figging figling filfili fill-in filling finniff finning firring fit-fit fitling fitting fliting fluting friggin fuffing fugging fuguing fulfill fuligin fulling funning fur-nut furiiru furling furring gifting gigging gilling gilting gingili ginging ginning giriftu girling girning girting gitting giuntur giurgiu glitnir gnugirl gri-gri griffin griging gritulu gru-gru gruling gruntil gruting guffing gugging guiling gulfing gulling gullitt gunging gungnir gunning guntin gurging gurgull gurguri gurlitt gurning gutling gutting ifingr igiugig in-fill in-turn infinit inguin- initing inuring li-ning lifting ligging liguli- lilting lingui- linning litting littlun littuit litungu luffing lugging lulling lungful lunging lungung lunting nginiig ngutuni nifling nigging nilgiri nilling nitting nulling nun-gig nunguni nunning nunting nur-ili nurling nutting riffing rifling rifting rigging rigling rigruff riitiir rilling rin-rig ring-in ringgit ringing ritling ruffing ruffini rugging rugling ruining runging running runting rutting tfillin tg-girl tiffing tigging tiguili tilling tilting tinging tinning tinting tirfing tirling tirrill titling titring titting tlingit triflin trillil trillin trining tuffing tufting tugging tuggurt tuglung tuining tul-tul tulingi tulling tunning tunturi turfing turn-in turning turriff turrini tut-tut tutting tututni unflung unguilt unguriu uniting untilit