upled puled ulped luped plued lpued upeld pueld uepld eupld peuld epuld ulepd luepd uelpd eulpd leupd elupd pleud lpeud pelud eplud lepud elpud uplde pulde ulpde lupde plude lpude updle pudle udple duple pdule dpule uldpe ludpe udlpe dulpe ldupe dlupe pldue lpdue pdlue dplue ldpue dlpue upedl puedl uepdl eupdl peudl epudl updel pudel udpel dupel pduel dpuel uedpl eudpl udepl duepl edupl deupl pedul epdul pdeul dpeul edpul depul uledp luedp ueldp euldp leudp eludp uldep ludep udlep dulep lduep dluep uedlp eudlp udelp duelp edulp deulp ledup eldup ldeup dleup edlup delup pledu lpedu peldu epldu lepdu elpdu pldeu lpdeu pdleu dpleu ldpeu dlpeu pedlu epdlu pdelu dpelu edplu deplu ledpu eldpu ldepu dlepu edlpu delpu
Note: these 'words' (valid or invalid) are all the permutations of the word upled. These words are obtained by scrambling the letters in upled.