mairs amirs miars imars aimrs iamrs maris amris mrais rmais armis ramis miras imras mrias rmias irmas rimas airms iarms arims raims irams riams maisr amisr miasr imasr aimsr iamsr masir amsir msair smair asmir samir misar imsar msiar smiar ismar simar aismr iasmr asimr saimr isamr siamr marsi amrsi mrasi rmasi armsi ramsi masri amsri msari smari asmri samri mrsai rmsai msrai smrai rsmai srmai arsmi rasmi asrmi sarmi rsami srami mirsa imrsa mrisa rmisa irmsa rimsa misra imsra msira smira ismra simra mrsia rmsia msria smria rsmia srmia irsma risma isrma sirma rsima srima airsm iarsm arism raism irasm riasm aisrm iasrm asirm sairm isarm siarm arsim rasim asrim sarim rsaim sraim irsam risam isram siram rsiam sriam
Note: these 'words' (valid or invalid) are all the permutations of the word mairs. These words are obtained by scrambling the letters in mairs.