figging figling filfili fill-in filling finniff finning fuffing fugging fuguing fulfill fuligin fulling fungify funnily funning gigging giggyng gilling gingili ginging ginning guffing gugging guiling guiying gulfing gulling gunging gunning gylling iggying igiugig in-fill inguin- inlying li-ning ligging lignify liguli- lilying lingui- lingyin linning luffing lugging lulling lungful lunging lungung lyingin lyingly nginiig nifling nigging nilling nullify nulling nun-gig nunguni nunnify nunning nununyi unflung unfully unfunny unlying yiffing yinling yngling yunling