unsaw nusaw usnaw sunaw nsuaw snuaw unasw nuasw uansw aunsw nausw anusw usanw suanw uasnw ausnw saunw asunw nsauw snauw nasuw ansuw sanuw asnuw unswa nuswa usnwa sunwa nsuwa snuwa unwsa nuwsa uwnsa wunsa nwusa wnusa uswna suwna uwsna wusna swuna wsuna nswua snwua nwsua wnsua swnua wsnua unaws nuaws uanws aunws nauws anuws unwas nuwas uwnas wunas nwuas wnuas uawns auwns uwans wuans awuns wauns nawus anwus nwaus wnaus awnus wanus usawn suawn uaswn auswn sauwn asuwn uswan suwan uwsan wusan swuan wsuan uawsn auwsn uwasn wuasn awusn wausn sawun aswun swaun wsaun awsun wasun nsawu snawu naswu answu sanwu asnwu nswau snwau nwsau wnsau swnau wsnau nawsu anwsu nwasu wnasu awnsu wansu sawnu aswnu swanu wsanu awsnu wasnu
Note: these 'words' (valid or invalid) are all the permutations of the word unsaw. These words are obtained by scrambling the letters in unsaw.