-tree c-cor c-dot c-tec ccccc ccett ceco- ceddo ceded ceder cedor cedr- cedre cedro ceede ceedo ceere ceoce ceoor cerc- cerce cerco cerdo cerec cered cerer ceret cero- ceroc cerre cerro certe ceto- cette co-co co-ed cocc- cocce cocco coceo cocto codco codde codec coded coder codo coete coode cooed cooee cooer coord coore coote corce corde core- cored coree corer coro- corod corot corre corte corto coted coter cott- cotte cotto crece crede credo creed creer creo- creot crete croce croco crode crodo crood crooe croot crore crote crott ctree cttee d-dot d-rod dcore ddddd decet decor dedde dedee deder deece deede deere deore deoro derce derde dered dero- derre derro deter detoo detre dette do-do doced docer docet dodec dodoo dodro doerr dooce doodo doore doote dorce dordt dored doree doret dorot dorre dorte doted doter dotoo dotto drdre dredd drede dreed drere drode drood drote drott e-dee e-otd ecord ecto- ector ectot edder eddoe eddre edeo- edere edocr edoor edott edred eeeee eerde eorre erdec erdoc erdor erdre erect erede erere erode erodr eroor erore eroto erred error erte erter etete etoro etree etter ocoee ocote ocree octet octo- octor odder odeco odeto odore oeco- oo-er oocre ooooo orcet order ordet ordoc ordre ordro oreco oredo oreed oreo- orere orero oroco orodo oroer orret orter ortet ortoo otere otero otoce ototo otter r-co- recce recco reced recet rect- recte recto redco redde reder redoc redor redot reece reede reere reord rerde rere- reree reret reted retee reter retro rette retto ro-ro rocco rocor rodde roded rodeo roder rodoc rodor roero roode rooer roore roote rorer roted roter roto- rotor rotot rotte rotto teder teerd teoco teodo terce terco teret teror terre terro tert- teter tetr- tetro tette to-do tocco toco- toder todor toece toerr toeto toode tooed toord toore torce torde tored toreo toret torre torro torte torto toted toter toto- totoe totoo totte treco treed treer treet trere trete trett troco trode troee trood trott ttttt