marid amrid mraid rmaid armid ramid maird amird miard imard aimrd iamrd mriad rmiad mirad imrad rimad irmad arimd raimd airmd iarmd riamd iramd mardi amrdi mradi rmadi armdi ramdi madri amdri mdari dmari admri damri mrdai rmdai mdrai dmrai rdmai drmai ardmi radmi adrmi darmi rdami drami maidr amidr miadr imadr aimdr iamdr madir amdir mdair dmair admir damir midar imdar mdiar dmiar idmar dimar aidmr iadmr adimr daimr idamr diamr mrida rmida mirda imrda rimda irmda mrdia rmdia mdria dmria rdmia drmia midra imdra mdira dmira idmra dimra ridma irdma rdima drima idrma dirma aridm raidm airdm iardm riadm iradm ardim radim adrim darim rdaim draim aidrm iadrm adirm dairm idarm diarm ridam irdam rdiam driam idram diram
Note: these 'words' (valid or invalid) are all the permutations of the word marid. These words are obtained by scrambling the letters in marid.