flogo floko flook floop floor floro floru flour fluff fluo- fluor flurr foggo fogou fogup follo forgo forro forur fougo fourg fouro froop froup frugo fruko fu-fu fugro fugug fullf fullo fulop fulup furo- furor g-log ggulu gloff glogg gloop gloor gloup glour glpro gluff go-go go-lo go-oo go-op gofor gofup gogok gogol gogro gogul gokul golfg golfo gollu golog golok golol golop golug gooff goplo gopro gorgl gorgo gorlo goulf goulp gourl gprof grgur groff grogg grokk groll groof grook groop gropp grouf groul group grrrl grrrr gruff gugul gukgo gulko gulo- gulou gupol gurko guroo gurro gurur k-p-r k-pop klogr kloof klopp ko-ko koglo kogro kokko kokor kokou kokur kolff kolgu kollo kollu kolol kolur koogu koolu kooru kopff koppl kopru korff korgu korku korol korop koror korpo korro koruk korup koufu koulo kpolo kroll kropp krull krupp kugur kukko kukok kukup kukur kullo kullu kulor kulul kulur kuplu kupur kurgo kurku kurlu kuruk kurup l-pop lofou logko logo- logol lokur lollo lolol lookf lopou loruk lorup louro lugol lukko lukok lukou lulul luogu lupul lurgg lurup offof ofour ofpop ogogo ogugu okfol okkur okoro okrog okrug okuku okuru ollup ollur olour ooooo oploo opoku oppol orfor orful orgul orlok orlop orolu orrgo oruku oruro oukup oullo ouoro ourol pflug pforp plogg plook ploop plopp plopu plork plouk pluff plugg plupp plurk po-po pokou polko polku pollo pollu polog polop polur poopo poork poplr popop poppo popup porgo poro- porog porro porur pouff poulp proff progg proll prolo proof proor prop- propl propp propr pull- pullu puppo purku puro- purok purul ro-ro rofor rogfp rokkk rolfo rollo rolok rouko roulk roull rprop ruffo rufo- rufol rullo u-pop ufofu ugluk ugoff ugro- ugrug ukpor ukrop ukuug ullur uloop ulpur ululu uluru upfor upoff upolo upolu urour uuork uuuuu