plaid lpaid palid aplid lapid alpid pliad lpiad pilad iplad lipad ilpad paild apild piald ipald aipld iapld laipd alipd liapd ilapd ailpd ialpd pladi lpadi paldi apldi lapdi alpdi pldai lpdai pdlai dplai ldpai dlpai padli apdli pdali dpali adpli dapli ladpi aldpi ldapi dlapi adlpi dalpi plida lpida pilda iplda lipda ilpda pldia lpdia pdlia dplia ldpia dlpia pidla ipdla pdila dpila idpla dipla lidpa ildpa ldipa dlipa idlpa dilpa paidl apidl piadl ipadl aipdl iapdl padil apdil pdail dpail adpil dapil pidal ipdal pdial dpial idpal dipal aidpl iadpl adipl daipl idapl diapl laidp alidp liadp iladp aildp ialdp ladip aldip ldaip dlaip adlip dalip lidap ildap ldiap dliap idlap dilap aidlp iadlp adilp dailp idalp dialp
Note: these 'words' (valid or invalid) are all the permutations of the word plaid. These words are obtained by scrambling the letters in plaid.