aibna iabna abina baina ibana biana ainba ianba aniba naiba inaba niaba abnia bania anbia nabia bnaia nbaia ibnaa binaa inbaa nibaa bniaa nbiaa aiban iaban abian baian ibaan biaan aiabn iaabn aaibn aaibn iaabn aiabn abain baain aabin aabin baain abain ibaan biaan iaban aiban baian abian ainab ianab aniab naiab inaab niaab aianb iaanb aainb aainb iaanb aianb anaib naaib aanib aanib naaib anaib inaab niaab ianab ainab naiab aniab abnai banai anbai nabai bnaai nbaai abani baani aabni aabni baani abani anabi naabi aanbi aanbi naabi anabi bnaai nbaai banai abnai nabai anbai ibnaa binaa inbaa nibaa bniaa nbiaa ibana biana iabna aibna baina abina inaba niaba ianba ainba naiba aniba bnaia nbaia bania abnia nabia anbia
Note: these 'words' (valid or invalid) are all the permutations of the word aibna. These words are obtained by scrambling the letters in aibna.