-ene -one eeee eefe eefl eefn eele eero efen efeo efon efor elee elef elen eleo eler elex elfe elle ello ellu elne elon elro elue elul enee enel eneo ener enne ennu eno- enoe enol enon enue enuf enur eole eolo eone eore eorl eoux er-x erel eren erer erfx erle erll erne erno eroe erol eron eroo erre erro erur euer eule eur- eure euro exel exen exer exfo exo- exon exor exrx exul feel feen feer fefe feff fefo fele felf fell felo fene fenn feof feon fere fern fero ferr feru feux ffee ffff ffrr ffun flee flen fler flex floe flon floo flor flou flox flue fluf fluo flur flux fnuf foer fofo fole foll folo folr folx fone fono foof fool foon for- fore forl forn foro forr foul foun four foxe foxx free fren freo frex froe frol fron frou frue frun fuel fuff fufu fule full fulu fune funf funx fuor fur- fure furl furn furo furr fuxl le-u leef leel leen leer lefe leff lele lell lelo lelu lene lenn leno leof leon leor leou leox lere lern lero leun leur lexx llef lleu llll lloo lner loen loeu lofe loff lofn lole loll lolo lone lono lonr looe loof lool loon loor lore lorn loro loue loul loun lour louu loux lox- loxo lrne lron lrrr luef luer lufe luff lufu lule lull lulu lune lunn luno lure luxe luxo lxxx neef neel neen neer nefe neff nefl nele nelf nell nelo nene neno nenu neo- neol neon neoo neox nere nerf nerl nero nerr neru neue neuf neun neuo neur neuu nexe nexo nexx nfer nfff nfon nler nnnn noel noer nofx nole nolf noll nolo non- none nonn nono nonu nonx noo- nool noon nooo noor nor- nore norf norn noro norr noul noun nour nren nron nrrl nuee nuel nuer nuff nufx nule null nune nunn nuno nuon nure nurl nurn nurr nuru o-eo oele oen- oeno oere oeuf ofen ofer off- offe offo offr offu ofno ofor ofre ole- olef olen oleo oler olfe olle ollo olne olof olon olor olur olux one- onee onel oneo oner onex onlf onne onno onon onor onue onur ooer ooff oolo oone oooo oore ore- orel oren oreo orer orex orfe orff orfu orle orlo orlu orne orno oro- oroe orof oron oror orro ouen ouer oufe ouff oule oulu oulx oun- oune our- oure ourn ouro ouu- oxen oxer oxo- oxof oxon oxox oxuf oxxo reef reel reen refe reff refl refn refr refu rele rell relo rene renn reno renu reof reol reou rere rero reru reue reuf reul reuu reux rexx rfef rffl rlee rlef rleu roel roen roer rofe roff rofl rofo role rolf roll rolo rone rono roof rool roon roor roox rore roro roru roue rouf roul roun roux roxo rrle rrrr rrun ruel ruen ruer rufe ruff rufo rule rull rulo rune runf runn runo rure ruro ruru ruun uele uell ueno ufel ufer uffe ulee ulen uleo ulex ulfe ulle ullo ullr ulne ulno ulo- ulul unee unef unen uner unle unlf unne unno unon unox unrf unro uofl uofo uone uor- uore ure- urex urfe urff urle urne uro- urol uroo urox urre urun urur uuen uulu uuno uuuu uxor uxue uxul xeer xefe xen- xene xenn xeno xenu xeon xer- xero xexe xfer xlox xnee xolo xorn xoro xoxo xuxu xxxo xxxx