bbbb bbfn bblb bffl blno blob blom blon bloo bnml bnor bnrr bobb bobo boff boll bolm boln bolo bomb bonn bono boob boof bool boom boon boor bor- borf borm born boro borr brfm brno brob brol brom bron broo bror brrm brrr fbom ffff ffrr flmb flnb flob flom flon floo flor fmno fofo foll folo folr fomo fono foof fool foom foon for- forb forl form forn foro forr frmn frob frol from fron lblr lfmr llll lloo lmbo lmfm lmln lmmr lmno lob- lobb lobo loff lofn loll lolo lomb lomm lomo lono lonr loob loof lool loom loon loor lorn loro lron lrrr mfbm mfor mlnr mmff mmmm mmor mmrf mnbb mobb mobo moff mofo moll moln molo molr momo mon- monn mono moob mool moon moor morb morf morl morn moro mrbb mrbm mrln mrml mron nbbo nbfl nfff nfon nlrb nmff nmml nmon nnnn nobm nobo nolf noll nolo nom- nomo non- nonn nono noo- noob nool noon nooo noor nor- norb norf norm norn noro norr nrlb nrml nron nrrl obbo obol obon obor obro off- offo offr ofml ofno ofor olbo ollo olmo olof olom olon olor ombo omn- omo- omon omoo omor omro onlf onno onon onor ooff oolo oooo orbb orbo orff orlo ormn ormo orno oro- orof orom oron oror orro rbbb rbbr rffl rlml rmll rmon rnbr rob- robb robo roff rofl rofo rolf roll rolm rolo romb romm romo rono roob roof rool room roon roor roro rrrr