cauls aculs cuals ucals aucls uacls calus aclus claus lcaus alcus lacus culas uclas cluas lcuas ulcas lucas aulcs ualcs alucs laucs ulacs luacs causl acusl cuasl ucasl aucsl uacsl casul acsul csaul scaul ascul sacul cusal ucsal csual scual uscal sucal auscl uascl asucl saucl usacl suacl calsu aclsu clasu lcasu alcsu lacsu caslu acslu csalu scalu asclu saclu clsau lcsau cslau sclau lscau slcau alscu lascu aslcu salcu lsacu slacu culsa uclsa clusa lcusa ulcsa lucsa cusla ucsla csula scula uscla sucla clsua lcsua cslua sclua lscua slcua ulsca lusca uslca sulca lsuca sluca aulsc ualsc alusc lausc ulasc luasc auslc uaslc asulc saulc usalc sualc alsuc lasuc asluc saluc lsauc slauc ulsac lusac uslac sulac lsuac sluac
Note: these 'words' (valid or invalid) are all the permutations of the word cauls. These words are obtained by scrambling the letters in cauls.