eeeee eeler efere effer efore elele eleo- ellel eller elloe eloee eloff elole eloor elore eloro eofor eorre erere eroor erore errol error exflr exlex exloo exore feele feeor feere fefor felle feoff feole ferel ferle ferlo ferox ferr- ferre ferro fleer flere flero flexe flexo floor flore floro floxe floxx folex folle follo foole foore fore- forel foreo forex forro foxer foxxx freel freer freex frere frore leell leeof leere leffe lelex lelle lerer lexer lexoo lexxe lo-ex lofer loffe loler lollo lolol looer loore lorel loreo lorer lorre loxo- o-fer oerel oerle offer offof offre oleo- olere olleo oller oo-er ooooo orell oreo- orere orero orexo orfeo orfoe orfor oroer oxole reefe reere refel refer reffe reffo relee relex rello reorx rere- reree rexel rexer ro-ro roell roero rofel roffe rofor roleo rolex rolfe rolfo rolle rollo rooer roofe roole roore rorer roxle xero- xerox xexex xorro xoxox