-er -ol ddd dde ddl ddo ddr ddt de- ded dee del deo der det dev dl- dld dle dll dlo dlr dlt dlv dod doe dol doo dor dot dov drd dre drl dro drr drt drv dtd dte dtl dto dtr dtt dtv dvd dve dvl dvr dvt ed- edd ede edl edo edr edt eed eee eel eeo eer eet eev eld ele ell elo elr elt elv eo- eod eoe eol eoo eor eot erd ere erl ero err ert erv etd ete etl eto etr ett etv evd eve evl evo evr evt evv ldd lde ldl ldo ldr ldt ldv led lee lel leo ler let lev lld lle lll llo llr llt llv lod loe lol loo lor lot lov lrd lro lrr lrt lrv ltd lte ltl lto ltr ltt ltv lvd lve lvl lvr lvt lvv odd ode odl odo odr odt odv oed oee oel oeo oer oet old ole oll olo olt oo- ood ool ooo oor oot oov or- ord ore orl oro orr ort orv ot- otd ote otl oto otr ott otv ov- ovd ove ovl ovo ovv rdd rde rdl rdo rdr rdt rdv re- red ree rel reo rer ret rev rld rle rll rlo rlr rlt rod roe rol roo ror rot rov rrd rrl rrr rrt rtd rte rtl rto rtr rtt rtv rvd rve rvl rvo rvr rvt rvv tdd tde tdl tdo tdr tdt tdv te- ted tee tel teo ter tet tev tld tle tll tlo tlr tlt tlv to- tod toe tol too tor tot tov trd tre trl tro trr trt trv ttd tte ttl tto ttr ttt ttv tvd tve tvl tvo tvr tvt v-e vdd vde vdl vdo vdr vdt vdv ved vee vel veo ver vet vl- vld vle vll vlo vlt vlv vod voe vol voo vor vot vov vrd vre vrr vrt vte vtl vto vtr vtt vtv vvo vvr vvt vvv

d-tv dddd ddot ddre ddtv dedd dede dedo deed deel deer deet deev deld dele dell delo delt deol deor der- dere dero derr derv dete deto detr deve devo dlvo dod- dodd dode dodo doel doer dold dole doll dolo dolt dood dool door doot dord dore doro dorr dort dotd dote doto dott dove dred dree drel dret drev drod drol drot dted dtle dtor dtot dtrl dvdr dvor dvvl edde eddo ede- edel eder edle edod edtv edve eede eeee eele eelv eero eete elde eldr eled elee eleo eler elet elev elle ello elod elro elte elto elve elvo eode eole eolo eore eorl eotd eoto erde ered erel erer eret erev erld erle erll erod eroe erol eroo erre erro ertl erve etee etel eter etoe etre etro ette etto etvo evel ever evet evoe evol evoo evre lddv ldeo lede ledo ledt leed leel leer leet lele lell lelo leod leor leov lerd lere lero lert lete leto lett lev- leve levo llet llll llod lloo lo-v lode lold lole loll lolo lood looe lool loor loot lord lore loro lotd lote lotl loto lotr lott lotv love lovo lrdd lrrr lrtv ltee lttr lttv lvov lvrr o-eo oddd oded odel odeo oder odet odle odoo odor odot odrl oedo oele oere olde ole- oled oleo oler olet olev olle ollo olor olot olov ooer oold oolo oooo oord oore oort orde ordo ore- ored orel oreo orer orle orlo oro- oroe oror orot orro orte orto orve orvr oted otee oter oto- otoe otoo otor otov otre otro otte otto ovde ovee over ovet ovo- ovod ovol ovoo ovot ovre rder rdev redd rede redl redo redr reed reel reet reev reld rele rell relo relt reod reol reot rerd rere rero rert retd rete reto retr rett revd reve revo rldt rlee rodd rode rodo roed roel roer roet roev rold role roll rolo rolt rood rool roor root rore roro rort rote rotl roto rotr rott rove rovo rred rrle rrrr rtdt rtee rtle rtlt rtve rved rver tdor tdtv tedd tede teed teel teer teet teev tel- teld tele tell telo telt teor ter- tere tero terr tete teto tetr tett tevl tldr todd tode todo todt toed toee toer toet tol- told tole toll tolo tolt tood tool toor toot tord tore toro torr tort torv totd tote toto totr tott tove tovo tre- tred tree treo tret trev trod troe troo trot trte trtr trvl tteo tter ttoe tttt tvel tver tvro tvrr tvtv vder vdot vdre vede vedo veel veer veet vel- veld vele vell velo velt veol veor ver- verd vere verl vero vert vete veto vetr veve vevo vldl vlvt vode vodo voel voer voet vold vole voll volo volt vool voor voot vor- vord vore voro vort votd vote voto vrdl vred vreo vret vrot vrto vtol vtvl vver vvvv

-tree d-dot d-rev d-rod ddddd dedde dedee deder deede deele deere deeve deled delee deleo delle dello deloo delor delve deool deore deoro derde dered derlo dero- derre derro derve deter detoo detre dette devel dever devet devoe devol devor devot devro do-do do-ol dodol dodoo dodro doele doerr doled dolee doler dolev dolle dollo dolor doodo doole doore doote dordt dored doree doret dorot dorre dorte doted dotel doter dotoo dotto dover dovev dovre drdre dredd drede dreed dreel drell drere dreve drode drole droll drood drool drote drott drove dvd-d dvd-r e-dee e-otd edder eddoe eddre edell edeo- edere edler edolo edoor edott edred eeeee eelde eeled eeler eerde eevee eever elded eldee elder eldol eleet elele eleo- eleot eleve ellel eller ellet elloe eloee elole eloor elore eloro elote elrod eltro elver elvet eorre erdor erdre erede erere ereve erode erodr eroor erore eroto erred errol error erte ertel erter etete etoll etool etoro etree ettel etter ettle evdev evell evere evero everr evert evete evett eveve evolo evolv evoor evote evvol ledee leder ledet ledol ledor ledro ledto ledtv leede