labis albis lbais blais ablis balis laibs alibs liabs ilabs ailbs ialbs lbias blias libas ilbas bilas iblas abils bails aibls iabls bials ibals labsi albsi lbasi blasi ablsi balsi lasbi alsbi lsabi slabi aslbi salbi lbsai blsai lsbai slbai bslai sblai absli basli asbli sabli bsali sbali laisb alisb liasb ilasb ailsb ialsb lasib alsib lsaib slaib aslib salib lisab ilsab lsiab sliab islab silab aislb iaslb asilb sailb isalb sialb lbisa blisa libsa ilbsa bilsa iblsa lbsia blsia lsbia slbia bslia sblia lisba ilsba lsiba sliba islba silba bisla ibsla bsila sbila isbla sibla abisl baisl aibsl iabsl biasl ibasl absil basil asbil sabil bsail sbail aisbl iasbl asibl saibl isabl siabl bisal ibsal bsial sbial isbal sibal
Note: these 'words' (valid or invalid) are all the permutations of the word labis. These words are obtained by scrambling the letters in labis.