bbbb bbfn bbin bblb bffl bibb bibi bibl biff bifi biin bili bill bilu bin- bini binn binu blin blni blub bluf bnib bnin bubb bubi bubu buff buif buin buiu bulb buli bull bulu bunb buni bunn bunu ffff ffii ffun fiff fifi fiii fiil fili fill filn fini finn flii flin flnb flub fluf fnuf fubb fubu fuff fufu fuil fuli full fulu funf ibfi ifbb ifil ifni iiii ilin ill- illi ilni infi infl inni innu inui inul inun iuiu libu liff lifl liii liin lilb lili lill lilu linn liuf liun llll luff lufu luif luin luli lull lulu luni lunn n-ii nbfl nbuf nfff nfib nibi niff niiu nili nill nilu nini ninl nnnn nubi nubl nuff nuin nuli null nunn ubbi ubii ubli ulli ulul uni- unif unii unin unlf unni uulu uuni uuuu