bbbbbb bibugn biggin biggun bilbul biling billin bilung bining blublu bluing bububu bugbug buggin bugull bulbil bulbul bulung gbugli gibill gibing giblin gilgil gilgul giling gillii gilung gluing gnulib gubbin gubgub guggul guilin gulbin gulgul gunili gunnii gunung ibilib igging igling illing illini ilungu inbill inbull inbung ingili inglun ingubu inning inulin liblin libuin liging liglig ligni- lignin ligul- liling lilliu linggi lingu- lining linlin liulin llubi lubigi lubing lublin lubuli luging lugulu luling lullin lulung luning lunlun nguuni nibung niggun nilnil ninigi ninlil nubbin nulli- ubinig ugging unbung unglib ungui- ungull unigun unlull unning