cuppa ucppa cpupa pcupa upcpa pucpa cuppa ucppa cpupa pcupa upcpa pucpa cppua pcpua cppua pcpua ppcua ppcua uppca pupca uppca pupca ppuca ppuca cupap ucpap cpuap pcuap upcap pucap cuapp ucapp caupp acupp uacpp aucpp cpaup pcaup capup acpup pacup apcup upacp puacp uapcp aupcp paucp apucp cupap ucpap cpuap pcuap upcap pucap cuapp ucapp caupp acupp uacpp aucpp cpaup pcaup capup acpup pacup apcup upacp puacp uapcp aupcp paucp apucp cppau pcpau cppau pcpau ppcau ppcau cpapu pcapu cappu acppu pacpu apcpu cpapu pcapu cappu acppu pacpu apcpu ppacu ppacu papcu appcu papcu appcu uppac pupac uppac pupac ppuac ppuac upapc puapc uappc auppc paupc apupc upapc puapc uappc auppc paupc apupc ppauc ppauc papuc appuc papuc appuc
Note: these 'words' (valid or invalid) are all the permutations of the word cuppa. These words are obtained by scrambling the letters in cuppa.