ototo otter ozero ozoro r-co- recce recco recet reche recht rect- recte recto reece reech reere reerh reeth reetz reeze rehco reher rehet rehoe rere- reree reret rerez retch retee reter rethe retro rette retto rezzo rheo- rhett rhoeo ro-ro rocco roche rocht rocor roero rooer roore roote rorer rotch roter rothe rotho roto- rotor rotot rotte rotto rotz rotzo rozce rozet tecch teche techo teech teeth tehee teoco terce terco teret teror terre terro tert- terzo tetch teter tethe tetr- tetro tette thec- thect theer theo- theoc theor ther- there thero thete theth theze thoch thore thoro thorr thort thoth thre- three threo thret throe throo throt to-ho tocco toche toco- toece toerr toeto toher tohoe tohot toore tooth tooze torce torch toreo toret torez torht torre torro torte torto toter tothe toto- totoe totoo totte tozee tozer treco treer treet trere trete trett troch troco troee trooz troth trott trzec ttttt tzere tzero z-ter zecco zeero zeher zerco zeroc zeror zerre zerto zetor zocco zocor zohor zohzc zorch zorro zotto zzzzz