spaul psaul sapul aspul pasul apsul spual psual supal uspal pusal upsal saupl asupl suapl usapl auspl uaspl pausl apusl puasl upasl aupsl uapsl spalu psalu saplu asplu paslu apslu splau pslau slpau lspau plsau lpsau salpu aslpu slapu lsapu alspu laspu palsu aplsu plasu lpasu alpsu lapsu spula psula supla uspla pusla upsla splua pslua slpua lspua plsua lpsua sulpa uslpa slupa lsupa ulspa luspa pulsa uplsa plusa lpusa ulpsa lupsa saulp asulp sualp usalp auslp uaslp salup aslup slaup lsaup alsup lasup sulap uslap sluap lsuap ulsap lusap aulsp ualsp alusp lausp ulasp luasp pauls apuls puals upals aupls uapls palus aplus plaus lpaus alpus lapus pulas uplas pluas lpuas ulpas lupas aulps ualps alups laups ulaps luaps
Note: these 'words' (valid or invalid) are all the permutations of the word spaul. These words are obtained by scrambling the letters in spaul.