fonda ofnda fnoda nfoda onfda nofda fodna ofdna fdona dfona odfna dofna fndoa nfdoa fdnoa dfnoa ndfoa dnfoa ondfa nodfa odnfa donfa ndofa dnofa fonad ofnad fnoad nfoad onfad nofad foand ofand faond afond oafnd aofnd fnaod nfaod fanod afnod nafod anfod onafd noafd oanfd aonfd naofd anofd fodan ofdan fdoan dfoan odfan dofan foadn ofadn faodn afodn oafdn aofdn fdaon dfaon fadon afdon dafon adfon odafn doafn oadfn aodfn daofn adofn fndao nfdao fdnao dfnao ndfao dnfao fnado nfado fando afndo nafdo anfdo fdano dfano fadno afdno dafno adfno ndafo dnafo nadfo andfo danfo adnfo ondaf nodaf odnaf donaf ndoaf dnoaf onadf noadf oandf aondf naodf anodf odanf doanf oadnf aodnf daonf adonf ndaof dnaof nadof andof danof adnof
Note: these 'words' (valid or invalid) are all the permutations of the word fonda. These words are obtained by scrambling the letters in fonda.