-tree d-dot d-rod ddddd dedde dedee deder deede deere deore deoro derde dered dero- derre derro deter detoo detre dette do-do dodoo dodro doerr doodo doore doote dordt dored doree doret dorot dorre dorte doted doter dotoo dotto drdre dredd drede dreed drere drode drood drote drott e-dee e-otd edder eddoe eddre edeo- edere edoor edott edred eeeee eerde eorre erdor erdre erede erere erode erodr eroor erore eroto erred error erte erter etete etoro etree etter odder odeto odore oo-er ooooo order ordet ordre ordro oredo oreed oreo- orere orero orodo oroer orret orter ortet ortoo otere otero ototo otter redde reder redor redot reede reere reord rerde rere- reree reret reted retee reter retro rette retto ro-ro rodde roded rodeo roder rodor roero roode rooer roore roote rorer roted roter roto- rotor rotot rotte rotto teder teerd teodo teret teror terre terro tert- teter tetr- tetro tette to-do todor toerr toeto toode tooed toord toore torde tored toreo toret torre torro torte torto toted toter toto- totoe totoo totte treed treer treet trere trete trett trode troee trood trott ttttt