arpod rapod aprod parod rpaod praod aropd raopd aorpd oarpd roapd orapd apord paord aoprd oaprd poard opard rpoad proad ropad orpad porad oprad arpdo rapdo aprdo pardo rpado prado ardpo radpo adrpo darpo rdapo drapo apdro padro adpro dapro pdaro dparo rpdao prdao rdpao drpao pdrao dprao arodp raodp aordp oardp roadp oradp ardop radop adrop darop rdaop draop aodrp oadrp adorp daorp odarp doarp rodap ordap rdoap droap odrap dorap apodr paodr aopdr oapdr poadr opadr apdor pador adpor dapor pdaor dpaor aodpr oadpr adopr daopr odapr doapr podar opdar pdoar dpoar odpar dopar rpoda proda ropda orpda porda oprda rpdoa prdoa rdpoa drpoa pdroa dproa rodpa ordpa rdopa dropa odrpa dorpa podra opdra pdora dpora odpra dopra
Note: these 'words' (valid or invalid) are all the permutations of the word arpod. These words are obtained by scrambling the letters in arpod.