quair uqair qauir aquir uaqir auqir quiar uqiar qiuar iquar uiqar iuqar qaiur aqiur qiaur iqaur aiqur iaqur uaiqr auiqr uiaqr iuaqr aiuqr iauqr quari uqari qauri aquri uaqri auqri qurai uqrai qruai rquai urqai ruqai qarui aqrui qraui rqaui arqui raqui uarqi aurqi uraqi ruaqi aruqi rauqi quira uqira qiura iqura uiqra iuqra quria uqria qruia rquia urqia ruqia qirua iqrua qriua rqiua irqua riqua uirqa iurqa uriqa ruiqa iruqa riuqa qairu aqiru qiaru iqaru aiqru iaqru qariu aqriu qraiu rqaiu arqiu raqiu qirau iqrau qriau rqiau irqau riqau airqu iarqu ariqu raiqu iraqu riaqu uairq auirq uiarq iuarq aiurq iaurq uariq auriq uraiq ruaiq aruiq rauiq uiraq iuraq uriaq ruiaq iruaq riuaq airuq iaruq ariuq raiuq irauq riauq
Note: these 'words' (valid or invalid) are all the permutations of the word quair. These words are obtained by scrambling the letters in quair.