bmius mbius bimus ibmus mibus imbus bmuis mbuis bumis ubmis mubis umbis biums ibums buims ubims iubms uibms miubs imubs muibs umibs iumbs uimbs bmisu mbisu bimsu ibmsu mibsu imbsu bmsiu mbsiu bsmiu sbmiu msbiu smbiu bismu ibsmu bsimu sbimu isbmu sibmu misbu imsbu msibu smibu ismbu simbu bmusi mbusi bumsi ubmsi mubsi umbsi bmsui mbsui bsmui sbmui msbui smbui busmi ubsmi bsumi sbumi usbmi submi musbi umsbi msubi smubi usmbi sumbi biusm ibusm buism ubism iubsm uibsm bisum ibsum bsium sbium isbum sibum busim ubsim bsuim sbuim usbim subim iusbm uisbm isubm siubm usibm suibm miusb imusb muisb umisb iumsb uimsb misub imsub msiub smiub ismub simub musib umsib msuib smuib usmib sumib iusmb uismb isumb siumb usimb suimb
Note: these 'words' (valid or invalid) are all the permutations of the word bmius. These words are obtained by scrambling the letters in bmius.