dddd ddre dedd dede dedu deed deef deeg deel deer defe deff defg dege degu deld dele delf dell der- dere derf derg derr deue deul deur dfer dfrf dgeg dgge dleg dlrg dred dree dref dreg drel drge drue drug druu dudd dude dudu duel duer duff dufu dugu dule dull dulu dure durg duru duul duur edde ede- edel eder edfl edfu edge edle edru edur eede eedu eeee eefe eefl eele eerg ef-g egee egel eger egfr egge egle eglu egre elde eldr eled elee elef eler elfe elgg elle ellu elue elul erde erdf ered erel erer erg- ergg erld erle erll erre erur eude euer euge eule eur- eure fdlr fede feed feel feer fefe feff fege fegg feld fele felf fell ferd fere ferr feru feud ffee ffff ffrr fldr fled flee fleg fler flud flue fluf flur fred free frue frug fudd fude fuel fuff fufu fuge fugu fule full fulu fur- fure furg furl furr gdfr gedd gede gedu geed geel geer gefe gege gegg gegl geld gele gelf gelg gell gelu gerd gere gerl geru geue geul gfdl gfer ggfg gggg glde gled glee gleg gleu glge glue glug glur gree gref greg greu grrl grrr grue gruf grug grur gude gudu guel guer guff guge gugg gugu guld gule gulf gull gulu gurd gure gurg gurl gurr guru le-u lede leed leef leel leer lefe leff lege legg lele lell lelu lerd lere leud leur lfrd lger lgfl llef lleu llll llud lrdd lrdg lrrr ludd lude lued luef lueg luer lufe luff lufu luge lugg lugu lule lull lulu lurd lure lurg rder redd rede redl redr redu reed reef reel refd refe reff refg refl refr refu regd rege regl regr regu reld rele rell rerd rere rerg reru reue reuf reul reuu rfef rffl rlee rlef rleu rlug rred rrle rrrr rudd rude rudl rued ruel ruer rufe ruff ruge rugg rule rull rurd rure ruru ruud udel uder udge uele uell ufel ufer uffe ugur uguu ulde ulee ulfe ulle ullr ulul urde urdu ure- ured urfe urff urge urgu urle urre urur uulu uuuu