-er ddd dde ddm ddo ddr ddt ddu de- ded dee dem deo der det deu dmd dme dmm dmo dmr dmt dmu dod doe dom doo dor dot dou drd dre drm dro drr drt dru dtd dte dtm dto dtr dtt dtu dud due dum duo dur dut ed- edd ede edm edo edr edt edu eed eee eem eeo eer eet em- emd eme emm emo emr emt emu eo- eod eoe eom eoo eor eot eou erd ere erm ero err ert eru etd ete etm eto etr ett etu eu- eud eue eur eut m-o m-r mdd mde mdm mdo mdr mdt mdu med mee mem meo mer met meu mmd mme mmm mmo mmr mmt mmu mod moe mom moo mor mot mou mrd mre mrm mro mrr mrt mru mtd mte mtm mto mtr mtt mtu mud mue mum mur mut muu odd ode odm odo odr odt odu oed oee oem oeo oer oet om- omd ome omm omo omr omt omu oo- ood oom ooo oor oot or- ord ore orm oro orr ort oru ot- otd ote otm oto otr ott otu ou- oud oue oum ouo our out rdd rde rdm rdo rdr rdt rdu re- red ree rem reo rer ret reu rmd rme rmm rmo rmr rmt rod roe rom roo ror rot rou rrd rrm rrr rrt rru rtd rte rtm rto rtr rtt rtu rud rue rum ruo rur rut ruu tdd tde tdm tdo tdr tdt tdu te- ted tee tem teo ter tet teu tmd tme tmm tmo tmr tmt tmu to- tod toe tom too tor tot tou trd tre trm tro trr trt tru ttd tte ttm tto ttr ttt ttu tud tue tum tuo tur tut tuu udd ude udm udo udr udt udu ued uee uem uer uet um- umd ume umm umo umr umt umu uod uoe uom uoo uor uot ur- urd ure urm uro urr urt uru utd ute utm uto utr utt utu uue uum uur uut uuu

dddd ddot ddre dedd dede dedo dedu deed deem deer deet dem- demd deme demo demu deor der- dere derm dero derr dete deto detr deue deum deur deut dmdt dod- dodd dode dodo doer dome domm domo dood doom door doot dord dore dorm doro dorr dort doru dotd dote doto dott doud doue doum dour dout dred dree drem dret drod drom drot drou drue drum drut druu dted dtor dtot dudd dude dudo dudu duer duet dume dumm duo- dure duro durt duru dute duur duut edde eddm eddo ede- edem eder edme edod edom edou edrm edru edur eede eedu eeee eemo eero eete eetu emdt emer emet emeu emme emmu emod emor emre emte eode eore eotd eoto erde ered erem erer eret erme ermo erod eroe eroo erre erro ertu erum erur etee etem eter etoe etre etrm etro ette etto ettu eude eudm euer eur- eure euro eurt mddm mdme mdot mdud medd mede medo medu meed meem meer meet meme memo memr memu meor meou mer- merd mere merm mero mert meru met- mete meto mett metu meum mmmd mmmm mmod mmor modd mode modo modu moed moet mome momo momu mood mooe moor moot mord more moro mort moru motd mote motm moto mott motu moud moue mour mout mrdd mred mree mrmd mrtm mrtt mrud mtoe mtom mtor mtre mtrr mttr mudd mude mudu mued muee muet mume mumm mumo mumu murd mure muro murr murt muru mute muto mutt mutu muut o-eo oddd oded odem odeo oder odet odmr odom odoo odor odot odou odtu odum odur oedo oeme oere oerm omed omee omeo omer omet omo- omoe omoo omor omre omro omuo ooer oome oooo oord oore oort orde ordo ordu ore- ored orem oreo orer orme ormo oro- oroe orom oror orot orro orte orto orum oted otee otem oter oto- otoe otoo otor otre otro otte otto ottu otur oude oued ouer oume our- oure ouro ourt out- oute outo ouu- rder redd rede redo redr redu reed reem reet reme remo reod reot reou rerd rere rero rert reru retd rete reto retr rett reue reut reuu rmtu rodd rode rodo roed roer roet romd rome romm romo rood room roor root rore roro rort roru rote roto rotr rott roud roue roum rout rred rrrr rrum rtdt rtee rudd rude rudo rued ruer ruet rume rumm rumo rumt rurd rure ruro ruru rute ruto rutt rutu ruud t-mo tdor tedd tede tedm teed teem teer teet teme temo temu teom teor ter- tere term tero terr teru tete teto tetr tett tetu teut tmed tmou tmro tmtt todd tode todo todt todu toed toee toer toet tome tomm tomo tomt tood toom toor toot tord tore torm toro torr tort toru totd tote totm toto totr tott toum tour tout tre- tred tree trem treo tret treu trmd trmu trod troe trom troo trot trou trte trtr trud true trut truu tteo tter ttoe tttt tude tudu tuer tuet tume tumu tuor turd ture turm turo turr turt turu tute tuto tutt tutu tuum tuuo udem uder udet udoo udot umde umer umet ummo umoe umor umut uomo uor- uore urde urdu ure- ured uret uro- urom uroo urre urte urum urur urut uter utor utto uttu uuuu

-tree d-dot d-mer d-rod ddddd ddrmm ddrum dedde dedee deder dedur dedut deede deeme deemo deere demer demet demme demo- demor demot demre demur deore deoro derde dered derm- derme dermo dero- derre derro derue derum deter detoo detre dette detuo detur deure deut- deuto do-do dodoo dodro doerr domed domer domet domme doodo doore doote doout dordt dored doree doret dorme dorot dorre dorte dorud dorum doted doter dotoo dotto dotum doude douer doume doumu doure douro doute drdre dredd drede dreed drere drmom drode drom- drome dromo drood droom drote drott droue droum drout drude drumm dtour duddo duded duder dudou