-er -ol ddd dde ddl ddo ddr ddt ddu de- ded dee del deo der det deu dl- dld dle dll dlo dlr dlt dlu dod doe dol doo dor dot dou drd dre drl dro drr drt dru dtd dte dtl dto dtr dtt dtu dud due dul duo dur dut ed- edd ede edl edo edr edt edu eed eee eel eeo eer eet eld ele ell elo elr elt elu eo- eod eoe eol eoo eor eot eou erd ere erl ero err ert eru etd ete etl eto etr ett etu eu- eud eue eul eur eut ldd lde ldl ldo ldr ldt ldu led lee lel leo ler let leu lld lle lll llo llr llt llu lod loe lol loo lor lot lou lrd lro lrr lrt lru ltd lte ltl lto ltr ltt ltu lud lue lul luo lur lut luu odd ode odl odo odr odt odu oed oee oel oeo oer oet old ole oll olo olt olu oo- ood ool ooo oor oot or- ord ore orl oro orr ort oru ot- otd ote otl oto otr ott otu ou- oud oue oul ouo our out rdd rde rdl rdo rdr rdt rdu re- red ree rel reo rer ret reu rld rle rll rlo rlr rlt rlu rod roe rol roo ror rot rou rrd rrl rrr rrt rru rtd rte rtl rto rtr rtt rtu rud rue ruo rur rut ruu tdd tde tdl tdo tdr tdt tdu te- ted tee tel teo ter tet teu tld tle tll tlo tlr tlt tlu to- tod toe tol too tor tot tou trd tre trl tro trr trt tru ttd tte ttl tto ttr ttt ttu tud tue tul tuo tur tut tuu udd ude udl udo udr udt udu ued uee uel uer uet uld ule ull ulo ulr ult ulu uod uoe uol uoo uor uot ur- urd ure url uro urr urt uru utd ute utl uto utr utt utu uue uur uut uuu

dddd ddot ddre dedd dede dedo dedu deed deel deer deet deld dele dell delo delt deol deor der- dere dero derr dete deto detr deue deul deur deut dod- dodd dode dodo doel doer dold dole doll dolo dolt dolu dood dool door doot dord dore doro dorr dort doru dotd dote doto dott doud doue doul dour dout dred dree drel dret drod drol drot drou drue drut druu dted dtle dtor dtot dtrl dudd dude dudo dudu duel duer duet dule dull dulo dult dulu duo- dure duro durt duru dute duul duur duut edde eddo ede- edel eder edle edod edou edru edur eede eedu eeee eele eero eete eetu elde eldr eled elee eleo eler elet elle ello ellu elod elro elte elto elue elul eode eole eolo eore eorl eotd eoto erde ered erel erer eret erld erle erll erod eroe erol eroo erre erro ertl ertu erur etee etel eter etoe etre etro ette etto ettu eude euer eule eur- eure euro eurt ldeo le-u lede ledo ledt leed leel leer leet lele lell lelo lelu leod leor leou lerd lere lero lert lete leto lett leud leur llet lleu llll llod lloo llud lode loeu lold lole loll lolo lood looe lool loor loot lord lore loro lotd lote lotl loto lotr lott loud loue loul lour lout louu lrdd lrrr ltee lttr ludd lude ludo lued luer lule lull lulu lurd lure lurt lute o-eo oddd oded odel odeo oder odet odle odoo odor odot odou odrl odtu odur oedo oele oere olde ole- oled oleo oler olet olle ollo olor olot oltu olur ooer oold oolo oooo oord oore oort orde ordo ordu ore- ored orel oreo orer orle orlo orlu oro- oroe oror orot orro orte orto oted otee oter oto- otoe otoo otor otre otro otte otto ottu otur oude oued ouer ould oule oulu our- oure ouro ourt out- oute outo ouu- rder redd rede redl redo redr redu reed reel reet reld rele rell relo relt reod reol reot reou rerd rere rero rert reru retd rete reto retr rett reue reul reut reuu rldt rlee rleu rodd rode rodo roed roel roer roet rold role roll rolo rolt rood rool roor root rore roro rort roru rote rotl roto rotr rott roud roue roul rout rred rrle rrrr rtdt rtee rtle rtlt rudd rude rudl rudo rued ruel ruer ruet rule rull rulo rurd rure ruro ruru rute rutl ruto rutt rutu ruud tdor tedd tede teed teel teer teet tel- teld tele tell telo telt telu teor ter- tere tero terr teru tete teto tetr tett tetu teut tldr todd tode todo todt todu toed toee toer toet tol- told tole toll tolo tolt tolu tood tool toor toot tord tore toro torr tort toru totd tote toto totr tott toul tour tout tre- tred tree treo tret treu trod troe troo trot trou trte trtr trud true trut truu tteo tter ttoe tttt ttul tude tudu tuel tuer tuet tule tull tulo tulu tuor turd ture turo turr turt turu tute tutl tuto tutt tutu tuuo udel uder udet udoo udot uele uell ulde ulee uleo ulle ullo ullr ulo- ulto ultt ulul uor- uore urde urdu ure- ured uret urle uro- urol uroo urre urte urur urut utel uter utor utto uttu uulu uuuu

-tree d-dot d-rod ddddd dedde dedee deder dedlu dedur dedut deede deele deere deled delee deleo deleu delle dello deloo delor delut deool deore deoro derde dered derlo dero- derre derro derue deter detoo detre dette detuo detur deuel deule deure deut- deuto do-do do-ol dodol dodoo dodro doele doerr doled dolee doler dolle dollo dollu dolor doodo doole doore doote doout dordt dored doree doret dorot dorre dorte dorud doted dotel doter dotoo dotto doude douel douer doull doure douro doute drdre dredd drede dreed dreel drell drere dreul drode drole droll drood drool drote drott droue droul drout