abune baune aubne uabne buane ubane abnue banue anbue nabue bnaue nbaue aunbe uanbe anube naube unabe nuabe bunae ubnae bnuae nbuae unbae nubae abuen bauen auben uaben buaen ubaen abeun baeun aebun eabun beaun ebaun auebn uaebn aeubn eaubn ueabn euabn buean ubean beuan ebuan ueban euban abneu baneu anbeu nabeu bnaeu nbaeu abenu baenu aebnu eabnu beanu ebanu anebu naebu aenbu eanbu neabu enabu bneau nbeau benau ebnau nebau enbau auneb uaneb anueb naueb unaeb nuaeb auenb uaenb aeunb eaunb ueanb euanb aneub naeub aenub eanub neaub enaub uneab nueab uenab eunab neuab enuab bunea ubnea bnuea nbuea unbea nubea buena ubena beuna ebuna uebna eubna bneua nbeua benua ebnua nebua enbua uneba nueba uenba eunba neuba enuba
Note: these 'words' (valid or invalid) are all the permutations of the word abune. These words are obtained by scrambling the letters in abune.