-er -th ddd dde ddh ddo ddr ddt ddu de- ded dee deh deo der det deu dh- dhd dhe dhh dho dhr dht dhu dod doe doh doo dor dot dou drd dre dro drr drt dru dtd dte dth dto dtr dtt dtu dud due duh duo dur dut ed- edd ede edh edo edr edt edu eed eee eeo eer eet ehd ehe ehh eho ehr eht ehu eo- eod eoe eoh eoo eor eot eou erd ere erh ero err ert eru etd ete eth eto etr ett etu eu- eud eue eur eut hdd hde hdh hdo hdr hdt hdu he- hed hee heh heo her het heu hhd hhe hhh hho hhr hht hhu hod hoe hoh hoo hor hot hou hr- hrd hre hrh hro hrr hrt hru htd hte hth hto htr htt hud hue huh huo hur hut huu odd ode odh odo odr odt odu oed oee oeh oeo oer oet ohd ohe ohh oho ohr oht ohu oo- ood ooh ooo oor oot or- ord ore orh oro orr ort oru ot- otd ote oth oto otr ott otu ou- oud oue ouh ouo our out rdd rde rdh rdo rdr rdt rdu re- red ree reh reo rer ret reu rh- rhd rhe rhh rho rhr rht rhu rod roe roh roo ror rot rou rrd rrh rrr rrt rru rtd rte rto rtr rtt rtu rud rue ruh ruo rur rut ruu tdd tde tdh tdo tdr tdt tdu te- ted tee teh teo ter tet teu th- thd the thh tho thr tht thu to- tod toe toh too tor tot tou trd tre trh tro trr trt tru ttd tte tth tto ttr ttt ttu tud tue tuh tuo tur tut tuu udd ude udo udr udt udu ued uee ueh uer uet uhd uhe uhh uho uhr uht uhu uod uoe uoo uor uot ur- urd ure uro urr urt uru utd ute uth uto utr utt utu uue uur uut uuu

-hou dddd ddot ddre dedd dede dedo dedu deed deer deet dehu deor der- dere dero derr dete deth deto detr deue deur deut dhed dhee dher dhod dhor dhur dod- dodd dode dodo doer dohr dood door doot dord dore doro dorr dort doru dotd dote doth doto dott doud doue dour dout dred dree dreh dret drod droh drot drou drue drut druu dted dthd dtor dtot dudd dude dudo dudu duer duet duhe duhr duhu duo- dure duro durt duru dute duur duut edde eddo ede- edeh eder edod edou edru edur eede eedu eeee eero eete eeth eetu ehdd eheh eher eheu ehre ehte ehud eode eore eotd eoto erde ered erer eret erhu erod eroe eroo erre erro erth ertu eruh erur etee eter eth- ethe etho etoe etoh etre etro ette etto ettu eude euer eur- eure euro eurt euth hdod hdtt hedd hede hedo heed heer heet hehe heho heor heou herd here hero herr hert heru hete heth heto hett hetu heue heur hhhh hode hodh hodr hoed hoer hohe hoho hood hooe hoor hoot hord hore horo horr hort hotd hote hoth hoto hotr hott hotu houd houe hour hout hree hrod hrte hrud htet htoh httr hudd hude hudo hudu hued huer huet huhu huor huot hurd hure huro hurr hurt huru hute huth huto hutt hutu o-eo oddd oded odeo oder odet odoh odoo odor odot odou odtu odur oedo oere ohed ohee oher ohho ohoh ohre ohte ohto ohtu ooer ooho oooh oooo oord oore oort orde ordo ordu ore- ored oreh oreo orer orhe oro- oroe oror orot orro orte orth orto oted otee oter othe otho othr oto- otoe otoh otoo otor otre otro otte otto ottu otur oude oudh oued ouer our- oure ouro ourt out- oute outh outo ouu- rder redd rede redh redo redr redu reed reet rehe reht reod reot reou rerd rere rero rert reru retd rete reth reto retr rett reue reut reuu rhee rheo rhet rhod rhoh rhue rodd rode rodo roed roer roet rohe rohr rohu rood roor root rore roro rort roru rote roth roto rotr rott roud roue rouh rout rred rrrr rtdt rtee rudd rude rudo rued ruer ruet ruhe ruhh ruhr rurd rure ruro ruru rute ruth ruto rutt rutu ruud tdor tedd tede teed teer teet teho tehr teoh teor ter- tere tero terr teru tete teth teto tetr tett tetu teut thdr the- thed thee theo ther thet theu thoe thoo thor thot thou thre thro thru thtr thud thue thur todd tode todo todt todu toed toee toeh toer toet toho tohu tood tooh toor toot tord tore toro torr tort toru totd tote toth toto totr tott touh tour tout tre- tred tree treo tret treu trod troe troo trot trou trte trtr trud true trut truu tteo tter ttoe tttt tude tudu tuer tuet tuht tuhu tuor turd ture turo turr turt turu tute tuto tutt tutu tuuo uder udet udoh udoo udot uh-d uhde uher uhoh uhuh uor- uore urde urdu ure- ured ureh uret urho uro- uroo urre urrh urte urth urur urut uter uthe utor utto uttu uuuu

-tree d-dot d-rod ddddd dedde dedee deder dedur dedut deede deere deeth deore deoro derde dered dero- derre derro derth derue deter dethe detho detoo detre dette detuo detur deure deut- deuto dhedh dhoot dhote dhuhr do-do dodoo dodro doerr doeth doodo doore doote dooth doout dordt dored doree doreh doret dorot dorre dorte dorth dorud doted doter dothe dotoo dotto doude douer doure douro doute douth drdre dredd drede dreed drehe drere drode drood drote drott droue drouh drout drude dtour duddo duded duder dudou duere duerr duete dueto duett dured duree durer duret durre durte durtu duruh dutte e-dee e-otd edder eddoe eddre edeo- edere edoor edott edred eeeee eerde ehret eorre erdor erdre erdut erede erere erode erodr eroor erore eroto erred error errtu erte erter erthe