-ene eeee eefe eefn eent eete eetu efen efet eft- eftu enee ener enne ennu ent- ente entr enue enuf enur enut eren erer eret erft erne erre ertu erur etee eten eter etfe etne etnr etre ette ettn ettu etun euer eur- eure eurt feen feer feet fefe feff fene fenn fent fere fern ferr fert feru fete fetr fett fetu ffee ffff ffrr fftf ffun fnet fnuf free fren fret frue frun ften fter fuet fuff fufu fune funf funt fur- fure furn furr furt fute futu neef neen neer neet nefe neff nene nent nenu nere nerf nerr nert neru net- nete nett neue neuf neun neur neut neuu nfer nfff nnnn nntn nren nter nteu ntnu ntru nttr nuee nuer nuff nune nunn nunt nure nurn nurr nurt nuru nute nutt nutu reef reen reet refe reff refn refr reft refu rene renn rent renu rere rert reru rete retr rett reue reuf reut reuu rfef rnnt rnut rrrr rrun rtee ruen ruer ruet rufe ruff ruft rune runf runn runt rure ruru rute rutt rutu ruun teef teen teer teet teff teft tene tenn tent tenu ter- tere terf tern terr teru tete tetr tett tetu teut tnef tnut tre- tree tref tren tret treu trfr trte trtr true trun trut truu tten tter ttff ttfn tttt tuen tuer tuet tufe tuff tuft tufu tune tunn tunu ture turf turn turr turt turu tute tutt tutu ufer uffe unee unef unen uner unne unrf unte unut ure- uret urfe urff urft urne urre urte urun urur urut uter utne uttu uuen uutf uuuu