figging figling filfili fill-in filling finniff finning fit-fit fitling fitting fliting fluting fuffing fugging fuguing fulfill fuligin fulling funning gifting gigging gilling gilting gingili ginging ginning gitting guffing gugging guiling gulfing gulling gullitt gunging gunning guntin gutling gutting igiugig in-fill infinit inguin- initing li-ning lifting ligging liguli- lilting lingui- linning litting littlun littuit litungu luffing lugging lulling lungful lunging lungung lunting nginiig ngutuni nifling nigging nilling nitting nulling nun-gig nunguni nunning nunting nutting tfillin tiffing tigging tiguili tilling tilting tinging tinning tinting titling titting tlingit tuffing tufting tugging tuglung tuining tul-tul tulingi tulling tunning tut-tut tutting tututni unflung unguilt uniting untilit