-ene eeee eent eete eetu enee ener enne ennu ent- ente entr enue enur enut eren erer eret erne erre ertu erur etee eten eter etne etnr etre ette ettn ettu etun euer eur- eure eurt neen neer neet nene nent nenu nere nerr nert neru net- nete nett neue neun neur neut neuu nnnn nntn nren nter nteu ntnu ntru nttr nuee nuer nune nunn nunt nure nurn nurr nurt nuru nute nutt nutu reen reet rene renn rent renu rere rert reru rete retr rett reue reut reuu rnnt rnut rrrr rrun rtee ruen ruer ruet rune runn runt rure ruru rute rutt rutu ruun teen teer teet tene tenn tent tenu ter- tere tern terr teru tete tetr tett tetu teut tnut tre- tree tren tret treu trte trtr true trun trut truu tten tter tttt tuen tuer tuet tune tunn tunu ture turn turr turt turu tute tutt tutu unee unen uner unne unte unut ure- uret urne urre urte urun urur urut uter utne uttu uuen uuuu