fluor- fluoro foggun folgou foofoo foofur forfun foufou fougou foulgo fourgo fourof fourou froggo frollo fulgor fulgur fullof fullon funoon funrun furfur furgon furong furour furrfu furuno glogno go-off gogoro golgun gollur golong gongfu gonnof gonogo goofon googol googoo googul gooroo gorgol gorgon gorgor goroon gorron gourou grogol grouff groung grugru grullo gufool guggol guggul gugong gulgul gulnur gunfor gungor gunong gunour gunung gurugu gurung lloro log-on logoff logron logrun lolong loloru lolugu longnu longon lonnol looloo lougou loulon loulou loungo lourlo lufful luglon lugoff lugogo lugulu luguru lulung lungro lunlun luongo lurulu ngongo nofool noforn non-no nonono nonoon noonoo noonor noroff noroof nounou null-o nullor nurulu of-run off-go ogongo ologun oloron olorun on-off onogur onroll oolong oooooo orloff orongo orrour oulong ouolon ouroun roflol rognon rogoff rogolo rollon roloff ronggo ronglu ronnon ronron roogoo rouful rougon rounou rugolo rulong run-on runfor runoff ruurlo ugurlu ulloor unfool unfoul unfull unfurl ungogo ungull unlull unroll unroof unrung urgull urnful