isoab sioab iosab oisab soiab osiab isaob siaob iasob aisob saiob asiob ioasb oiasb iaosb aiosb oaisb aoisb soaib osaib saoib asoib oasib aosib isoba sioba iosba oisba soiba osiba isboa siboa ibsoa bisoa sbioa bsioa iobsa oibsa ibosa biosa obisa boisa sobia osbia sboia bsoia obsia bosia isabo siabo iasbo aisbo saibo asibo isbao sibao ibsao bisao sbiao bsiao iabso aibso ibaso biaso abiso baiso sabio asbio sbaio bsaio absio basio ioabs oiabs iaobs aiobs oaibs aoibs iobas oibas iboas bioas obias boias iabos aibos ibaos biaos abios baios oabis aobis obais boais abois baois soabi osabi saobi asobi oasbi aosbi sobai osbai sboai bsoai obsai bosai saboi asboi sbaoi bsaoi absoi basoi oabsi aobsi obasi boasi abosi baosi
Note: these 'words' (valid or invalid) are all the permutations of the word isoab. These words are obtained by scrambling the letters in isoab.