-tree eeeee eeler eevee eever efere efetf effer effet efore eftel efter eleet elele eleo- eleot eleve ellel eller ellet elloe eloee eloff elole eloor elore eloro elote eltro elver elvet eofor eorre erere ereve eroor erore eroto errol error erte ertel erter etete etoll etool etoro etree ettel etter ettle evell eveof evere evero everr evert evete evett eveve evolo evolv evoor evote evvol fe-tv feele feeor feere fefor felet felle felte feltt feoff feole ferel feret ferle ferlo ferr- ferre ferro ferte fetel feter feto- fetor fette fever fevre fleer fleet flere flero flert flete flett flevo floor flore floro flote floto flvto folet folle follo foole foore foote fore- forel foreo foret forro forte forto forvo fotte freel freer freet frere frett frevo froot frore frote ftlee ftrtt leell leeof leere leert leeve leffe lefve lelle lelov leove lerer lerot letot letov letre lette letto levee level lever levet levo- levor levre loeve lofer loffe lofte loler lollo lolol looer looft loore loote loove lorel loreo lorer loret lorre lotof lotor lotte lotto lovee lover lovet lovre lovro lvovo o-fer oelet oelve oerel oerle ofeve offer offof offre offto ofoto oftel ofter oleo- olere olleo oller olovo oltet oltre olver oo-er ooooo oovoo orell oreo- orere orero orfeo orfoe orfor orlet orlov oroer orret orter ortet ortoo orvet otell otelo otere otero otole otolo ototo otrov otter ottov over- overo overt ovett ovolo reefe reeft reere reeve refel refer refet reffe reffo relee relet rello relot relov relte rere- reree reret retee retel reter retro rette retto revel rever revet revle revol ro-ro roell roero rofel roffe rofor roleo rolfe rolfo rolle rollo rooer roofe rooft roole roore roote roove rorer rotel roter rotfl rotle roto- rotol rotor rotot rotte rotto rover rtrev rttov rvlot teele teell tefe tele- teleo teler tell- telle tello telo- telve teolo teotl teret teror terre terro tert- terve tervo tetel teter tetle tetov tetr- tetro tette tevel tevet tevot tlell tlett toefl toeof toerr toeto tofet toffo tofol tofor tofte toler tolet tolle tollo toloo tolor tolve toole toolt toore torel toreo toret torre torro torte torto torve totel toter totle toto- totoe totoo totte tover tovet treer treet trefe treff trele trere trete trett treve troee trofe troff troft troll trott trove trovo ttttt tvtel veele veell veere veeve velet velev velle vello veole veoll verel verlo verol verot verre verte verve vetel vetle vette vetto veveo vever vlott voere volee voler volet volfe volle volof volot volte volto volve volvo voore vorel vorfe vorre vorte votel voter votre votto vreel vrelo