dddd ddre dedd dede dedu deed deef deek deel deer deev defe deff dek- deke deld dele delf delk dell der- dere derf derk derr derv deue deuk deul deur deve dfer dfrf dred dree dref drek drel drev drue druk druu druv dudd dude dudu duel duer duff dufu duke duku dule dull dulu dure durk duru duul duur duve dvdr dvfr dvlf dvvl edde ede- edel eder edfl edfu edle edru edur edve eede eedu eeee eefe eefl eeke eele eelv efke eked ekek eker ekur elde eldr eled elee elef elek eler elev elfe elke elle ellu elue elul elve erde erdf ered erel erer erev erke erld erle erll erre erur eruv erve eude euer eule eur- eure evel ever evre evvk f--k fdlr fede feed feek feel feer fefe feff feke feld fele felf felk fell ferd fere ferk ferr feru ferv feud feve fevr ffee ffff ffrr fldr fled flee fler flud flue fluf flur fr-v fred free frue fudd fude fuel fuff fufu fuke fukk fuku fule fulk full fulu fur- fure furl furr kddd kddf kddk kddl kddr kdef kdel kdfr kdkd kdkk kdkr kdld kdlf kdll kdlr kdrf kdrl kdrv kdur kduv kdvl kdvr kdvv kedd kede kedr keed keef keek keel keer keff kefr keke kekl keku keld kele kelf kelk kell kelu ker- kere kerf kerk kerl kerr keru kerv keul keur keve kfed kfel kfer kfff kffk kffv kfld kflf kfll kflv kfrd kfre kfrr kfru kful kfve kfvr kkdd kkdl kkdv kked kkfr kkkk kkld kklf kkll kklv kkre kkrf kkrk kkrl kkrr kkrv kkuu kkvr kkvu kkvv kldd klde kldr kled klee klef klek kler klfd klfe klff klfv klkk klkl klkr klkv klle kllk kllv klrd klrf klrk klrr klru klue kluf kluk klur kluu kluv klve klvf klvk klvl klvu klvv krdd krde krdr krdu kred kree kref krek kreu krev krfd krfe krff krkd krke krkk krkr krku krkv krld krle krlf krlv krre krrf krrk krrl krrr krue kruf kruk krul krur krve krvf krvk krvl krvr krvv kudd kude kudl kudu kued kuek kuel kueu kuff kufr kuke kukk kukl kuku kuld kule kulf kull kulu kurd kure kurk kurl kurr kuru kurv kuuk kuul kuur kuuu kuvr kvdf kvdu kvel kver kvfd kvkl kvld kvle kvlr kvlu kvlv kvre kvrf kvrr kvrv kvue kvuu kvvf kvvl kvvr kvvv lddv le-u lede leed leef leek leel leer lefe leff leke lekk lele lell lelu lerd lere lerk leud leuk leur lev- leve lfrd llef lleu llll llud lrdd lrrr ludd lude lued luef luer lufe luff lufu luke lule lull lulu lurd lure lurk lurv luuk luvd luve lvrr rder rdev redd rede redl redr redu reed reef reek reel reev refd refe reff refl refr refu reke reld rele rell rerd rere reru reue reuf reuk reul reuu revd reve rfef rffl rkkf rlee rlef rleu rred rrle rrrr rudd rude rudl rued ruel ruer rufe ruff ruke rukk ruku rule rulk rull rurd rure ruru ruud ruve ruvu rved rver udel uder udev uduk uele uell ufel ufer uffe ufuk ukek ukeu ukur ulde ulee ulek ulfe ulle ullr uluk ulul urde urdu ure- ured urfe urff urke urle urre uruk urur urve uulu uuuu uvel uver uvrd uvvu vder vdre vede veel veer veke vel- veld vele vell velu ver- verd vere verk verl veur veve vldl vrdl vred vref vruk vudu vuel vuku vulf vull vver vvvv