-tree d-dot d-rod ddddd dedde dedee deder deede deefe deeff deere deeth defed defeo defer defet deffe deffo defoe defot deore deoro derde dered dero- derre derro derth deter dethe detho detoo detre dette dhedh dhoot dhote do-do dodoo dodro doerr doeth dofor doodo doore doote dooth dordt dored doree doreh doret dorff dorot dorre dorte dorth doted doter dothe dotoo dotto drdre dredd drede dreed dreff dreft drehe dreof drere drode drofe droff drood droof drote drott e-dee e-otd edder eddoe eddre edeo- edere edfor edoor edott edred eeeee eefde eerde efere efetf effed effer effet efore efter ehret eofor eorre erdor erdre erede erere erfde erode erodr eroor erore eroto erred error erte erter erthe etete etfdh ether etho- etoro etree etter fedde fedee feder fedor fedto feeor feere fefor feher feode feoff feood ferde fered feret ferr- ferre ferro ferte ferth feted feteh feter feto- fetor fette fodor foord foore foote ford- forde fordo fore- foreh foreo foret forro forte forth forto fotte frede fredo freed freeh freer freet frere frett frhed frodo froed frood froot frore frote froth ftord ftrtt he-he he-ro hedde heded heder heede heerd heere heete hefed hefer heffe hefte hehte heore herdt herod heroe herre herro herte herth herto heter hethe hette hetto hheth hhhhh hhtdd ho-ho ho-oh hodde hoder hodhr hodod hoedd hoeft hofer hofte hohoe hohot hooed hooer hooft hoord hoore hoort horde hordt horhe horod horre horro hortd horth horto hoted hothe hothr hotot hotte hotto hrere hthrt htree o-fer odder oddhe odeto odore odttf oerth offed offer offof offre offto ofher ofoto ofter ofthe oh-oh oheed ohfoo ohrot ohthe oo-er oohed ooher ooooh ooooo oothe order ordet ordre ordro oredo oreed oreo- orere orero orfeh orfeo orfoe orfor orodo oroer orret orter ortet orth- orthe ortho ortoo otere otero other othre ototo otter redde reder redor redot reede reefe reeft reere reerh reeth refed refer refet reffe reffo rehed reher rehet rehoe reord rerde rere- reree reret reted retee reter rethe retro rette retto rhede rheo- rhett rhod- rhode rhodo rhoeo ro-ro rodde roded rodef rodeo roder rodor roero roffe rofor rohde rohff rohod roode rooer roofe rooft roore roote rorer roted roter rothe rotho roto- rotor rotot rotte rotto tedef teder teerd teeth tefe tehee teodo teret teror terre terro tert- teter tethe tetr- tetro tette thede theed theef theer theft theo- theod theof theor ther- there therf thero thete theth thode thofe thoff thoft thore thoro thorr thort thoth thre- thred three thref threo thret throd throe throo throt to-do to-ho toder todor toeof toerr toeto tofet toffo tofor tofte toher tohoe tohot toode tooed toord toore tooth torde tored toreo toret torht torre torro torte torto toted toter tothe toto- totoe totoo totte treed treer treet trefe treff trere trete trett trhde trhdr trode troee trofe troff troft trood troth trott ttttt