bbbee be-er be-ro beber beebe beene beffe befoe befor bene- benfe benne benno benon beofe beoff beone beorn berbe beren berne berno berob beroe beror berre bo-bo bobr bobre boero boffo boner bonne bonon booer boone boore boorn borbo boree boren borer born- borne borno boro- boron boroo borre borro breef breen breer brene brenn breno breo- brere brobo broer bronn broon brrrr e-one ebber ebene ebern ebner ebone eboon ebron eeeee eener efere effer efore efren efron enero enfer ennor enone enore enorn enron eofen eofor eorne eorre erbbe erben erber ereen erere ernen erone eroor erore erron error febre feeor feere fefor fener fenne fenno fenoe fenor feoff feren ferno feron ferr- ferre ferro foner fonne foone foore fore- foren foreo forne forno forro freer freon frere frobe frore frorn neber nebro neere nefen nefer neffe nefre nenno neofe neore nerbo neree nereo neron nerre nnebe nnooo no-no nobbe nobob noboe nobre noerr nofee nofor nonne nonno noone noren norne noron norro nroff o-bon o-fer o-r-b oboro obreb obren obrne oeno- oenoe offen offer offof offon offre ofone ofono oforn onebe onene oneno oneof oneon oneor onere onero onne- onnen onoff onone onoon onore onorn oo-er ooooo oreo- orere orero orfeo orfoe orfor ornee ornon orobe orobo oroer orono rebbe reber rebon reefe reene reere refen refer reffe reffo refne renee rener renfe renne renno reno- reone rere- reree rerob ro-ro robbe robbo roben rober robo- robon robor roero roffe rofor ronee ronen roneo ronne ronno rooer roofe roone roore rorer