eeeee eeklo eeler efere effer efore efuru ekeko ekker eklof ekool ekuku ekuru elele eleo- ellek ellel eller elloe ellul eloee eloff eloko elole eloor elore eloro elulu eluru eofor eorre erere erkel erkko eroor erore errol error eruke euell euler eurel euro- eurre feele feeor feere fefor felle feoff feole ferel ferle ferlo ferr- ferre ferro feuer feule fleek fleer fleke flere flerk flero fleuk fleur floke floko flook floor flore floro floru flour fluff fluke fluo- fluor flure flurr fokel fokke folke folle follo foole foore fore- forel foreo forro forur fouee fouel fouke foule foure fouro freek freel freer freke frere freur frore fruko fu-fu fuero fulke fulle fullf fullo furel furo- furor keefe keele keere kefee kelek kelle keluo kerek kerel kerle kerre klefe klerk kloek kloof kluke ko-ko koeru kofel kokel koker kokko kokle kokor kokou kokre kokur kolek kolel koler kolff kolle kollo kollu kolol kolur koolu kooru korek korel korff korke korku korol koror korro korue koruk kouel kouer koufu koule koulo koure kre-o kreef kreek kreel kreke krele krell kreo- kreol kreuk kroke krole kroll krull kukel kukko kukle kukok kukur kullo kullu kulor kulul kulur kurek kurku kurlu kurre kuruk leeke leell leeof leere lefeu leffe lefko lefou leful lekel lekeu lekor leleu lelle lerer leuk- leuke leuko leuro lofer loffe lofou loker lokke lokur loler lollo lolol looer looke lookf loore lorel loreo lorer lorke lorre loruk louer louke loule loure louro lufre luker lukko lukok lukou lukre lulle lulul luoke lurer lurue o-fer oerel oerle offek offer offof offre ofour okeke okelo okere okfol okker okkur oklee okole okoro okuku okuru oleku oleo- olere olleo oller ollur olour oo-er ooooo orell oreo- orere orero orfeo orfeu orfoe orfor orful orkel orlek orlok oroer oroke orolu oruku oruro oullo ouoro oure- ourol reefe reere refel refer reffe reffo rekel rekke rekle relee relek relko rello relue rere- reree reuel reuer reule ro-ro roell roero rofel roffe rofor rokee roker rokke rokkk rokle roleo rolfe rolfo rolle rollo rolok rooer roofe rooke roole roore rooue rorer rorke rouer roufe rouke rouko roule roulk roull roure ruele ruell ruere ruffe ruffo rufo- rufol rukel rukke ruler rullo ruule uelfe ufere ufofu ukeke ulker ullur ululu uluru uouee urelu ureo- urkel urker urour uuork uuuuu