bisom ibsom bsiom sbiom isbom sibom biosm ibosm boism obism iobsm oibsm bsoim sboim bosim obsim sobim osbim isobm siobm iosbm oisbm soibm osibm bismo ibsmo bsimo sbimo isbmo sibmo bimso ibmso bmiso mbiso imbso mibso bsmio sbmio bmsio mbsio smbio msbio ismbo simbo imsbo misbo smibo msibo bioms iboms boims obims iobms oibms bimos ibmos bmios mbios imbos mibos bomis obmis bmois mbois ombis mobis iombs oimbs imobs miobs omibs moibs bsomi sbomi bosmi obsmi sobmi osbmi bsmoi sbmoi bmsoi mbsoi smboi msboi bomsi obmsi bmosi mbosi ombsi mobsi sombi osmbi smobi msobi omsbi mosbi isomb siomb iosmb oismb soimb osimb ismob simob imsob misob smiob msiob iomsb oimsb imosb miosb omisb moisb somib osmib smoib msoib omsib mosib
Note: these 'words' (valid or invalid) are all the permutations of the word bisom. These words are obtained by scrambling the letters in bisom.