didling diffind diffing diffund dig-dig digging dilling din-din dindiri dinging dinning diurnir drillin duffing dufflin dugdugi dulfull dulling dundurn dunging dunning durling durlung durning durnir fidging figging figling filfili fill-in filling finding fingrid finniff finning firring friggin fudging fuffing fugging fuguing fulfill fuligin fulling funding fungiid funning furiiru furling furring gidding gigging gilding gilling gingili ginging ginning girding girling girning giurgiu gliding gnugirl gri-gri griding griffin griging gru-gru gruling grundig gudluru gudul guffing gugging guiding guidlin guiling gulfing gulling gundulf gunging gungnir gunning gurding gurging gurgull gurguri gurning ifingr igiugig illudin in-fill in-grid indling indriid induing indulin inguin- inuring irdning li-ning lidding ligging liguli- lingui- linning luffing lugging luidiid lulling lungful lunging lungung ndiuini nginiig nguludi nidding nidfurn nidging nidingr nifling nigging nilgiri nilling ninguid nudging nulling nun-gig nunguni nunning nur-ili nurling ridding ridgill ridging riffing rifling rigging rigling rigruff riguldi rilling rin-rig rinding ring-in ringild ringing ruffing ruffini rugging rugling ruining runding runging running ulidiid unflung unguriu uni-dur unrigid urgrund