clart lcart calrt aclrt lacrt alcrt clrat lcrat crlat rclat lrcat rlcat carlt acrlt cralt rcalt arclt raclt larct alrct lract rlact arlct ralct clatr lcatr caltr acltr lactr alctr cltar lctar ctlar tclar ltcar tlcar catlr actlr ctalr tcalr atclr taclr latcr altcr ltacr tlacr atlcr talcr clrta lcrta crlta rclta lrcta rlcta cltra lctra ctlra tclra ltcra tlcra crtla rctla ctrla tcrla rtcla trcla lrtca rltca ltrca tlrca rtlca trlca cartl acrtl cratl rcatl arctl ractl catrl actrl ctarl tcarl atcrl tacrl crtal rctal ctral tcral rtcal trcal artcl ratcl atrcl tarcl rtacl tracl lartc alrtc lratc rlatc arltc raltc latrc altrc ltarc tlarc atlrc talrc lrtac rltac ltrac tlrac rtlac trlac artlc ratlc atrlc tarlc rtalc tralc
Note: these 'words' (valid or invalid) are all the permutations of the word clart. These words are obtained by scrambling the letters in clart.