dddd ddot ddre dedd dede dedo deed deef deer deet defe deff defo deft deor der- dere derf dero derr dete deth deto detr dfdt dfer dfoe dfrf dftr dhed dhee dher dhod dhor dod- dodd dode dodo doer doff dohr dood doof door doot dord dore dorf doro dorr dort dotd dote doth doto dott dred dree dref dreh dret drod drof droh drot dted dthd dtor dtot edde eddo ede- edeh eder edod eede eeee eefe eero eete eeth efeo efet efor eft- ehdd eheh eher ehre ehte eode eore eotd eoto erde erdf ered erer eret erft erod eroe eroo erre erro erth etee eter etfe eth- ethe etho etoe etoh etre etro ette etto fdot fede feed feer feet fefe feff fefo fehd fehr feod feof feoh ferd fere fero ferr fert fete feth fetr fett ffee ffff ffrr fftf fode foed foer fofo fohr food foof foot for- ford fore foro forr fort fote foth foto fott fred free freo fret froe froh frot fter hdod hdtt hedd hede hedo heed heef heer heet hefd hefe heft hehe heho heor herd here hero herr hert hete heth heto hett hhhh hhof hode hodh hodr hoed hoer hofe hoff hohe hoho hood hooe hoof hoor hoot hord hore horo horr hort hotd hote hoth hoto hotr hott hree hrod hrte htet htoh httr o-eo oddd oded odeo oder odet odoh odoo odor odot oedo oere ofdr ofer off- offe offh offo offr ofor ofre ohed ohee oher ohho ohoh ohre ohte ohto ooer ooff ooho oooh oooo oord oore oort orde ordo ore- ored oreh oreo orer orfe orff orhe oro- oroe orof oror orot orro orte orth orto oted otee oter othe otho othr oto- otoe otof otoh otoo otor otre otro otte otto rder redd rede redh redo redr reed reef reet refd refe reff refr reft rehe reht reod reof reot rerd rere rero rert retd rete reth reto retr rett rfef rhee rheo rhet rhod rhoh rodd rode rodo roed roer roet rofe roff rofo rohe rohr rood roof roor root rore roro rort rote roth roto rotr rott rred rrrr rtdt rtee tdff tdor tedd tede teed teef teer teet teff teft teho tehr teoh teor ter- tere terf tero terr tete teth teto tetr tett tfot thdr the- thed thee thef theo ther thet thoe thof thoo thor thot thre thro thtr todd tode todo todt toed toee toeh toer toet toff tofo toft toho tood toof tooh toor toot tord tore torf toro torr tort totd tote toth toto totr tott tre- tred tree tref treo tret trfd trfr trod troe troo trot trte trtr tteo tter ttff ttoe tttt