-ene eeee eele eent eete eetu elee elen eler elet elle ellu elne elte elue elul enee enel ener enne ennu ent- ente entr enue enur enut erel eren erer eret erle erll erne erre ertl ertu erur etee etel eten eter etne etnr etre ette ettn ettu etun euer eule eur- eure eurt le-u leel leen leer leet lele lell lelu lene lenn lent lere lern lert lete lett leun leur llet lleu llll lner lrne lrrr ltee ltnt lttr luer lule lull lulu lune lunn lunt lure lurt lute neel neen neer neet nele nell nelt nene nent nenu nere nerl nerr nert neru net- nete nett neue neun neur neut neuu nler nnnn nntn nren nrrl nrtl nter nteu ntnu ntrl ntru nttr nuee nuel nuer nule null nune nunn nunt nure nurl nurn nurr nurt nuru nute nutt nutu reel reen reet rele rell relt rene renn rent renu rere rert reru rete retr rett reue reul reut reuu rlee rleu rnnt rnut rrle rrrr rrun rtee rtle rtlt ruel ruen ruer ruet rule rull rune runn runt rure ruru rute rutl rutt rutu ruun teel teen teer teet tel- tele tell teln telt telu tene tenn tent tenu ter- tere tern terr teru tete tetr tett tetu teut tlen tnut tre- tree tren tret treu trte trtr true trun trut truu tten tter tttt ttul tuel tuen tuer tuet tule tull tulu tune tunn tunu ture turn turr turt turu tute tutl tutt tutu uele uell ulee ulen ulle ullr ulne ultt ulul unee unen uner unle unne unte unut ure- uret urle urne urre urte urun urur urut utel uter utne uttu uuen uulu uuuu