-tree c-cor c-dot c-tec ccccc ccett ceco- ceddo ceded ceder cedor cedr- cedre cedro ceede ceedo ceere cefor 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 cofer coffe cofre coode cooed cooee cooer coord coore coote corce corde core- cored coree corer corfe corfo coro- corod corot corre corte corto coted coter cott- cotte cotto crece crede credo creed creer creft creo- creot crete croce croco crode crodo croft crood crooe croot crore crote crott ctree cttee d-dot d-rod dcore ddddd decet decor dedde dedee deder deece deede deefe deeff deere defce defed defeo defer defet deffe deffo defoe defot deore deoro derce derde dered dero- derre derro deter detoo detre dette do-do doced docer docet dodec dodoo dodro doerr dofor dooce doodo doore doote dorce dordt dored doree doret dorff dorot dorre dorte doted doter dotoo dotto drdre dredd drede dreed dreff dreft dreof drere drode drofe droff drood droof drote drott e-dee e-otd ecoff ecord ectfe ecto- ector ectot edder eddoe eddre edeo- edere edfor edocr edoor edott edred eeeee eefde eerde efere efetf effed effer effet efore efter eofor eorre erdec erdoc erdor erdre erect erede erere erfde erode erodr eroor erore eroto erred error erte erter etete etoro etree etter fedco fedde fedee feder fedor fedto feeor feere fefor feode feoff feood ferce ferde fered feret ferr- ferre ferro ferte feted feter feto- fetor fette focer fodor foord foore foote force ford- forde fordo fore- foreo foret forro forte forto fotte frede fredo freed freer freet frere frett frodo froed frood froot frore frote ftord ftrtt o-fer ocftc ocoee ocote ocree octet octo- octor odder odeco odeto odore odttf oeco- offed offer offof offre offto ofoto ofter oo-er oocre ooooo orcet order ordet ordoc ordre ordro oreco oredo oreed oreo- orere orero orfeo orfoe orfor 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 reefe reeft reere refco refed refer refet reffe reffo reord rerde rere- reree reret reted retee reter retro rette retto ro-ro rocco rocor rodde roded rodef rodeo roder rodoc rodor roero roffe rofor roode rooer roofe rooft roore roote rorer roted roter roto- rotor rotot rotte rotto tedef teder teerd tefe teoco teodo terce terco teret teror terre terro tert- teter tetr- tetro tette to-do tocco toco- toder todor toece toeof toerr toeto tofet toffo tofor tofte toode tooed toord toore torce torde tored toreo toret torre torro torte torto toted toter toto- totoe totoo totte treco treed treer treet trefe treff trere trete trett troco trode troee trofe troff troft trood trott ttttt