bunas ubnas bnuas nbuas unbas nubas buans ubans bauns abuns uabns aubns bnaus nbaus banus abnus nabus anbus unabs nuabs uanbs aunbs naubs anubs bunsa ubnsa bnusa nbusa unbsa nubsa busna ubsna bsuna sbuna usbna subna bnsua nbsua bsnua sbnua nsbua snbua unsba nusba usnba sunba nsuba snuba buasn ubasn bausn abusn uabsn aubsn busan ubsan bsuan sbuan usban suban basun absun bsaun sbaun asbun sabun uasbn ausbn usabn suabn asubn saubn bnasu nbasu bansu abnsu nabsu anbsu bnsau nbsau bsnau sbnau nsbau snbau basnu absnu bsanu sbanu asbnu sabnu nasbu ansbu nsabu snabu asnbu sanbu unasb nuasb uansb aunsb nausb anusb unsab nusab usnab sunab nsuab snuab uasnb ausnb usanb suanb asunb saunb nasub ansub nsaub snaub asnub sanub
Note: these 'words' (valid or invalid) are all the permutations of the word bunas. These words are obtained by scrambling the letters in bunas.