-er ddd dde ddo ddq ddr ddt ddu de- ded dee deo deq der det deu dev dod doe doo doq dor dot dou dov dqe dqv drd dre dro drq drr drt dru drv dtd dte dto dtr dtt dtu dtv dud due duo dur dut duv dvd dve dvr dvt dvu ed- edd ede edo edr edt edu eed eee eeo eer eet eev eo- eod eoe eoo eoq eor eot eou eqe eqq eqt equ eqv erd ere ero erq err ert eru erv etd ete eto etr ett etu etv eu- eud eue eur eut euv evd eve evo evr evt evv odd ode odo odr odt odu odv oed oee oeo oer oet oo- ood ooo oor oot oov oqo or- ord ore oro orr ort oru orv ot- otd ote oto otr ott otu otv ou- oud oue ouo our out ov- ovd ove ovo ovv qdr qdt qed qee qeo qet qoo qor qqq qqu qre qrt qru qtd qto qtq qtr qtv qu- qud que quo qur qut qv- qvd qve qvt rdd rde rdo rdr rdt rdu rdv re- red ree reo req rer ret reu rev rod roe roo ror rot rou rov rrd rrq rrr rrt rru rtd rte rto rtq rtr rtt rtu rtv rud rue ruo rur rut ruu ruv rvd rve rvo rvr rvt rvu rvv tdd tde tdo tdr tdt tdu tdv te- ted tee teo teq ter tet teu tev to- tod toe too toq tor tot tou tov tqo trd tre tro trq trr trt tru trv ttd tte tto ttr ttt ttu ttv tud tue tuo tur tut tuu tuv tvd tve tvo tvq tvr tvt tvu udd ude udo udr udt udu udv ued uee uer uet uod uoe uoo uor uot ur- urd ure uro urr urt uru utd ute uto utr utt utu utv uue uur uut uuu uve uvo uvu uvv v-e vdd vde vdo vdr vdt vdu vdv ved vee veo ver vet veu vod voe voo voq vor vot vou vov vrd vre vrr vrt vru vte vto vtr vtt vtu vtv vue vur vut vuv vvo vvr vvt vvv

d-tv dddd ddot ddre ddtv dedd dede dedo dedu deed deer deet deev deor der- dere dero derr derv dete deto detr deue deur deut deve devo dod- dodd dode dodo doer dood door doot dord dore doro dorr dort doru dotd dote doto dott doud doue dour dout dove dqed dred dree dret drev drod drot drou drue drut druu druv dted dtor dtot dudd dude dudo dudu duer duet duo- duqu dure duro durt duru dute duur duut duve dvdr dvor edde eddo ede- eder edod edou edru edtv edur edve eede eedu eeee eero eete eetu eode eore eotd eoto eqed equ- eque equo erde ered erer eret erev erod eroe eroo erre erro ertu erur eruv erve etee eter etoe etre etro ette etto ettu etvo eude euer eur- eure euro eurt ever evet evoe evoo evre o-eo oddd oded odeo oder odet odoo odor odot odou odtu odur oedo oere ooer oooo oord oore oort oque orde ordo ordu ore- ored oreo orer oro- oroe oror orot orro orte orto orve orvr oted otee oter oto- otoe otoo otor otov otre otro otte otto ottu otur oude oued ouer our- oure ouro ourt out- oute outo outq ouu- ovde ovee over ovet ovo- ovod ovoo ovot ovre qdro qere qero qerq qore qotd qqqq qued quee quer quet quod quor quot qurd quro qute quu- rder rdev redd rede redo redq redr redu reed reet reev reod reot reou reqd rerd rere rero rert reru retd rete reto retr rett reue reut reuu revd reve revo rodd rode rodo roed roer roet roev rood roor root rore roro rort roru rote roto rotr rott roud roue rout rove rovo rred rrrr rtdt rtee rtve rudd rude rudo rued ruer ruet rurd rure ruro ruru rute ruto rutt rutu ruud ruve ruvu rved rver tdor tdtv tedd tede teed teer teet teev teor ter- tere tero terr teru tete teto tetr tett tetu teut todd tode todo todt todu toed toee toer toet tood toor toot tord tore toro torq torr tort toru torv totd tote toto totr tott tour tout touv tove tovo tre- tred tree treo tret treu trev trod troe troo trot trou trte trtr trud true trut truu tteo tter ttoe tttt tude tudu tuer tuet tuor turd ture turo turr turt turu tute tuto tutt tutu tuuo tver tvro tvrr tvtv uder udet udev udoo udot uor- uore uovo urde urdu ure- ured uret uro- uroo urre urte uruq urur urut urve uter utor utto uttu utuq uuuu uver uvrd uvvu vder vdot vdre vede vedo veer veet veor ver- verd vere vero vert vete veto vetr veur veve vevo vode vodo voer voet voeu voor voot vor- vord vore voro vort voru votd vote voto voud voue vour vout vred vreo vret vrot vrto vudu vurt vutv vver vvvv

-tree d-dot d-rev d-rod ddddd dedde dedee deder dedur dedut deede deere deeve deore deoro deque derde dered dero- derre derro derue derve deter detoo detre dette detuo detur deure deut- deuto dever devet devoe devor devot devro do-do dodoo dodro doerr doodo doore doote doout dordt dored doree doret dorot dorre dorte dorud doted doter dotoo dotto doude douer doure douro doute douve dover dovev dovre drdre dredd drede dreed drere dreve drode drood drote drott droue drout drove drude dtour duddo duded duder dudou duere duerr duete dueto duett duque dured duree durer duret durov durre durte durtu dutte duved duver duvet dvd-d dvd-r e-dee e-otd edder eddoe eddre edeo- edere edoor edott edred eeeee eerde eevee eever eorre erdor erdre erdut erede erere ereve erode erodr eroor erore eroto erred error errtu erte erter etete etoro etour etree etter etude eturu euro- eurre evdev evere evero everr evert evete evett eveve evoor evote evour