funds ufnds fnuds nfuds unfds nufds fudns ufdns fduns dfuns udfns dufns fndus nfdus fdnus dfnus ndfus dnfus undfs nudfs udnfs dunfs ndufs dnufs funsd ufnsd fnusd nfusd unfsd nufsd fusnd ufsnd fsund sfund usfnd sufnd fnsud nfsud fsnud sfnud nsfud snfud unsfd nusfd usnfd sunfd nsufd snufd fudsn ufdsn fdusn dfusn udfsn dufsn fusdn ufsdn fsudn sfudn usfdn sufdn fdsun dfsun fsdun sfdun dsfun sdfun udsfn dusfn usdfn sudfn dsufn sdufn fndsu nfdsu fdnsu dfnsu ndfsu dnfsu fnsdu nfsdu fsndu sfndu nsfdu snfdu fdsnu dfsnu fsdnu sfdnu dsfnu sdfnu ndsfu dnsfu nsdfu sndfu dsnfu sdnfu undsf nudsf udnsf dunsf ndusf dnusf unsdf nusdf usndf sundf nsudf snudf udsnf dusnf usdnf sudnf dsunf sdunf ndsuf dnsuf nsduf snduf dsnuf sdnuf
Note: these 'words' (valid or invalid) are all the permutations of the word funds. These words are obtained by scrambling the letters in funds.