floom floop floto floum flout fluff flumm flump fluo- fmmul fofum follo fu-fu fullf fullo fulop fulup futom futop l-pop lofou lollo lolol lomut looft loopt lopou lotof lotto lulom lulul lumut lupul lutol lutto lutum m-flo mflop mlomp mmmmm moffo mollo mollu molto momlu momot mooll moolu mooto mopup moto- motol motto mottu motul moult moulu mpofu mt-tf mt-tm mt-tp mt-tt mtfmt mtoto mullo mult- mumlu mummu mumpf muppu mutlu muto- mutum mutuo muuto offof offto ofoto ofpop ollup olomu olotu olumu omoto omout omulu omupo oompf ooooo oploo oplot oppol oppum opto- optot optto opump otolo otomo ototo ottom otulu oullo outof outto plomp ploop ploot plopp plopu plott plout pluff plump pluot plupp plut- pluto po-po pollo pollu polom polop polut pompu pomum poopo popop poppo popup potof potom potoo potop potto pottu pouff poulp poult pull- pullu pulut puppo putt- putto puttu putuo putup t-pop t-top toffo tofol tofop tollo tolmo toloo tolu- tommo tomo- tomol tomom toolt toplo topo- topof topol topot toppo topto topup toto- totoo totop totum totup toull ttttt tu-mo tulfo tulou tulum tummo tumul tumut tuomo tuotu tupou tutto u-pml u-pop ufofu uloop ultop ululu upoff upolo upolu upput uptop ututo uuuuu