eeeee eeler efere effer eflow efore efuru elele eleo- ellel eller elloe ellul eloee eloff elole eloor elore eloro elulu eluru elwro eofor eorre erere erewe eroor erore errew errol error euell euler eurel euro- eurre ewell ewloe ewlow feele feeor feere fefor felle feoff feole ferel ferle ferlo ferow ferr- ferre ferro feuer feule fewel fewer fewle fleer flere flero fleur fleww floor flore floro floru flour flowe fluff fluo- fluor flure flurr flwor folle follo folwe foole foore fore- forel foreo forow forro forur forwe fouee fouel foule foure fouro fower fowle freel freer frere freur frore fu-fu fuero fulle fullf fullo furel furo- furor leell leeof leere leeuw lefeu leffe lefou leful leleu lelle lerer leuro lewer lewre loewe lofer loffe lofou loler lollo lolol looer loore loowe lorel loreo lorer lorre louer loule loure louro lower lowre lufre lulle lulul lurer lurue lwewo o-fer oerel oerle offer offew offof offre offwe oflow ofour oleo- olere olleo oller ollur olour oo-er ooooo oowee orell oreo- orere orero orfeo orfeu orfoe orfor orful orlow oroer orolu orrow oruro orwoe oullo ouoro oure- ourol ouwer owelu owler owre- reefe reere reewe refel refer reffe reffo relee rello relue reowe rere- reree rerow reuel reuer reule reuwe rewel rewer rewle rewll ro-ro roell roero roewe rofel roffe rofor roleo rolfe rolfo rolle rollo rooer roofe roole roore rooue rorer rouer roufe roule roull roure rouwe rowel rower rowfe rowff rowle rowlf rowof rowwe ruele ruell ruere ruffe ruffo rufo- rufol ruler rullo ruule ruwer uelfe ufere ufofu ullur ulowo ululu uluru uouee urelu ureo- urewe urour urowo uuuuu uwole weele weere weero weffe welew welle weole weore weowe were- werel werew werle werre werur wlewo woele woful wolfe wolff wolle wolof wooer woolf woore woree worle worow worre woufe wowee wowow wrele wrowe wuffo wufoo wulff wurfl wwoof wwwww