ficus ifcus fcius cfius icfus cifus fiucs ifucs fuics ufics iufcs uifcs fcuis cfuis fucis ufcis cufis ucfis icufs ciufs iucfs uicfs cuifs ucifs ficsu ifcsu fcisu cfisu icfsu cifsu fiscu ifscu fsicu sficu isfcu sifcu fcsiu cfsiu fsciu sfciu csfiu scfiu icsfu cisfu iscfu sicfu csifu scifu fiusc ifusc fuisc ufisc iufsc uifsc fisuc ifsuc fsiuc sfiuc isfuc sifuc fusic ufsic fsuic sfuic usfic sufic iusfc uisfc isufc siufc usifc suifc fcusi cfusi fucsi ufcsi cufsi ucfsi fcsui cfsui fscui sfcui csfui scfui fusci ufsci fsuci sfuci usfci sufci cusfi ucsfi csufi scufi uscfi sucfi icusf ciusf iucsf uicsf cuisf ucisf icsuf cisuf iscuf sicuf csiuf sciuf iuscf uiscf isucf siucf usicf suicf cusif ucsif csuif scuif uscif sucif
Note: these 'words' (valid or invalid) are all the permutations of the word ficus. These words are obtained by scrambling the letters in ficus.