aebni eabni abeni baeni ebani beani aenbi eanbi anebi naebi enabi neabi abnei banei anbei nabei bnaei nbaei ebnai benai enbai nebai bneai nbeai aebin eabin abein baein ebain beain aeibn eaibn aiebn iaebn eiabn ieabn abien baien aiben iaben biaen ibaen ebian beian eiban ieban biean ibean aenib eanib aneib naeib enaib neaib aeinb eainb aienb iaenb eianb ieanb anieb naieb aineb ianeb niaeb inaeb eniab neiab einab ienab nieab ineab abnie banie anbie nabie bnaie nbaie abine baine aibne iabne biane ibane anibe naibe ainbe ianbe niabe inabe bniae nbiae binae ibnae nibae inbae ebnia benia enbia nebia bneia nbeia ebina beina eibna iebna biena ibena eniba neiba einba ienba nieba ineba bniea nbiea binea ibnea nibea inbea
Note: these 'words' (valid or invalid) are all the permutations of the word aebni. These words are obtained by scrambling the letters in aebni.