lambs almbs lmabs mlabs amlbs malbs labms albms lbams blams ablms balms lmbas mlbas lbmas blmas mblas bmlas ambls mabls abmls bamls mbals bmals lamsb almsb lmasb mlasb amlsb malsb lasmb alsmb lsamb slamb aslmb salmb lmsab mlsab lsmab slmab mslab smlab amslb maslb asmlb samlb msalb smalb labsm albsm lbasm blasm ablsm balsm lasbm alsbm lsabm slabm aslbm salbm lbsam blsam lsbam slbam bslam sblam abslm baslm asblm sablm bsalm sbalm lmbsa mlbsa lbmsa blmsa mblsa bmlsa lmsba mlsba lsmba slmba mslba smlba lbsma blsma lsbma slbma bslma sblma mbsla bmsla msbla smbla bsmla sbmla ambsl mabsl abmsl bamsl mbasl bmasl amsbl masbl asmbl sambl msabl smabl absml basml asbml sabml bsaml sbaml mbsal bmsal msbal smbal bsmal sbmal
Note: these 'words' (valid or invalid) are all the permutations of the word lambs. These words are obtained by scrambling the letters in lambs.