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