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