aquas qauas auqas uaqas quaas uqaas aqaus qaaus aaqus aaqus qaaus aqaus auaqs uaaqs aauqs aauqs uaaqs auaqs quaas uqaas qauas aquas uaqas auqas aqusa qausa auqsa uaqsa quasa uqasa aqsua qasua asqua saqua qsaua sqaua ausqa uasqa asuqa sauqa usaqa suaqa qusaa uqsaa qsuaa squaa usqaa suqaa aqasu qaasu aaqsu aaqsu qaasu aqasu aqsau qasau asqau saqau qsaau sqaau aasqu aasqu asaqu saaqu asaqu saaqu qasau aqsau qsaau sqaau asqau saqau auasq uaasq aausq aausq uaasq auasq ausaq uasaq asuaq sauaq usaaq suaaq aasuq aasuq asauq saauq asauq saauq uasaq ausaq usaaq suaaq asuaq sauaq quasa uqasa qausa aqusa uaqsa auqsa qusaa uqsaa qsuaa squaa usqaa suqaa qasua aqsua qsaua sqaua asqua saqua uasqa ausqa usaqa suaqa asuqa sauqa
Note: these 'words' (valid or invalid) are all the permutations of the word aquas. These words are obtained by scrambling the letters in aquas.