bbbb bbfn bblb bboy bbyo bffl blno blob blon bloo blou bloy blub bluf bly- blyn bobb bobo bobu boby boff bofu boll boln bolo bolu boly bonn bono bonu bony boob boof bool boon bouf boul boun bouy boyf boyl boyn boyo bubb bubo bubu buff bufo bulb bull bulu bunb bunn buno bunu buol buon buoy buyl buyo buyu byno byob byol byon byul byun ffff ffun flnb flob flon floo flou floy flub fluf fluo fluy fnuf fofo foll folo foly fono fony foof fool foon foul foun foyl foyn fubb fubu fuff fufu full fulu funf fuyl fuyu fynn llll lloo llyn lob- lobb lobo loby loff lofn loll lolo loly lono loob loof lool loon loul loun louu loyn luby luff lufu lull lulu lunn luno luny lyff lyfy lyly lynn lyo- lyon lyun lyyf lyyn nbbo nbfl nboy nbuf nfff nfon nfyb nnnn nobo nobu nolf noll nolo non- nonn nono nonu noo- noob nool noon nooo noul noun noyl noyo nubl nuby nuff null nunn nuno nuny nuon nyll nyny nyon nyul obbo obby oblu obol obon oboy off- offo offu offy ofno olbo olby ollo olly olof olon olyf onby onlf only onno onon onoy ooby ooff oofy oolo oooo ouff oulu oun- ouu- oyly oyon oyou oyun ubbo ublo ubly ubon ullo ully ulno ulo- ulul unlf unno unon uofl uofo uulu uuno uuuu uuyn ybnl ynol ynon ynou yobo yoff yoll yolo yoly yono yoof yool yoon youb youf youl yoyn yoyo yubu yuff yufu yulo yulu yuny yuon yuyu yyff yyyy