bbbee bebel beblo beebe beele beene beffe befoe befol belbo belee belef belen bellb belle bello belno belon belue bene- benfe benne benno bennu benon benue benun beofe beoff beone beule beuno bleen bleue bloef bloue bluff bo-bo boble boeol boeuf boeun boffo bolbe bolel bolen boleo boll- bolle bollo bollu bolne bolno bolon bonne bonon bonou boole boone bouee bouel boul- boule boulo boune bubbe buben buble bubon buell bueno buffe buffo bufle bulb- bulen bull- bulle bulou bulul bulun bunne bunun buono e-one ebble ebell ebelo ebene eblul ebone eboon eboue ebull eeeee elben elele elene eleo- elfen ellel ellen elloe ellon ellul eloee eloff elole elubo elulu enbun enfeu enflo enlen enloe enlon enone enuff eofen euell eulen eunoe febel feble feele feeln felle felon feneu fenne fenno fenoe feoff feole feule fleen flene flenu flone fluff fluo- fluon folle follo folon fonel fonne foole foone fouee fouel foule fu-fu fulbe fulen fulle fullf fullo funel funen lebel leben lebno lebon leell leeof lefeu leffe lefou leful leleu lelle lenne lenno lenon leone leono leoun lobbe lobbo loble lobo- lobon loffe lofou lollo lolol loneo loobu loone loule loune lubbe luble lubne lubno lubon lubun luebo lueen luen lulle lulul lunel lunne nebel neble neblo neblu neele neelo neelu nefen neffe nelle nello nellu nenno neofe neuen neueu neune neuou nnebe nnooo no-no nobbe nobel noble nobob noboe nobol nobuo noell nofee nofou nofun nolen nolle non-u nonel nonne nonno noone noonu nouel noule noune nu-nu nubel nuble nuell nueno nulle nullo nunon nunun o-bon obele oblon obole obolo oboue oefun oelen oeno- oenoe offen offof offon offun ofone ofono olene oleo- olfen ollen olleo ollon onebe onelb onene oneno oneof oneon onne- onnen onoff onone onoon ooooo oouen ouene oullo oulon oulun ubble ubeen ubobo uelen uelfe ufofu ufone ulene ulno- ululu unfoe unfun unnun uouee uuuuu