shard hsard sahrd ashrd hasrd ahsrd shrad hsrad srhad rshad hrsad rhsad sarhd asrhd srahd rsahd arshd rashd harsd ahrsd hrasd rhasd arhsd rahsd shadr hsadr sahdr ashdr hasdr ahsdr shdar hsdar sdhar dshar hdsar dhsar sadhr asdhr sdahr dsahr adshr dashr hadsr ahdsr hdasr dhasr adhsr dahsr shrda hsrda srhda rshda hrsda rhsda shdra hsdra sdhra dshra hdsra dhsra srdha rsdha sdrha dsrha rdsha drsha hrdsa rhdsa hdrsa dhrsa rdhsa drhsa sardh asrdh sradh rsadh arsdh rasdh sadrh asdrh sdarh dsarh adsrh dasrh srdah rsdah sdrah dsrah rdsah drsah ardsh radsh adrsh darsh rdash drash hards ahrds hrads rhads arhds rahds hadrs ahdrs hdars dhars adhrs dahrs hrdas rhdas hdras dhras rdhas drhas ardhs radhs adrhs darhs rdahs drahs
Note: these 'words' (valid or invalid) are all the permutations of the word shard. These words are obtained by scrambling the letters in shard.