eeeee eeler efere effer efuru elele ellel eller ellul elulu eluru erere erewe errew euell euler eurel eurre ewell feele feere felle ferel ferle ferr- ferre feuer feule fewel fewer fewle fleer flere fleur fleww fluff flure flurr freel freer frere freur fu-fu fulle fullf furel leell leere leeuw lefeu leffe leful leleu lelle lerer lewer lewre lufre lulle lulul lurer lurue reefe reere reewe refel refer reffe relee relue rere- reree reuel reuer reule reuwe rewel rewer rewle rewll ruele ruell ruere ruffe ruler ruule ruwer uelfe ufere ullur ululu uluru urelu urewe uuuuu weele weere weffe welew welle were- werel werew werle werre werur wrele wulff wurfl wwwww