figging figling filfili fill-in filling finniff finning fit-fit fitling fitting fliting flutily fluting flyting fuffing fugging fuguing fulfill fuligin fuligny fulling fungify funnily funning gifting gigging giggyng gilling gilting gingili ginging ginning gitting guffing gugging guiling guiying gulfing gulling gullitt gunging gunning guntin gutling gutting gylling gytling iggying igiugig in-fill infinit inguin- initing inlying li-ning lifting ligging lignify liguli- lilting lilying lingui- lingyin linning litting littlun littuit litungu luffing lugging lulling lungful lunging lungung lunting lyingin lyingly lyttini nginiig ngutuni nifling niftily nigging nilling nittify nittily nitting nullify nulling nullity nun-gig nunguni nunnify nunning nunting nununyi nuttily nutting t-nutty tfillin tiffing tigging tiguili tilling tilting tinging tinnily tinning tinting titling titting tlingit tuffing tuftily tufting tugging tuglung tuining tul-tul tulingi tulling tunning tut-tut tutlyng tutting tututni tuyuti tyingin unfitly unfitty unflung unfully unfunny unguilt uniting unlying untilit untying utility yiffing yinling yngling yunling