espca sepca epsca pesca speca pseca escpa secpa ecspa cespa scepa csepa epcsa pecsa ecpsa cepsa pcesa cpesa spcea pscea scpea cspea pcsea cpsea espac sepac epsac pesac speac pseac esapc seapc easpc aespc saepc asepc epasc peasc eapsc aepsc paesc apesc spaec psaec sapec aspec pasec apsec escap secap ecsap cesap sceap cseap esacp seacp eascp aescp saecp asecp ecasp ceasp eacsp aecsp caesp acesp scaep csaep sacep ascep casep acsep epcas pecas ecpas cepas pceas cpeas epacs peacs eapcs aepcs paecs apecs ecaps ceaps eacps aecps caeps aceps pcaes cpaes paces apces capes acpes spcae pscae scpae cspae pcsae cpsae space psace sapce aspce pasce apsce scape csape sacpe ascpe caspe acspe pcase cpase pacse apcse capse acpse
Note: these 'words' (valid or invalid) are all the permutations of the word espca. These words are obtained by scrambling the letters in espca.