derma edrma drema rdema erdma redma demra edmra dmera mdera emdra medra drmea rdmea dmrea mdrea rmdea mrdea ermda remda emrda merda rmeda mreda deram edram dream rdeam erdam redam dearm edarm daerm aderm eadrm aedrm draem rdaem darem adrem radem ardem eradm readm eardm aerdm raedm aredm demar edmar dmear mdear emdar medar deamr edamr daemr ademr eadmr aedmr dmaer mdaer damer admer mader amder emadr meadr eamdr aemdr maedr amedr drmae rdmae dmrae mdrae rmdae mrdae drame rdame darme adrme radme ardme dmare mdare damre admre madre amdre rmade mrade ramde armde marde amrde ermad remad emrad merad rmead mread eramd reamd earmd aermd raemd aremd emard meard eamrd aemrd maerd amerd rmaed mraed ramed armed mared amred
Note: these 'words' (valid or invalid) are all the permutations of the word derma. These words are obtained by scrambling the letters in derma.