gigging ginging ginning girning giurgiu gri-gri griging griming grimnir gru-gru gugging guimini gum-gum gumming gunging gungnir gunning gurging gurguri gurning igiugig iminium inguin- inuring mignini miirini minging mingrui minigui minigun minimig minimin minimum minirin minmini minning mirmiru mirning mugging mugguru mugurin mumming munging munnuru murinum murmuri murngin murning muu-muu nginiig nigging nimming num-num numming nun-gig nunguni nunning rigging rimming rin-rig ring-in ringing rugging rugmini ruining rumming runging running unguium unguriu