puler upler pluer lpuer ulper luper puelr upelr peulr epulr ueplr euplr pleur lpeur pelur eplur lepur elpur ulepr luepr uelpr eulpr leupr elupr pulre uplre plure lpure ulpre lupre purle uprle prule rpule urple ruple plrue lprue prlue rplue lrpue rlpue ulrpe lurpe urlpe rulpe lrupe rlupe puerl uperl peurl epurl ueprl euprl purel uprel pruel rpuel urpel rupel perul eprul preul rpeul erpul repul uerpl eurpl urepl ruepl erupl reupl pleru lperu pelru eplru lepru elpru plreu lpreu prleu rpleu lrpeu rlpeu perlu eprlu prelu rpelu erplu replu lerpu elrpu lrepu rlepu erlpu relpu ulerp luerp uelrp eulrp leurp elurp ulrep lurep urlep rulep lruep rluep uerlp eurlp urelp ruelp erulp reulp lerup elrup lreup rleup erlup relup
Note: these 'words' (valid or invalid) are all the permutations of the word puler. These words are obtained by scrambling the letters in puler.