biled ibled blied lbied ilbed libed bield ibeld beild ebild iebld eibld bleid lbeid belid eblid lebid elbid ilebd liebd ielbd eilbd leibd elibd bilde iblde blide lbide ilbde libde bidle ibdle bdile dbile idble dible bldie lbdie bdlie dblie ldbie dlbie ildbe lidbe idlbe dilbe ldibe dlibe biedl ibedl beidl ebidl iebdl eibdl bidel ibdel bdiel dbiel idbel dibel bedil ebdil bdeil dbeil edbil debil iedbl eidbl idebl diebl edibl deibl bledi lbedi beldi ebldi lebdi elbdi bldei lbdei bdlei dblei ldbei dlbei bedli ebdli bdeli dbeli edbli debli ledbi eldbi ldebi dlebi edlbi delbi iledb liedb ieldb eildb leidb elidb ildeb lideb idleb dileb ldieb dlieb iedlb eidlb idelb dielb edilb deilb ledib eldib ldeib dleib edlib delib
Note: these 'words' (valid or invalid) are all the permutations of the word biled. These words are obtained by scrambling the letters in biled.